Althoff Home Services Blog: Posts Tagged ‘Residential Cooling’

Althoff HVAC Trucks: Fully Stocked to Finish Residential Service Jobs

Wednesday, January 3rd, 2018

Those who live and work in the Crystal Lake, Northwest Chicago area, and its suburbs have likely seen our Althoff Industries service trucks on the area roadways. You may not, however, have given much thought to what all is contained in these vehicles.

It helps to understand that for our technicians, these trucks tend to serve as their offices on wheels. As such, they need to contain the parts and tools that we use most often. This better allows us to complete a repair on the first call properly. It also saves us, and you, time and money.

Of course, with so many brands, types, sizes, and configurations of heating and air conditioning equipment, this leads to quite a collection of parts and tools. Is it always pretty and well-organized in the back of our service trucks? Not very often. But through the years, however, we have become quite adept at making sure our trucks are equipped to handle the most common HVAC and plumbing related problems on an initial call. Let’s take a closer look at what you may typically find in an Althoff HVAC residential repair truck.

Hand and Power Tools

Of course, one of the most critical factors in residential HVAC repair is having the right tool for the right job. This means a variety of both common and specialized hand and power tools that range from hammers and pliers to sheet metal cutting tools and soldering equipment.

Gauges, Diagnostic and Measuring Equipment

At Althoff Industries, our primary concern is that of the safety of your family. This makes it necessary that we have a variety of gauges and measuring equipment to help us properly diagnose any potentially dangerous conditions. These devices include equipment like a combustion analyzer, draft gauge, manometer, and more. Humidity and temperature gauges also help us in determining HVAC related issues.

Various Nuts, Bolts, and Small Parts

The back of one of our residential HVAC repair trucks will have a variety of nuts, bolts, screws, and small parts to help technicians complete their tasks. This will also include a variety of sealers, electrical tapes, duct tape, and PVC and sheet metal parts.

Parts that Commonly Fail

Some HVAC parts are more prone to failure than others. These include relays, transformers, circuit boards, capacitors, thermostats, thermocouples, blower motors, igniters, and more. Our trucks contain a variety of these parts including replacement hoses and valves, wiring, switches, connectors, breakers, and others.

The Most Important Part 

Our trucks contain refrigerant, refrigerant reclaim jugs, flush kits, glycol and glycol pumps, and so much more. But it is what you don’t see in the back of our HVAC contractor truck that is perhaps most important. That is the knowledge, training, and experience of our Althoff Industries technicians.

When you contact us for a service call, you likely want that call completed as efficiently and quickly as possible. A properly equipped and stocked truck can help us better accomplish that.

Keeping our trucks properly stocked and outfitted with the latest tools is part of the cost of doing business. So is properly maintaining our vehicles so they are ready to go when you need us. Whether your furnace decides to give out during the coldest day of the winter or your AC fails in the mid-summer heat, you can count on the team at Althoff Industries to be prepared. When you experience HVAC issues, we invite you to contact us, at Althoff Industries.

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A Clog Free Condensate Line Keeps Your Property Safe from Water Damage

Wednesday, December 13th, 2017

Next to the safety of your family, the highest priority of the team at Althoff Industries is to make sure your property is protected from damage from your HVAC system. To help ensure that, one of the routine maintenance tasks we perform on every clean and check and repair is to make sure the condensate line is clear.

What is the purpose of a condensate line or drain, how does it get clogged, and what can be the result if it does clog?

The Role of a Condensate Line

Many homeowners don’t understand that their air conditioner not only cools the air it treats but it dehumidifies it as well. On a humid day in Chicago, as much as five to 10 gallons of water can be removed from the air. This water is funneled into a drip pan and then removed through the condensate line to the outside of your house or to a drain inside the home.

How Does a Condensate Line Become Clogged?

Even if you are diligent in keeping air filters clean and even if you have a whole house air cleaner, dust and dirt can still collect in and around your HVAC system. The moisture that is removed from the air can serve as a “dust magnet”, attracting dust and dirt particles into the drip pan and eventually the condensate drain. If not cleaned, this can clog the condensate line.

What are the Potential Ramifications of a Clogged Condensate Line?

If the condensate drain is clogged, the water in the drip pan has nowhere to go and will overflow. This can cause damage to your HVAC equipment, flooring, and walls. If not promptly corrected, it can even lead to mold, which can be expensive to remediate. You are far better off having your condensate line cleaned with your annual furnace maintenance and HVAC check.

