4.5 
564 *The Angi rating for Heating And Air Conditioning Service companies in Chillum, 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 Chillum, 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 November 21, 2025
Serving Chillum, MD and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"Found a simple solution to what I thought was a major HVAC problem that would have otherwise led me to replace the unit. Would definitely hire again."
Serving Chillum, MD and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
"I HIGHLY RECOMMEND HVAC Superior Solutions Inc!! They came over to diagnose my AC problem on very short notice. I decided to get a whole new system and they took great care in all the details and worked overtime to get the job completed. I am very satisfied with the new system and with the great customer service."
Serving Chillum, MD and surrounding areas
Approved (Corporate)
In business since 2000
Free estimates
Credit card accepted
"I had a great experience with McCarthy. They entertained the other offers I had for HVAC replacement, agreed to what felt like a very fair price and did a great job the next day doing the replacement. I'd highly recommend them to anyone for HVAC work."
Serving Chillum, 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 Chillum, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2010
Free estimates
Emergency services offered
"HVAC replacement was reasonable and installation was timely"
+118
Serving Chillum, MD and surrounding areas
Approved (Corporate)
In business since 1903
Emergency services offered
Warranties offered
"I AM BUYING A HEATER SERVICE CONTRACT FROM PETRO THIS YEAR."
Serving Chillum, MD and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
"USA HVAC Services arrived on time. Professional, knowledgeable and efficient!!! Price was reasonable for the work done."
+7
Serving Chillum, MD and surrounding areas
Approved
In business since 1967
Free estimates
Emergency services offered
"Very professional and well informed. Educated me on my HVAC and how to maintain it.
"
+13
Serving Chillum, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2017
Free estimates
Credit card accepted
"It was a great service. They did thorough cleaning of all vents and dryer ducts. They were very professional. They showed before and after pictures."
+12
Serving Chillum, MD and surrounding areas
Approved
In business since 2006
Free estimates
Emergency services offered
"Edwin was very polite, courteous, and responsive. His price for the work was excellent, and he was flexible with working with my schedule. I would highly recommend him to anyone looking for HVAC service."
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