AC Repair, Service, and Installation in Wilmington

Top-Quality Heating Repair and Air Conditioning Service

Family Enjoying Indoor Air Quality

Welcome to Hentkowski, Inc. — the top provider of excellent heating and cooling services in the Delaware, Southeastern Pennsylvania, and Northeastern Maryland areas. Based in Wilmington, DE, we provide a wide range of comfort solutions — ranging from heat pump installation to air conditioning repair. With nearly 50 years in the heating and cooling industry, we are constantly committed to providing our customers with the best-quality heating and air conditioning services for your home or business. When it comes to your workplace or home, you want heating and AC services that are high-quality, efficient, and dependable. That’s what we provide. Here is our dedicated commitment to you:

  • A 100% satisfaction guarantee on all services and products
  • On-time, prepared service whenever you need us
  • Emergency services and flexible hours for when you need us most
  • Dependable products and equipment that are built to last
  • Polite and courteous technicians, highly trained in their fields

Hentkowski, Inc. is proud to have an A+ rating with the Better Business Bureau. We have also been honored to receive Carrier’s coveted President’s Award in 2009, 2011, 2012, 2013, and 2015. Each one of our technicians is NATE-certified and fully background-checked and drug-tested.

Heat Pump Installation and Air Conditioning Repair in Wilmington & Surrounding Areas


Whether it’s the middle of winter and your heat pump is acting up or mid-summer on the hottest day of the year and you’re finally ready to install that air conditioner, Hentkowski, Inc. does it all. Our ultimate goal is to keep you and your home or workplace safe and comfortable in all seasons. Here’s a comprehensive list of the heating and cooling services we provide year-round:

Choose Hentkowski, Inc. for All Your Heating & Air Conditioning Service Needs!

Do you live in the Wilmington, Newark, Bear, or the surrounding area? In search of heating services or cooling care? Hentkowski, Inc. is here to help! For immediate service on your heat pump, heating system, or air conditioning unit, get in touch with us right away by calling (302) 248-5548. Or to book your service appointment or get an estimate, contact us online!

Air Conditioning and Heating Experts in Delaware - Residential and Commercial since 1968.


A+ Accredited Business with the BBB

5 time Carrier President’s Award Winner

The News Journal Readers' Choice Winner


  • We are Licensed, Insured and Bonded
  • BPI Certified
  • NATE Certified
  • ServAssure Dealer

Our highest concern that your job is put in professionally, safely, neatly and according to code and the manufacturers specifications.  Read our testimonials

  • Flat Rate Billing
  • Carrier Financing
  • Energyloan

See all of our financing options

We offer many special offers, rebates and information on extended warranties.  Learn more...

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