Frederick Air, Inc
3 King Avenue
Frederick, MD 21701
Phone: (301) 663-0300
Fax: 301-662-1042

Business Hours: 8:00am to 5:00pm

Evening and Weekends Available by Appointment

Need a Service Call or New System Installation?

We want to make it affordable and easy to have your HVAC equipment serviced or repaired. Should you need a new AC installation or a new heater, we'll work with you to stay within your budget.

Our knowledgeable staff is ready with the latest information about programs that you can take advantage of to save you money on new heating and cooling equipment for your home.

Call us today to discuss our flexible financing options. Keep your system running in tip-top condition and stay cool and comfortable all year long.

Be sure to print out our Internet coupons where you can find money-saving discounts on products and services.

Save Money On Air Conditioning

Call Us: (301) 663-0300


24 Hour Service

Our friendly technicians are available 24 hours a day for your emergency service needs. Simply give Frederick Air, Inc a call, day or night, and let one of our technicians help you with your problem. We are always here to assist you.

Vote for Frederick Air in the FNP's Best of the Best 2017

Frederick Air | August 31, 2017

From the best romantic restaurants to the best schools, this is your chance to nominate and vote for your local favorites. And we hope you'll choose Frederick Air for Best Heating & Air Company!

We're honored that you chose us as the Best Heating & Air Company for the past two years. Please click here to cast your vote for Frederick Air and let's make it the third year in a row.

The Frederick News Post opened up nominations back in July and they selected the top 5 providers from each category. Voting for your favorite one goes from August 29 - September 10. If you submit at least 60 votes, the FNP will enter you in a sweepstake for another chance to win $250 in a random drawing*.

To vote, you must register by submitting your email address. Once registered, you’ll be signed up to receive newsletters from The Frederick News-Post. You can unsubscribe at any time (or deselect the box prior to submitting your vote.)

The Best of the Best readers’ choice awards will be announced on Oct. 27.


Thank you in advance for your support.

*No purchase is necessary. Limit one entry per e-mail address. All ballots are confidential and the exclusive property of The Frederick News-Post

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