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 Installation – It's More Than Just Hot Water
- 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.






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.
We Serve Lemont, IL and Surrounding Areas:
Contact us today at (630) 991-3641 or visit our website to Schedule an Appointment.
We’re here to ensure your Lemont, IL home’s plumbing system functions optimally, giving you peace of mind and a comfortable living environment.
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.