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

If you've ever called an HVAC company in Grafton, MA 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.
Every tech FH HVAC dispatches in Grafton, MA is locally positioned, MA licensed, NATE certified, and EPA 608 credentialed. They know the HVAC systems common in this market and the seasonal patterns that cause the specific failures we see most often in Grafton, MA.
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.
Every service below is on the table for Grafton, MA — licensed, insured, guaranteed.
Your system quit in Grafton, MA and you need someone right now — not a callback. Calling +1-844-586-3138 connects you to a live Grafton, MA 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 Grafton, MA's prevalent HVAC systems, so we resolve most Grafton, MA emergency calls without a return trip. Your written quote comes before we start — always.
Emergency Line in Grafton, MA: +1-844-586-3138 →From a full new installation in your Grafton, MA 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 Grafton, MA. 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 MA permits handled.
Grafton, MA Home Service: +1-844-586-3138 →For businesses in Grafton, MA, 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 Grafton, MA. We work around your schedule.
Commercial HVAC in Grafton, MA: +1-844-586-3138 →Your air quality in Grafton, MA is shaped by local climate factors that shift across the seasons. FH HVAC installs and services HEPA filtration upgrades, whole-home UV germicidal systems, humidity control equipment, and energy recovery ventilators sized for this climate. The impact on respiratory health is measurable and consistent for households that make this upgrade.
Air Quality Service in Grafton, MA: +1-844-586-3138 →More Grafton, MA homeowners are choosing heat pumps and ductless systems for their versatility and long-term efficiency. When you're adding conditioned space in Grafton, MA 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.
Grafton, MA Ductless & Heat Pump: +1-844-586-3138 →The Grafton, MA maintenance plan customers who call us least often aren't the ones with the newest systems — they're the ones who get tuned up twice a year. The plan covers two annual tune-ups, refrigerant checks, electrical inspection, coil cleaning, priority scheduling, and a 15% parts and labor discount year-round. Members frequently tell us the plan paid for itself on the first avoided repair.
Maintenance Plan in Grafton, MA: +1-844-586-3138 →


From your first call to a fixed system — here's what to expect from FH HVAC in Grafton, MA.
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 Grafton, MA. Most Grafton, MA customers have a tech on-site in under an hour.
You get the full price in writing before anything starts. 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.
Stated as policies, not promises — because promises without systems are just marketing.
We don't quote jobs verbally in Grafton, MA. Your approved written quote is your guaranteed price in Grafton, MA — no exceptions.
Proximity to Grafton, MA is intentional, not accidental. Average on-site time in this market is under 60 minutes, including during peak summer and winter demand.
Active MA license. General liability. Workers' comp. NATE certification. EPA 608. Documentation available before any Grafton, MA job.
If a repair we did in Grafton, MA fails within 90 days, we return and fix it at no charge. It's on the invoice because a promise without documentation isn't worth much.
Calling +1-844-586-3138 at 2 AM in Grafton, MA gets a person, not a machine. Your ETA is confirmed before the call ends.
Grafton, MA maintenance plan customers have dedicated scheduling that doesn't share the general queue. Plus 15% off parts and labor on any repairs caught at service visits.
"Called FH HVAC in Grafton, MA 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 Grafton, MA 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 Grafton, MA 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 service in Grafton, MA. Call +1-844-586-3138 and get a real ETA within minutes.
📞 +1-844-586-3138 — Hvac in Grafton, MA, 24/7