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Typical your area range for this kind of work, from regional averages — not a quote from Gary Jackson Heating Services. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$5,000 – $11,400
Typical HVAC project around $8,200
Gary Jackson Heating Services describes itself as an HVAC business serving Cheshire County, NH and the Monadnock Region with residential and small commercial service, and says it has over 30 years of experience. Its New Hampshire HVAC licence, MBE1400808, held by Gary Jackson Heating Services, LLC, is active on the state registry. It holds an A+ grade with the Better Business Bureau and a 4.4-star average from 33 Google ratings. A 2025 customer said their AC quit during the first heatwave of the season and, although they were not an existing customer, a technician was out first thing the next morning and had it running by that afternoon. A 2024 customer said the company gave a same-day fix to a heat pump that had been a problem for four years. A 2023 customer said they had the company install a new furnace and tank and that a massive crew explained how everything worked. A 2023 customer who needed a new furnace said Angel answered their questions, especially about financing. A 2022 customer said the company installed a two-zone mini split system, and on a boiler repair visit found two other issues and repaired them as well. A 2026 customer said they had been using the company for 13 years. A 2024 customer said a Rinnai heater the company installed never worked correctly, and that when they reported the problem they were told they would be charged a service call. A 2023 customer said they were refused help in winter under a policy that "if someone else services a unit, Gary Jackson will not service it again." A 2024 customer said the service person missed a scheduled visit after a car accident en route, and that the company then made no effort to reschedule and did not return phone calls. In 2018, a HomeAdvisor customer said the techs found the problem right away, explained it, replaced a part and cleaned the unit.
I have been using Gary Jackson Heating Services for 13 years and have always been extremely pleased. Service is always prompt and friendly no matter the circumstances or day of the week.
I had a great experience with this company last summer when I found out my AC wasn’t working during the first heatwave of the season. Even though I wasn’t an existing customer, they had a technician out first thing the next morning and had it up and running by that afternoon despite some significant obstacles. Couldn’t have asked for better service
They were friendly, prompt, and diagnosed the problem to a complicated system 2000 boiler.
Always wonderful service!!
Gary Jackson and his technician were very thorough and prompt, both in arrival and billing. I have been made aware that my current furnace may be on its last leg and will be saving to replace it when that time comes. Thank you.
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Certified attributes are verified against the public registry. Others are the business's own statement.
1 change recorded — last scanned Oct 18, 2026.
Hybrid water heater install turned out perfect4.4
Baseboard heating installation4.1
Heat repaired four hours after the call4.6