Trusted Water Heater Repair in St. Catharines
Are you facing issues with your water heater in St. Catharines? Whether it’s no hot water, leaks, or strange noises, KMC Heating and Cooling Services Inc. is your go-to expert for professional water heater repair in St. Catharines. Our certified technicians deliver fast, reliable repairs that restore your comfort without delay.
Looking for Water Heater Repair in St. Catharines
We’re experts in water heater repair—handling diagnostics, part replacements, and system optimization with care. If your tankless system is underperforming or showing error codes, we’ll fix it fast.

Common Water Heater Issues We Fix in St. Catharines
No hot water
Your water heater isn’t heating water properly, possibly due to a faulty heating element
Unusual banging
Loud banging or popping noises may indicate sediment buildup inside the tank
Leaking tank
Puddles or moisture around the tank can indicate a leak due to corrosion or a broken valve
Low water pressure
Weak flow from faucets can be caused by sediment in pipes, clogged fixtures.
Faulty pilot light
If your pilot light won’t stay lit, your heater can’t ignite and heat water.
Book Your Water Heater Repair Service in St. Catharines
Don’t wait until a small issue becomes a big problem. Call KMC Heating and Cooling at (365) 998-8125 now or schedule your service online.
Use promo code “KMC10” to get 10% OFF your first repair service.
Get 10% off your first service call

Why Choose KMC for Water Heater Repairs ?
- Fast Response – 24/7 Emergency Repairs Available.
- Licensed & Insured Local Technicians.
- Transparent Pricing – No Hidden Fees.
- High-Quality Workmanship – Done Right the First Time.
- 5-Star Rated by Homeowners Across the GTA
Whether you live in Scarborough, Etobicoke, Mississauga, North York, or downtown Toronto, our team is just a call away.
Why Homeowners Trust KMC Heating and Cooling?
Frequently Asked Questions (FAQs)
If your unit is over 10 years old, constantly breaking down, or leaking from the tank, it might be time to replace it. For issues like lack of hot water, noises, or minor leaks, repairs are often enough.
We repair all major types, including gas water heaters, electric water heaters, and tankless systems. No matter the brand, our technicians can help.
Yes! We offer same-day and emergency repair services, so you don’t have to go without hot water.
These sounds usually mean sediment has built up in the tank. This can reduce efficiency and lead to long-term damage if not addressed.
Turn off the power or gas supply and water supply to the unit, then call our team immediately. Leaks can cause water damage and should be addressed promptly.
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- Gas LineGas Line
- HumidifierHumidifier
- FireplaceFireplace