Tankless & Boilers
Tankless Water Heaters & Boiler Systems in Bowmanville, Ontario
Most homeowners do not spend much time thinking about their water heater until the morning they step into a cold shower. And most homeowners with boiler systems do not think about the boiler until the radiators stop getting warm or the in-floor heating goes cold in February.
If either of those situations sounds familiar, or if you are planning ahead because your current system is aging, this page covers everything The Comfort Shoppe offers for hot water and boiler heating. We install and service tankless water heaters, traditional tank-style water heaters, combination boilers, condensing boilers, and radiant floor heating systems across Bowmanville, the Durham Region, and beyond.
We carry products from Navien, IBC, John Wood, and Continental, and our TSSA-licensed technicians handle everything from straightforward tank replacements to full boiler system conversions. Call 905-623-2956 if you already know what you need, or keep reading to understand your options.
We install Navien tankless water heaters and condensing boilers for homeowners across Bowmanville, Courtice, Newcastle, Oshawa, Whitby, Port Perry, Lindsay, Bethany, Cavan, and Peterborough. For heritage homes with radiators, a Navien condensing boiler replaces aging cast-iron equipment at 95%+ thermal efficiency. For any home type, a tankless water heater eliminates the standby losses of a conventional tank. Bowmanville homeowners benefit from our fastest response times, with our Janetville headquarters just 20 minutes away.
Tankless vs. Tank Water Heaters — What Homeowners Should Know
This is the most common question homeowners ask when their water heater needs replacing: should I go tankless or stick with a tank?
Both have a place. Here is a straightforward comparison.
Tank Water Heaters
Tank water heaters store a set volume of hot water (typically 40 to 60 gallons) and keep it heated at all times. They are less expensive to purchase and install, and they work well in homes with moderate hot water demand. The downside is that once the tank is empty, you wait for it to refill and reheat. They also consume energy around the clock to maintain the water temperature, even when nobody is using hot water.
Tankless Water Heaters
Tankless water heaters heat water on demand as it flows through the unit. There is no storage tank, which means you never run out of hot water, the unit takes up significantly less space, and you only use energy when the tap is running. The upfront cost is higher than a tank system, but the energy savings over the life of the unit typically make up the difference.
For a household in Bowmanville with two or more bathrooms, a dishwasher, and a washing machine all competing for hot water, a tankless system eliminates the frustration of running out during peak usage. For a smaller household with modest hot water needs, a quality tank-style heater may be all you need.
We install both, and we will recommend whichever one actually fits your household rather than defaulting to the more expensive option.
Tankless Water Heaters We Install
We carry two leading tankless brands, each with a different strength.
Navien tankless water heaters. Navien is one of the most recognized names in tankless technology. Their units are compact, energy efficient, and designed for Canadian climates. Navien systems use condensing technology that extracts more heat from the combustion process, which means higher efficiency and lower operating costs compared to non-condensing models. They also feature recirculation capability, which means hot water reaches your tap faster without wasting water while you wait for it to heat up.
Navien tankless heaters are a strong fit for larger households, homes with multiple bathrooms, and any situation where running out of hot water has been a recurring problem.
IBC SFT Super Flow tankless water heaters. IBC specializes in high-capacity tankless systems. Their Super Flow units are built for situations where hot water demand is especially high, whether that is a large home, a home with a hot tub, or a property where multiple fixtures run simultaneously. IBC units are built in Canada and designed for the specific demands of Canadian water and climate conditions.
Both brands come with manufacturer warranties that we can walk you through during a quote.
Tank-Style Water Heaters
Tankless is not always the answer. For homeowners who want a reliable, lower-cost hot water solution, a traditional tank-style water heater still makes sense.
We install John Wood tank water heaters, which are a trusted name in the Canadian market. John Wood offers a range of tank sizes and fuel types (gas, electric, and propane) to match different household needs.
A tank-style heater is the right choice when your hot water demand is moderate, your budget favours a lower upfront cost, or when the existing plumbing and venting in your home is already configured for a tank and you want a straightforward swap rather than a more involved retrofit.