Cleaning the condensate line is a relatively simple task, yet some HVAC companies won’t perform a condensate drain cleaning unless a clog is apparent. At Althoff Industries, we understand that clogs usually don’t just occur overnight, they develop over time. By cleaning the condensate line on every visit, we are conducting proactive maintenance to prevent a potential problem in the future. We’ve created a brief video explaining condensate drain cleaning if you’d like to learn more.

If you have any questions about your HVAC equipment or would like to schedule an annual furnace maintenance clean and check, we invite you to give us a call. Next to the safety of you and your family, protecting your home is our next highest priority.

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How to Choose the Right Air Filter for Your HVAC Equipment

Wednesday, November 15th, 2017

If you find yourself having to set your thermostat at unusually high or low temperatures just to stay comfortable, your problem may be poor air flow. Poor air flow may be caused by too much friction in your HVAC system or too much turbulence. One of the most significant causes of friction in an HVAC system is the air filter.

How is an Air Filter Related to the Comfort of a Home?

Even a clean HVAC air filter will offer some friction to the air flow in a furnace. If a filter is dirty or too restrictive in its design, it will not allow a sufficient airflow through your system and into the rooms it serves. This can lead to your system overworking and struggling to provide the comfort you desire. It will also increase the inefficiency of your unit. While we find that more and more homeowners understand the importance of changing filters, many still fail to remember to do it or are purchasing filters that are too restrictive for their systems to operate properly.

How Do You Determine the Best Filter for You?

HVAC filters are rated based on a minimum efficiency reporting value (MERV). This is a 1-16 scale but most home filters fall within the 4 to 12 range. The higher the rating, the smaller the particles are that can be trapped by the filter. Higher ratings also make filters more restrictive to air flow and generally are more expensive.

Selecting the right filter for you and your family will depend on the balance you place on comfort, expense, clean indoor air quality, and furnace efficiency. Most homeowners can usually settle in the 6-8 MERV range without negatively impacting air flow. The 6-8 range filters are also still affordable.

Before You Switch to a High-Efficiency Furnace Filter

A high-efficiency HVAC air filter can remove up to 99% of particulate matter in the air. This can be terrific news if you or someone in your family suffers from allergies or are sensitive to dust. A word of caution about high-efficiency filters, however. Before making the switch, contact your HVAC professional. A trained technician can help determine how disruptive the filter will be and perhaps even make adjustments to increase fan speed to make up for the reduced airflow. You’ll also want to make sure you stay on top of changing these more restrictive filters on schedule.

Keep in mind that a dirty HVAC air filter can cause more than just discomfort. They can lead to damage to the blower motor or heat exchanger. You can see the difference between a minimally restrictive fiberglass filter and a pleated filter in the below video.

If you have rooms that just don’t seem to get comfortable, check your air filters. If you are interested in switching to a higher MERV rated filter for cleaner indoor air, contact us at Althoff Industries, We’ll conduct an inexpensive clean and check and help determine the best HVAC air filter for your family. If adjustments need to be made, we can accomplish that on the same call.

Don’t settle for anything less than superior comfort when it comes to your indoor air. Contact Althoff Industries and get the indoor air quality you deserve.

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3 Essential HVAC Tools that Provide Accurate Diagnostics

Wednesday, November 1st, 2017

At Althoff Industries, our priority is not only hiring and training talented technicians but equipping them with the highest quality tools to get the job done accurately. We ensure our technicians are not only well-trained and proficient in HVAC repair and installations but that they have the essential HVAC tools to assist them in the accurate diagnosis of your heating and air conditioning equipment.

While our trucks are filled with many parts, equipment, and tools, there are three HVAC technician tools that we use at every service call. They are the combustion analyzer, draft gauge, and manometer. These tools give us the ability to measure and analyze things happening with the system that cannot be seen by just visually looking at it. Our highly trained technicians understand that the proper diagnosis involves digging deeper to uncover hidden problems that impact safety, performance, and can cause breakdowns.

