24/7 Emergency Service
Rapid, round-the-clock HVAC repair services for urgent needs. (301) 663-0300

Services

Frederick Air, It’s A Good Callâ„¢
We provide system installation and maintenance services, as well as air quality and energy-saving solutions that aim to prolong the life of systems and make them more efficient.

I Need a New System

I Need a New System

If your system is getting old and seems like it may be reaching the end of its useful life, it’s probably time for a new one.

  • Air Conditioners
  • Heat Pumps
  • Heaters
  • Humidifiers
  • Furnaces
  • Ventilation
Home Energy Audit

Home Energy Audit

A Comfort and Indoor Air Quality Consultant will visit your home and will identify problems that affect your indoor living environment. Your consultant will then provide you with a personalized plan to solve these problems.

  • Initial Consultation
  • Equipment Inspection
  • Insulation Inspection
  • Air Leakage Evaluation
  • Air Flow Diagnosis
  • And More
Indoor Air Quality

Indoor Air Quality

Is your home making you sick? We offer indoor air quality solutions to effectively reduce pollutants and odors. Some of the benefits of good indoor air quality include:

  • Reduced respiratory illnesses
  • Reduced environmental triggers of asthma
  • A better night’s sleep

Repair & Maintenance Services

When Frederick Air services your air conditioning equipment, you can be confident that all repairs are done correctly the first time.

  • Emergency Service / HVAC Repair
  • Preventative Maintenance / Maintenance Agreements
  • Home Performance Evaluation

Need HVAC Financing?

Install Now, Pay Later Learn More

Is it Time to Buy a New System?

Our series, “Secrets to buying an HVAC System,” has the answers to your questions!
What To Expect

Discover The Frederick Air Difference

Extraordinary Customer Service

We go beyond the norm to deliver exceptional care, ensuring each interaction is tailored to your needs for maximum satisfaction and support.

Factory Trained Expert Technicians

Our technicians are trained by the manufacturers, equipping them with the latest knowledge and skills to handle your HVAC needs with utmost precision.

Commercial & Residential Services

Whether it's a large commercial facility or a cozy home, our experienced team provides reliable HVAC services tailored to each setting's unique requirements.

Servicing All Makes & Models

No matter the brand or model of your HVAC system, our versatile experts are ready to ensure its optimal performance and longevity.

Locally Owned & Operated

Being a local business, we understand the specific needs of our community and are committed to providing personalized and responsive service to our neighbors.

24-Hour Emergency Service

Day or night, our emergency service is available around the clock to address any sudden HVAC issues, ensuring your comfort is never compromised.

Extraordinary Customer Service

We go beyond the norm to deliver exceptional care, ensuring each interaction is tailored to your needs for maximum satisfaction and support.

Factory Trained Expert Technicians

Our technicians are trained by the manufacturers, equipping them with the latest knowledge and skills to handle your HVAC needs with utmost precision.

Commercial & Residential Services

Whether it's a large commercial facility or a cozy home, our experienced team provides reliable HVAC services tailored to each setting's unique requirements.

Servicing All Makes & Models

No matter the brand or model of your HVAC system, our versatile experts are ready to ensure its optimal performance and longevity.

Locally Owned & Operated

Being a local business, we understand the specific needs of our community and are committed to providing personalized and responsive service to our neighbors.

24-Hour Emergency Service

Day or night, our emergency service is available around the clock to address any sudden HVAC issues, ensuring your comfort is never compromised.

Reviews

See What Our Clients Say

I have been a customer for over 22 years. Frederick Air always has fast and fair service and installation. I once had an outdoor heat pump unit fail under warranty and they replaced the whole thing with no hassle and no delay! I could not ask for more!

John A.

John A.

We just had a new system installed with Frederick Air. From the first meeting with the utmost professional Comfort Consultant, Fritz Beiter to the end of our installation, we had nothing but a great experience. Lead tech, Austin Fisher was terrific at running the installation and explaining everything to us. He is also very knowledgeable and…

Connie S.

Connie S.

AJ was on time, courteous, thorough, and informative regarding the tasks he performed and what the results meant. He provided options for future solutions including multiple options for humidifying the air and a full system replacement when the time comes. 10/10 would recommend!

Jeremy B.

Jeremy B.

Excellent service and dedication to work, acumen, and experience. I would highly recommend Frederick Air. Great price, product design, and functionality.

Anthony C.

Anthony C.

We contracted with Frederick Air to install a humidifier. All through the process, from consultation through the sale and installation, we received courteous and professional service. Frederick Air exceeded my expectations, and earned my future business.

Ron D.

Ron D.

Our furnace went out during below freezing temperatures. It needed to be replaced asap to get heat in our house. I set up appt in the evening for the next day, and they arrived right on time. They were very polite, professional, and efficient. They figured out what was wrong and had part replaced within the…

Katie H.

Katie H.

I had to have my entire HVAC system replaced in August. I had 3 companies quote the job. Frederick Air explained the what, why and how much more thoroughly than the other 2. The sales rep Dan was great. He wasn't rushed and really explained all my options. The installation team was also great. They moved…

Brian F.

Brian F.

Frederick Air provided a quick response. The technician was very thorough and found the issue. It couldn't be fixed on a 15-year- old furnace. The salesperson was very professional and thorough. He provided several options for us to consider. I highly recommend Frederick Air.

Jeanne W.

Jeanne W.

I was impressed with the entire process, from the first technician to the salesman to the installers, everything was told to me up front. They all were very courteous, professional and knowledgeable! So glad I contacted Frederick Air for my first HVAC issue.

Kay J.

Kay J.

It couldn't have been a better experience. From my first meeting through the installation, every person I encountered was so nice and helpful. The installation started on time, ended on time, and cost exactly what they estimated. Frederick Air seems very communicative and welcoming of feedback as well. I give it the highest recommendation.

Karen K.

Karen K.

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Superior Comfort & Trusted Expertise With Industry-Leading Equipment

  • Ensuring optimal HVAC system performance.
  • Guaranteed satisfaction with our Factory Authorized Dealer commitment.
  • Technicians certified by North American Technician Excellence.
  • Utilizing Factory Authorized Parts for peak efficiency
  • Focused on technical expertise and customer satisfaction.
  • Committed to community and customer comfort enhancement.