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Home EN Water Heater

Water Heater Services in Toronto & the GTA

From replacing an aging hot water tank to upgrading to tankless or servicing your existing system, Mas Air helps you find the right solution for your home.

Get a free on-site assessment and quote from our experienced HVAC team, with 24/7 support and same-day service when available.

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✓ Licensed & Insured Technicians
✓ Serving Toronto & the GTA
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Find the Right Water Heater Service for Your Home

Replacing an aging unit, considering a tankless upgrade, dealing with an unexpected hot water problem, or planning preventive maintenance? Explore the options below and find the right next step for your Toronto or GTA home.

TANK & TANKLESS

Installation & Replacement

Explore Installation Options DIAGNOSIS & REPAIR

Water Heater Repair

View Repair Services PREVENTIVE CARE

Water Heater Maintenance

Learn What Maintenance Covers
Installation & Replacement

Tank or Tankless?
Compare Your Installation Options

Compare upfront cost, energy bills, hot water supply and what each system needs in your home.

Stored hot water

Tank Water Heaters

Residential storage tank water heater
Upfront Cost $$ Usually lower
Energy Bills Usually higher Heat is lost while stored
  • Hot WaterLimited by tank size
  • InstallationOften easier to replace with a similar tank
  • SpaceNeeds floor space
Explore Tank Installation
On-demand hot water

Tankless Water Heaters

Tankless water heater equipment
Upfront Cost $$$$ Usually higher
Energy Bills Often lower Heats water only when needed*
  • Hot WaterHeated on demand; flow rate (GPM) still limits use
  • InstallationMay need gas line or vent upgrades
  • SpaceCompact, wall-mounted unit
Explore Tankless Installation

Quick note: $$ / $$$$ show relative upfront costs for typical gas installations, not quotes or a fixed price ratio. Both systems need regular care; tankless models may need descaling.

*Data from Natural Resources Canada indicates that ENERGY STAR certified tankless water heaters consume roughly 30% less energy than standard storage tank models. Actual utility bill savings may vary based on usage and environmental factors.

Not sure which to choose or if you can switch to tankless? We can check your current setup and give you a free on-site quote.

Book a Free Assessment Call +1 (647) 360-6623

A repair may still be possible. Explore our Water Heater Repair Services before deciding to replace your water heater.

Routine care · Tank & tankless

What Does Water Heater Maintenance Include?

Regular checks can help catch leaks, scale and hot water problems early. Mas Air services tank and tankless water heaters across Toronto and the GTA.

  • Leaks & Connections

    Check for drips, rust and worn fittings.

  • Temperature & Controls

    Check water temperature and how the heater runs.

  • Tank Water Heaters

    Check for sediment and signs of tank wear.

  • Tankless Water Heaters

    Check filters and scale. Descaling may be needed.

Due for a water heater check? Ask about yearly maintenance. The work depends on your model and its condition.

Ask About Maintenance Call +1 (855) 795-1199
Water heater maintenance service
Locally based · Serving Toronto & the GTA

Why Choose Mas Air for Water Heater Services?

Need a new water heater or service for your current one? Our team helps Toronto and GTA homeowners with tank and tankless systems.

Local Water Heater Expertise

Based in Mississauga, Mas Air serves homeowners in Toronto, Mississauga, Vaughan, Markham, Richmond Hill, North York, Scarborough, Brampton and nearby communities.

View Areas We Serve

24/7 Support & Same-Day Availability

Reach our team any time. Same-day visits may be available when the schedule allows; we will confirm your appointment.

Experienced Water Heater Technicians

Our HVAC team includes technicians with 15+ years of experience, including water heater installation, repair and maintenance.

Meet Our Team

Free On-Site Assessment & Quote

For installations, we check your current setup and provide a free quote. We explain the work and costs before you approve it.

Careful Work & Quality Parts

We check system operation after installation and use manufacturer or quality replacement parts for repairs when appropriate.

Comfort You Can Count On

Families throughout the Greater Toronto and Hamilton Area trust Mas Air Home Comfort for service that’s fast, reliable, and rooted in real expertise. From urgent AC repairs to seasonal furnace checkups and everyday HVAC problems, we focus on delivering results that restore comfort—without delay or hassle. 

Read Our 5 Star reviews from 100+ Families
The most honest HVAC company in the GTA!

Jack came over, was able to offer a reasonable solution to my home temperature issues.
When on site, realized that half of the job was not necessary. Let me know and didn’t charge me for needless work.

After the adjustment, I had overpaid - MAS refunded the difference on their own initiative.
David H Toronto
I recently installed heating, air conditioning, a water heater, and a water softener, all thanks to the recommendations from sales representative Shawn.

He was extremely professional and provided fair pricing tailored to my house.

Shawn promptly addressed any questions I had before and after installation.
Miranda Z North York
My furnace stopped working in a Sat morning, then I start looking for solutions.

My friend refered Norman to me and he came to check for me 2 hours later found out that the heat exchanger was gone.

Very fast response and great service, thumbs up! Will definitely recommend Norman to my friends
Jackie C Richmond Hill
We want to replace our water tank to an energy saving tankless water heater and sought assistance from this company. Shawn, our advisor, was exceptionally patient and thorough. He took the time to explain all possible options and detail with us, ensuring he fully understood our needs and preferences as customers. When it came time for the installation, David, the technician, was incredibly professional. He arrived promptly, worked efficiently, and maintained a high level of cleanliness throughout the process. His attention to detail and meticulous approach ensured everything was installed perfectly. I have nothing but good things to say. 
Cherry P Scarborough
Very happy with their service. Our furnace broke down on the weekend, and they booked to come the next day for a replacement.
The rep (Shawn) on the phone was very knowledgeable. His quote was a good price and it came with labour cost all inclusive, so no hidden fees.
When they got here, the technicians are highly skilled, hard working, and took the time to explain and answer our many questions. I am recommending these guys to my friends.
Mory Y Toronto

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Water Heater FAQs

The cost depends on the type of water heater, its size, and your home’s setup. Tank water heaters usually cost less to install. Tankless systems may need gas line, venting, or plumbing changes. Mas Air offers a free on-site assessment and installation quote.

Yes, many homes can switch to tankless. Before installation, we check your hot water needs, gas supply, venting, and available space. Some homes need extra work to support the new system.

Learn more about our Tankless Water Heater Installation.

Many standard tank replacements can be completed in one visit. Switching to tankless may take longer if gas lines, venting, or pipes need changes. We review the work and confirm the schedule before installation.

You can contact Mas Air 24/7 for water heater problems. Same-day visits may be available, depending on our schedule. If you have no hot water or need an urgent repair, visit our Water Heater Repair Services.

Need Help With Your Water Heater?

Need a new water heater, help with a breakdown, or routine maintenance? Mas Air services tank and tankless water heaters across Toronto and the GTA.

Book online and tell us what you need. Our team will review your request and confirm the next available appointment.

24/7 Support · Same-Day Visits When Available

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24/7 Emergency Repair

Free on-site assessment and quote for new installations.

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