5 HVAC Repair Contractors in Greenwich, CT
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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’s position on Long Island Sound means maritime air moderates summer heat and winter cold, but humidity and seasonal swings still strain equipment. Summers topping near 85°F with 67% humidity and January lows around 25°F create real demand for timely service. Local search for hvac-repair Greenwich typically turns up five contractors averaging a 4.8 rating from 473 reviews; three advertise 24/7 availability.
Detailed line-item pricing from the provided data wasn’t available, but common cost drivers here include emergency service fees, parts such as compressors or heat exchangers, and hourly labor in a high-cost metro-adjacent market. Connecticut requires a Class 1 Master Heating, Piping and Cooling (HPC) Contractor license from the Department of Consumer Protection, so confirm credentials and ask for written estimates that separate parts, labor, and any permit or disposal fees.
Customer highlights were not included in the dataset, so prospective clients should watch review patterns: responsiveness, clarity of estimates, follow-up on diagnostics, and warranty fulfillment. With only five firms serving the area, prioritize technicians who document work thoroughly, offer seasonal maintenance plans, and can demonstrate recent, relevant installations or repairs that address both humidity control and efficient heating cycles.