Lake County, Indiana homeowners and businesses choose Cliff’s Heating, A/C & Generator Professionals for their heating, cooling and backup generator installation & repair services!


Our experienced service techs get the job done. Cliff’s has been working for Lake County, Indiana homes and businesses for more than 35 years as professionals in heating and cooling, and 15 years in our backup generator division. We are dedicated to providing the best possible total HVAC and backup generator solutions for you and your family.

Lake County residents in and around Crown Point, Dyer, Munster, Highland, Schererville and St. John can count on Cliff’s for expert HVAC, heating, air conditioning, cooling, generator and thermostat installation, service and repair.

You can trust us to provide you with a HVAC system and solution that fits your Lake County family’s unique needs. And since we’ve installed many indoor weather systems in Lake and Porter Counties in Northwest Indiana, we’ve earned a reputation for doing the job right the first time!

Schedule a service call today with one of the highest-rated and reliable cooling, heating and backup generator services in Indiana!

We are located near you for fast and reliable service!