3 Essential HVAC Tools

1. Combustion Analyzer

A combustion analyzer is a handheld device that looks much like a multi-meter an electrician would use to check circuits. Like blood work being analyzed at the lab, the combustion analyzer gives our technicians all the components of the combustion process at once. The three main components checked are carbon monoxide levels, oxygen levels, and flue temperature. A trained technician knows that having just one of those numbers doesn’t tell you the whole story. It takes putting all the pieces together to accurately understand what’s happening. The purpose of the combustion analysis unit is to measure the percentages of oxygen and carbon dioxide along with the flue temperature. These measurements help our technicians determine whether or not the furnace is operating within the parameters that the manufacturer of the equipment has specified.

A combustion analyzer is important for three different reasons. It can help in determining and achieving optimum fuel efficiency, it is critical for the safe operation of your equipment, and it can ensure your HVAC system is operating within the guidelines of any warranty.

2. Draft Gauge

A draft gauge is a device that verifies that your chimney has proper draft pressure. Improper draft can be caused by lack of combustion air, too much combustion air, outside temperature and wind conditions, or a blocked chimney. A proper draft is critical to make sure the by products of combustion are safely disposed of outside the home. Most companies just assume this is happening correctly, at Althoff our technicians are trained to verify it. HVAC tools like a draft gauge help our technician determine if there are any problems creating these potential draft issues.

3. Manometer

The manometer is a device used to measure differences in pressure. We use this in a couple different ways. First, we use it to measure duct static pressure to make sure that you have proper air flow through the furnace and duct system. Another way is by measuring gas pressure to the equipment. Equipment is rated for certain gas pressures and those outside of those ranges can have very negative effects on performance, safety, longevity of the equipment

Other Trade Tools Used on Daily Basis

The three critical HVAC tools listed above are just part of what technicians need to perform their job on a daily basis. Other such tools may include:

  • A refrigerant recovery machine
  • Hand seamer
  • Swage tools
  • Leak detectors
  • Hand and power tools
  • Tin snips
  • Multimeter
  • Humidity and temperature gauges…and more!

Our technicians in the field often play the role of part technician, mechanic, sheet metal worker, detective, and chemist/scientist. It is why they are so extensively trained and outfitted with the latest equipment. It is not an inexpensive proposition but we take what we do very seriously here at Althoff Industries. After all, it is not just the efficient operation of your HVAC equipment that is at stake. It is also the safety of your family.

When you experience an issue with your furnace, trust the experts at Althoff Industries.

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How Do You Define HVAC Contractor? This Definition Is Pretty Hard To Beat

Wednesday, October 11th, 2017

The Althoff Definition of a Quality HVAC Technician

You probably have seen, read or heard advertisements from HVAC contractor companies in the greater Chicago area that talk about their “quality”. They’ll boast of the quality of their equipment, the quality of their service, and even the quality of the technicians they hire. Quality has become a word that is so overused in the service industry that it often loses its meaning. When it comes to HVAC, through the years, we’ve discovered there is a big difference in what they refer to as “quality”, and what our high standards are at Althoff Industries. Our definition of a quality HVAC technician reaches beyond most HVAC companies in the Crystal Lake IL area.

Treating Problems at the Core Cause

At Althoff Industries, our technicians are trained to find the core cause of a problem. They are not on a mission to “find” problems that may or may not exist. They are not there to sell you something. From the moment an Althoff team member answers your call to the moment we arrive  at your home, we are there to resolve your HVAC problem at its root cause, keep your family safe, and restore comfort to your home. They are there to offer logical options and let you make the final choice. They are often asked, “What would you do?”. In fairness, every family has different budget restraints. Our technicians are there to provide you HVAC options that are safe. The choice is ultimately yours, the way it should be. Don’t let an HVAC contractor sell you on a solution that may be their own best interest.

Why Finding the Core Cause is Important

Our technicians are trained to find the core cause of a problem because without that knowledge, technicians often just treat the symptoms. Our Althoff technicians are there to determine WHY a part failed and WHY your HVAC system isn’t performing properly. When an HVAC contractor tells you you need a new part, they should be able to tell you WHY the part failed. If they say “normal wear and tear” and your furnace is less than ten years old, it should raise red flags. If they can’t offer a logical reason for the part failure and you simply replace it,  you may just soon experience the same failure sometime in the near future.

