Finding a reliable Hvac contractor in Amherst, 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 Amherst, 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 Amherst, 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. Call +1-844-586-3138 and a live dispatcher picks up — day or night, weekend or holiday.

Licensed, insured, and guaranteed. Every service below is available in Amherst, NH right now.
Your HVAC system quit in Amherst, NH and you need someone right now. Calling +1-844-586-3138 connects you to a live dispatcher who routes a NH-licensed technician toward your address immediately — not a callback promise. Our trucks carry the parts most common in Amherst, NH's HVAC systems, so first-visit repairs are the standard, not the exception.
Emergency line in Amherst, NHWhether your Amherst, 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. Every installation starts with a proper Manual J load calculation — the step that prevents the common mistake of oversizing, which causes short-cycling and early system failure. All NH permits pulled. Parts and labor both warranted.
Book a Amherst, NH technicianCommercial HVAC failure in Amherst, NH costs more than discomfort — it costs you customers, productivity, and sometimes compliance. Our commercial team handles rooftop units, large split systems, VRF and chiller work across Amherst, NH — coordinated around your operating hours to minimize disruption. Priority response for commercial service agreement clients.
Commercial HVAC in Amherst, NHYour Amherst, NH home's indoor air quality challenges depend on local seasonal patterns. FH HVAC installs and services HEPA filtration, UV germicidal systems, humidity control equipment, and ERVs matched to Amherst, NH's specific climate demands. Most impactful for households managing asthma or recurring respiratory conditions.
Air quality service in Amherst, NHHeat pump and ductless mini-split demand in Amherst, NH has grown as homeowners understand the efficiency and versatility advantages. Our Amherst, NH technicians are factory-trained on all major brands — Mitsubishi, Daikin, Fujitsu, LG, Bosch — and handle everything from initial installation through refrigerant service.
Ductless install: +1-844-586-3138The Amherst, NH systems that run reliably for 20 years get maintained twice a year. The ones that fail early usually don't. Two tune-ups annually, priority dispatch year-round, 15% off parts and labor, refrigerant checks, coil cleaning, and a written condition report every visit.
Plan details: +1-844-586-3138No mystery, no fine print. This is the exact process for every Amherst, NH job we take on.
Real person answers. Not voicemail. You get an ETA for Amherst, NH before you hang up.
The nearest NH-licensed technician is routed to your Amherst, NH address. Background-checked, NATE certified, EPA 608 credentialed.
You get the full cost in writing before anything begins in Amherst, NH. 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 Amherst, NH.
What you approve is what you pay. Always. No post-job surprises in Amherst, NH.
Every FH HVAC technician in Amherst, NH carries an active NH contractor license. Ask for documentation before any contractor starts work on your system.
We maintain staffing close to Amherst, NH so average on-site time stays under 60 minutes, even when demand is high.
The guarantee is on the invoice. 90 days, parts and labor. Not a handshake — a documented commitment.
Calling +1-844-586-3138 at 2 AM in Amherst, NH gets a person who routes a technician immediately.
"I asked for proof of NH licensing before letting anyone in. Two contractors couldn't produce it. FH HVAC sent documentation in under two minutes."
— Verified customer, Amherst, NH"I've dealt with three other HVAC contractors in Amherst, NH in the past two years. Every one had some billing issue, some miscommunication, some problem. FH HVAC showed up fast, gave me a written quote, and billed me exactly that amount. This should be the standard."
"Amherst, NH commercial HVAC emergency on a Friday. FH HVAC had someone there fast, correctly diagnosed a failed capacitor, and had the system running before the event was compromised. Exceptional response time for a commercial call."
"The FH HVAC maintenance plan in Amherst, 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."

FH HVAC covers all of Amherst, NH with licensed technicians, written upfront pricing, and live 24/7 dispatch. One call. Real ETA. No runaround.
📞 +1-844-586-3138 — Hvac in Amherst, NH