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Complete Home Services is a Derry, New Hampshire HVAC company serving residential and commercial customers across southern New Hampshire. Its website advertises heating and air-conditioning installation and repair, maintenance, oil heating, mini-splits, water heaters, and radiant-floor heating, while the New Hampshire registry lists its Mechanical Business Entity license MBE1901118 as active. Recent Google reviewers describe furnace, boiler, and air-conditioning repairs completed promptly, including a furnace restored during a snowstorm and an AC condenser repaired during a heat wave. A March 2026 homeowner said Ian diagnosed and replaced a boiler quickly and left the area immaculate; other reviewers praise clean work, reasonable pricing, explanations, and follow-up. A June 2025 customer reported 19 mini-splits installed for new construction and remodeling, with everything working well. There is one specific negative account: a February 2023 reviewer said a call ended abruptly when they asked for more information about work on their house. That older complaint differs from the otherwise positive service accounts, but it is worth asking how inquiries and estimates are handled. The website also advertises water-heater and radiant-floor work alongside HVAC, so confirm which technician and license coverage apply when a project crosses trade boundaries. Complete Home Services looks suited to homeowners seeking heating, cooling, boiler, furnace, AC, or mini-split work in Derry and nearby southern New Hampshire. Before booking, confirm the written scope, equipment and parts, emergency availability, estimate terms, warranty, and the specific licensed professional attached to the job.
We cannot say enough good things about Ian and his team. From the very first call, he went above and beyond. When I initially reached out about our parents’ boiler, Ian showed up the very next day. He was extremely punctual, professional, and quickly diagnosed the issue. Unfortunately, we later realized the boiler needed to be replaced entirely. When I called Ian again, he once again came the very next day without hesitation. He and his team replaced the entire boiler within the same day, and the area was left absolutely immaculate when they were finished. Their workmanship and attention to detail truly stood out. This meant even more to our family because my dad recently had a liver transplant and isn’t able to get around much right now. Ian was incredibly understanding and communicated directly with me to make sure everything was handled smoothly. He worked with us to schedule the replacement quickly the following week so my parents wouldn’t be without heat. As my dad said, Ian and his team are truly excellent at what they do. If we could give this company 100 stars, we absolutely would. We highly, highly recommend them. Thank you again, Ian, for helping our parents during such a difficult time. We truly appreciate you and your business.
Great guys to work with !
Ian came out in the middle of a snowstorm to get our furnace running again, which we were incredibly grateful for. He had it up and running quickly, then came back the very next day with the new parts and fixed it properly right away. He was clean, professional, and made sure not to leave any mess behind. Pricing was reasonable, he showed up exactly when he said he would, and he was friendly and knowledgeable. You can tell he really knows his business. Highly recommend Ian and Complete Home Services — excellent service all around. I will definitely be using them again.
They came to my house and found a way to fix my heating g system when the needed part was obsolete. I truly appreciated them on such a cold day. You cannot than Ian and Jason enough. Cannot go wrong if you need service.
I had an issue with my AC condenser Ian and his team showed up quickly replaced the necessary parts and it was back up and running. They are fairly priced to clean work. I highly recommend them and will use them in the future. Nice job guys.
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1 change recorded — last scanned Sep 14, 2026.