Professional Residential and Commercial HVAC Contractor

DiMarco & Associates, LLC is focused on combining the resources, technology, and training of a large HVAC company with the personalized attention and responsiveness of a local contractor. Our approach is performance-driven—we don’t just install or repair systems, we verify that they operate efficiently, safely, and at their full potential.

When it comes to heating, air conditioning repair, and indoor air quality in Northeast Ohio, we’re second to none. As Carrier Comfort Specialists, we design, install, and service systems using industry-best practices, advanced diagnostics, and manufacturer-approved standards. From airflow and static pressure testing to system commissioning and IAQ evaluations, we make sure your HVAC equipment delivers consistent comfort, clean air, and energy efficiency—without unnecessary strain on the system or your utility bills.

Our residential and commercial HVAC contractor takes pride in servicing homes and businesses in Twinsburg, Mayfield Heights, Cleveland, Aurora, Beachwood, Chagrin Falls, Solon, Shaker Heights, Lyndhurst, Kirtland, Willoughby, Chesterland, Chardon, OH, and the surrounding areas of Northeastern Ohio.



Contact our cooling and heating company today for reliable furnace installation, residential AC repair, residential furnace repair, home air balancing, green building services, water heater replacement, indoor air quality solutions, and other performance-focused HVAC services designed to keep your system running at its best.