If your current tank water heater is leaking, making popping or rumbling noises, producing discoloured water, or simply not heating as effectively as it used to, it is likely near end of life. Most tank water heaters last 8 to 12 years. If yours is in that range and showing symptoms, replacing it before it fails completely is cheaper and less stressful than dealing with a flooded basement.
Need a water heater replacement? Call 905-623-2956
Boiler Systems — Installation, Repair & Maintenance
Boilers are a different category from water heaters, though many homeowners confuse the two. A water heater provides hot water for your taps and showers. A boiler heats water (or produces steam) and circulates it through your home to provide space heating via radiators, baseboard heaters, or in-floor radiant loops.
Many older homes across the Durham Region, particularly in Oshawa and the surrounding communities, were built with boiler-based heating. These systems require technicians who understand hydronic heating, piping, zone valves, and expansion tanks. We have been working on boiler systems for over three decades.
What we handle with boilers:
- Boiler installation and replacement, including combination boilers that provide both space heating and domestic hot water from a single unit
- Boiler repair and diagnostics, including pressure issues, circulator pump failures, zone valve problems, and leaks
- Radiant floor heating installation and service
- Hot tub heating systems
- Conversion from boiler to forced-air systems (or vice versa) when a homeowner wants to change their heating setup
Brands we install for boiler systems:
We install Continental boilers, a trusted Canadian brand with a strong reputation for reliability, and Navien NHB high-efficiency condensing boilers, which deliver excellent fuel economy and are well-suited for modern hydronic heating setups.
If your boiler is aging, losing efficiency, or requiring frequent repairs, a modern condensing boiler can cut your heating costs significantly while delivering more consistent warmth throughout the home.
Signs Your Water Heater or Boiler Needs Attention
Most water heaters and boilers give warning signs before they fail completely. Knowing what to watch for can save you from an emergency.
For water heaters:
- Water is not as hot as it used to be, or recovery time between uses has increased
- You see rust-coloured water coming from the hot tap
- The unit is leaking from the base or around fittings
- You hear popping, banging, or rumbling sounds (sediment buildup)
- The unit is more than 10 years old and has never been serviced
For boilers:
- Radiators or baseboard heaters are not warming up evenly across the home
- The boiler is short cycling (turning on and off frequently)
- You notice a drop in boiler pressure on the gauge
- There are unusual noises coming from the boiler or the pipes
- Your heating bills have increased without a change in usage
If you notice any of these, call us at 905-623-2956 before the problem turns into a failure. A service call now is always cheaper than an emergency replacement later.
What to Expect During Installation
Whether you are replacing a tank water heater, switching to tankless, or installing a new boiler, the process follows the same straightforward pattern.
Step 1: Assessment.
We evaluate your current setup, your hot water or heating demand, your home's plumbing and venting, and your budget. For boiler work, we also assess the existing piping, radiators or in-floor loops, and zone configuration.
Step 2: Recommendation and quote.
We recommend the right system and give you a clear upfront price. If you are deciding between tankless and tank, or between repairing and replacing a boiler, we show you the numbers for both options and let you choose.
Step 3: Installation.
Our technicians remove the old unit, install the new one, connect the plumbing, gas, and electrical, and test the system thoroughly. Tank replacements are typically completed in half a day. Tankless conversions take a full day due to venting and gas line modifications. Boiler work varies depending on scope.
Step 4: Walkthrough.
We walk you through the new system, explain the controls, and make sure you are comfortable with how it operates before we leave.
If your system is covered under our Comfort Care or Protection Plus maintenance plans, we will include it in your annual service schedule to keep it running at peak efficiency.
Frequently Asked Questions
Talk to Us About Your Hot Water or Boiler System
Whether your water heater just failed, your boiler is not keeping up, or you want to explore whether a tankless upgrade makes sense for your household, we can help you figure out the right move.
Call 905-623-2956 to book a service call or get a quote.
Comfort Shop
627 Viewlake Road, Janetville, ON L0B 1K0
905-623-2956