A broken HVAC system in Portsmouth, NH isn't a someday problem. FH HVAC dispatches a certified local tech with upfront pricing and a real ETA within minutes of your call.

If you've ever called an HVAC company in Portsmouth, 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 Portsmouth, 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 Portsmouth, NH homes and businesses.
Our written quote comes before work starts. Our 90-day guarantee is on every invoice. Simple, consistent, and we've held to it since day one.
Every service below is on the table for Portsmouth, NH — licensed, insured, guaranteed.
If your HVAC system just stopped working in Portsmouth, NH, you don't have time for voicemail or a 48-hour wait list. Calling +1-844-586-3138 connects you to a live Portsmouth, 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 Portsmouth, NH's prevalent HVAC systems, so first-visit fixes are the norm.. Your written quote comes before we start — always.
Emergency Line in Portsmouth, NH: +1-844-586-3138 →From a full new installation in your Portsmouth, NH home to a targeted repair on an older system, our residential team brings the right tools and the right knowledge of the systems common in this market. We never guess system size in Portsmouth, NH. Every new installation starts with a Manual J load calculation. Getting this wrong means a system that cycles constantly and fails years ahead of schedule. All major brands serviced. All NH permits handled.
Portsmouth, NH Home Service: +1-844-586-3138 →For businesses in Portsmouth, NH, HVAC failure means more than discomfort. Depending on your industry, it can mean health code violations, cancelled appointments, or closed doors. FH HVAC's commercial team handles rooftop units, large split systems, VRF and chiller work, and ongoing maintenance agreements for commercial properties throughout Portsmouth, NH. We work around your schedule.
Portsmouth, NH Commercial Service: +1-844-586-3138 →Your air quality in Portsmouth, 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 Portsmouth, NH's specific conditions. If someone in your Portsmouth, NH household manages asthma or allergies, improving indoor air quality is one of the most direct improvements available.
Air Quality Service in Portsmouth, NH: +1-844-586-3138 →More Portsmouth, NH homeowners are choosing heat pumps and ductless systems for their versatility and long-term efficiency. When you're adding conditioned space in Portsmouth, NH without an existing duct system, ductless is usually the cleanest solution. Our technicians are factory-trained on all major brands and can handle everything from initial installation through refrigerant service and annual performance checks.
Heat Pump Service in Portsmouth, NH: +1-844-586-3138 →Maintenance plan members in Portsmouth, 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. The avoided emergencies alone usually justify the plan within the first season.
Maintenance Plan in Portsmouth, NH: +1-844-586-3138 →


From your first call to a fixed system — here's what to expect from FH HVAC in Portsmouth, NH.
A live dispatcher answers in Portsmouth, NH — day or night, weekends, holidays. Your location is logged and dispatch starts immediately.
The nearest NH-licensed technician is routed to your address. Most Portsmouth, NH customers have a tech on-site in under an hour.
After diagnosis, your Portsmouth, NH technician hands you a written, itemized quote. Nothing begins until you've reviewed and approved it.
The job gets done right and backed by a 90-day parts and labor guarantee. If it fails within the window, we come back at no charge.
Stated as policies, not promises — because promises without systems are just marketing.
We don't quote jobs verbally in Portsmouth, NH. Your approved written quote is your guaranteed price in Portsmouth, NH — no exceptions.
Our technicians are staged near Portsmouth, 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.
Portsmouth, NH licensing, liability coverage, NATE cert, EPA 608. All current, all on file, all available to review before any job starts in Portsmouth, NH.
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 Portsmouth, NH gets a person, not a machine. Dispatch is confirmed, not promised.
When demand peaks in Portsmouth, NH and general wait times stretch out, plan members have reserved slots. Plus a 15% discount on any repair parts and labor, all year.
"Called FH HVAC in Portsmouth, 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."
"Our Portsmouth, NH shop HVAC died during our busiest week. FH HVAC commercial team showed up fast, diagnosed accurately, had the part on the truck. Back to normal temperature before it cost us customers. Honest pricing on top of everything."
"Two years on the FH HVAC maintenance plan in Portsmouth, NH. They caught a slow refrigerant leak at the spring tune-up. That one catch saved me an August emergency repair at full price. The plan has been worth it three times over."

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