Air Conditioning Articles

Is Your Thermostat Causing Your AC to Freeze Up in Centreville?

August 30, 2025
Close up photo of an HVAC fan.

It’s another hot summer day in Centerville, and you feel like you might melt. Your air conditioner is not doing its job.

It’s acting a bit icy.

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3 Tips to Prevent AC Breakdown During a Heat Wave

August 15, 2025
Couple trying to refresh during summer heat wave.

According to the National Weather Service, heat-related fatalities in 2023 surpassed deaths related to floods, hurricanes, and other weather events.

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When Do I Replace My Air Conditioner In Reston?

July 31, 2025
Air conditioner maintenance being performed.

According to the U.S. Department of Energy (DOE), replacing your decade-old unit could save you up to 50 percent on your monthly utility bill.

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3 Tips to Prevent AC Breakdown During a Heat Wave

May 30, 2025
3 Tips to Prevent AC Breakdown During a Heat Wave

An air conditioner is your lifeline during a prolonged heat wave.

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What’s That Smell Coming From My AC at Startup?

May 16, 2025
What’s That Smell Coming From My AC at Startup?

As the temperatures begin to rise in Fairfax, many homeowners are firing up their air conditioners for the first time in months. But what if, instead of a refreshing blast of cool air, you’re hit with an unpleasant smell?

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3 Signs It’s Time For a New AC

April 30, 2025
family sitting in front of fans in living room to cool down.

According to the U.S. Department of Energy (DOE), high-efficiency air conditioners can reduce energy usage by 20 to 50 percent per year.

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Spring AC Maintenance Tips

April 15, 2025

From replacing air filters to scheduling maintenance, cleaning your cooling system can prevent breakdowns and keep your home comfortable.

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Is My Home Energy Efficient?

August 12, 2024
Is My Home Energy Efficient? Fan.

You hear it all the time—buy energy-efficient heating, ventilation, and air conditioning (HVAC) equipment to lower your Virginia utility bills! But what about creating an energy efficient home?

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5 Ways to Save Money On Your AC and Summer Energy Bill

July 15, 2024
air conditioner blowing money out of vents.

The US Department of Energy (DOE) says air conditioning can account for 35 to 40 percent of your utility bill here in Virginia. At Comfort Defender, we take energy efficiency seriously.

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5 Common AC Problems

June 28, 2024
5 Common AC Problems. Running air conditioning unit.

When you change out a dirty filter for a clean one, your heating, ventilation, and air conditioning (HVAC) equipment use up to 15 percent less energy monthly, according to the U.S. Department of Energy (DOE). Plus, it’s able to properly catch dust and debris, boosting your indoor air quality (IAQ).

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3 Health Benefits for Using Your AC While Sleeping

September 15, 2023
3 Health Benefits for Using Your AC While Sleeping. Senior couple sleeping together in bed in bedroom.

A major part of your health relies on getting a good night’s sleep. That’s why it’s not just important to run your air conditioner during the hot summer days. You also need to keep your home comfortably cool at night as well.

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Do Air Conditioners Eliminate Mold?

August 29, 2023
Do Air Conditioners Eliminate Mold? - Girl Cleaning in the Kitchen.

Your air conditioner cannot eliminate mold once it starts to grow. However, a well-maintained AC system can act as a mold deterrent.

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Purchasing the Right Air Conditioner

August 25, 2023
Purchasing the Right Air Conditioner - Two AC Units Outside.

You decided to part ways with your old air conditioning (AC) system. It is not always an easy decision to make. But now, you can get ready for a new era of home comfort, with lower utility bills and improved indoor air quality (IAQ). Did you know upgrading your AC can reduce your electricity bill…

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AC Maintenance Checklist

July 13, 2023
Plumber talking to a Father and small child in their home.

Be sure you take the time to perform basic maintenance regularly as well as invest in a professional checkup at least once a year. According to the US Department of Energy (DOE), good maintenance can save you money and reduce your energy usage.

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