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.

Technician is checking air conditioner ,measuring equipment for filling air conditioners..

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!


Construction Services

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. 



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.