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Mendell Plumbing & Heating From the client 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. 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 in Fox Valley.

We're the St. Charles plumbers you can turn to for commercial services like design-and-build assistance, build-outs, ADA upgrades, process piping and EPA-licensed backflow prevention, as well as for residential gas line piping, installation of fixtures, winterizing or power-jetting of sewers.
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Mendel Plumbing & Heating, Inc. was established with the intent of becoming the premier plumbing and heating company in the Fox Valley community. Decades ago, in a little garage in St. Charles, Mendel began combining its own brand of unmatched service with the best products available on the market.
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 sell, install and maintain all the HVAC equipment and systems you need for home or work. Your Trusted Resource for Plumbing ServiceWhen it comes to expert residential and commercial 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. Cold, snowy winters are reality in the Fox Valley area.
Our goal at Mendel is to bring our customers highly reliable products that offer strong value for the price. And Bryant is that brand for heating and air conditioning products! Being Bryant air conditioner dealers means that Mendel has met the manufacturer's highest standards for professional skills, service and a promise of 100% satisfaction guaranteed.
Everything at Mendel revolves around wowing you every day with our trustworthiness, expertise and the ease of doing business with us. Our mission, since day one, has been to make sure each and every customer is 100% satisfied. Come join the Company where people stay! In a recent anonymous survey, 100% of Mendel Team Members said our Company treats employees well, and 97% said they intend to work here for a long time.
Reviews (10)
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Raj Kanduri
Jun 14, 2022
We had Anthony G service our home to check on the HVAC system and also provide feedback to have a dehumidifier installed in our basement. He was very professional and provided us with valuable input with regard to questions we had. He's been by far the best technician from Mendel that we worked with since last year.
Ashley Sudduth
May 16, 2022
The ejector pump for our well and septic system had gone bad. Mendel scheduled us for the next day, and we received a text with Brock's bio and photo letting us know he was on his way that morning. Brock was great, answered all of my questions, explained everything he was doing, provided all of the pricing options and made me feel comfortable with the decisions I had to make. He got right to work and had our new pump in by lunch time. Great service, would definitely use Mendel again and again.
Jozzie Ann
May 06, 2022
Called Mendel late evening to report a pipe leak. Serviceman, Mike, came out early morning, quickly identified and repaired the problem. In addition to the repair he answered our many questions with patience sharing his knowledge with a pleasant demeanor. We are always pleased with Mendel's service but we feel Mike went over and above helping us. Mendel's the BEST!
Karen Boyce
Apr 18, 2022
The Mendel technician was prompt, polite and efficient. He came to check our sump pump and installed a new battery. He mentioned some ideas for thinking about since we've had the pump for five years. He was not pushy, just very informative. I appreciated that. We have used Mendel for many years and highly recommend them to anyone needing the services they offer.
Arlene Westbrook
Mar 19, 2022
We are Mendel clients for years. We continue to use Mendel because of their expertise and quality work in both electrical and plumbing work. The recent installation by Mike of recessed lighting in our kitchen, dining and office areas was simply OUTSTANDING. He understood where the lighting belonged to maximize the lighting in each area. The recessed lighting transformed each room and we are extremely pleased with the results.
RitaWest
Mar 16, 2022
A good friend at church recommended I call Mendel. I was very pleased with the service provided by Mendel. It was very easy to schedule an appointment via the telephone for the next day and a repairman arrived at 8 AM. The problem was with a water softener that is over 18 years old. The repairman presented the options for replacing the softener or for trying to get it operational.

Given how expensive it would be to replace the softener, I decided to try repairing it. The repairman spotted an obvious problem and fixed that problem. He said parts could no longer be obtained for a unit that old, so he was uncertain how long that fix would last. I was very satisfied with the whole repair process. Thank you, Mendel.
Trudy Peterson
Feb 23, 2022
Justin & Jake installed a washer & dryer for me. Sounds fairly simple. however, my vents & plumbing needed an update.it was a mess. J&J explained the problems and costs upfront. They finished the job, tested their work and cleaned up afterwards. EVERY experience I've had with Mendel's has been top notch! Always professional, friendly and trustworthy!

Their work is guaranteed. but I have never had to call them back for rework. The job is done right the first time! Don't waste your time searching for the cheapest bid. you get what you pay for (hence my mess) go with Mendel's, whom you can TRUST!
Karen Upham
Feb 19, 2022
Ken and Dan were awesome! Very considerate of my home and did an excellent job installing the humidifier on my furnace. I am very pleased with them both as well as the service and reliability of Mendel. Their commitment to quality work, setvice, and the equipment that they install is exceptional.
Lisa Palese
Jan 03, 2022
We have used Mendel for years. While some comment on their high prices- we would never use anyone else. They are incredibly responsive, reliable and thorough. Their expertise is top notch as is their costumer service! Service: Repair HVAC
Nknollen
Dec 04, 2021
Made an appointment online, they confirmed the next morning and asked if I would like for somebody to come out sooner than originally scheduled. The technician Matt was excellent. He repaired our thermostats, tutored us on the operations of our humidifying units, and made sure they were in good working condition. Once again, excellent service!