top of page


Industrial interior chiller and boiler s
Metal industrial air conditioning vent.

Everything mechanical wears-out and sometimes wears-in. This process affects overall performance and efficiency, requiring regular cleaning and adjustments; many times a necessary requirement to maintain manufacturers' warrantees. Having over 100 years of experience in Maintenance and Service for all HVAC equipment such as: Air Conditioners, Boilers, Furnaces, Heat Pumps, Heaters, Chillers, and Cooling Towers- there is nothing Main Enterprises, Inc. can't handle. Through our affordable strategic plans and programs, we supply heating and air conditioning maintenance services to clients all over the state of Connecticut. So, when you need a maintenance plan that is manufacturer recommended and customized to your needs, you know who to call.



Includes both full and routine maintenance for Spring, Summer, Fall, and Winter allowing your systems to run at peak performance and efficiency.


For more complex systems requiring frequent maintenance and service, choose our monthly plan.


Biannual maintenance includes a full Spring and Fall maintenance inspection consisting of everything from filter changes to recording operating characteristics of systems, including unit volts, operating amperages, temperatures, and gas pressures.


Does biannual or quarterly not work for you? Let us know what does and we can create a customized plan based around your schedule and needs. 

Why Main

Your one-stop-shop

For all things related to heating and cooling. From the design stage, through construction and finally to the maintenance, we will take care of it all, so you can be confident that your building is temperature regulated and up to code.

Call today to get your maintenance program started 203.334.3419

Your one-stop-shop for HVAC needs including boiler, furnace, heat pump, heater, chiller, cooling tower replacements, repairs, maintenance, and service. Main Enterprises, Inc. is the leading name in HVAC services in the state of Connecticut and we have over a century of experience to back up our claim. Give us a call today if you have a project you’d like to discuss.

bottom of page