Water Heaters

August 28, 2025

Benefits of Tankless Water Heaters

David L., Heating, Cooling & Home Energy Systems Expert

by David L., Heating, Cooling & Home Energy Systems Expert at Comfort Next

benefits of tankless hot water heater - Comfort Next

Are you tired of bulky water tanks taking up valuable space in your basement—or running out of hot water mid-shower? It might be time to consider the benefits of tankless water heaters. At Comfort Nexts Heating & Cooling, we help homeowners in Aurora, Newmarket, Vaughan, Milton, and across the GTA enjoy modern, energy-efficient hot water systems.

Unlike traditional tanks, a tankless hot water heater (also called an on-demand water heater) only heats water when you need it—making it one of the smartest and most sustainable upgrades for your home.


What Is a Tankless Water Heater?

A tankless water heater works without a storage tank. Instead, when you turn on the tap, powerful burners or heating elements warm the water instantly as it flows through the system.

This simple innovation eliminates standby energy loss, where traditional tanks constantly heat and reheat stored water even when you’re not using it.

Hot water on demand
Lower energy bills
Longer lifespan

Advantages of Tankless Water Heaters

Here are the key benefits of tankless water heaters compared to traditional tanks:

1. Endless Hot Water
Enjoy a continuous supply of hot water—perfect for families with multiple showers or high daily usage.

2. Energy Efficiency
One of the biggest benefits of a tankless hot water heater is energy savings. Tankless systems can reduce water heating costs by up to 35%.

3. Space-Saving Design
Tankless water heaters are compact and wall-mounted, freeing up valuable floor space in your home.

4. Longer Lifespan
With proper care, a tankless water heater can last 15–20 years, almost double the lifespan of a traditional tank.

5. Eco-Friendly Upgrade
By using less energy, tankless systems reduce your carbon footprint—an important step toward a more sustainable home.


Get Your Free Tankless Water Heater Consultation

Upgrade to endless hot water and lower energy bills with a high-efficiency system.
Book your free consultation today in Aurora & GTA.


    Disadvantages of Tankless Water Heaters

    While the benefits of tankless water heaters are significant, it’s also important to consider the disadvantages of tankless water heaters before making a decision:

    Higher Upfront Cost: Tankless units typically cost more than traditional tanks to purchase and install.
    Installation Complexity: Some homes may require upgrades to gas lines, venting, or electrical systems.
    Output Limits: While they provide endless hot water, a single unit may struggle if multiple high-demand appliances (showers, laundry, dishwasher) are running at the same time.

    At Comfort Next, our technicians will evaluate your household’s needs and recommend the right system to balance cost, efficiency, and performance.


    Tankless Water Heaters vs Tank Models: Key Differences Explained

    FeatureTraditional TankTankless Water Heater
    Hot Water SupplyLimited to tank sizeEndless, on demand
    Energy UseConstant reheatingOnly heats when needed
    Lifespan8–12 years15–20 years
    SizeLarge, bulkyCompact, wall-mounted
    Eco-FriendlyHigher wasteLower energy footprint

    Ontario Tankless Water Heater Rebates & Incentives

    Upgrading to a high-efficiency tankless hot water heater doesn’t just save you money on monthly energy bills—it may also qualify you for valuable Ontario rebates and incentives.

    Current rebate programs often encourage homeowners to switch to energy-efficient equipment that reduces carbon emissions and lowers household energy use. Depending on eligibility, you could receive hundreds of dollars in savings when installing a tankless water heater in your home.

    At Comfort Next, we stay up to date on the latest rebate offers across Aurora, Newmarket, Vaughan, Milton, and the GTA. When you choose us, our experts will:

    • Review your eligibility for Ontario energy efficiency rebates.
    • Help you apply for available tankless water heater incentives.
    • Maximize your upfront savings while reducing long-term costs.

    Rebates change regularly, so contact our team today for the most current tankless water heater rebates in Ontario and to learn how much you can save on your installation.


    Tankless Heater FAQ

    Still have questions?

    Our experts are here for you 24/7contact us for answers and personalized advice.


    Request Your Quote Today

    Our experts will help you choose the right tankless water heater for your home, size it properly for your household’s hot water needs, and guide you through available Ontario rebates.
    📩 Request Your Free Quote — Serving Aurora, Barrie, Midland, the GTA, and nearby areas.


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