*The Angi rating for Air Conditioning companies in Derby, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Air Conditioning needs.
*The HomeAdvisor rating for Air Conditioning companies in Derby, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Air Conditioning needs.
Last update on July 21, 2026
Serving Derby, CT and surrounding areas
Approved
In business since 1994
Free estimates
Emergency services offered
"First time customer and we have asthma so need this fixed promptly. Very happy with the service. AC working great now!"
+172
Serving Derby, CT and surrounding areas
Approved
In business since 2017
Free estimates
Credit card accepted
"The Y & M Airduct Service...I will definitely use them in the future. They did an excellent job cleaning the air ducts and the dryer duct in my condo.Thoroughly explained the process and their service options.They were on time and very professional. Very happy with the service and the outcome."
Serving Derby, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Emergency services offered
"Wornderful job from the guys they were on time and left the house in excellent condition after the job was done, will definitely recommend them to my family and friends."
+2
Serving Derby, CT and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
"Had my furnace cleaned. Price was reasonable. The technician was friendly and prompt. Very sstisfied with choice."
+4
Serving Derby, CT and surrounding areas
Approved (Corporate)
In business since 1903
Emergency services offered
Warranties offered
"I contacted a man I had spoken with last year so it was quick, easy, and painless to get set up. I will have them come out next month to do the first cleaning."
Serving Derby, CT and surrounding areas
Approved (Corporate)
In business since 1946
Free estimates
Emergency services offered
"Hl bowman were amazing they fixed the issue very quickly! They do quality work and are very honest. Our ac is working without any issues!!"
+6
Serving Derby, CT and surrounding areas
Approved
In business since 1952
Free estimates
Credit card accepted
"I cannot understate how impressive and utterly reliable the professionals at Air Specialties are. We have been dedicated customers for more than a decade. Their technical expertise has seen us through a few emergencies as well as analyzed, engineered and installed an updated HVAC system when we expanded our homes living space. We have had a service agreement with them for many years. As a result, we are able to maintain one of the critical systems in our homes living space which in turn helps to maintain its value. The technical staff is careful at diagnosing and fixing the various issues that have popped up over the years. I strongly recommend anyone who is intent on keeping their HVAC systems reliably operating do business with Air Specialties! P. Robinson- mid state CR"
Serving Derby, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2021
Emergency services offered
Warranties offered
"We had a great experience with Clean Air Dream Team! They did a very good job cleaning our air ducts and removing the black mold from our vents. They were professional, thorough, and made sure the job was done properly. We’re very happy with the results and would definitely recommend Clean Air Dream Team to anyone who needs their air ducts cleaned. Andre was great!"
+17
Serving Derby, CT and surrounding areas
Approved
In business since 1976
Free estimates
Emergency services offered
"Great techs & back office service. They know their stuff - assisted with the rebates & got the job done timely & cleanly. New heat pump / AC works great, Thanks all -Steve"
+8
Serving Derby, CT and surrounding areas
Approved
In business since 1938
Free estimates
Emergency services offered
"Matt and his team did a fabulous job replacing and installing our oil furnace. He also helped with other issues that we were having with our heating and cooling system for years. Very conscientious, courteous and keeps a the place clean,"
+1
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