The question isn't whether you need Hvac Maintenance service in Old Greenwich, CT — it's which contractor you trust to do it right. FH HVAC's answer: a written quote before we start, a CT-licensed technician at your door fast, and a 90-day guarantee documented on every invoice.

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. Call +1-844-586-3138 and a live dispatcher picks up — day or night, weekend or holiday.

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. Skipping this step is how contractors install wrongly sized systems that fail in 10 years instead of lasting 20. 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 pricingYour Old Greenwich, CT home's indoor air quality challenges depend on local seasonal patterns. 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: +1-844-586-3138Heat pump and ductless mini-split demand in Old Greenwich, CT has grown as homeowners understand the efficiency and versatility advantages. 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.
Ductless install: +1-844-586-3138Consistent preventive maintenance is the single biggest factor in how long an HVAC system lasts — and most Old Greenwich, CT homeowners underinvest in it. Two tune-ups annually, priority dispatch year-round, 15% off parts and labor, refrigerant checks, coil cleaning, and a written condition report every visit.
Plan details: +1-844-586-3138Four 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.
We dispatch from the closest available tech to your Old Greenwich, CT location. Every credential verified before they arrive at your door.
After diagnosing your system in Old Greenwich, CT, your technician hands you a written, itemized quote. Nothing starts until you've reviewed and approved it in writing. What you approve is what you pay.
The job gets done and backed by a 90-day parts and labor guarantee documented on your invoice.
These are the operating commitments behind every Old Greenwich, CT job. Verifiable. Documented.
What you approve is what you pay. Always. No post-job surprises in Old Greenwich, CT.
Every FH HVAC technician in Old Greenwich, CT carries an active CT contractor license. Ask for documentation before any contractor starts work on your system.
We maintain staffing close to Old Greenwich, CT so average on-site time stays under 60 minutes, even when demand is high.
The guarantee is on the invoice. 90 days, parts and labor. Not a handshake — a documented commitment.
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."
— Old Greenwich, CT homeowner, new system installation"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."
"The FH HVAC maintenance plan in Old Greenwich, CT found a developing refrigerant leak at our annual spring check. They fixed it at the plan rate. I did the math — fixing it in July as an emergency would have cost significantly more. The plan pays for itself."

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.
📞 +1-844-586-3138 — Hvac Maintenance in Old Greenwich, CT