Whether your system quit overnight or you've been limping along hoping it'd fix itself, FH HVAC sends a licensed technician to your Amherst, NH address fast — with a written quote and the parts to finish the job.

If you've ever called an HVAC company in Amherst, NH and gotten a runaround about pricing, availability, or what's actually wrong with your system, you know exactly why we built FH HVAC the way we did.
Our Amherst, NH technicians are dispatched from positions close to your neighborhood, hold active NH contractor licenses, and carry NATE certification and EPA 608 credentials. They understand the local building stock, the climate demands specific to this area, and the brands most prevalent in Amherst, NH homes and businesses.
Before we touch anything, you get a written quote. When the job is done, you get a 90-day parts and labor guarantee — documented on the invoice. Simple, consistent, and we've held to it since day one.
All six of these services are available in Amherst, NH, performed by NH-licensed technicians, backed by our written guarantee.
Your system quit in Amherst, NH and you need someone right now — not a callback. Calling +1-844-586-3138 connects you to a live Amherst, NH dispatcher immediately. We dispatch the nearest available tech and confirm arrival time before the call ends. Our trucks carry the most common repair parts for Amherst, NH's prevalent HVAC systems, so we resolve most Amherst, NH emergency calls without a return trip. Your written quote comes before we start — always.
Amherst, NH Emergency Dispatch: +1-844-586-3138 →Whether you're replacing a system that finally gave up or dealing with a specific repair in your Amherst, NH home, the approach is the same. our residential team brings the right tools and the right knowledge of the systems common in this market. For any new installation, we do a proper Manual J load calculation — something many Amherst, NH contractors skip to save time and cost. Getting this wrong means a system that cycles constantly and fails years ahead of schedule. All major brands serviced. All NH permits handled.
Amherst, NH Home Service: +1-844-586-3138 →For businesses in Amherst, NH, HVAC failure means more than discomfort. In food service, it can mean health code complications. In offices, it means people can't work. FH HVAC's commercial team handles rooftop units, large split systems, VRF and chiller work, and ongoing maintenance agreements for commercial properties throughout Amherst, NH. We work around your schedule.
Commercial HVAC in Amherst, NH: +1-844-586-3138 →Your air quality in Amherst, NH is shaped by local climate factors that shift across the seasons. FH HVAC installs and services HEPA filtration upgrades, whole-home UV germicidal systems, dehumidifiers and ERVs configured for Amherst, NH's specific conditions. The impact on respiratory health is measurable and consistent for households that make this upgrade.
Amherst, NH Indoor Air Quality: +1-844-586-3138 →More Amherst, NH homeowners are choosing heat pumps and ductless systems for their versatility and long-term efficiency. When you're adding conditioned space in Amherst, NH without an existing duct system, ductless is usually the cleanest solution. Our technicians are factory-trained on all major brands and service everything from installation to seasonal efficiency verification.
Heat Pump Service in Amherst, NH: +1-844-586-3138 →Maintenance plan members in Amherst, NH consistently have fewer emergency calls than comparable non-plan households. Two full tune-ups per year, priority scheduling when the season peaks and wait times go long, a 15% discount on any repair parts and labor, and a written condition report after every visit. Members frequently tell us the plan paid for itself on the first avoided repair.
Maintenance Plan in Amherst, NH: +1-844-586-3138 →


From your first call to a fixed system — here's what to expect from FH HVAC in Amherst, NH.
Real person. Real-time. Not a bot or a callback queue. Your location is logged and dispatch starts immediately.
We route the closest available tech in Amherst, NH. Most Amherst, NH customers have a tech on-site in under an hour.
After diagnosis, your Amherst, NH technician hands you a written, itemized quote. Nothing begins until you've reviewed and approved it.
Completed and covered — 90 days on parts and labor, documented on your invoice. If it fails within the window, we come back at no charge.
These are operating standards, not taglines.
We don't quote jobs verbally in Amherst, NH. Every Amherst, NH job starts with a written, itemized quote you sign before work begins.
Our technicians are staged near Amherst, NH — not routed from a central depot an hour out. Average on-site time in this market is under 60 minutes, including during peak summer and winter demand.
Amherst, NH licensing, liability coverage, NATE cert, EPA 608. Documentation available before any Amherst, NH job.
90 days. Parts and labor. No argument. The guarantee appears on your invoice because verbal assurances aren't guarantees.
Calling +1-844-586-3138 at 2 AM in Amherst, NH gets a person, not a machine. Dispatch is confirmed, not promised.
Amherst, NH maintenance plan customers have dedicated scheduling that doesn't share the general queue. Plus a 15% discount on any repair parts and labor, all year.
"Called FH HVAC in Amherst, NH on a Saturday with a broken AC in summer weather. Had a real person immediately, tech was at the door in 52 minutes, had the part on the truck, and fixed it that afternoon. Invoice matched the quote exactly. Genuinely the best HVAC service call I've had in years of homeownership."
"We run a small retail shop in Amherst, NH and our HVAC went down on a Tuesday during a sale event. FH HVAC had a commercial tech there within the hour, the issue was a failed contactor, and we were back to normal temperature before we lost foot traffic. The price was exactly what they said. Five stars, no question."
"I've been a FH HVAC maintenance plan member in Amherst, NH for two years. The spring visit caught a developing refrigerant leak in the evaporator coil and fixed it at the tune-up discount. That avoided what would have been an emergency call in August when it finally failed — and August emergency rates are not fun.

You shouldn't have to wait days for Hvac Installation service in Amherst, NH. Call +1-844-586-3138 and get a real ETA within minutes.
📞 +1-844-586-3138 — Hvac Installation in Amherst, NH, 24/7