5 HVAC Maintenance Contractors in Greenwich, CT

4.8 avg rating
475 total reviews2 offer 24/7 service
Need emergency service? 4 HVAC providers in Greenwich offer 24/7 availability

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Top-Rated HVAC Maintenance Contractors in Greenwich

#1

New England Total Energy

4.9(243 reviews)
Highly Rated

Two hundred forty-three reviewers award this contractor an exceptional 4.9-star average, with multiple customers specifically praising same-day emergency…

469 West Putnam Avenue, Greenwich, CT 06830
#2

Giuliani Air Conditioning & Heating

5.0(84 reviews)
24/7

84 reviewers award perfect 5-star scores, with Jack Giudice named directly in three detailed accounts covering thermostat installation, compressor replacement,…

19 Edgewood Dr, Greenwich, CT 06831
#3

Westmore Fuel

4.7(110 reviews)

Six reviewers explicitly describe emergency same-day service, with multiple mentions of response times under one hour during frigid weather. Technician Mario…

86 N Water St, Greenwich, CT 06830

All HVAC Maintenance Contractors (5 total)

American Services Group LLC

4.8(25)

All 25 reviews award five stars, with eight reviewers specifically praising the teams transparency through…

2 Ann St, Greenwich, CT 06830

Greenwich Heating & Cooling, LLC

4.4(13)
24/7

7 of 8 reviewers award 5 stars, with customers specifically praising same-day service during extreme weather,…

25 Almira Dr, Greenwich, CT 06831

HVAC Maintenance Costs in Greenwich

Routine tune-up and maintenance plan pricing for Greenwich homeowners.

ServiceLowAverageHigh
Single AC tune-up
$72$129$206
Single furnace tune-up
$82$139$227
Full HVAC inspection
$155$283$412
Annual maintenance plan
Includes 2 visits/year + discounts on repairs
$124$247$371
Premium maintenance plan
Priority service + free diagnostics
$206$361$515
Duct cleaning (full home)
$309$489$824
Filter replacement (per filter)
$15$36$77

Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

HVAC Maintenance in Greenwich, CT: What to Expect

Greenwich’s coastal position on Long Island Sound moderates extremes but still creates clear seasonal demand: humid summers with highs around 85°F and about 17 days above 90°F, and milder winters with January lows near 25°F. That four-season swing drives routine tune-ups and moisture control, making hvac-maintenance Greenwich a year-round need. Five contractors serve the area, averaging 4.8 stars across 475 reviews, and two offer 24/7 response.

Specific published cost ranges were not included in the data provided, so homeowners should expect prices to reflect system size, access, and the scope of service — from basic tune-ups to refrigerant work and heat exchanger inspection. Connecticut requires HVAC firms to hold an HPC Contractor License (Class 1 Master HPC) through the Department of Consumer Protection; confirm licensing and ask for written estimates that itemize parts, labor, and any emergency fees before authorizing work.

Customer highlight details were not supplied, so prospective clients should watch for consistent praise of punctuality, clear communication, and thorough diagnostic reporting when vetting companies. With only five local contractors, patterns in reviews carry weight: prioritize firms that document maintenance histories, offer maintenance plans, and provide emergency availability if you rely on heating in winter or dehumidification in summer.

Frequently Asked Questions

HVAC maintenance in Greenwich costs $70-$200 for a single tune-up and $120-$360 annually for a maintenance plan covering both AC and furnace. Full system inspections run $150-$400. Most plans include 2 visits per year (spring AC, fall heating) plus priority scheduling and discounts on repairs.