4.5 
152 *The Angi rating for Heating And Air Conditioning Service companies in Princeton, MA 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 Princeton, MA 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 August 26, 2026
Serving Princeton, MA and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Small jobs welcome
"Professional & courteous. Looked & checked at every component of the AC unit."
Serving Princeton, MA and surrounding areas
Approved
In business since 2014
Free estimates
Emergency services offered
"Prompt response from initial quote request to showing up to do the work. Work was explained prior to start and any questions that I asked during the cleaning were professionally answered."
Serving Princeton, MA and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Emergency services offered
"Great !! Gabriel was on time and went right to work. He took pictures of duct work before and after. He supplied my wife and I N95 masks to wear during the cleaning keeping us safe. Gabriel was a true professional."
+2
Serving Princeton, MA and surrounding areas
Approved
Super Service Award Winner
In business since 1999
Free estimates
Emergency services offered
"Duct Kings came to clean out a dryer vent. They were very quick with their work and did a great job. They even documented the job with before and after pictures and videos which we appreciated. I would highly recommend if you're looking for a fast and reliable duct company"
Serving Princeton, MA and surrounding areas
Approved
In business since 2021
Free estimates
Customers say: Quick response
"Thought something was wrong with my Hvac system. Kero hvac called me and came out the next day. He was very honest and gave me great recommendations for my system. I would definitely recommend!"
Serving Princeton, MA and surrounding areas
Approved
In business since 2005
Free estimates
Offers commercial services
"The staff at NEQAS provided a high quality of service and professionalism. They gave clear explanations and expectations of the work that need to be done in order to get the best air flow. The work was completed at the set timeline and the quality of care for our home was a top priority. They also gave us advice for care and future maintenance. Thank you for your service and we would recommend NEQAS for duct work to anyone."
+6
Serving Princeton, MA and surrounding areas
Approved
Super Service Award Winner
In business since 2008
Emergency services offered
Warranties offered
"Ray and his team replaced both of my 20 year old HVAC units and did a great job. Ray listened to my requirements and proposed HVAC units best suited for the attic and basement. Very happy having the same temperature throughout the house."
+50
Serving Princeton, MA and surrounding areas
Approved
In business since 2008
Emergency services offered
Warranties offered
"Excellent service. They are now my new HVAC contractor."
+52
Serving Princeton, MA and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"The company was extremely professional in terms of using the hose properly .They did everything in a timely manner. Very clean and efficient work! Excellent customer service all around!"
Serving Princeton, MA and surrounding areas
Approved
In business since 2012
Free estimates
Emergency services offered
"Damien was able to schedule the annual/preventative maintenance on my gas boiler to meet my scheduling needs. Damien arrived on time, performed the needed service within the time and cost quoted, and educated me on the condition of my boiler. I would recommend Damien without hesitation."
+32
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