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

If you've ever called an HVAC company in Old Greenwich, 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.
Our Old Greenwich, CT technicians are dispatched from positions close to your neighborhood, hold active CT 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 Old Greenwich, CT 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. That's the whole system. It works because it's simple and we actually follow it.
Every service below is on the table for Old Greenwich, CT — licensed, insured, guaranteed.
If your HVAC system just stopped working in Old Greenwich, CT, you don't have time for voicemail or a 48-hour wait list. Calling +1-844-586-3138 connects you to a live Old Greenwich, 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 Old Greenwich, CT's prevalent HVAC systems, so first-visit fixes are the norm.. Your written quote comes before we start — always.
Emergency Line in Old Greenwich, CT: +1-844-586-3138 →Whether you're replacing a system that finally gave up or dealing with a specific repair in your Old Greenwich, CT 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 Old Greenwich, CT contractors skip to save time and cost. 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.
Old Greenwich, CT Home Service: +1-844-586-3138 →For businesses in Old Greenwich, CT, 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 Old Greenwich, CT. Our commercial jobs are coordinated around your operating hours.
Commercial HVAC in Old Greenwich, CT: +1-844-586-3138 →Your air quality in Old Greenwich, 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, humidity control equipment, and energy recovery ventilators sized for this climate. If someone in your Old Greenwich, CT household manages asthma or allergies, improving indoor air quality is one of the most direct improvements available.
Air Quality Service in Old Greenwich, CT: +1-844-586-3138 →Heat pump and ductless mini-split installations in Old Greenwich, CT have picked up significantly as homeowners see the efficiency and dual-season benefits. For additions, garages, and converted spaces in Old Greenwich, CT where ductwork would mean opening walls, ductless is typically the right call. Our technicians are factory-trained on all major brands and can handle everything from initial installation through refrigerant service and annual performance checks.
Old Greenwich, CT Ductless & Heat Pump: +1-844-586-3138 →The Old Greenwich, 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. 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 Old Greenwich, CT: +1-844-586-3138 →


No surprises. No mystery. This is exactly what happens when you call FH HVAC in Old Greenwich, CT.
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 Old Greenwich, CT. Your ETA is confirmed before you hang up — average is under 60 minutes in most Old Greenwich, 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. 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 Old Greenwich, CT. Every Old Greenwich, CT job starts with a written, itemized quote you sign before work begins.
Our technicians are staged near Old Greenwich, 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.
Old Greenwich, CT licensing, liability coverage, NATE cert, EPA 608. Documentation available before any Old Greenwich, CT job.
If a repair we did in Old Greenwich, CT 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.
We staff live dispatchers around the clock in Old Greenwich, CT specifically because HVAC emergencies don't ask permission. Dispatch is confirmed, not promised.
When demand peaks in Old Greenwich, CT and general wait times stretch out, plan members have reserved slots. Plus 15% off parts and labor on any repairs caught at service visits.
"Called FH HVAC in Old Greenwich, 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 Old Greenwich, 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."
"Two years on the FH HVAC maintenance plan in Old Greenwich, CT. 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 Hvac service in Old Greenwich, CT. Call +1-844-586-3138 and get a real ETA within minutes.
📞 +1-844-586-3138 — Hvac in Old Greenwich, CT, 24/7