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Testimonials

About

Air Doctor Is Your Full Service HVAC Company

Air Doctor, LLC is owned and operated by Scott and Barbara Karr in Boonsboro, Maryland.  The company was formed in 2013 in order to provide five star residential HVAC and commercial HVAC services, coupled with indoor air quality systems for health and wellness benefits, all with excellent pricing.  We serve all of Frederick County and Washington County, as well as parts of Carroll County, Montgomery County and Howard County.  Scott has 24 years of total HVAC experience and has held his Master HVAC license more than 10 years.

What sets Air Doctor apart? Quality, integrity and excellence in our workmanship, coupled with our stand alone benefits, which includes:

• 10-year total equipment warranty
• 10-year total parts warranty
• 10-year total labor workmanship warranty
• 10-year financing (for qualified buyers)
Our 100% customer satisfaction guarantee has sealed strong and trusting long-term relationships with thousands of clients.

Services

Accreditations

Discounts

Call now to claim your cash savings special discount!

Click here to get your free Money Mailer coupons!

Financing

Air Doctor, LLC is proud to offer easy financing with zero cash out-of-pocket for all of our residential and commercial clients to fit your needs and budget.  From deferred interest promotions to very affordable 10-year low payment options for qualified buyers, these loans are an easy and convenient way to pay for your HVAC system investment.

Click an option below to securely apply today and then give us a call at 301-799-7200.

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Commercial

Contact

 
Thanks for visiting Air Doctor’s website. Call today or fill out the short form to schedule your FREE estimate or schedule a service call.

We are here for all of your heating and air conditioning needs 24/7 all year long.

 
**All of our employees are fully background checked and drug screened.

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Blog

Care and Maintenance for your gas fireplace

It is important to know how to properly care for your Gas Fireplace. A Gas Fireplace can be a warm, inviting addition to your home. It is of utmost importance that it be clean and operate properly for full enjoyment and safety for you and your family. Most regular cleaning [...]

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Dirty Coil and Filters

You may not even realize you have a dirty coil and/ or air filter. At the very least they can affect the air quality in your home, but they can also cause a strain on your HVAC system causing them to work harder and use more energy to perform less. [...]

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Why does my heat smell bad and have a bad odor?

Why does my heat smell bad? There can be many reasons why your heating system smells bad or emanates a foul odor. Smells should not be ignored since there are sometimes big reasons for concern. A burning smell, strong electrical odor, a smell of hot rubber or plastic may indicate [...]

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Dangers of Electric Space Heaters

The Ominous Dangers of Electric Space Heaters Using electric space (portable) heaters can be a viable option for heating your home or room in an emergency or short term situation, but there are many dangers to be aware of. Space Heaters cause an overwhelming number of house fires (over 25,000 [...]

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Heat Pump runs all the time

If your heat pump runs all the time, it may or may not be normal depending on a couple of factors. For example if the heat pump is meeting your temperature setting and the external temperature is less than 30 degrees then your heat pump system is likely functioning properly. [...]

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Troubleshooting HVAC Systems- Do’s and Dont’s

Common Do's and Dont's when troubleshooting HVAC equipment are important to consider. Homeowners may be able to troubleshoot their HVAC systems to a certain degree, but bigger issues, repairs and installations should be left to the professionals. Some of the troubleshooting that can be done prior to calling a professional [...]

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HVAC Heating and Air Maintenance Efficiency and Energy Costs

The importance of HVAC maintenance is crucial to efficiency as well as proper operation of your HVAC Heating and Air Conditioning system(s). Your HVAC equipment is designed to run efficiently, but requires clean air as well as clean parts to accomplish this. Most people understand that air filters need to [...]

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My Heat Pump will not turn on, How to troubleshoot before calling a professional

If your heat pump will not operate or turn on there are a few things to check before calling your service provider or HVAC specialist. Sometimes the problem is not the heat pump itself, but perhaps the thermostat. First, it can be helpful to check your heat pump manual. If [...]

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Choosing the Best Air Filter for Your Home

Replacing your air filter is one of the small things you can do that can greatly affect the quality of air inside your home, choosing the right air filter is very important. Since many illnesses are associated with airborne contaminants, indoor air quality is a very important consideration. There are [...]

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The High Cost of Heating with Propane

Propane Heat, Propane is a fuel made from natural gas or petroleum. It is a gas in it’s natural form, but is converted to liquid form in order to more easily store and utilize. Forty eight million households in the United States have something that runs on propane, whether [...]

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