Technicians, Training, and Tools

Want to hear something you may already know? Some HVAC people are more interested in selling you something than helping resolve your problem. Shocker right? At Althoff, we have a client-centered focus that compels us to determine your problem at its root cause and then offer you the best options to resolve it. No hidden agendas. We do this through good people who embrace our mission. They have families and understand the challenges of dealing with unexpected issues like HVAC maintenance problems. Next, we provide our HVAC technicians with superior training and exposure to the latest available techniques and technology. That technology includes innovative digital tools that can better determine exactly what is going on with your HVAC system. These tools accurately determine the underlying cause of your problem. We are not just guessing. We use precise instrumentation to verify how your system is performing. We know you expect more than an educated guess from a “quality” HVAC company. At Althoff Industries, we deliver.

Discover a Higher Definition of Quality at Althoff Industries

If you have been frustrated with an HVAC technician who “guesses” at your problem, or simply replaces a failed part without being able to tell you why it failed, contact Althoff Industries. Our service technicians are trained and have the latest tools to diagnose your HVAC problem efficiently and effectively. Best of all, they offer honest solutions that can best fit your family’s needs. Expect more and get more.

Althoff Home What Makes HVAC contractors Different

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Warm Days, Cool Nights: Seasonal AC Tips for Energy Efficiency

Tuesday, August 29th, 2017

This is the time of year when those of us in the Chicago area can still experience some pretty warm daytime temperatures as our nighttime temperatures begin to get downright cool. Humidity begins to drop and the air starts to feel fresher. It can be tempting to consider turning seasonal AC on and off or to only use it as needed. We may even view it as a way to save energy. That may not exactly be the result. Here are some tips to stay comfortable in the fall, while also being energy efficient.

5 Tips for Seasonal AC Energy Efficiency

  • Let your thermostat do the work. Rather than turning AC on and off between daytime and nighttime, let your thermostat do the work and set it two or four degrees warmer. This will allow your residential AC unit to operate more energy efficiently while not having to work too hard to bring the temperature down inside your home during those warm days.
  • Use fans to circulate the air. With a higher thermostat setting, it may be a little warmer in your home during hotter early fall days. This is a great time of year to use your ceiling or oscillating fans to circulate the air. Since your AC will be operating less frequently, the fans can offer an assist in moving the air in your home.
  • Opening windows may not be the best idea. Opening your home’s windows can be tempting this time of year but if someone in your household suffers from allergies it could cause problems. It can also cause your air conditioner to work overtime if you forget to close them during warm days. An open window, even with a screen, can also be a security problem.
  • Change that filter. If you haven’t changed your air filter yet this summer, now’s the time to do so. Filters are inexpensive and easy to change and just maybe the single easiest thing you can do to keep your residential AC operating efficiently.
  • Check your outdoor unit. Fall leaves have a way of gathering around outdoor AC units. Be sure to make an occasional visual inspection of your outdoor unit making sure it stays unobstructed.

Turning AC on and off during the early fall can be tempting but it also can be hard on your equipment. By turning your thermostat up, using fans, keeping windows closed and maintaining equipment, you can get through these “tweener” months using your system efficiently.

Many times, a residential AC unit can limp into the fall, barely surviving the summer. That’s why this time of year is a good time to get an AC checkup so it will be ready to go in the spring. If you have any questions about your residential AC system or would like to schedule an HVAC checkup, please feel free to contact us at Althoff Industries. Spring, summer, fall, and winter, we’ve been keeping Chicago area families comfortable for over 50 years!

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Is Switching to an Energy Star Air Conditioner Worth It?

Thursday, August 3rd, 2017

You’ve likely heard about Energy Star air conditioners and how they’re more energy efficient. But are they really worth it—in other words, can they save you money?

The short answer is yes, especially if you’re switching from an old, inefficient unit that has to run too long and work too hard to keep your home comfortable.

Let’s look at why upgrading to an Energy Star central air conditioning unit could be beneficial for you.

First, What Is Energy Star?

While most people have heard of Energy Star, many think it’s a brand or a manufacturer’s marketing 

campaign. Energy Star is actually a government sanctioned volunteer program administered by the Environmental Protection Agency (EPA). According to the Energy Star website, it’s “the most successful voluntary energy efficiency movement in history.”

That’s a bold claim, but they can back it up.

Energy Star was started by the EPA under the 1992 Clean Air Act in an effort to reduce air pollution. This led to the development of more energy efficient buildings and products. After a quarter of a century, the Energy Star program continues to fuel the adoption of more energy efficient products, practices and services throughout the United States.

