Hentkowski, Inc.

Since 1968, we’ve served homeowners and business owners in Wilmington, Delaware, and surrounding communities with professional heating and cooling services. With more than 50 years of industry experience, we bring close attention to detail to every visit and work to help customers maintain efficient, dependable HVAC systems. We proudly serve Wilmington, southeastern Pennsylvania, and northeastern Maryland, offering flexible scheduling and emergency appointments when heating or cooling problems cannot wait.

Our services include air conditioner repair, maintenance, and installation, as well as furnace repair, maintenance, replacement, and installation. We also repair, replace, install, and maintain heat pumps, and we work on heating units regardless of make or model. Whether a customer needs a repair on a cold winter night, yearly system maintenance, or a new heating system, our NATE-certified technicians arrive with prepared service trucks and provide kind, courteous service. We work with oil and gas heating systems and several types of heat pumps. Our available equipment includes products from Carrier, Trane, York, Lennox, Sanyo, Fujitsu, Bosch, Mitsubishi, and other recognized brands. Carrier heat pumps with Greenspeed Intelligence and geothermal heat pumps are also available.

We are proud to have received the Carrier President’s Award, an honor recognizing leadership, customer satisfaction, and operational excellence in the heating and cooling industry. That recognition reflects the standards we strive to uphold in our work every day. At Hentkowski Inc., we want customers to feel confident turning to a local team for heating and cooling repairs, replacements, installations, and maintenance, from smaller service needs to larger projects.