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Greater Seacoast HVAC's written history runs from 2022 to 2023, and it splits hard between quick air-conditioning repairs and furnace installs that went wrong. It holds 4.5 stars from 8 Google ratings and 3.4 stars from 19 HomeAdvisor ratings. A 2023 Thumbtack customer named Cody Ward as the founder and owner. A 2023 Google customer who owns a rental property said Cody fixed the AC after a call around 11 AM, before a guest checked in at 3 PM. A 2023 Google customer said Cody replaced a 33-year-old air conditioner, and two days later came back with his assistant, Eric, on July 3 to replace a failed furnace fan motor. A 2023 Google customer said Cody cleaned their furnace. A 2023 HomeAdvisor customer said a furnace Cody installed in an unheated attic needed a fully insulated environment to work, the project stretched over weeks, and a third-party HVAC company later removed the hardware and replaced it with a functioning system. A 2023 Google customer said a new furnace installed in August 2023 shuts down with a loud noise after about two minutes, and that the company would not return multiple calls for service. A 2023 Angi customer said they were charged $245 per pound of R410A refrigerant for 7 pounds. A 2022 Angi customer said they paid a deposit and overnight shipping for an air conditioner part, and the unit was still not fixed by Friday with no response by phone or text.
Sadly, the furnace that Cody installed in our unheated attic required a fully-insulated environment to work properly. The project stretched on over weeks, rather than days, and we were left with a non-functioning system during an early autumn cold snap. Communication with Cody was either unpleasant or nonexistent. Cody eventually suggested a third party HVAC company, Heritage Home Service, to come check out his work. They immediately identified the many problems, removed the hardware and undid the wiring that Cody had installed, and replaced it all with a correct and functioning system. I highly recommend Heritage Home Service.
Installed brand new HVAC system in August 2023. The new furnace does not work (it shuts down with a loud noise after about 2 minutes. No heat. That will not return multiple calls to return for service.
The install went smoothly when it was installed in August 2023. The brand new furnace keeps shutting down after 2 minutes. They will not return phone calls to see what the problem effectively ghosting me and not honoring their warranty.
Follow up service, not existence, company is not honoring with the repairs.
Cody did an amazing job cleaning our furnace. Very polite, quick and professional. Will definitely be using this company again in the future.
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2 changes recorded — last scanned Sep 22, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Greater Seacoast HVAC. 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
After-hours follow-through5.0
Saturday furnace repairs4.0
