4.7 
125 *The Angi rating for Heating And Air Conditioning Service companies in Cornwall, NY 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 Cornwall, NY 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 July 07, 2026
Serving Cornwall, NY and surrounding areas
Approved
In business since 2017
Emergency services offered
Small jobs welcome
"Amazing work! Came right away to fix my boiler so my tenants could have heat. Stayed late to make sure the job was done"
Serving Cornwall, NY and surrounding areas
Approved
In business since 2014
Emergency services offered
Warranties offered
"I wish all businesses were as personable and professional as Hudson Valley HVAC. They have come through for me every time we have ever needed service in our heating or plumbing system. I highly recommend them to anyone who ever needs Air Conditioning, Heating, Plumbing or Water Systems services."
+5
Serving Cornwall, NY and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Free estimates
Emergency services offered
"It went amazing my kids and I have so many allergies specially in this season and it’s so hard when we can’t even feel good at home because of the dust in the air conditioning duct, I have been paying for many services with different companies and it just worked for few weeks until I hired this company and their work exceeded my expectations. Highly recommended. Thank you for the services"
+29
Serving Cornwall, NY and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"SYNC has been taking care of all our Heat and A/C needs for the last year. We have a complex heated floor system which left the other pros in our area dumbfounded. The SYNC crew came in and solved all the issues and wired smart controls without the slightest hesitation. 100% recommend SYNC, true pros!"
+5
Serving Cornwall, NY and surrounding areas
Approved
In business since 2003
Free estimates
Credit card accepted
"Had an oil to lp gas conversion. Needed to replace the boiler, existing hot water tank and remove the oil tank. Joe's Plumbing gave a great price, neat work, honest and easy to work with. The materials were high quality and they finished a head of schedule."
Serving Cornwall, NY and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"Moved heavy boiler up difficult site. Installed in one day. Very professional and patient in detailed explanations of complex zoning issues. Prices are high in Dutchess Co. compared to other areas of NY. I generally think plumbers are a safer bet for a maintenance plan and longer lasting businesses than most HVAC companies."
+22
Serving Cornwall, NY 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 Cornwall, NY and surrounding areas
Approved
In business since 1995
Free estimates
Warranties offered
"We are buying a home and needed to have the HVAC checked once we close on the house this company will be hired. Frank the owner was very responsive and worked with my schedule to inspected the system. Everyone I meet was knowledgeable and professional. I will recommend this company to my friends and family."
Serving Cornwall, NY and surrounding areas
Approved (Corporate)
In business since 1987
Free estimates
Warranties offered
"Alan, the technician, was professional. He took the time to explain what the problem was and also explained what he was doing to fix it. He was very personable and answered all my questions."
+1
Serving Cornwall, NY and surrounding areas
Approved
Super Service Award Winner
In business since 2021
Emergency services offered
Warranties offered
"Clean Air Dream Team company did an excellent job cleaning out my dryer vent. Before them my dryer barely g hot and took forever to dry clothes. After there cleaning my dryer works great. Andri took time to explain everything he did. I will be definitely using this company again. Also I will be recommended them to my family and friends. Thank you so much Clean Air Dream Team."
+17
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