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Normal Range: $4,600-$8,600
tankless cost

Key Takeaways

  • Upgrading to a tankless water heater is an excellent investment for Calgary homeowners looking for energy-efficient solutions and a consistent hot water supply. However, understanding the associated costs can help you make an informed decision. This article breaks down the costs by brand, type, size, and the additional expenses involved in replacing an existing water heater.
What's covered in this article?

Best Tankless Water Heater Brands By Cost

Here’s a detailed comparison of popular tankless water heater brands available in Calgary,Ab:

Tankless Water Heater Cost Breakdown by Type

The type of tankless water heater available in Calgary is primarily condensing, as non-condensing models are no longer sold or permitted due to their lower efficiency. Here’s an overview of the differences:

condensing tankless water heater
Condensing Tankless Water Heaters

These systems are very efficient, with ratings of 95% or higher. They capture heat from exhaust gases to preheat incoming water, leading to condensation. They feature power venting and advanced technology, making them suitable for modern high-efficiency systems. Installation costs usually range from $5,000 to $9,000, depending on the brand and system complexity.

VS
Non condensing tankless water heater
Non-Condensing Tankless Water Heaters

With efficiency levels around 80%, these models are available only in the U.S. They lack the condensation process, making them less efficient and better suited for older systems in regions where regulations are more lenient.


Condensing tankless systems represent the future of water heating in Calgary, providing both environmental benefits and long-term cost savings.

Tankless water Heater Cost By Size

The size of a tankless water heater plays a crucial role in determining its cost and suitability. It is measured by its flow rate, known as gallons per minute (GPM), which directly impacts the unit’s performance.

GPM (gallons per minute) indicates the volume of water the heater can deliver. For instance, a 5 GPM unit can handle one or two fixtures running simultaneously, such as a shower and a sink.

Flow Rate (GPM)

Suitable For

Cost Range (Including Installation)

small house

Small Units

Up to 5 GPM

Single fixtures or small households (1-2 people)

$800 - $1,500

medium house

Medium Units

5-10 GPM

Medium-sized households (3-4 people)

$1,500 - $3,000

Large Units

Over 10 GPM

Larger households (5+ people)

$3,000+

Cost to Install a Tankless Water Heater by Fuel Type

The cost of installing a tankless water heater in Calgary varies based on the fuel type, unit price, and installation complexity. Here’s a breakdown of estimated costs by fuel type:

Key Considerations

Household Size: Always consider the number of occupants and their water usage habits when selecting a tank size.

Efficiency vs. Capacity: Larger tanks consume more energy but are necessary for high water demands. Hybrid or energy-efficient models can offset operational costs.

Future Needs: If you anticipate growth in household size or usage, it might be worth investing in a larger tank upfront.

Associated Cost With Hot Water Tank Installation or Replacement

Installing a tankless water heater in Calgary involves various components that contribute to the overall cost. Here’s a breakdown of these factors, presented in layman’s terms:

Here’s a table based on the analysis of the Angi article, adjusted for the Calgary market:

Tankless Water Heater Unit Estimated Cost: $1,500 – $4,500

Cost of the tankless water heater itself, depending on brand and capacity.

Professional installation, including setup and connections.

Required permits to ensure compliance with local codes.

Adding or upgrading gas lines for natural gas or propane heaters.

Upgrades to wiring or circuit breakers to support the system.

Installation of vents to safely expel combustion gases.

Modifications to plumbing to connect the heater.

Safe removal and disposal of the existing water heater.

Ensuring proper water pressure to protect the new system.

Adding insulation to pipes for improved efficiency and heat retention.

Adjustments to the home, such as creating openings for vents or adjusting layouts.

Potential savings on utility bills due to the high efficiency of tankless systems (15-40% reduction).

These estimates provide a general idea of the expenses involved in installing a tankless water heater in Calgary. Actual costs can vary based on specific circumstances and the complexity of the installation.

Advantages

Energy Efficiency
  • Tankless water heaters provide hot water on demand, avoiding energy waste from maintaining a tank of heated water.
  • Ideal for Calgary’s focus on energy-efficient solutions and eco-friendly initiatives.
  • Can reduce energy bills by 15-40% compared to traditional systems.
  • Perfect for larger Calgary households or homes with high hot water demands.
  • No worries about running out of hot water during long winters.
  • Compact units are a great fit for homes where space is at a premium.
  • Especially beneficial for Calgary’s urban households or smaller homes.
  • Lasts 15-20 years, which is longer than traditional tank systems (8-12 years).
  • High durability makes it a cost-effective choice over time.
  • Reduced carbon footprint aligns with Calgary’s increasing green energy incentives.
  • Modern condensing models have up to 95% efficiency.

Disadvantages

  • Installation costs are significantly higher than traditional systems, ranging from $3,500 to $5,500 on average in Calgary.
  • May require additional expenses for gas line upgrades or electrical work.
  • During peak demand, a single tankless unit may struggle to supply enough hot water to multiple outlets simultaneously.
  • For larger Calgary homes, multiple units may be needed, increasing costs.
  • Calgary’s harsh winters can affect outdoor tankless units.
  • Proper insulation and freeze protection are essential, adding to the installation cost.
  • Natural gas-powered units require venting and gas line upgrades, which can be expensive.
  • Retrofitting older Calgary homes for these needs can add to the complexity and cost.
  • Requires regular maintenance, such as descaling, especially in areas with hard water like Calgary.
  • Hard water buildup can reduce efficiency if not managed properly.
  • Some homeowners find the delay in hot water delivery (a few seconds) inconvenient compared to instant hot water from tank systems.

FAQ's

How much does a tankless water heater cost in Calgary?

The average cost of a tankless water heater in Calgary ranges from $5,400 to $8,800, including professional installation and full warranty.

Yes, additional costs may include permits, gas line installation, electrical work, venting, and removal of the old system. These can add several hundred to a few thousand dollars to the overall cost.

Yes, tankless water heaters are more energy-efficient than traditional tank systems, potentially saving homeowners up to 30% on energy bills.

Tankless water heaters typically have a lifespan of 20 years or more with proper maintenance, which is longer than traditional tank water heaters.

Rebates and incentives may be available for energy-efficient upgrades, including tankless water heaters. It’s advisable to check with local government programs and utility providers for current offerings.

Installation time can vary but typically takes between 4 to 8 hours, depending on the complexity of the installation and any necessary modifications to your home’s plumbing or electrical systems.

Yes, but choosing a unit with the appropriate capacity for your household’s hot water demands is important. Consulting with a Comfort Union Proffesional can help determine the right size for your needs.

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