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Mature man, with pillow covering entire face, cannot sleep at night from loud air conditioner.

Why Is My Air Conditioner Making Noise?

May 24, 2019

It’s normal for your air conditioner to create some noise when running—that simply means it’s working. Although older units are typically louder than newer ones, all air conditioning noises are not the same.

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Woman holding a cell phone with confused look on her face.

Why Is My Air Conditioner Freezing Up?

May 13, 2019

If your air conditioner stops blowing cool air or stops all together, check to see if your indoor unit is frozen. What exactly will that look like?

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Technitician explaning repair to customer.

Video—Do I Need to Schedule a Maintenance Appointment?

April 25, 2019

Just like a regular physical, a regularly scheduled maintenance appointment can help find and diagnose problems that would be otherwise invisible to you because the signs are not easily seen or heard. So often we notice problems only because we miss the benefit we lost when something stops working.

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Red and orange living room with a ductless air conditioner on the wall.

How Does an Air Conditioner Work?

April 5, 2019

The modern air conditioner was invented in 1902 by Willis Havilard Carrier. It was invented to solve the humidity problem at a printing plant in Brooklyn.

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Drawing of a house illustrating how a heat pump works.

Video—What Is a Heat Pump?

March 26, 2019

A heat pump is a device that transfers heat from one place to another, from inside your Charlotte home to outside or from outside to inside. In the winter a heat pump works like a heater, extracting heat energy from outside and transferring it inside. In the summer the process reverses and it will remove heat from your home and transfer it outside similar to an air conditioner.

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Young girl rests her head in her mother's lap while her kitten looks on.

Four Ways To Change Your Home’s Air Quality for the Better

March 12, 2019

According to the EPA (U.S. Environmental Agency), you may be exposed to 2-two to five times more airborne pollutants by staying indoors than if you were outside. To protect yourself and your loved ones, here are four ways to improve your home’s indoor air quality (IAQ).

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Family enjoyed a comfortable indoor temperture after running a heat pump

How Can I Get My Heat Pump to Last Longer?

February 28, 2019

The average air-source heat pump lasts around 15 years. An HVAC unit’s lifespan is dependent on several factors, including its design and overall quality. However, there are many factors that you, the owner, directly control. Caring for your heat pump requires diligence but is quite manageable if you get into the habit of it. Often…

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An indoor green plant which helps with indoor air quality

Winter Indoor Air Quality

February 15, 2019

In the winter, being snug as a bug in a rug in your home can be cozy, but it can also play havoc with your indoor air quality (IAQ) here in Charlotte, North Carolina, creating some significant health problems. At All City Heat & Air, we recommend taking precautions to avoid the common issues associated…

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Little dog looking upward. Pets and indoor air quality

Video – Does Indoor Air Quality Affect My Pet?

January 31, 2019

Protect your pets from indoor air pollution by changing your air filters regularly.

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Young couple making a decision with computer open and papers in front of them

When to Replace Your Furnace

January 15, 2019

Furnaces are far from immortal. If you take good care of it, your furnace will last considerably longer than a neglected one, but, unfortunately, it still will not last forever. Here are some signs you might want to start looking for a replacement furnace: It’s Old. Furnaces generally last 15 to 20 years.  Afterwards, they…

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Need HVAC Service?

Contact the experts at All City Heat and Air.

Call us at 704-545-2000!


All City Heat and Air proudly provides HVAC service to Charlotte, Huntersville, Matthews, Mint Hill, Pineville, Harrisburg, Indian Trail, Waxhaw, and the surrounding communities. Visit our service area page for more coverage details, call us at 704-545-2000, or request service online today.