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Trusted HVAC Distribution Services in Chicago
W.L. Engler has been a trusted HVAC distributor serving Illinois since our founding. We specialize in providing high-quality heating, cooling, and indoor air quality solutions through partnerships with leading manufacturers like Oxbox, A.O. Smith, and Burnham. Our team of expert sales engineers supports residential and commercial clients across Chicago, Kankakee, Aurora, and Mendota. With a fleet of modern delivery trucks, we ensure fast, free delivery to job sites while maintaining a commitment to technical expertise and customer service.

Our extensive product line includes gas forced air furnaces, hydronic systems, and energy-efficient water heaters designed to meet diverse climate challenges. We prioritize innovation through partnerships with brands like Unico, offering quiet, dependable air conditioning tested in extreme conditions. Our Chicago-based operations combine decades of industry experience with a focus on reliable, cost-effective solutions for equipment replacement or new installations.
Services
Gas Forced Air Furnaces Water Heating Systems Hydronic Heating Space Heating Conversion Burners Ventilation Equipment HVAC Controls Air Quality Products Commercial HVAC Residential HVAC
Highlights and features
  • We offer 24/7 personalized customer support for HVAC solutions.
  • Our team consists of certified sales engineers with extensive HVAC experience.
  • We provide fast, free delivery across northern Illinois.
  • We partner with top manufacturers like Oxbox and A.O. Smith.
  • Our product line includes energy-efficient, tested HVAC systems.
Services
Gas Forced Air Furnaces
Our gas forced air furnaces provide efficient heating for residential and commercial properties. These systems deliver consistent warmth through advanced combustion technology and energy-efficient designs. Ideal for cold climates, they ensure reliable performance with minimal maintenance requirements.
Water Heating Systems
We distribute high-capacity water heating systems for homes and businesses. Featuring A.O. Smith's durable tanks and energy-saving technology, these systems provide continuous hot water supply with reduced operating costs for various applications.
Hydronic Heating
Hydronic systems circulate heated water through pipes for even, comfortable warmth. Our offerings include boiler systems and radiant floor heating solutions that combine energy efficiency with precise temperature control for large spaces.
Indoor Air Quality Products
Our air quality solutions include advanced filtration systems and humidity control equipment. These products remove contaminants, regulate moisture levels, and improve overall air purity for healthier residential and commercial environments.
Commercial HVAC
We supply comprehensive HVAC systems for commercial buildings, including high-pressure air conditioning and industrial heating solutions. Our commercial-grade equipment ensures optimal climate control for offices, retail spaces, and manufacturing facilities.
Questions
What HVAC products do you distribute?
We distribute gas furnaces, water heaters, hydronic systems, air quality products, and commercial HVAC equipment from brands like Oxbox, A.O. Smith, and Burnham.
Do you offer delivery services?
Yes, we provide fast, free delivery across northern Illinois using our modern fleet of delivery trucks for residential and commercial orders.
What areas do you serve?
We serve Chicago, Kankakee, Aurora, Mendota, and surrounding areas in northern Illinois with local inventory and delivery capabilities.
Can contractors get pricing information?
Contractors can request pricing through our website login or by contacting our Chicago office directly for competitive trade rates on bulk orders.
Do you carry energy-efficient HVAC systems?
Yes, our product line includes Energy Star-rated furnaces, high-efficiency water heaters, and smart HVAC controls to reduce energy consumption and operating costs.
How can I get technical support?
Our team of certified sales engineers provides technical assistance for system design, equipment selection, and installation support via phone or in-person consultations.
Reviews (3)
Oliver Crown
Nov 23, 2019 Report
Very professional and knowledgeable staff. Huge selection of heating and cooling parts. Highly recommend
David Greenfield
Nov 23, 2018 Report
I have known the people of W.L.Engler for over 25 years. Treats customers as professionals. Very helpful at fulfilling customers needs
Armando Lopez
May 07, 2017 Report
Every one is always willing to help with anything, I highly recommend them, if you need a part that is not from them they sent you to the Wright place to get it.