*The Angi rating for Air Conditioning companies in Cornwall, NY 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 Cornwall, NY 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 08, 2026
Serving Cornwall, NY and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Free estimates
Emergency services offered
"The assigned technician, John, was on-time, knowledgeable, provided suggestions, and thorough. Oftentimes, people don’t realize how important this service is. If I were you, I would book AC Air Duct cleaning!"
+29
Serving Cornwall, NY and surrounding areas
Approved
In business since 2017
Emergency services offered
Small jobs welcome
"Angel was cool , kept me updated through text. Took less than an hour to check my a/c system, find the problem and fix. I was very happy with the service and would highly recommend."
Serving Cornwall, NY and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"Excellent work. I had been having issues with my furnace for a long time and many other companies have come and weren't able to fix it, but Sync was. They did an excellent job amd I would recommend them to anyone."
+5
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 (Corporate)
In business since 1903
Emergency services offered
Warranties offered
"The cost was part of a contract. The first time they gave me a window and the window went by that."
Serving Cornwall, NY and surrounding areas
Approved
Super Service Award Winner
In business since 2021
Emergency services offered
Warranties offered
"Very reasonable quote; next day service; Clean Air's service man, Alexis, did professional job and was courteous. In sum, Clean Air was everything one could want in a contractor."
+17
Serving Cornwall, NY and surrounding areas
Approved
In business since 1995
Free estimates
Warranties offered
"Owner of the business (Frank) was terrific. He took time out of his day to call me and discuss the issue I was experiencing with my AC. He was very patient in working with a third party insurance company. He had one of his repair men at my home 18 hours later. The tech was top notch, he had great knowledge of the system and all of the components associated with it. Knew what the issue was within 5 minutes and quickly repaired. Definitely one of the best AC repair experiences I've ever had."
Serving Cornwall, NY and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
"Hired Polar to install a mini split system for our family room and they did a great job! Would absolutely refer them to friends."
+8
Serving Cornwall, NY and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"Dan Rohde came to the house to assess what our needs were, and made a professional evaluation of the proper sizing for our purpose. Other potential providers oversized what we really needed. The installation team of Domingo, AJ, and Dave were extremely professional, solving an interesting challenge of drilling through solid rock to properly route all the lines. Very punctual; did a very clean job. No issues. AC is running well."
+22
Serving Cornwall, NY and surrounding areas
Approved
In business since 2018
Free estimates
Credit card accepted
"New replacement ceiling fans installed in the kitchen and on the attached enclosed porch. Fortunately, two workers arrived to do the work in the two rooms, so the job was done quickly."
From average costs to expert advice, get all the answers you need to get your job done.
When your window AC isn’t cutting it, but central AC is too expensive, installing a new ductless mini-split AC may be the cooling solution you’re looking for. Find out what a mini-split costs and how to hire the right pros to get the job done.
A mini-split allows for zoned cooling, helpful for cooling spaces like garages. Learn the cost to install a mini-split unit in a garage with this guide.
Looking for a new mini-split air conditioning system? Use this guide to mini-split sizes to see how many BTUs you’ll need to heat or cool your home.
Review the disadvantages of mini-split systems as well as the benefits before buying. Review our breakdown of the mini-split pros and cons.
Mini split systems are an energy-efficient option to regulate your house’s temperature. Learn more about how mini splits work to cool or heat your home.
If your mini split air conditioner is showing low refrigerant symptoms, you’ll notice quickly. Learn to identify the signs and decide what to do next.