Not only do these products and practices help limit greenhouse gasses, they can also save consumers money on their energy bills.

What Does Energy Star Certification Mean?

Energy Star air conditioning units are independently certified to save energy, save money and protect the environment.

You’ve probably seen the Energy Star logo on appliances, electronics and building products. In order for products to earn the Energy Star label, they must be certified by an independent third party. This third-party certification is based on testing in laboratories that are EPA recognized. A product displaying the Energy Star logo has earned that distinction through proven and documented energy savings. Manufacturers can’t just pay for the logo or put it on any product they want.

The Value of an Energy Star Central Air Conditioner

One of the biggest values of Energy Star central air conditioners is that they’re much more efficient to operate, directly saving consumers on utility bills. According to Energy Star, their certified central air conditioners not only have higher seasonal energy efficiency ratio (SEER) and energy efficiency ratio (EER) ratings but also use about 8 percent less energy than conventional new models.

That means if you’re choosing between a brand new Energy Star certified central air conditioner and another new unit, your savings will be 8 percent more choosing Energy Star. That’s good on its own, but most people buying a new air conditioner are replacing an old unit that’s become inefficient to run. In that case, the savings will be dramatically higher. Think of how those savings can add up over the life of an air conditioner!

Energy Star products are so much more efficient than older products, the program recommends that if either your heating or central air unit is over 15 years old and one needs replacement, you replace both at the same time with an Energy Star unit. According to Energy Star, replacing your old heating and cooling equipment with Energy Star qualified equipment can cut your annual energy bill by more than $115 depending on where you live.

Of course, along with significant energy savings, you and your family can feel good knowing you are minimizing your carbon footprint.

Other Ways to Save on Cooling Bills

The Energy Star website offers many tips for cooling your home efficiently, which we at Althoff also recommend. Changing your air filters, keeping overgrowth trimmed back from your outdoor unit, using a programmable thermostat, and regular maintenance will help keep your air conditioner running at its peak and your bills low. Don’t forget your annual A/C tuneup from a professional HVAC technician.

Are you considering upgrading your air conditioner and/or other major appliances?

Althoff Industries specializes in recommending and replacing air conditioners, furnaces, boilers and more. Contact us today at (815) 455-7000, and we’ll help you get the process started.

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6 Tips for End of Summer AC Maintenance

Thursday, August 3rd, 2017

Most people in Chicago consider air conditioning maintenance a part of their spring or summer routine. The fact is, the spring and early fall are both good times to conduct maintenance on your AC. End of summer AC maintenance, though, can ensure your system is ready to go for any “Indian Summer” days we may yet experience and is good to go in the spring. If there is a problem or potential problem, there is plenty of time to get it repaired or order any needed parts. If a residential AC maintenance check discovers serious issues, you will have time to make a repair or replace decision. End of year maintenance, along with spring maintenance can help your AC unit run more efficiently, last longer, and reduce overall maintenance costs. What type of end of summer AC maintenance should be performed and what are some air conditioning maintenance tips for this time of year?

Your End of Summer AC Maintenance Checklist

1. Replace the Air Filter

Hopefully, this is not the first time you are replacing your AC filter this summer but even if it is, now is an important time to make sure it is done. Changing air filters frequently is one of the easiest and cost-effective ways to help the performance of your air conditioner.

2. Make Sure Your AC Unit Has Room to “Breathe”

Over the summer, grass and bushes may have grown up and around your outside AC unit. This can eventually keep it from getting sufficient air circulation. Clear out any brush, grass, and leaves from the area before cold weather arrives.

3. Clean the Coils and Condensate Line

Dirty coils and a blocked condensate line can cause a variety of issues with your outdoor AC unit. End of summer maintenance should include a thorough A/C coil cleaning. While many will choose to “broom off” or “hose off” AC coils, at least once a year these units should be professionally cleaned by removing the casing. This is best done by a professional.

4. Listen to Your AC Unit and Give It a Visual Inspection

Look for any frayed wires, rust or animal activity. Listen for any unusual sounds or rattling. Look for any outward signs of wear or damage that may have occurred during the summer, especially from mowers and string trimmers.

