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

If you've ever called an HVAC company in Stonington, CT 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 Stonington, CT is locally positioned, CT 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 Stonington, CT.
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 Stonington, CT — licensed, insured, guaranteed.
If your HVAC system just stopped working in Stonington, CT, you don't have time for voicemail or a 48-hour wait list. Calling +1-844-586-3138 connects you to a live Stonington, CT dispatcher immediately. A licensed technician gets rolling toward your address with an ETA before you hang up. Our trucks carry the most common repair parts for Stonington, CT's prevalent HVAC systems, so we resolve most Stonington, CT emergency calls without a return trip. Your written quote comes before we start — always.
Stonington, CT Emergency Dispatch: +1-844-586-3138 →From a full new installation in your Stonington, CT 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 Stonington, CT. Every new installation starts with a Manual J load calculation. Skip it and you end up with an oversized system that short-cycles and wears out early. All major brands serviced. All CT permits handled.
Book Stonington, CT Home Visit: +1-844-586-3138 →For businesses in Stonington, CT, 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 Stonington, CT. We work around your schedule.
Stonington, CT Commercial Service: +1-844-586-3138 →Your air quality in Stonington, CT 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 Stonington, CT's specific conditions. If someone in your Stonington, CT household manages asthma or allergies, improving indoor air quality is one of the most direct improvements available.
Stonington, CT Indoor Air Quality: +1-844-586-3138 →Heat pump and ductless mini-split installations in Stonington, CT have picked up significantly as homeowners see the efficiency and dual-season benefits. When you're adding conditioned space in Stonington, CT 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.
Stonington, CT Ductless & Heat Pump: +1-844-586-3138 →The Stonington, CT 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.
Stonington, CT Service Plan Details: +1-844-586-3138 →


No surprises. No mystery. This is exactly what happens when you call FH HVAC in Stonington, CT.
A live dispatcher answers in Stonington, CT — day or night, weekends, holidays. Your location is logged and dispatch starts immediately.
The nearest CT-licensed technician is routed to your address. Your ETA is confirmed before you hang up — average is under 60 minutes in most Stonington, CT locations.
You get the full price in writing before anything starts. No surprises after the work is done.
The job gets done right and backed by a 90-day parts and labor guarantee. Call us back within 90 days for any covered issue and we return free.
Stated as policies, not promises — because promises without systems are just marketing.
We don't quote jobs verbally in Stonington, CT. Your approved written quote is your guaranteed price in Stonington, CT — no exceptions.
Our technicians are staged near Stonington, CT — 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.
Stonington, CT licensing, liability coverage, NATE cert, EPA 608. Documentation available before any Stonington, CT job.
90 days. Parts and labor. No argument. The guarantee appears on your invoice because verbal assurances aren't guarantees.
We staff live dispatchers around the clock in Stonington, CT specifically because HVAC emergencies don't ask permission. Your ETA is confirmed before the call ends.
Stonington, CT 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 Stonington, CT 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 Stonington, CT 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 Stonington, CT 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.

Don't sit with a broken system in Stonington, CT waiting on a callback that may or may not come. Call +1-844-586-3138 right now and speak to a live dispatcher who will get a licensed tech to your door fast.
📞 +1-844-586-3138 — Hvac in Stonington, CT, 24/7