HVAC Technicians in Greenwich, CT

4 Pros

Greenwich's waterfront estates and hedge fund wealth drive the region's most luxurious renovations. Multi-million dollar projects include guest houses, infinity pools, wine cellars, and resort-caliber outdoor entertaining areas. Browse 4 verified hvac technicians serving Greenwich, compare ratings, and get free quotes.

HVAC Market in Greenwich

Typical Range
$6,000-$19,000 per system
Avg Project
$13,000
Contractors
4
Home Value
$2,350,000
Homes Built
~1955
Home Types
Colonial, Contemporary

Zoning systems for multi-story colonials and coastal humidity control drive costs. Mitsubishi mini-splits are popular.

Emergency HVAC in Greenwich

No heat or AC down? 4 HVAC technicians serve Greenwich and surrounding areas. Many offer emergency and same-day repair service.

Tip: The first contractor to respond typically gets the job. Request quotes from 2-3 pros to compare pricing.

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All HVAC Technicians (4)

Giuliani Air Conditioning & Heating
5.083 reviews

Giuliani Air Conditioning & Heating is a local HVAC contractor serving lower Fairfield County, CT and lower Westchester County, NY. Led by second-generation contractor Jack Giuliani, the company prioritizes customer satisfaction and reliable service over profits, working around your schedule to keep your home comfortable.

General Contractor · HVAC Replacement · HVAC Repair +4

New England Total Energy
4.9204 reviews

New England Total Energy is a leading provider of oil and propane delivery services, HVAC installations, and duct cleaning in the Greenwich, Connecticut area. They offer competitive rates, various pricing plans, and a range of services to meet the heating and cooling needs of residential and commercial customers.

General Contractor · Oil and propane delivery · HVAC installations +6

A
4.825 reviews

American Services Group LLC provides comprehensive HVAC services throughout Greenwich, specializing in heating, ventilation, and air conditioning solutions for residential and commercial clients. With over 25 customer reviews averaging 4.8 out of 5 stars, the company has established a solid reputation for reliable and professional work.

General Contractor

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Greenwich Heating & Cooling, LLC
4.312 reviews

Greenwich HVAC is a fully licensed and insured, locally owned and operated heating, ventilation, and air conditioning company. They specialize in the installation, replacement, repair, and maintenance of residential and light commercial heating and cooling systems in lower Fairfield County, CT.

General Contractor · Installation · Replacement +2

Building Permits in Greenwich

Town of Greenwich Building Department
(203) 992-8910|Official Website
Permit likely required. Most hvac work in Greenwich requires a building permit. Your contractor should handle the permit application and schedule required inspections.

Most affluent town in the region with rigorous architectural review. Historic district designations. Coastal site plan review for waterfront properties.

Frequently Asked Questions

1How much does a new HVAC system cost in Greenwich?
A new HVAC system in Greenwich typically costs $6,000-$19,000 per system, with an average project around $13,000. Zoning systems for multi-story colonials and coastal humidity control drive costs. Mitsubishi mini-splits are popular.
2How often should I service my HVAC system in Greenwich?
HVAC systems in Greenwich should be serviced twice yearly: once in spring for cooling and once in fall for heating. Regular maintenance extends equipment life and prevents costly breakdowns during Connecticut's extreme summer heat and winter cold.
3What heating system is best for Greenwich homes?
Most Greenwich homes (median built 1955) originally used oil boilers or steam radiators. Many homeowners are upgrading to high-efficiency heat pumps, which provide both heating and cooling. With median home values around $2,350,000, an efficient HVAC system protects your investment.

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Contractor listings last updated March 2026. Data sourced from Google Business profiles, state licensing databases, and public records.

4 HVAC Pros

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