5. Combine Your End of Summer AC Maintenance with a Furnace Tune-Up

More and more families are discovering the value of having their residential furnace tuned up for the fall at the same time they perform end of summer AC maintenance. This gives them peace of mind in knowing their entire HVAC system is cleaned, maintained, and ready for the seasons ahead. Things can get very busy quickly in the fall, and these are two projects that can be handled early and easily.

6. Call Althoff Industries

Althoff Industries can help you get the most out of your HVAC system with thorough maintenance and tune-up services. We’ve been serving the Northwest Chicago area with heating and cooling services for over 50 years. We were founded as a family business and have never wavered in our commitment to offer the best and most complete service available in the heating and air conditioning industry.

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Repair or Replace? Average Life of an Air Conditioning Unit

Wednesday, August 2nd, 2017

Some of the most frequently asked questions we get at Althoff Industries are related to the repair, replacement, and lifespan of HVAC equipment. This time of year in Chicago, questions about the average life of an air conditioner unit and whether the repair or replacement of a central air conditioner is better are common. It is not an easy answer because personal situations and equipment quality vary so widely but we can add some perspective.

What Is the Average Life of an Air Conditioning Unit?

Quite frankly, we have seen AC units that need to be replaced after as little as 10 years and have seen them still operating after 30 years. Both are extremes, of course, but generally speaking, it is safe to use 20 years as an average life-expectancy of an air conditioner. If your’s lasts longer, there are reasons to be grateful.

What Affects an Air Conditioner’s Life Expectancy?

There are three significant factors that will affect the average life of an air conditioner unit.

  1. The quality of the equipment. When it comes to mechanical equipment, quality will always be a major factor in determining the length of service. It is common sense that an air conditioner that is engineered and constructed better will last longer.
  2. Proper sizing and installation. If errors are made in an initial installation of a unit, it can dramatically affect how long a central air conditioner will last. It is one of the benefits of using a trusted, professional HVAC company for the installation of your AC unit. Proper sizing is critical, so don’t fall for “bigger is better” sales pitch. It has been shown that over-sized units tend to fail faster than those that are properly sized.
  3. Maintenance and service. A third significant factor impacting the life of your central air conditioner is how well it is maintained and serviced. Have filters and coils been kept clean? Has vegetation been kept clear from the outside unit? Have fan motors been properly lubricated? It is the reason a professional inspection and tune-up in the spring and fall are so valuable. When it does need service, any replacement parts shouldn’t be appropriately installed. It can be of value to you to have the same company maintain your unit annually, that is if you are satisfied with their service, of course.

Simply put, to maximize the lifespan of a central air conditioner, select quality equipment and have it installed, serviced, and maintained by a trusted professional. We, of course, hope you will consider the team at Althoff Industries.

Repair Or Replace?

Things get trickier when it comes to the decision to repair or replace. The EPA suggests that if the equipment is 10 years or older you should replace it. This is because of increasingly higher SEER ratings that are available in newer units and due to the fact that your unit is likely destined for complete failure in the next five to ten years anyway. Budgets and life situations may make repair the better choice, even if it is a temporary situation. At Althoff Industries, we will guide you through your options and the benefits and risks of each. The option to repair or replace, however, is always yours.

If your central air conditioner is 15 years or older, contact us for an inspection and tune up. It is possible your air conditioner may not be cooling your home properly or efficiently, costing you money every time you pay your electric bill.  We hear from many of our customers who had an AC failure and replaced their older unit. Afterwards, they said if they would have known how much they would have been saving, they would have made a proactive decision to replace years ago! Call Althoff Industries today!

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7 Signs Your Air Conditioner Needs Repair

Thursday, July 27th, 2017

It isn’t always obvious that your air conditioner needs repair. The warning signs of an A/C problem are usually there long before the unit breaks down.

  1. Your utility bills are going up.
  2. You have to set the thermostat lower to stay cool.
  3. Your air conditioner runs too long or is short cycling.
  4. Your air conditioner has started making strange noises.
  5. Certain rooms aren’t cooling properly.
  6. The A/C unit is on but not blowing cool air.
  7. The A/C doesn’t come on at all.

We’ll get into these in depth in a minute. First, think of your air conditioner like a car. Your car may get you from Point A to Point B without breaking down, but that doesn’t mean it’s running properly. Low coolant levels could be creating excessive heat that’s damaging the engine. Low tires could be causing poor gas mileage. Eventually, these problems catch up with you and there’s a breakdown or flat tire.

