Licensed HVAC Repair in Wilmington, DE 19808 - Hentkowski
3420 Old Capitol Trl, Wilmington, DE 19808
Company Overview
Hentkowski in Wilmington, DE is a family-owned heating, air conditioning, and electrical company with deep roots in the community since 1968. Founded by John W. Hentkowski and now led by his wife Marilyn S. Hentkowski along with their children Barbara AMH Roberts, John Hentkowski Jr., and Stephen Hentkowski, this business has grown from a residential HVAC specialist to include light commercial and electrical services. As Delaware's first Carrier Factory Authorized Dealer and a multiple-time Carrier President's Award winner, Hentkowski is recognized for leadership, customer satisfaction, and operational excellence. Their NATE-certified technicians receive ongoing training to deliver reliable installation, maintenance, and repair for HVAC systems, water heaters, generators, and electrical panels. Committed to local education, they serve on advisory committees for Chester County Technical High School and Cecil County School of Technology, supporting youth in the trades. With flexible hours and emergency appointments, Hentkowski provides dependable service when Wilmington residents need it most, backed by a 2013 Reader's Choice Award for Heating & Cooling.
Main Services
- Generator repair
- Water heater installation
- HVAC installation or replacement
- HVAC system repair
- Electric inspection
Frequently Asked Questions
What should I do if I notice high energy bills or poor airflow in my Wilmington home?
High energy bills and reduced airflow in Wilmington homes are often caused by duct leaks, which are a common local issue due to older housing stock and seasonal temperature extremes. Hentkowski's NATE-certified technicians can perform a thorough HVAC system inspection to identify and seal duct leaks, improving efficiency and comfort. As a Carrier Factory Authorized Dealer with ongoing technician training, we use precise methods to address these problems, helping you save on energy costs and maintain consistent airflow year-round.
Does Hentkowski offer emergency services for HVAC or electrical issues?
Yes, Hentkowski provides emergency appointments with flexible hours for both HVAC and electrical services in Wilmington. Established in 1968 as a family-owned business, we understand that heating, cooling, or electrical failures can happen at inconvenient times. Our team is available to respond quickly for repairs, installations, or replacements—whether it's a broken HVAC system on a cold winter night, a faulty water heater, or an electrical panel issue. We prioritize getting your home back to normal as safely and efficiently as possible.
Are your technicians qualified to handle generator installation and repair?
Absolutely. Hentkowski's technicians are NATE-certified and participate in ongoing training, ensuring they are skilled in generator installation and repair. As a multi-service company with expertise in HVAC, electrical, and water heaters since 1968, we provide comprehensive support for backup power solutions. Whether you need a new generator installed or an existing one repaired, our family-owned team in Wilmington follows strict quality standards to ensure reliable performance, especially during local power outages or severe weather.
Business Location & Hours
| Mon: | Open 24 hours |
| Tue: | Open 24 hours |
| Wed: | Open 24 hours |
| Thu: | Open 24 hours |
| Fri: | Open 24 hours |
| Sat: | Open 24 hours |
| Sun: | Open 24 hours |
Similar HVAC Companies in Wilmington, DE
Ascension Heating and Cooling
Wilmington, DE
Evert J Christensen Plumbing & Heating
Wilmington, DE
Air Force One Residential and Commercial Services
17 Boxwood Ave, Wilmington, DE
Atlas Heating & Cooling
Wilmington, DE
