*The Angi rating for Air Conditioning companies in Norwalk, 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 Norwalk, 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 April 18, 2026
Serving Norwalk, 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 Norwalk, CT and surrounding areas
Approved
In business since 2002
Free estimates
Emergency services offered
"I was very happy with my experience using this company. In the middle of a heat wave, right before the July 4th holiday, my AC stopped working. The man who installed it and had been servicing it was too busy to come for a week. I called MSD and was given an appointment for 8 AM the next morning. They were prompt and courteous, fixed my problem, and were reasonably priced. I will be calling them in the future."
+1
Serving Norwalk, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Free estimates
Emergency services offered
"I am very happy with AC air ducts cleaning! They told me exactly what they were going to do and how much everything cost. I never had our air ducts cleaned but they made it so easy! Very happy and would happily recommend them!"
+29
Serving Norwalk, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Free estimates
Emergency services offered
"It is located in an area that does not have a straight path to the outside vent. But he managed to keep working and successfully vacuumed the duct."
+38
Serving Norwalk, CT and surrounding areas
Approved (Corporate)
In business since 1989
Free estimates
Emergency services offered
"Kurt, the service tech just completed an Ac tune up and did a great job. He was punctual, polite and courteous. He even put on booties to protect the floors. Great customer service. Highly recommended."
+20
Serving Norwalk, CT and surrounding areas
Approved
In business since 2017
Free estimates
Credit card accepted
"Y and M Air Duct cleaning provided an important service in a way that was transparent and professional. Our house is noticeably cleaner as a result of the service. They were punctual, polite and clean. They did not cut corners and showed me what they were doing and cleaning every step of the way. The world would be better if more contractors had Y and M's work ethic."
Serving Norwalk, CT and surrounding areas
Approved
In business since 1969
Free estimates
Emergency services offered
"I was very happy with my service call today! The repairman, Scott, was knowledgeable and pleasant and wore a mask and gloves throughout., so I felt safe, despite the pandemic. He serviced both of my central air systems and diagnosed the problem with the malfunctioning one and fixed it. By the time he left my house was already a much more pleasant place to be!"
+13
Serving Norwalk, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Emergency services offered
"This was one of the best service experiences I've had. Gabriel was excellent. He was polite, respectful of my home, explained the service thoroughly and answered all my questions. A pleasurable experience from start to finish. Highly recommend. Will be sure to tell friends and family about this service for their air system needs. Thank you!"
+2
Serving Norwalk, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Credit card accepted
"Extremely professional and knowledgeable service. Colby and Eli came out for an estimate on Tuesday and came back Friday for service. We walked through all vents to be cleaned and discussed the antimicrobial treatment. We had just bought the house and the ducts were never cleaned. They individually cleaned 24 vents and treated the system in just a little over 3 hours. They talked us through the whole process and showed plenty of before and after pictures. Would highly recommend!"
+2
Serving Norwalk, CT and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
"Entire house air duct cleaning and sanitation. Very efficient friendly came with masks gloves and bootie shoe covers. Fast and efficient very accommodating."
+29
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