Premier Plumbing, Heating and Cooling Contractors You Can Trust

BBB A+ Rating


Ask almost anyone in the Fox Valley community about Mendel Plumbing & Heating, and, chances are, they are already familiar with the outstanding level of service and personal attention we provide. Since our founding in 1985, we’ve made it our mission to provide 100% satisfaction to every customer, every time. That’s why, to this day, our growing family of technicians and staff continue to deliver the same commitment, right to the doors of Fox Valley and surrounding area homes. Come learn for yourself why the Mendel name is synonymous with plumbing, heating and cooling services you can trust!

Tens of Thousands of Satisfied Customers

Our customers love us, and we have the numbers to prove it.
Our NPS* score beats Charles Schwab, Amazon, and Apple.
Why is our customer satisfaction rating so high?
Because we keep our customers happy. It's that simple.

*The Net Promoter Score is an index ranging from -100 to 100, measured by a 3rd party firm, indicating the customer's overall satisfaction with a company's product or service, the loyalty to the brand, and the willingness to recommend the company’s product or service to others.

Services We Offer

From the customer care professional you speak with on the phone to the technician who comes to your home, our team members focus on making the Mendel Experience as easy and enjoyable as possible.
Our main services include:

Commercial and Residential Plumbing

Backed by a team of technicians with hundreds of years of combined experience, Mendel provides commercial and residential plumbing services for jobs of any size. Come to us for commercial services like design and build assistance, build-outs, ADA upgrades, process piping and EPA-licensed backflow prevention, as well as for residential plumbing services such as remodeling, pipe repair, pipe thawing, natural gas line piping, installation of fixtures, winterizing or power-jetting of sewers.

Design and build assistance

  • Build-outs
  • ADA upgrades
  • process piping
  • EPA-licensed backflow prevention

Residential plumbing services such as

  • Remodeling
  • Pipe Repair
  • Pipe Thawing
  • Natural Gas Line Piping
  • Installation of Fixtures
  • Winterizing or Power-jetting of Sewers

Heating & Cooling: Residential and Commercial

From furnace maintenance to the installation of in-floor interior or in-ground exterior heating, Mendel’s technicians can help you with any heating or cooling project. As a Bryant Factory Authorized Dealer we are committed to providing the safest and most reliable products

Our services include:

  • Complete heating system installation and repairs
  • Complete air-conditioning system installation and repairs
  • Natural gas line piping
  • Refrigerant replacement or recharge
  • System accessories
  • Seasonal precision tune-ups for equipment

Air Duct Cleaning and Sealing

An innovative technology developed in conjunction with the U.S. Department of Energy, AeroSeal Duct Sealing is a great way to increase comfort, air quality, safety, cost efficiency and environmental benefits in your location.

Click here for available financing

Why Mendel Is the Plumber Chicagoland Trusts

We often hear that once a customer uses Mendel, they have a hard time trusting anyone else. Coming to Mendel means coming to a company committed to your 100% satisfaction. We aim to WOW you with our trustworthiness, expertise and convenience — and that’s why we call what we provide "The Mendel Experience." We're more than heating and cooling experts; we're passionate professionals who work hard to earn your full and total trust. Count on us to:

  • Take great care of you, our customer, from beginning to end
  • Use common sense to do the right thing in all situations
  • Stand behind the services we provide
  • Communicate honestly no matter what happens
  • Work with excellence in every job

Top Areas Serviced with our Plumbing,
Heating and Air-Conditioning Work


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