The question isn't whether you need Furnace Repair service in Dover, NH — it's which contractor you trust to do it right. FH HVAC's answer: a written quote before we start, a NH-licensed technician at your door fast, and a 90-day guarantee documented on every invoice.

The Furnace Repair contractor market in Dover, NH has a real accountability problem. Most homeowners have experienced it: verbal estimates, inconsistent technician quality, invoices that surprise them.
FH HVAC operates on a different standard in Dover, 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 Dover, NH right now.
Your HVAC system quit in Dover, 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. Most Dover, NH emergency calls resolve on the first visit. Written quote before we start — always.
Dover, NH Emergency: +1-844-586-3138From a full system replacement to a targeted repair in your Dover, NH home, our residential technicians don't guess system size. 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 Dover, NH home serviceCommercial HVAC failure in Dover, NH costs more than discomfort — it costs you customers, productivity, and sometimes compliance. We handle rooftop units, VRF systems, large split systems, and ongoing maintenance agreements for Dover, NH commercial properties, scheduled around your business operations. Priority response for commercial service agreement clients.
Commercial HVAC in Dover, NHYour Dover, 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.
Air quality service in Dover, NHMore Dover, NH homeowners are choosing heat pumps and ductless systems for additions, garages, and conversions where running ductwork through existing walls isn't practical. Our Dover, NH technicians are factory-trained on all major brands — Mitsubishi, Daikin, Fujitsu, LG, Bosch — and handle everything from initial installation through refrigerant service.
Heat pump service in Dover, NHThe Dover, 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.
Maintenance plan in Dover, NHFour steps. No surprises. That's the whole model.
Real person answers. Not voicemail. Dispatch starts immediately from a position close to Dover, NH.
We dispatch from a position close to Dover, NH — average on-site time under 60 minutes in most Dover, NH markets. Every credential verified before they arrive at your door.
You get the full cost in writing before anything begins in Dover, 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 Dover, NH.
What you approve is what you pay. Always. No post-job surprises in Dover, NH.
NH license, general liability, and workers' comp — all current, all documented, available on request for any Dover, NH job.
We maintain staffing close to Dover, NH so average on-site time stays under 60 minutes, even when demand is high.
Every Dover, NH repair we complete carries a 90-day parts and labor guarantee printed on your invoice. If it fails, we return at no charge — no debate required.
Calling +1-844-586-3138 at 2 AM in Dover, NH gets a person who routes a technician immediately.
"Before I gave anyone access to my home in Dover, NH, I asked for documentation. FH HVAC was the only contractor who had it ready without hesitation."
— Dover, NH homeowner, new system installation"Called FH HVAC in Dover, 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 Dover, NH."
"Dover, 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."
"Two years on the maintenance plan in Dover, NH. At the spring tune-up this year they found a slow refrigerant leak in my evaporator coil. Caught and fixed at the maintenance pricing. That would have been an emergency call in August at double the cost."

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