St Charles Heating, Cooling & Plumbing Company

Providing A Wide Range of Plumbing and HVAC Services

Mendel Plumbing and Heating, providing services to St. Charles, IL and the Fox Valley area, is more than just a plumbing and heating company. We provide:

We also offer Commercial Services:

  • Commercial plumbing
  • Commercial HVAC services: heating and ac repair and replacement
  • Commercial electrical repair and service
  • And commercial remodeling services to regional businesses.

Contact Us Today

We sell, install and maintain all the HVAC equipment and systems you need for home or work.


Cold, snowy winters are reality in the Fox Valley area. As a result, you need to know you can rely on your furnace or heating system to keep your family or office warm. If you're in need of furnace service, including furnace repair, heating instal...

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Over the years, one name has become synonymous with quality air conditioning services in the Fox Valley region, and that name is Mendel Plumbing and Heating. Our qualified technicians are experts in their industry, offering cooling services for bo...

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Aeroseal® Duct Sealing

What is Aeroseal?Aeroseal was developed in conjunction with the U.S. Department of Energy and is a revolutionary air duct sealer. This innovative technology reduces air leakage by sealing duct systems from the inside! The elastic polymer bui...

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Commercial Services

Mechanical Commercial Contractor Services Mendel has put together the perfect team of mechanical technicians and contractors to service commercial and industrial businesses throughout the northwest suburbs. With more than 100 years of combined e...

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Professional Generator & Electrical Services At Mendel, our focus is on you, your family and your home. Whether we’re wiring a basement or simply installing a new chandelier, our team of highly trained technicians concentrates on what matters mo...

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Heating & A.C.

The Finest in Commercial and Residential HVAC Repair, Installation & Emergency Service in St. Charles Known throughout the Fox Valley region for our top-notch heating and cooling services, Mendel’s goal is to help your family or business obtain ...

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Home Services

In addition to our home heating, ventilation and air conditioning (HVAC) services and residential plumbing services, Mendel offers a myriad of everyday home services for your convenience. Please contact us for these and other maintenance se...

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Maintenance Programs

Mendel offers a comprehensive business and home maintenance program that keeps your furnace, air conditioner and other systems running safely and efficiently. We call this the MendelCare Guaranteed Comfort Protection Plan. We come to your home...

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Your Trusted Resource for Plumbing ServiceWhen it comes to expert commercial and residential plumbing services in the Fox Valley and surrounding areas, there’s no better resource than Mendel (Illinois Plumbing License #058-113671). We’re proud to ...

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MENDEL OFFERS RESIDENTIAL AND COMMERCIAL REMODELING SERVICESIs Your Property in Need of an Update?When it comes to your home, Mendel knows that nothing is more important than the safety and comfort of your family. Whether we’re remodeling a bathro...

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Payment and Financing Options

Payment options include cash, checks and all major credit cards. Mendel also has a variety of financing options listed below. NOTE: A Reference Number is not needed on Application page 1. Fill in the “Requested Loan Amount” and click “Contin...

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