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Main Enterprises, Inc. is a full-service cooling & heating contractor located in Stratford, Connecticut, and has been known for its mechanical exceptionalism since 1919. Consisting of three divisions - Commercial Services, Construction Services and Fabrication, Main Enterprises offers an all-inclusive experience, or a custom one designed according to your project's specifc needs.

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Commercial HVAC & Plumbing Construction

Whether it be preparing an estimate or a full blown engineered mechanical design, our in-house Engineers & Estimators understand that preparation, historical data, energy incentives and new innovations must be considered in each step of the process. Our first goal is to always apply common sense design practices and culminate an efficient and cost-effective project. 

Commercial HVAC Services

Main Enterprises offers 24-hour emergency services, preventative maintenance, replacements, air conditioning/heating and some refrigeration repairs. With our state-of-the-art equipment and technicians who deploy a high level of knowledge-based troubleshooting and resolutions, we hit the mark with a timely resolve to any size project!

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Special Projects Division

At Main Enterprises, Inc., the Special Projects Division (SPD) specializes in performing equipment replacements (large & small) along with the construction of tenant fit outs. Assuring that all aspects of customer service are provided to our clients, these projects collaborate with our Service & Construction Departments, and are designed to focus on our customers & client’s more specific needs.


Occupying almost 25,000 square feet is our duct fabrication facility equipped with high speed machinery that will build any air duct system you can imagine quickly and affordably but with quality. We welcome jobs of all sizes and scopes. So whether you simply need equipment made, or you need a job custom designed, built, installed, and maintained from start to finish, Main Enterprises, Inc. is your go-to.


CAD Drawings

Our Computer Aided Design (CAD) system transposes the existing space restrictions with new equipment dimensions. This drawing can be viewed for approval by a customer or landlord prior to installation for a more congruent installation. This process takes out the guess work, which may be essential for those critical installations when the facility conditioning down-time is of utmost concern.

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