Your Trusted HVAC and Electrical Partner in Wilmington, DE

When the summer heat in Wilmington gets intense or a winter cold snap hits, a reliable heating and cooling system isn't just a comfort—it's a necessity. Hentkowski has been the go-to solution for Wilmington, DE, homeowners and businesses since 1968. This family-owned company provides full-service HVAC and electrical work, backed by round-the-clock emergency availability.

Business Overview

Hentkowski serves residential and light commercial clients across northern Delaware. They understand the unique needs of local homes, from older Wilmington neighborhoods to newer developments in Pike Creek. Their team of NATE-certified technicians is always learning, ensuring they handle every job with current expertise. Whether it's a scheduled maintenance check or a midnight furnace failure, they are open 24/7 to respond.

Key Services

Hentkowski offers a wide range of services to keep your home comfortable and safe:

• HVAC Services: Full installation, replacement, repair, and maintenance for heating and air conditioning systems. They help you prepare for Delaware's humid summers and chilly winters.
• Electrical Services: From panel installations and generator setups to repairs and inspections for home safety.
• Water Heater Services: Installation and repair for both traditional and tankless water heaters.

Their approach is straightforward: diagnose the problem correctly and fix it right the first time.

Areas Served

Hentkowski proudly serves a wide area around Wilmington. Their technicians are familiar with the common HVAC and electrical setups found in local communities. You can find them working in:
Wilmington, Newark, Middletown, Bear, Glasgow, Brookside, Hockessin, Pike Creek, North Star, Wilmington Manor, Elsmere, New Castle, Greenville, Delaware City, and Saint Georges.

Company History

The story began on New Year's Day in 1968 when John W. Hentkowski started the company as a residential heating and cooling specialist in Wilmington. His wife, Marilyn, was by his side from the start. Today, the business remains family-owned and operated by their children: Barbara AMH Roberts, John Hentkowski, Jr., and Stephen Hentkowski. Growth into light commercial and electrical work came naturally, always guided by a commitment to customer service.

Leadership

Marilyn Hentkowski, who co-founded the company with her husband, remains a guiding force. The family's deep local roots are shown in their community involvement. They serve on advisory committees for trade schools like the Chester County Technical High School and the Cecil County School of Technology, helping educate the next generation of skilled technicians right here in the region.

Specialties & Highlights

Several factors make Hentkowski stand out in the Wilmington, DE market:

• First Carrier Factory Authorized Dealer in Delaware: This partnership signifies a high level of product knowledge and service standards.
• Multiple Carrier President's Award Winner: Recognized for leadership, customer satisfaction, and operational excellence.
• 2013 Reader's Choice Award for Heating & Cooling: A testament to their reputation among local residents.
• 24/7 Emergency Service: They are there when you need them most, any day of the year.
• Family-Owned and Operated: Decisions are made locally by people who live and work in the community.

Why Locals Choose Hentkowski

For over five decades, residents and business owners in Wilmington, DE, have turned to Hentkowski. The choice comes down to a simple formula: proven reliability, high-quality workmanship, and a long-standing presence you can trust. They combine the expertise of a large dealer with the personal touch of a neighborhood shop. When you need HVAC or electrical help, you're not just calling a service number—you're calling a local family business that cares about getting your home back to normal.