Demmis Plumbing: Expert Water Heater Services

Warmth, Comfort, and Reliability – That's Our Promise.

There’s nothing quite like a hot shower at the end of a long day or the satisfaction of dishes washed in steaming hot water. At Demmis Plumbing, we understand that your water heater is the silent hero of these simple pleasures. It’s why we’re committed to ensuring that your water heater services in Lemont, IL, and surrounding areas are seamless and reliable.

Choosing the right brand for your water heater is crucial, and we offer a selection including industry leader Bradford White among others, ensuring you have the best fit for your home.

Water Heater Services

Water Heater Installation – It's More Than Just Hot Water

When it’s time for a new water heater, our team is here to guide you every step of the way:


Delivery and Removal: We handle the heavy lifting, safely removing your old unit and delivering the new water heater to its destined spot.

Installation Excellence: Our experts will set up and connect your new water heater with precision, ensuring everything from the gas supply to the venting is in perfect harmony.

Code Compliance: We dot the i’s and cross the t’s, making sure your installation is up to every local building code and safety standard.

Testing and Inspection: We check for leaks, test temperatures, and walk you through the new system, so you’re confident in its operation from day one.

Clean and Tidy: Once we’re done, we leave your space as clean as we found it, if not cleaner.

Darien Emergency Plumbing Services Demmis Plumbing
Tankless Water Heater Installation
La Grange

Our Commitment: Exceptional Service, Every Time

Water Heater Repair

Chilly water can be a shock to the system, it can be a sign your water heater needs a little TLC. From leaks to lack of heat, our skilled technicians can diagnose and repair any issue, ensuring your water heater is performing as it should.

Water Heater Replacement

After about a decade (or sometimes fifteen years), water heaters often need to be replaced. If you're facing issues with an older unit, we'll help you transition smoothly to a new, efficient water heater.

Professional Maintenance

To avoid the unexpected cold splash, regular maintenance is key. Our plumbers are experts in keeping your water heater in peak condition, from thorough inspections to necessary tune-ups.

Your Local Lemont, IL Plumber

Contact us today at (630) 991-3641 or visit our website to Schedule an Appointment.

Demmis Plumbing is pleased to offer our services to residents in the following areas and beyond: Lemont, Homer Glen, Naperville, Downers Grove, La Grange, Palos Park, Darien, Palos Heights, Orland Park.

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Reason For Contacting Us

We Offer 24/7 Rapid Response for Plumbing Emergencies.


We’re Here For Your General Plumbing Needs During Business Hours, ready to tackle any challenge with the warmth and dedication only a local family business can offer.


⊳ Monday: 7 AM – 9 PM

⊳ Tuesday: 7 AM – 9 PM

⊳ Wednesday: 9 AM – 9 PM

⊳ Thursday: 7 AM – 9 PM

⊳ Friday: 7 AM – 9 PM

⊳ Saturday: 8:30 AM – 9 PM

⊳ Sunday: 9 AM – 6 PM