Choose Your
Water Heater

Follow these steps to find a water heater that’s right for your needs.

Step 1: Choose your heating application

Will this heater be used for regular domestic heating or specialty heating applications?

Regular domestic heating

Showers, baths, dishwashers and washing machines.

Specialty heating

Floor or radiant heating.

1. Heating application:

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Step 2: Choose your source

Gas or electric? If you’re not sure what your current water heater operates on, take a moment to find out.

Available in natural gas or liquid propane

2. Source:

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Step 2B: Does your heater vent using a chimney?

2B. Chimney vent:

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Step 2C: Is there a electrical source nearby?

2C. Electrical source nearby:

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Step 2D: Is it being installed in a small or confined space?

2D. Small or confined space:

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Step 2E: Is it being installed close to an outside facing wall?

2E. Close to an outside facing wall:

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Step 3: Choose your size

Select the number of people in your home.

3. Size:

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Step 4: Determine your demand

Select your approximate water consumption. If you find your current model isn’t meeting your household demand, we recommend you move up to the next category.

Good for individuals or families who use a low-to-average amount of water per day.

Good for families with a higher daily demand for water, based on longer/more frequent showers or regular use of dishwashers and washing machines.

Good for families with a very high daily water demand, based on frequent use of dishwashers and washing machines, and longer showers—or with appliances such as cascading shower heads and whirlpool tubs.

4. Demand:

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Based on your feedback, we recommend the following:

Please contact us as we need to ask you some additional questions in order to make sure your water heater is properly sized for your needs.

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Atmospheric Vent Gas Water Heater

The Atmospheric Vent is an entry-level gas heater. Air is drawn from inside the home and the exhaust is vented into a chimney or through the roof. The GSW Atmospheric Vent water heater features the Flame Guard® Safety System, which reduces the risk of accidental fires involving flammable vapours from products such as gasoline, paint thinner or solvents.

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Power Vent Gas Water Heater

A Power Vent heater is used when conventional chimney venting is not an option. Air is drawn from inside the home while a rotatable motorized blower forces the exhaust outside. The GSW ENERGY STAR® Qualified Power Vent heater is a very energy efficient heater which saves you money on energy costs and it’s more environmentally friendly.

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Power Direct Vent Gas Water Heater

A Power Direct Vent heater is ideal when using inside air for combustion is not an option and a longer vent run is required, possibly as a result of the heater being in a smaller room that does not have a wall facing outdoors. The air is drawn from outside using a vent pipe and a rotatable motorized blower forces the exhaust outside. The GSW ENERGY STAR® Qualified Power Direct Vent is a very energy efficient heater which saves you money on energy costs and it’s more environmentally friendly.

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Direct Vent Gas Water Heater

A Direct Vent heater is used when conventional chimney venting is not an option and an electrical source is not close by. The heater must be installed near an outside-facing wall as it draws combustion air from outdoors using the included 90” coaxial vent pipe. The exhaust is vented outside without a blower meaning it operates silently. The GSW Direct Vent heater is ideal for tight installations where space is at a premium.

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Standard Electric Water Heater

Standard electric water heaters are easy to install and can be located almost anywhere in your home. GSW offers a wide variety electric heaters based on gallon capacity, physical size, electrical configuration and water connection location.

Here are some high efficiency models that may also fit your needs:

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Envirosense® Power Direct Vent Water Heater

The Envirosense Power Direct Vent is a high efficiency condensing gas water heater. It has a spiral heat exchanger that helps keep hot combustion gases in the tank longer which means the water will heat up faster. This makes it ideal for larger homes with multiple bathrooms or luxury appliances such as whirlpool tubs. The Envirosense Power Direct Vent is ENERGY STAR® Qualified and with its advanced features, it is one GSW’s premium water heaters.

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Envirosense® Power Vent Water Heater

The Envirosense® Power Vent is an ENERGY STAR® Qualified high efficiency condensing gas water heater. It has a spiral heat exchanger that helps keep hot combustion gases in the tank longer which means the water will heat up faster. With a 22” diameter, the Envirosense® Power Vent can be installed in less space than a 75-gallon heater but will deliver greater recovery rates and lower operating costs.

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Polaris™ Gas Water Heater

The Polaris™ high efficiency condensing gas water heater is the perfect choice for combination systems. It is an extremely efficient water heater that’s also great for radiant and forced air hydronic heating applications. The Polaris™ has a high grade 444 stainless steel tank with brass connections for years of dependable, trouble-free service.

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Condensing Tankless Gas Water Heater

Condensing tankless heaters use a secondary heat exchanger that uses exhaust to pre-heat the water before it reaches the primary exchanger resulting in higher efficiencies. The GSW powered by Takagi condensing tankless water heaters are state-of-the-art and are ENERGY STAR® Qualified with an Energy Factor of 0.95.

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Non-Condensing Tankless Gas Water Heater

Non-condensing tankless heaters use a single heat exchanger to heat the water as it passes through it. The GSW powered by Takagi non-condensing tankless water heaters can provide you endless hot water when sized properly.

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Hybrid Electric Heat Pump Water Heater

The Hybrid Electric Heat Pump water heaters offer a cost effective, energy-efficient option for consumers who want to save money on their electric utility bills. These heaters absorb ambient heat from the surrounding air to the heat water using a compressor and environmentally-friendly R134a refrigerant.

Installing your water heater yourself?

We recommend that an experienced technician install any heating appliance. If you’re not comfortable installing your water heater, please speak with a sales associate at your preferred local retail store.

Should I rent or own?

When you choose a new water heater, you can either rent it or buy it. Either way, here are some things to consider.

Do you have questions we can help answer?

Contact us