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Same Day Service

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Why Choose Dan's Air?

Our dedication to providing you with the best possible Air Conditioning & Heating Services Maryland has to offer.

Service to Montgomery, Frederick, Howard, and Carroll Counties

Need Service Soon? View Our Technician Availability in Real Time!

Air Conditioning Repair & HVAC Repair Services in Frederick, MD

Providing Residential HVAC Services for over 25 Years

Dan’s Air is a family-owned and operated Air Conditioning & Heating Service Company serving residential customers in Maryland. 

You can count on our professional service staff  to provide you with friendly and professional HVAC repair and maintenance services 7 days a week 365 a year. 

Choose us and we’ll respect your family, your home, and provide you with a fair price with all of our Heating and air conditioning services.

Our service vehicles are kept fully stocked for your convenience and most repairs are completed right on the spot.

If your in need of Heating and air conditioning services, consider Dan’s Air.

Are you Ready to schedule? Fill out Our Service Request form or Call 301-712-9530.

Serving Maryland

Maryland communities Have counted on Dan's Air for more than 25 Years! Our service area includes Montgomery, Frederick, Howard & Carroll Counties.

Same Day Service

Most AC Repairs are completed on the first visit to your home. Should we need a part that is not on our service vehicle, many times we still coordinate to complete the repair the same day.

We offer 24 hour Emergency A/C Repair Services in MD

Your heating and A/C system wont stop working at a time that is convenient, so when you require service, we’re here to help.

Luckily most breakdowns that occur are not that serious and are easily repaired. Our Service Technicians are well equipped to handle most repairs, and most are taken care of the same day.  

If you would rather wait for service until the following day, you can secure a time and Schedule HVAC Service by accessing our Real time schedule.


A Summary of Our Heating and Air conditioning Services

We Services all Brands of residential furnaces, air conditioners and Heat pumps

We provide maintenance services, repairs and new installations for all residential gas furnaces including forced air natural gas, forced air propane, high efficiency 90 plus, 80 percent efficient induced draft, as well as standing pilot gas furnaces. We also provide carbon monoxide safety testing, complete combustion analysis as well as burner tune-ups before each heating season.

We provide maintenance and cleaning services, repairs and new installations for all residential air conditioners including split systems,  wall mounted package units, geothermal systems and ductless mini splits.

We provide maintenance, repair and installation services for heat pump systems including conventional split systems, package wall mounted systems, geothermal heat pumps as well as ductless mini split heat pump systems.

We service, maintain, repair and install air handlers for air conditioning and heating systems in conjunction with heat pump systems, straight electric heat as well as straight air conditioning systems. We also service the auxiliary heaters that are usually internal to most air handlers.

We service, repair, install and provide maintenance for ductless mini split air conditioners and heat pump systems including Mitsubishi, Sanyo, Daikin, Fujitsu and LG.

Our Indoor Air Quality HVAC Services

We service & install humidifiers, air cleaners and air purifiers

We install, repair and provide maintenance for residential whole house humidifiers. Types include Power, bypass as well as steam humidifiers. We also service humidifier controls and humidistats. We carry most replacement water panels for most brands of humidifiers including aprilaire, Honeywell, Carrier, Bryant, Skuttle and General.

We install, Service and provide maintenance for most residential whole house air cleaners including media style and electronic.

Dans air Installs, repairs and maintains ultraviolet lights as well as Air scrubbers.

If your going to spend the money to replace your air conditioning system, be sure to hire a quality HVAC Company for the Installation. 

Dan’s Air has a long track record in quality service and installation.

There are many aspects of a new installation that will determine how long your new system will last. Its no Joke.

Our HVAC Maintenance Plans

Dan's Plan - Air Conditioning & Heating Maintenance Plan

A great way to protect your Heating & Cooling System and ensure the safety of your family is with one of our HVAC Maintenance Plans from Dan’s Air.


Dan’s Plan Platinum is by far our most popular choice as it includes Cleaning and Diagnostic Services that usually should be performed at each service visit. Choose this plan if your system is more than a couple of years old.

Our Gold Heating and Cooling Service Plan is a more economical choice that focuses mainly on Heating and Cooling Inspection and system performance. Choose this plan if you have recently replaced your system and it isn’t old enough to need cleaning. If you just want a proper heating and cooling assessment, this may the choice for you.

Benefits include keeping your family safe, lower utility costs, longer life of your cooling and heating system, and avoid excessive costs on repairs. Also save money on products and services as well as enjoying priority service. Be sure to compare our plans.

Request Service!

Here is a list of Heating & A/C Brands we Service





Aire Ease

















American Standard


General Electric





About Dan's Air - Frederick

Dan’s Air is a family run Residential HVAC Company with Locations in Frederick and Clarksburg Maryland. Our Service area currently includes all of Frederick, Montgomery, Howard as well as Carroll County. See our list of Service Areas as well as Listed communities for more information.

We service all makes and models of air conditioners, and as a matter of fact we’ve been repairing, servicing and providing maintenance for residential customers for over 25 Years.

Dan’s Air has the right people, the correct parts, and the right tools to provide you with quality and skilled AC service that you deserve.

  • We Offer Air Conditiong Service 24 Hours a Day 365 Days a Year
  • Our Trained Technicians "Get the Job Done Right the First Time"
  • We Have Fair Pricing for our HVAC services so that you will call us again!