4.5 
646 *The Angi rating for Heating And Air Conditioning Service companies in Fairmount Heights, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Fairmount Heights, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
Last update on February 17, 2026
Serving Fairmount Heights, MD and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
"We are very happy with HVAC service. Compare to other companies they are much cheaper then others and provided quality work/services."
Serving Fairmount Heights, MD and surrounding areas
Approved (Corporate)
In business since 2000
Free estimates
Credit card accepted
"Cozy Heating And Cooling is a local HVAC service contractor located right here in Woodbridge, VA. Since 2018, Cozy Heating And Cooling has provided dependable service and quality repair work in metro areas of DC, MD and VA. We specialize in satisfying all heating and air conditioning needs to ensure maximum comfort with the highest performance standards from employee training to customer care. All of our technicians are fully certified and trained to install and repair the latest HVAC equipment and technology."
Serving Fairmount Heights, MD and surrounding areas
Approved
In business since 1936
Free estimates
Emergency services offered
"Brian and Ray did an outstanding job setting up my new HVAC system. They performed service above and beyond expectations. I would highly recommend McCrea and these individuals looking for high quality HVAC work."
Serving Fairmount Heights, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2010
Free estimates
Emergency services offered
"Prompt, courteous service. Technician was professional and knowledgeableâ ¦troubleshot and repaired hvac same day. I will call on them again if I meed HVAC help."
+118
Serving Fairmount Heights, MD and surrounding areas
Approved (Corporate)
In business since 1903
Emergency services offered
Warranties offered
With over 100 years experience, we know how to keep you comfortable, safe and help you save on energy costs. Our local 24/7 customer service and support means automatic heating oil deliveries and our service response is always fast. We never run out of heating oil plus our pricing and payment plans are designed to help you manage your costs all year round. Experience the Petro difference today!
Serving Fairmount Heights, MD and surrounding areas
Approved
In business since 1967
Free estimates
Emergency services offered
"It was good. They have a lot of options. They did 2 hvac on me. They were professional and on time. They provided a photo of the technician so I knew who was coming"
+13
Serving Fairmount Heights, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2017
Free estimates
Credit card accepted
"Julius has been really helpful and knowledgeable about how HVAC works. He cleaned the system really good and I have no problems at all. Was very professional and thorough with the job; made sure we were well informed of what we having performed and offered services without pressure. Really happy we went with this company. Highly recommend!"
+12
Serving Fairmount Heights, MD and surrounding areas
Approved
In business since 2016
Emergency services offered
Small jobs welcome
"Customer service was communicative but not pushy. The technician, Nelson, was skilled, prompt, knowledgeable and above all else honest. I highly recommend this company and will certainly be contacting them in the future for all of our HVAC repairs and for our system replacement when the time comes."
+66
Serving Fairmount Heights, MD and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Great! He provided additional information, suggesting I install a UV Light Air Purifier to my HVAC system. Which would help eliminate the possibility of mold growing in my vents."
+50
Serving Fairmount Heights, MD and surrounding areas
Approved
In business since 2013
Free estimates
Credit card accepted
"Very good communication, reasonable price, punctual and professional crew, and quality result. C&C cleaned my dryer vent, bathroom vents, and HVAC ducts, and gave me useful info on making my HVAC system more efficient. Would hire again."
+17
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