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residential AC installation mistakes

7 Residential AC Installation Mistakes to Avoid in Millbrook, AL

Many people fail to appreciate how much value the services of quality heating and air conditioning contractors provide for people in the United States.

The market in the United States for their services is worth more than $120 billion every year! The industry employs more than 566,000 people to manage all of this demand.

One of the unfortunate reasons that there is so much money in this industry is because of how common residential AC installation mistakes are.

These mistakes can keep people from enjoying the full benefits of their AC system. Avoiding these mistakes can save you time and money and help you enjoy a comfortable temperature in your home.

So what are these most common mistakes, and how can you avoid them? Read on to learn about the most common mistakes people make when installing AC in your home!

1. Choosing the Wrong Size Residential AC System

One of the worst mistakes to make is picking an AC system in Millbrook, AL, that is the wrong size.

If you do this, there is little you can do besides getting a new system of the correct size. But what is so bad about having an AC system that is too large or too small?

If your system is too small, it will not cool your house down as you expect. That means you will have to live with warmer temperatures than you feel comfortable with.

On top of that, the AC system will always be on. That means it will never get a break. The result is that it will experience more problems and require more repairs.

In the long run, the system will wear out faster, requiring you to pay more money for a new one.

On the other hand, you can install an AC system that is too large. So what is the problem there? The main problem with installing an AC system that is too large is that it is more expensive than needed.

You will pay extra when you buy the large AC system. You may also pay extra for your monthly energy bills. Large systems sometimes consume more energy, even when cooling down smaller houses, which can also contribute to the greenhouse effect.

The right AC system will be somewhere in the middle.

It will cool down your house and then turn off to give itself a break. This will help it last longer. It also won’t cost too much to buy and won’t use more energy to run than it needs to.

2. Setting up Poor Drainage When Installing New AC Units

Some AC installation jobs provide inadequate drainage.

Not everybody realizes their AC will create a lot of moisture as it runs. That moisture must be directed away from your home, so it doesn’t build up and interfere with your AC unit.

The unit will not work correctly, and you may also suffer water damage.

A sound drainage system will catch all of the condensation that your AC coil creates. It’ll have a condensation pump and a drain to ensure that the moisture is piped to where it will not cause any harm.

3. Replacing AC Units Without Sealing the Ductwork

Many AC systems depend on a series of ducts to help direct cool air around the home. These ducts need sturdy seals to work correctly. Otherwise, the cool air of your system may leak out.

That can mean that you have some rooms that are too cold and others that are too hot. That is why it is essential to check the ducts at each junction carefully.

There should be a tight seal. Even gaps that look small can affect your AC efficiency dramatically.

4. Exposing the Thermostat to Common AC Issues

If you put the thermostat in the wrong place, it can mess up your AC system.

That is because your thermostat also contains a thermometer that measures the temperature. What do you think happens if you place your thermostat next to the fireplace?

It will read like your home is always too hot, which will mean the AC system will always be on.

If you put your thermostat right next to a vent, it will cool down the thermostat when the system turns on. This will cause the thermostat to act as if the whole house is cool, and the AC will turn off.

5. Placing the Condenser in a Poor Place

The condenser of your AC system cools things down. If it is installed in a warm area of your home, it will consume more energy than it needs to do its job.

The condenser needs to be installed in as cool a place as possible that is away from sunlight.

6. Failing to Provide Regular AC Maintenance

Your AC system needs a clean filter to function well. That means replacing it every few months or so.

Your AC system will also develop fewer problems if it has regular maintenance, saving you time and money in the long run.

7. Overfilling the Air Conditioner When Replacing AC Unties

If you put too much refrigerant in your AC system, it can leak out and damage other system components. This can result in expensive repairs.

Ensure the amount of refrigerant in the system is not too high when a new system is installed. Finding the right installation company can help you avoid all of these problems.

Avoid the Most Common Residential AC Installation Mistakes in Millbrook, AL

Residential AC installation mistakes may be common, but that does not mean you must propagate them.

Spending a little time learning about installation mistakes and how to avoid them is an investment in your financial future. You will enjoy the best performance possible if your AC system is installed correctly.

To learn more about the benefits of careful AC installation or speak with an AC installation expert, get in touch with us here in Millbrook, AL any time!

Reviews & Testimonials

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My technician was Doug. I had an emergency plumbing issue and he came right out and worked diligently until the issue was fixed! I was very impressed with his professionalism and knowledge. I recommend this business and Doug! They had to come back out and fix an additional problem we found from the first instance and Brad accompanied Doug. They were both professional and completed the work in a timely fashion.


Clark’s Plumbing to save the day. Team Jeremy and Doug saved me time, frustrations, and money on upgrading our hot water heater. They were very professional, personable, and considerate of what is best for the customer. They were on time, courteous and friendly. They worked diligently and were honest. These values are hard to find in today’s environment. I really appreciate Team Jeremy and Doug. These guys are amazing.

Nicole S.

Had a leak appear by the back door. Called Clark heating and air conditioning, left a message and within five minutes had Jeremy call me back. He was out at my house within twenty minutes which was very quick. He quickly found the problem which was the ac stack, he removed the clog quickly. I was afraid it was going to be something more serious but thankfully it was simple. Awesome service and will be my go to company for a/c and plumbing. Jeremy was very professional and did a wonderful job.

Tim B.

Great experience with this company. I called Tuesday morning about my pilot light no longer working in the water heater, and Doug and Jeremy came out that afternoon. They were quick and efficient and made sure they explained what was going on and what could be done. Sadly, I needed an entire new unit, which required an electrician. Clark’s set that up as well, and I didn’t have to make any calls to get it done.

Jonathan M.

Was awoken to water pouring out of hot water heater in the hall and scrambled to find water shut off, got the water off and called Clark. Doug and Jeremy were here in under five minutes. Amazing!!! After a quick inspection they ascertained it was a ‘thermal unit’ and had us back to hot water in under 30 minutes! I sincerely and highly recommend Clark and specifically these two gentleman. We could not be more satisfied with the work and their comportment while here. True PROFESSIONALS!

James B.

Came out to service A/C after beginning membership. Couldn’t be happier, the air is running great now. Zack even took care of a wasp nest on my front porch. Very nice people and very prompt. Will definitely be using from here on!

Amanda B.

We would like to Thank the Clark Heating, air conditioning and Plumbing team members Jeremy and Doug for coming out to Tonnie Caldwell home making sure everthing was taken care of explaining everything to us about what needed to be done and was on time and very clean in doing there job and making sure we were happy in the service they provided. I will be calling you all again for any service that I may have in the future. Thanks once again.

Sheila I.

Doug and Jeremy arrived on time they both were courteous and professional took extra care wearing foot protectors and mask , could not ask for better service than these fellas performed.

Jeff W.

I called this morning for an issue with my water heater and leaky bathroom faucet. The company promptly sent out two awesome technicians Doug and Jeremy. They were prompt, professional and knowledgeable. Will definitely be using in the future and would recommend to anyone in need of service!

Bernadette E.

For over a year, I have used Clark’s to service my air conditioning system, but recently I decided to upgrade. Norah and Blake was very professional, on time, and knowledgeable. Just like Clark’s was recommended to me, I will also recommend them to someone else, because they are the best company for air and heating needs .

Rotonya S.

We recently had both plumbing and thermostat issues. Clark came out very quickly to assess our situation and even though the plumbing required a lot of work, they finished in a couple of days. Ryan with heating and air was knowledgeable and pleasant. Doug and Jeremy were patient with all of our plumbing questions, knowledgeable about the work and products, then did a great job fixing our regulator and putting in a tankless water heater.

Shelby T.

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