Finding a reliable Hvac Repair contractor in Old Greenwich, CT is harder than it should be. FH HVAC makes the standard clear: written pricing, active CT licensing, live dispatch 24/7, and a 90-day parts and labor guarantee on every job.

If you've dealt with contractors in Old Greenwich, CT who gave you a verbal estimate and handed you an invoice that didn't match — or sent someone who clearly wasn't CT licensed — you know exactly why the bar feels low in this market.
When you call FH HVAC in Old Greenwich, CT, you get a CT-licensed technician with NATE certification and EPA 608 credentials. Your quote is in writing before we start. Your guarantee is on your invoice. Calling +1-844-586-3138 at any hour connects you to a real person who confirms your ETA before you hang up.

Licensed, insured, and guaranteed. Every service below is available in Old Greenwich, CT right now.
Your HVAC system quit in Old Greenwich, CT and you need someone right now. Calling +1-844-586-3138 connects you to a live dispatcher who routes a CT-licensed technician toward your address immediately — not a callback promise. Our trucks carry the parts most common in Old Greenwich, CT's HVAC systems, so first-visit repairs are the standard, not the exception.
Emergency line in Old Greenwich, CTFrom a full system replacement to a targeted repair in your Old Greenwich, CT home, our residential technicians don't guess system size. Every installation starts with a proper Manual J load calculation — the step that prevents the common mistake of oversizing, which causes short-cycling and early system failure. All CT permits pulled. Parts and labor both warranted.
Schedule Old Greenwich, CT home serviceCommercial HVAC failure in Old Greenwich, CT costs more than discomfort — it costs you customers, productivity, and sometimes compliance. Our commercial team handles rooftop units, large split systems, VRF and chiller work across Old Greenwich, CT — coordinated around your operating hours to minimize disruption. Priority response for commercial service agreement clients.
Old Greenwich, CT commercial pricingIndoor air quality in Old Greenwich, CT is affected by the specific seasonal conditions here — humidity patterns, allergen load, and how airtight homes tend to be in this climate. FH HVAC installs and services HEPA filtration, UV germicidal systems, humidity control equipment, and ERVs matched to Old Greenwich, CT's specific climate demands. Most impactful for households managing asthma or recurring respiratory conditions.
Indoor air quality: +1-844-586-3138More Old Greenwich, CT homeowners are choosing heat pumps and ductless systems for additions, garages, and conversions where running ductwork through existing walls isn't practical. Our Old Greenwich, CT technicians are factory-trained on all major brands — Mitsubishi, Daikin, Fujitsu, LG, Bosch — and handle everything from initial installation through refrigerant service.
Heat pump service in Old Greenwich, CTConsistent preventive maintenance is the single biggest factor in how long an HVAC system lasts — and most Old Greenwich, CT homeowners underinvest in it. Our Old Greenwich, CT maintenance plan includes two full tune-ups per year, priority scheduling during peak season, a 15% discount on any repair parts and labor, and a written condition report after every visit.
Maintenance plan in Old Greenwich, CTFour steps. No surprises. That's the whole model.
A live dispatcher picks up in Old Greenwich, CT — day or night, no exceptions. Not a bot. Not a callback queue. A real person who confirms your ETA before you hang up.
The nearest CT-licensed technician is routed to your Old Greenwich, CT address. Background-checked, NATE certified, EPA 608 credentialed.
After diagnosing your system in Old Greenwich, CT, your technician hands you a written, itemized quote. The number you sign is the number on your invoice. We never add charges after work is complete.
90 days, parts and labor, documented. If it fails within the window, we return at no charge.
Operating standards, not slogans. Everything on this list is policy at FH HVAC in Old Greenwich, CT.
What you approve is what you pay. Always. No post-job surprises in Old Greenwich, CT.
CT license, general liability, and workers' comp — all current, all documented, available on request for any Old Greenwich, CT job.
Regional technician positioning throughout Old Greenwich, CT keeps response times under 60 minutes in most markets — including during peak summer and winter demand.
Every Old Greenwich, CT repair we complete carries a 90-day parts and labor guarantee printed on your invoice. If it fails, we return at no charge — no debate required.
Calling +1-844-586-3138 at 2 AM in Old Greenwich, CT gets a person who routes a technician immediately.
"I asked for proof of CT licensing before letting anyone in. Two contractors couldn't produce it. FH HVAC sent documentation in under two minutes."
— Verified customer, Old Greenwich, CT"I've dealt with three other HVAC contractors in Old Greenwich, CT in the past two years. Every one had some billing issue, some miscommunication, some problem. FH HVAC showed up fast, gave me a written quote, and billed me exactly that amount. This should be the standard."
"Our business in Old Greenwich, CT had an HVAC failure during a client event. I didn't think anyone would respond that fast on a Friday evening. FH HVAC had a commercial technician there in 50 minutes, diagnosed and fixed within two hours. Nothing we planned had to be cancelled."
"Two years on the maintenance plan in Old Greenwich, CT. At the spring tune-up this year they found a slow refrigerant leak in my evaporator coil. Caught and fixed at the maintenance pricing. That would have been an emergency call in August at double the cost."

Don't sit with a broken system in Old Greenwich, CT while waiting on a contractor who may or may not show up. Call +1-844-586-3138 — a real dispatcher picks up, routes the nearest tech, and gives you an ETA before you hang up.
📞 Call +1-844-586-3138 — Old Greenwich, CT Live Dispatch