List of Services

Crest has an expert service team built to maintain and repair all types of commercial HVAC equipment. We offer 24-hour emergency service for existing maintenance/install customers as well as regular day-time service for all commercial, retail and institutional facilities throughout CT.


Plumbing Services

- Domestic Hot Water Systems

- Sewage Ejector replacements

- Backflow Installation & Testing

- Medical Gas repairs

- Piping Repairs & Replacement


Electrical Services

- Service Upgrades

- Lighting Ballast upgrades

- Motor and starter replacements

- Generator Service

- Variable Frequency Drive (VFD) Installations and service


Mechanical Services

- Rooftop Units, packaged systems and Air handler service & maintenance

- Chiller & Cooling Tower Service and maintenance

- Pump service and maintenance

- Boiler service and maintenance

- Variable Refrigerant Flow (VRF) service and maintenance

- Piping Repairs

- HVAC Controls testing and repairs

- Ventilation Equipment & Ductwork repairs


Fire Protection Services

- Backflow Testing

- NFPA 25 Testing Procedures

- Main Drain Tests

- Piping Repairs

- Sprinkler Head Replacements

Looking for Help with Your Upcoming Construction Project?

Crest is happy to help with any of your HVAC, ductwork, plumbing, piping, fire protection, electrical, and energy-saving needs.



Phone: 860-724-3431

Fax: 860-251-7132

Toll Free: 800-966-2737


Crest Mechanical Services, Inc.
P.O. Box 340683
Hartford, CT 06134-0683


Corporate Offices & Fabrication Center
41 Walnut Street
Hartford, Connecticut 06120


Southeastern CT Office

539 Norwich Avenue
Taftville, CT 06380

About Crest


Commercial Full-Service HVAC, Plumbing and Fire Protection
Founded in 1964, Crest Mechanical Services is a family owned 3rd generation mechanical contractor, assisting general contractors and facility owners with commercial projects anywhere in Connecticut. Crest offers services that include ductwork fabrication, piping, welding, metal fabrication, HVAC controls, plumbing, and fire sprinkler work. 

Hartford, CT | New Haven, CT | Norwich, CT | Middletown, CT | New London, CT

State of Connecticut DAS Certified & Certified Small Business Enterprise (SBE)

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