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Air Conditioning and Heating Experts in Delaware

At Hentkowski, Inc. we have a lot to be proud of. We are proud of becoming the 1st Carrier Factory Authorized Dealer in Delaware, our NATE Certified Technicians, our NATE Quality Circle Contractor Status, and the dedicated service we have provided our customers in the Delaware, Southeastern Pennsylvania and Northeastern Maryland areas since 1968 Carrier is proud to present the 2011 President’s Award to Hentkowski, Inc for a third time. We were also President's Award winners in 2009 and 2011. Thank you to our customers for for this Quality driven Award from Carrier.

We have been providing residential and commercial customers alike with complete, sales, service and installation of high quality heating and cooling systems from Carrier and other manufacturers. And we also provide repairs on all makes and models.

When it comes to your family or workplace you want dependable heating and cooling systems that provide you with value as well as comfort. Thanks to the "Key to Comfort" staff here at Hentkowski, Inc. you can expect just that.

Hentkowski, Inc. is a licensed, bonded and insured HVAC, Heating, AC and Electrician contractor in all the municipalities that we work in.

Residential & Light Commercial

Flat Rate Billing

Service All Makes & Models

Installation and Replacement

Family Owned & Operated

Indoor Air Quality Specialists

FREE In Home Estimates

Financing Available


"I was very satisfied with Brian who suggested the units we had installed. Also, the men who installed the air cleaner were efficient and polite. Good Work!!"
Charles M. -- Wilmington, Delaware

"Job very well done!"
Ron H. -- Newark, Delaware

Installers were very efficient and courteous.
George C. -- Wilmington, DE

I was very happy with Brian’s explanation of your products. Also, I was extremely happy that he said we could use the same copper tubings extending from the furnace. I thought this exemplified honesty and integrity.
Patricia S. -- Hockessin, Delaware

Your service is exceeded by no other! Thanks for your immediate attention to a bad situation. Anything I need pertaining to home heating is Hentkowski!
Greg V. -- Elkton, Maryland

Hentkowski, Inc. - "Your Key to Comfort"
Heating, Air Conditioning & Electrical Since 1968

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John Hentkowski is a member of Rotary International which is partnering with ShelterBox, an international disaster relief charity that delivers emergency shelter, warmth and dignity to people affected by the disaster in Haiti and disasters worldwide. Please click here for more information.

Service Areas in DE Include:
Wilmington, Hockessin, Newark, Yorklyn, Montchanin, Winterthur, Rockland, New Castle, Bear, Kirkwood, Delaware City, Saint Georges, Claymont, Port Penn, Middletown and Odessa

Service Areas in PA Include:
Landenberg, Toughkenamon, Avondale, Mendenhall, Kemblesville, Chadds Ford, Kennett Square, Lewisville, Pocopson, New London, Chatham, Unionville, Lincoln University, West Grove, Kelton, Concordville, Marcus Hook, West Chester, Thornton, Westtown, Chester Heights and Glen Mills

Service Areas in MD Include:
Elk Mills, Childs, Elkton and Chesapeake City

We service all brands:
Carrier, Trane, Lennox, York, Mitsubishi, Sanyo, Fujitsu, Bosch, Florida Heat Pump, SpacePak, Unico, Payne, Bryant, Armstrong, Rheem, Ruud, Janitrol, Honeywell, April Aire, Weil McLain, Peerless, Buderus, Crown, HB Smith, State, Bradford White and others

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Hentkowski, Inc. - 3420 Old Capital Trail - Wilmington, Delaware 19808 - Phone (302) 998-2257

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