Water Heater Repair in Thorold

Professional Water Heater Repairs for Your Home
Tank Water Heater Repairs
Tankless Water Heater Troubleshooting
Tankless water heaters need expert care due to their advanced components. We diagnose and repair issues such as error codes, scale buildup, ignition problems, and inconsistent water flow. Our team works on all leading brands, including Navien, Noritz, and Rinnai, restoring your tankless system’s performance and reliable hot water access.
Urgent Water Heater Repair Calls
Our Water Heater Repair Process
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Why Choose Mr. Furnace Heating and Air Conditioning for Your Water Heater Repair Services in Thorold
Experienced, Licensed Technicians
Every technician at Mr. Furnace is fully certified and trained to work on all makes and models of water heaters. With over 47 years of experience, we’ve completed thousands of successful repairs. Our team stays updated on the latest technology to ensure we can resolve any issue, efficiently and safely.
Transparent, Upfront Pricing
Prompt, Reliable Service
Comprehensive Warranty Protection
Full-Service Solution Provider
Contact Mr. Furnace to Schedule Your Water Heater Repair
Noticing problems with your hot water? Book water heater repair in Thorold and get a professional diagnosis with straightforward next steps.

Frequently Asked Questions About Water Heater Repair in Thorold
Looking to prevent future problems? Ask about maintenance after your repair. Our expert and trusted team in Thorold helps keep your system running efficiently.
When Do I Need to Call a Professional for a Water Heater Repair?
You should contact a licensed technician as soon as you notice any of the following:
- Inconsistent or insufficient hot water supply
- Strange noises like popping, crackling, or whistling
- Water leaking around the tank or valves
- Rust-coloured, brown, or discoloured water from taps
- Foul smells, like a sulphur or rotten egg odour
- Your unit is 10+ years old and performing poorly
- Hot water temperatures fluctuate without reason
- A sudden spike in energy bills with no clear cause
Water heater repairs involve handling pressurized hot water, electrical circuits, and sometimes natural gas—making DIY repairs risky. Certified technicians like those at Mr. Furnace has the skills, tools, and safety training needed to complete the job correctly.
What Are the Benefits of Hiring Mr. Furnace for My Water Heater Repair?
At Mr. Furnace, we don’t just fix water heaters, we restore comfort with precision, safety, and care. Our repair technicians are fully certified and receive hands-on training for every major water heater system, including conventional tank units, tankless models, and high-efficiency hybrid systems. When we arrive at your home, we come prepared.
Each of our service vehicles is stocked with a wide inventory of genuine replacement parts and specialty tools. This means we can resolve most repair issues in a single visit. saving you time and restoring your hot water without delay. We also go the extra mile when it comes to your home environment. Our team uses protective floor coverings, wears clean footwear, and cleans up thoroughly after each job.
What Types of Water Heaters Do You Repair?
We service:
- Traditional tank water heaters.
- Tankless water heaters.
- Electric, gas, and propane models.
- Residential and light commercial units.
Do You Offer Emergency Repairs?
Yes—Mr. Furnace provides 24/7 emergency water heater repair.