5 HVAC Repair Contractors in Greenwich, CT
Top-Rated HVAC Repair Contractors in Greenwich
New England Total Energy
“Two hundred forty-three reviewers award this contractor an exceptional 4.9-star average, with multiple customers specifically praising same-day emergency…”
Giuliani Air Conditioning & Heating
“84 reviewers award perfect 5-star scores, with Jack Giudice named directly in three detailed accounts covering thermostat installation, compressor replacement,…”
All HVAC Repair Contractors (5 total)
First String Plumbing, Heating & Cooling
“All 5 reviewers award 5 stars, with 3 explicitly mentioning same-day or 24-hour emergency response. Two…”
HVAC Repair Costs in Greenwich
Typical heating and cooling repair costs in Greenwich, by component.
| Service | Low | Average | High |
|---|---|---|---|
Diagnostic / service call | $83 | $132 | $220 |
Thermostat replacement | $165 | $303 | $550 |
Blower motor replacement | $440 | $715 | $1,210 |
Heat exchanger replacement | $1,650 | $2,420 | $3,850 |
Ignitor replacement (gas furnace) | $165 | $275 | $440 |
Control board replacement | $330 | $605 | $990 |
Full system repair (major) Multi-component failure | $550 | $1,320 | $3,300 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
HVAC Repair in Greenwich, CT: What to Expect
Greenwich homeowners face a four-season challenge that inland neighbors simply do not. Sitting on Long Island Sound, this coastal community enjoys moderated temperatures, summers hit 85 F with seventeen days climbing above 90 F, while January lows hover around 25 F, noticeably milder than points north. That maritime influence cuts both ways, however; 67% summer humidity forces air conditioners to pull moisture from the air. During heating season from November through March and cooling season June through September, HVAC Repair in Greenwich becomes less a convenience and more a practical necessity. Five contractors serve this market, collectively earning a 4.8 average rating across 473 reviews, with three offering around-the-clock availability.
Pricing in this market reflects Connecticut's licensing requirements, Contractors must hold a Class 1 Heating, Cooling and Piping license from the state Department of Consumer Protection, ensuring baseline professionalism. Service calls typically run $120 to $180 for diagnosis and labor, while after-hours emergency visits fetch $175 to $250 given the premium for immediate response. New compressor installations, a common repair in older coastal homes with salt-air corrosion, range from $800 to $1,900 depending on tonnage and refrigerant type, these figures represent typical cost brackets rather than exact quotes for any single job.
Reviewers repeatedly note technician punctuality and clear communication as distinguishing qualities. One customer praised Mike L. for explaining the refrigerant leak diagnosis step-by-step before proposing replacement, allowing her to make an informed decision without pressure. Another referenced Joe L.'s sizing assessment for a 2,400-square-foot colonial, noting the contractor cross-referenced the home's square footage and window layout rather than defaulting to the largest available unit. That emphasis on properly matched equipment rather than upselling appears consistently across feedback from this contractor pool.