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Tankless Myth 1
Myth #1

Tankless doesn’t work with cold inlet temperatures.

With around 100,000 tankless water heaters sold per year in Canada, our water heaters handle cold groundwater easily. The Tankless Truth™ is, our water heaters will deliver 19 liters (5 gallons) per minute with 4°C (40°F) groundwater, equal to running three showers simultaneously.

Hear What Other PROs Are Saying

Bret Heploa, Master Plumber

From handling Minnesota's cold groundwater to easy installation, this Rinnai PRO saw firsthand how tankless means endless hot water and plans on recommending Rinnai's tankless water heaters to all his customers.

Never worry about cold groundwater.

Ben speaks the truth about how Rinnai's tankless water heaters quickly turn cold groundwater into unlimited hot water. Over 100,000 Canadians every year can't be wrong.

The math on cold groundwater doesn't add up.

Eric Aune of Mechanical Hub breaks down the math to disprove the myth that tankless can't handle cold groundwater.

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Tankless Myth 3
Myth #2

Venting is too expensive on tankless water heaters.

The Tankless Truth is, we’ve made venting affordable.

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Tankless Myth 4
Myth #3

Tankless is more expensive to maintain than tanks.

The Tankless Truth is, maintenance for our tankless water heaters is not more expensive than a tank. 

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Tankless Myth 5
Myth #4

Tankless water heaters don’t respond quickly to high demand.

The Tankless Truth is, we offer tankless water heaters with built-in circulation pumps that deliver hot water to your fixtures quickly and efficiently.