A reliable hot water system is essential to your daily routine, from hot showers to running appliances throughout the day. At John The Plumber Waterloo, our licensed plumbers provide professional water heater repair and installation services to ensure your home always has dependable hot water when you need it most.
Whether you’re dealing with cold showers, a leaking tank, or upgrading to a tankless water heater, our skilled technicians deliver efficient and lasting solutions. We specialize in both tank and tankless systems, offering Waterloo homeowners expert repairs, installations, and replacements for consistent, energy-efficient performance.
Call John The Plumber today or book online and save $20.
When your water heater stops producing hot water or starts making unusual noises, our certified technicians perform a comprehensive inspection to identify the issue. We repair faulty thermostats, replace heating elements, and address pressure relief valve issues or sediment buildup to restore reliable hot water quickly and safely.
Our team provides expert water heater installation services for new and replacement units. Whether you’re installing a gas, electric, or tankless model, our Waterloo plumbers ensure professional installation, safe gas connections, and optimal performance for years to come.
Tankless systems provide on-demand hot water with energy efficiency and reduced utility bills. If your tankless water heater isn’t performing properly, our experienced technicians offer maintenance, repairs, and replacement to keep your system operating at peak efficiency.
Inconsistent water temperatures or cold water often point to a faulty thermostat or heating element. We replace worn components using high-quality parts to ensure optimal system performance and consistent hot water.
When you lose hot water unexpectedly, our team provides emergency water heater repair across the Waterloo region. From leaking tanks and faulty thermostats to full heater replacements, we restore hot water quickly so you can enjoy peace of mind again.
If your water heater is old, inefficient, or beyond repair, we provide full water heater replacement services. Our experts remove your old unit safely and install a new energy-efficient water heater suited to your home’s needs and water usage.
If you notice water pooling near your tank, our Waterloo plumbers perform accurate diagnosis and leak repair. We locate and fix leaks from pipes, fittings, or the storage tank to prevent water damage and system failure.
When your hot water tank struggles to heat water or leaks from the base, we provide efficient repairs to restore consistent temperature and prevent damage. Our fully equipped team handles all makes and models.
We install heat pump water heaters that use ambient air to efficiently heat water while lowering energy consumption. This eco-friendly option helps homeowners enjoy steady hot water with reduced energy costs.
Our hybrid water heater installations combine the reliability of traditional tanks with the efficiency of heat pump systems. Enjoy consistent hot water and improved performance with a professional setup by our certified technicians.





The anode rod protects your water heater from internal corrosion. Our experts inspect and replace worn rods to extend your tank’s lifespan and maintain safe, reliable operation.
Sediment buildup inside the tank can lower heating efficiency and cause strange noises. Our plumbers perform thorough flushing and cleaning to improve heating performance and extend your system’s lifespan.
Not sure what’s wrong with your unit? Our technicians perform detailed inspections and accurate diagnostics to identify leaks or gas connection faults before they turn into major problems.
Loose or corroded water lines and faulty valves can restrict flow or cause leaks. We replace worn fittings and ensure all connections are tight, safe, and built to last.
Our licensed plumbers and certified water heater technicians repair, replace, and install all types of systems, including tankless models. We follow Ontario safety codes to ensure every job is done correctly and efficiently.
We understand that hot water is a necessity, not a luxury. That’s why we provide prompt response times for emergency plumbing repairs and same-day appointments across the Waterloo region.
Our experts help you lower your utility bills and enjoy dependable hot water by recommending energy-efficient systems, including tankless water heaters and heat pump models designed for long-term savings.
As a trusted Waterloo plumbing company, John The Plumber is known for professional service, reliable workmanship, and a strong commitment to customer satisfaction. We take pride in keeping your home’s hot water system running safely and efficiently.
Call or book online, and our Waterloo team will schedule a convenient time for a licensed plumber to inspect your water heater.
Our technicians conduct a thorough assessment of your unit, including gas connections, heating elements, and thermostat function, to pinpoint the problem accurately.
We explain the issue clearly and complete all water heater repairs using professional tools and replacement parts for lasting reliability.
Once the job is complete, we test your hot water system for consistent temperature, safety, and efficiency before leaving your home.
Before we leave, our team shares helpful tips to maintain your water heater’s optimal performance and prevent future breakdowns.
We proudly serve homeowners throughout Waterloo and nearby areas, including:
Uptown Waterloo, Beechwood, Westvale, Laurelwood, Lincoln Heights, and the surrounding Waterloo Region.
Count on our team for expert water heater and drain cleaning services you can trust year-round.
★★★★★“John The Plumber Waterloo repaired our water heater the same day it stopped working. The plumber explained the issue clearly, replaced the faulty part, and had hot water restored quickly. Excellent service.”
★★★★★“We had our old water heater replaced, and the installation was smooth from start to finish. Clean work, fair pricing, and great communication throughout. Highly recommend the Waterloo team.”
★★★★★“Fantastic experience. The plumber arrived on time, diagnosed our hot water issue right away, and walked us through the best replacement options. Everything was installed neatly and works perfectly.”
Yes, our emergency plumbing team provides same-day water heater repair services across Waterloo for leaking tanks, no hot water, or thermostat failures.
Absolutely. Our certified technicians repair and maintain tankless water heaters to restore reliable performance and consistent temperature.
If your unit is leaking, producing rusty water, or failing to heat properly, it may be time for water heater replacement. Our team can help you choose the best unit for your home.
Yes, we provide repair and installation for both gas and electric water heaters to ensure safe operation and dependable hot water.
We recommend annual maintenance to remove sediment, check safety valves, and maintain efficiency for consistent hot water all year long.
If you’re dealing with a water heater issue in Waterloo, trust John The Plumber for expert repairs, installations, and replacements. Our experienced plumbers deliver professional results that keep your home’s hot water system running safely and efficiently.
Call John The Plumber today or book online and save $20.
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