4.5 
22 *The Angi rating for Heating And Air Conditioning Service companies in Grantham, NH 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 Grantham, NH 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 February 16, 2026
Serving Grantham, NH and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
"Mike the technician was a pleasure to work with. It took two visits to fix our problem with the AC, but we are very happy customers."
Serving Grantham, NH and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"I had a zone issue with my forced radiant heat system. They were able to quickly diagnose the issue, and came up with a cost effective solution. I highly recommend them to anyone having furnace issues this winter, and they're super friendly!"
Serving Grantham, NH and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
"Very responsive communicators, helpful with advice, seemed to have my best interests in mind. Installers were very courteous, friendly, efficient, and cleaned up beautifully - explained equipment and coordinated well with other contractors involved. Definitely recommend."
+25
Serving Grantham, NH and surrounding areas
Approved
In business since 2008
Free estimates
Warranties offered
"It was awesome. They did the b they did, you know, I mean They did within a week, so within six days they had all they they were here, so that came the 1st day. He gave me a quote right away within 3 h hours so I called all three I called all three of the places you recommended, and this one was the best."
Serving Grantham, NH and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"They prompt and professional, did a great job."
+7
Serving Grantham, NH and surrounding areas
Approved
Free estimates
Offers commercial services
"Gabe showed up when he said he would, completed the project in a timely, efficient and professional manner and was truly a pleasure to work with. I would highly recommend Gabe for any electrical work you need done!"
Serving Grantham, NH and surrounding areas
Approved
In business since 1987
Free estimates
Emergency services offered
"Exchanged messages with Mike to describe work needed, replace an outdoor faucet and shutoff value (previous faucet was leaking). He gave an estimate, reviewed work to be done. Replaced outdoor spigot with a frost-proof spigot, put on new value. Quick test and validation. Professional, efficient and happy with work done! Thank you Mike !"
Serving Grantham, NH and surrounding areas
Approved
In business since 2018
Free estimates
Warranties offered
"They were efficient, friendly, and cost effective."
+55
Serving Grantham, NH and surrounding areas
Approved
Free estimates
Emergency services offered
Small jobs welcome
"I had a great experience with Purifera Cleaning. They showed up on time, were easy to work with, and did an amazing job. My carpets came out looking so much better than I expected, and they took the time to make sure everything was done right. The whole process was smooth from start to finish. I?ll definitely be using them again and would recommend them to anyone looking for a reliable carpet cleaning company."
Serving Grantham, NH and surrounding areas
In business since 2021
Free estimates
Emergency services offered
"Jeff did an excellent job. I could not be happier. He determined the issue and installed new parts and my A/C was up and running during this summer heat wave. He took the time to explain what was going on with the unit and what needed to be fixed. Very friendly and honest. Highly recommended."
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