It’s the same with your air conditioner. Unattended issues can cause costly inefficiencies and damage. Eventually, the A/C will stop working altogether.

Here are 7 signs you may have an air conditioner problem.

1. Your utility bills are going up.

This is a tricky one because it’s easy for utility bills to creep up over time without you noticing. Take a few extra minutes to look over your cooling bill each month. Compare the usage to the previous month and the same month in the previous year. Has your usage gone up? If you know you’ve been running the A/C more because of hotter-than-usual outdoor temperatures, that might explain it. But if not, and you notice a trend of steadily increasing usage, an inefficient air conditioner is the likely culprit.

A/C inefficiency can be caused by a variety of reasons, including:

  • Clogged air filter
  • Overgrown vegetation “crowding” the outside unit
  • Too much dirt and debris on the condenser coils

All of these stifle airflow, making your air conditioner work harder than it should. Thankfully, they’re easy fixes.

  • Check your air filter every month and change it when it’s dirty.
  • Trim back any vegetation around your outdoor unit so it has plenty of room to “breathe.”
  • Condenser coils should be thoroughly cleaned by a professional during your yearly air conditioner maintenance.

2. You have to set your thermostat lower to stay cool.

If you have to keep setting your thermostat lower and lower to keep your home comfortable, you likely have a developing A/C problem.

This too can be the result of poor airflow, or your fan motor may not be working properly. It’s also possible that your home is retaining too much moisture—humid air always feels warmer. (You’ve probably heard the phrases: “It’s not the heat, it’s the humidity!” or “But it’s a dry heat!”) If taking the above steps to restore airflow doesn’t solve the problem, an A/C professional can help determine the source of your issue.

3. Your air conditioner runs too long or is short cycling.

A/C systems aren’t designed to operate constantly, or to run frequently for short periods of time. If you notice that your air conditioner is running far too often or is short cycling, you have a problem that needs to be addressed. This can be a fan motor or relay issue, a thermostat problem, or may be yet another result of poor airflow.

4. Your air conditioning system is beginning to make strange sounds and noises.

Let’s revisit our “an air conditioner is like a car” comparison for a minute. Just like with your car, it’s easy to quickly get used to new noises and think of them as normal. You naturally start to tune them out. That’s why if you hear a new, odd noise coming from your A/C, you should call for service right away. Otherwise you may accidentally ignore a developing issue until it becomes a costly breakdown.

5. Certain rooms aren’t cooling properly.

This is often the result of poor airflow to those rooms. Make sure the intake vents aren’t blocked by a box, laundry or other easy-to-remedy issues. Check to see if the cooling vents are open. If this has been a long-term problem for your home, your system may not be properly sized or vented. A call to an HVAC professional is recommended.

6. It sounds like the A/C unit is on but it’s not blowing cool air.

This is likely a blower motor issue. The A/C is cooling, but the air is not being circulated throughout your home. This could be a simple relay problem or it may be a failure of your blower motor. In either case, it will require the assistance of a professional HVAC technician.

7. The A/C doesn’t come on at all.

If your air conditioner stops working altogether, it may have lost power. The circuit breaker may have tripped. You can reset the breaker easily enough, but if it trips again, you likely have some sort of a short in your A/C system and need to call a professional right away.

If you still have power to the A/C unit but it’s not coming on, check the thermostat to make sure it’s properly set.

Regular maintenance is the key to preventing costly air conditioner repairs.

There are plenty of simple things you as a homeowner can do to maintain your air conditioner. Many of the A/C problems stemming from poor airflow in particular can be headed off with these air conditioner maintenance tips.

For the rest, there is no substitute for an annual A/C tuneup from an HVAC professional. Having your A/C system thoroughly cleaned, inspected, and tuned-up is a terrific way to avoid loss of cooling at a critical time. It can also help your equipment last longer and operate more efficiently.

If your air conditioner is showing signs of needing repair, don’t wait.

Air conditioner problems don’t resolve on their own. Ignoring the problem could cause damage to your unit that then requires more extensive and costly repairs. Calling in a trusted HVAC professional to take a look is your best move.

If you’re in the Greater Chicago area, have one our licensed Chicago HVAC technicians check out your A/C issue now and get peace of mind. Contact us at (815) 455-7000 to schedule.

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