8 HVAC Service Contractors in Greenwich, CT
Top-Rated HVAC Service 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 Service Contractors (8 total)
First String Plumbing, Heating & Cooling
“All 5 reviewers award 5 stars, with 3 explicitly mentioning same-day or 24-hour emergency response. Two…”
American Services Group LLC
“All 25 reviews award five stars, with eight reviewers specifically praising the teams transparency through…”
SITL Group Home Renovation and New Construction
“All 20 reviews award 5 stars, with multiple clients specifically naming Rangel for his responsiveness and…”
A-1 Greenwich Plumbing & Heating
“Of 5 detailed reviews, 2 award 5 stars citing professional conduct and fair pricing, while 3 assign 1 star…”
HVAC Service Costs in Greenwich
General HVAC service pricing across maintenance, repair, and installation in Greenwich.
| Service | Low | Average | High |
|---|---|---|---|
Service call / diagnostic | $81 | $130 | $216 |
Routine tune-up (single system) | $76 | $135 | $216 |
Standard repair (avg) | $162 | $648 | $1,296 |
Major repair (compressor, heat exchanger) | $1,620 | $2,700 | $3,780 |
New system installation (mid-range) | $7,020 | $11,340 | $15,120 |
Full HVAC replacement AC + furnace combined | $12,517 | $14,504 | $15,228 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
HVAC Service in Greenwich, CT: What to Expect
Greenwich sits along the Long Island Sound shoreline where maritime air currents shape a climate gentler than inland Connecticut neighborhoods yet demanding year-round climate control. Summer humidity peaks at 67 percent while temperatures climb toward 85 degrees with roughly seventeen days exceeding ninety, making efficient cooling essential from June through September. Winters require heating from November into March as January lows drop to twenty-five degrees, creating dual-season demand in this coastal setting. With seven active contractors serving the Greenwich metro and an average rating of 4.7 accumulated across approximately 520 customer reviews, the market reflects steady consumer confidence in local HVAC Service in Greenwich capabilities.
Pricing across common service calls varies by scope. A standard air conditioning recharge typically falls between $150 and $350, while new system installations represent the larger investment that most homeowners face during equipment replacements.
Review feedback points to several consistent threads. Technicians frequently receive praise for arriving within the promised window and clearly explaining repair options before proceeding with work. Homeowners note that proper system sizing receives attention during replacement consultations rather than default upselling. Communication style ranks as a recurring strength, with detailed explanations of what each service entails and transparent discussion of timeline expectations.