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.
Every tech FH HVAC dispatches in Old Greenwich, 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 Old Greenwich, CT.
Our written quote comes before work starts. Our 90-day guarantee is on every 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. We dispatch the nearest available tech and confirm arrival time before the call ends. 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. We never guess system size in Old Greenwich, 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.
Old Greenwich, CT Home Service: +1-844-586-3138 →A broken HVAC system in your Old Greenwich, CT office, restaurant, or retail space translates directly to lost productivity or lost revenue. 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 Old Greenwich, CT. We work around your schedule.
Old Greenwich, CT Commercial Service: +1-844-586-3138 →Old Greenwich, CT residents deal with indoor air quality challenges that depend on the season — high humidity in summer, dry air in winter, allergens and dust year-round. FH HVAC installs and services HEPA filtration upgrades, whole-home UV germicidal systems, dehumidifiers and ERVs configured for Old Greenwich, CT's specific conditions. The impact on respiratory health is measurable and consistent for households that make this upgrade.
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 service everything from installation to seasonal efficiency verification.
Heat Pump Service in Old Greenwich, CT: +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.
Old Greenwich, CT Service Plan Details: +1-844-586-3138 →


From your first call to a fixed system — here's what to expect from 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.
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 Old Greenwich, CT. Your approved written quote is your guaranteed price in Old Greenwich, CT — no exceptions.
Proximity to Old Greenwich, CT is intentional, not accidental. Even when everyone's calling in Old Greenwich, CT, we maintain sub-60-minute response in most locations.
Active CT license. General liability. Workers' comp. NATE certification. EPA 608. All current, all on file, all available to review before any job starts in Old Greenwich, CT.
90 days. Parts and labor. No argument. It's on the invoice because a promise without documentation isn't worth much.
Calling +1-844-586-3138 at 2 AM in Old Greenwich, CT gets a person, not a machine. Dispatch is confirmed, not promised.
Old Greenwich, 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 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."

Don't sit with a broken system in Old Greenwich, 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 — Ductwork Repair in Old Greenwich, CT, 24/7