Finding a reliable Hvac Maintenance contractor in Newmarket, NH is harder than it should be. FH HVAC makes the standard clear: written pricing, active NH licensing, live dispatch 24/7, and a 90-day parts and labor guarantee on every job.

If you've dealt with contractors in Newmarket, NH who gave you a verbal estimate and handed you an invoice that didn't match — or sent someone who clearly wasn't NH licensed — you know exactly why the bar feels low in this market.
FH HVAC operates on a different standard in Newmarket, NH. Every technician we send holds an active NH license, NATE certification, and a current EPA 608 refrigerant credential. Every quote is written and itemized before any work starts. Every completed job carries a 90-day guarantee documented on your invoice. Calling +1-844-586-3138 at any hour connects you to a real person who confirms your ETA before you hang up.

All six services are available in Newmarket, NH — performed by NH-licensed technicians and backed by written pricing and our 90-day guarantee.
System failure in Newmarket, NH doesn't wait for business hours. A live dispatcher at +1-844-586-3138 routes the nearest NH-licensed tech to your location and gives you an ETA before you hang up. Most Newmarket, NH emergency calls resolve on the first visit. Written quote before we start — always.
Newmarket, NH Emergency: +1-844-586-3138Whether your Newmarket, NH home needs a new system or a specific repair, our residential team starts with the Manual J load calculation that determines what your home actually needs. Skipping this step is how contractors install wrongly sized systems that fail in 10 years instead of lasting 20. All NH permits pulled. Parts and labor both warranted.
Schedule Newmarket, NH home serviceA failed HVAC system in your Newmarket, NH office, retail location, or commercial facility means real money lost. Our commercial team handles rooftop units, large split systems, VRF and chiller work across Newmarket, NH — coordinated around your operating hours to minimize disruption. Priority response for commercial service agreement clients.
Commercial HVAC in Newmarket, NHYour Newmarket, NH home's indoor air quality challenges depend on local seasonal patterns. We install HEPA filtration upgrades, UV germicidal systems, dehumidifiers, humidifiers, and ERVs configured for this region's conditions. Most impactful for households managing asthma or recurring respiratory conditions.
Indoor air quality: +1-844-586-3138Heat pump and ductless mini-split demand in Newmarket, NH has grown as homeowners understand the efficiency and versatility advantages. Factory training across all major brands means we handle the full job in Newmarket, NH, from installation through annual efficiency checks.
Ductless install: +1-844-586-3138Consistent preventive maintenance is the single biggest factor in how long an HVAC system lasts — and most Newmarket, NH homeowners underinvest in it. Two tune-ups annually, priority dispatch year-round, 15% off parts and labor, refrigerant checks, coil cleaning, and a written condition report every visit.
Maintenance plan in Newmarket, NHFour steps. No surprises. That's the whole model.
A live dispatcher picks up in Newmarket, NH — day or night, no exceptions. Not a bot. Not a callback queue. A real person who confirms your ETA before you hang up.
The nearest NH-licensed technician is routed to your Newmarket, NH address. Every credential verified before they arrive at your door.
After diagnosing your system in Newmarket, NH, your technician hands you a written, itemized quote. The number you sign is the number on your invoice. We never add charges after work is complete.
90 days, parts and labor, documented. If it fails within the window, we return at no charge.
Operating standards, not slogans. Everything on this list is policy at FH HVAC in Newmarket, NH.
Verbal estimates in Newmarket, NH that change by invoice are how contractors exploit homeowners who don't know to ask. We give you a written quote first. Itemized, signed, and binding before we begin.
NH license, general liability, and workers' comp — all current, all documented, available on request for any Newmarket, NH job.
Regional technician positioning throughout Newmarket, NH keeps response times under 60 minutes in most markets — including during peak summer and winter demand.
The guarantee is on the invoice. 90 days, parts and labor. Not a handshake — a documented commitment.
Not voicemail. Not a bot. A live dispatcher who confirms your ETA before the call ends.
"Before I gave anyone access to my home in Newmarket, NH, I asked for documentation. FH HVAC was the only contractor who had it ready without hesitation."
— Verified customer, Newmarket, NH"Called FH HVAC in Newmarket, NH on a Saturday afternoon, had a tech at the door in under an hour, written quote before they started, invoice matched the quote exactly. I've never had an easier contractor experience in Newmarket, NH."
"Our business in Newmarket, NH had an HVAC failure during a client event. I didn't think anyone would respond that fast on a Friday evening. FH HVAC had a commercial technician there in 50 minutes, diagnosed and fixed within two hours. Nothing we planned had to be cancelled."
"The FH HVAC maintenance plan in Newmarket, NH found a developing refrigerant leak at our annual spring check. They fixed it at the plan rate. I did the math — fixing it in July as an emergency would have cost significantly more. The plan pays for itself."

Don't sit with a broken system in Newmarket, NH while waiting on a contractor who may or may not show up. Call +1-844-586-3138 — a real dispatcher picks up, routes the nearest tech, and gives you an ETA before you hang up.
📞 +1-844-586-3138 — Hvac Maintenance in Newmarket, NH