Water Heaters Toronto

Tankless Water Heaters

The amazing tankless gas water heating systems are fuel-efficient, low-emission, space-savers that generate hot water as needed. No pilot light or bulky water tank to worry about…just instant hot water on demand!

If you’re building a new home or thinking about replacing your hot water tank, call us today to find out all the benefits of a tankless hot water system for your home. We've partnered with industry leaders in Canada when it comes to tankless water heaters.

AO Smith Through an inspired blend of innovation, efficiency and over 140 years of expertise, A. O. Smith continues to set the industry standard for performance and quality of water heaters and storage tanks.

A. O. Smith offers over 600 different models, including gas-fired, oil-fired, electric and tankless.

With both Condensing & Space saving electric models.

View the AO Smith Residential Product lines

Why Rent?

Why Rent? Mueller HVAC sells and installs many brands of Energy Star Tankless Water Heaters and Hot Water Tanks.

Here are some reasons why buying a water heater makes sense.

No contract

Lower cost over the life of the heater
Water heaters rarely break down in the first ten years (which is more than enough time to recoup the cost vs renting)
Lower energy costs when you install more efficient systems
We offer financing so you can spread the cost over a number of payments


Hot Water Tanks

At Mueller HVAC we support homeowners who want to reduce costs and purchase their own hot water tanks. We carry two of the best brands: Rheem and Viessmann.


  • .67 EF
  • ENERGY STAR® rated
  • More hot water at a low operating cost


  • FHR: 72 – 94 gallons for natural gas
  • Recovery rate is 36.4 – 38.4 gallons for natural gas at a 90 degree rise

Guardian System™ & Sensor

  • Exclusive air/fuel shut-off device for double protection
  • Maintenance free – no filter to clean

Low Emissions

  • Ultra Low NOx radiant burner design
  • Stainless steel construction
  • SCAQMD Rule 1121 compliant
  • Meets 10 ng/J NOx requirements


  • EverKleen™ patented system fights sediment build-up
  • Reduces fuel costs
  • Provides more hot water

Flexible Venting Options

  • Long venting lengths up to 100 feet
  • PVC, ABS, or CPVC vent pipe options
  • Vertical or horizontal termination

Longer Life

  • Rheem exclusive R-Tech (resistored) anode rod provides long-lasting tank protection

High Altitude Compliant

  • Certified to 5,999 ft. above sea level


  • Whisper quiet blower
  • Enhanced-flow brass drain valve
  • Temperature and pressure relief valve included
  • Low lead compliant
  • Durable spark-to-pilot ignitor



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serving the Toronto and GTA proudly

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Tel: 905-567-4183
Toronto, Ontario