Call Now Back to Site
🔒 Official Notice: GT Home Services never uses door-to-door salespeople. Only book through (647) 677-0037 or gthomeservices.caOpen 24/7 · Brampton & the GTA · Licensed & Insured
(647) 677-0037Call
Menu
Home › Tankless Water Heater Installation Oshawa

Tankless Water Heater Installation Oshawa.

GT Home Services provides professional tankless water heater installation across Oshawa. From McLaughlin to Pinecrest, our technicians get the job done right — same day, every time.

From $37.99/moOn-Demand Hot WaterSave Up to 40%Same-Day Install
About This Service

Why Oshawa Homeowners
Choose GT Home Services.

Tankless water heaters provide endless hot water on demand while using up to 40% less energy than traditional tank units. GT Home Services installs leading brands like Navien across Brampton, Mississauga, Toronto, and the GTA. Compact, wall-mounted units free up space and last longer than traditional tanks.

  • Never run out of hot water — endless on-demand supply
  • Save up to 40% on energy bills vs tank heaters
  • Compact wall-mounted design saves space
  • Monthly rental from $37.99/mo — no upfront cost
  • Purchase from $3,111 fully installed
  • Leading brands including Navien, Rinnai & Kepler
  • Installation completed in a single visit
  • Serving Oshawa & surrounding area
Pricing Options
Monthly Rental
From $37.99/mo*
No upfront cost. Includes installation, annual service, and parts & labour.
Purchase Outright
From $3,111*
Fully installed. Includes manufacturer warranty and post-install inspection.

*Includes standard installation only. Any extra work your home needs is quoted before we start.

📞 Call (647) 677-0037 Get a Free Quote →
Same-day installation available
Fully licensed & insured
Flat-rate pricing — no surprises
Open 24/7
Why GT Home Services

Brampton's Family-Owned
HVAC Team

Endless Hot Water
On-demand heating means you'll never run out, even in a large household.
Energy Savings
Save up to 40% on water heating costs compared to traditional tanks.
Space Saving
Wall-mounted units are compact and free up valuable basement space.
Choose Your System

Standard or Premium.

Both tiers deliver endless hot water, same-day installation, and industry-leading warranties. Pick the system that fits your home and budget.

Standard
Reliable On-Demand Hot Water
NAVIEN · S2 RINNAI · RX
  • ✓Endless on-demand hot water
  • ✓ENERGY STAR® certified models — save up to 40% on water heating bills
  • ✓Compact wall-mounted design
  • ✓Same-day installation
  • ✓Natural gas powered
Select Model & Home Size

*Includes standard installation only. Any extra work your home needs is quoted before we start.

Purchase Warranty
10 yrs parts  ·  1 yr labour
Rental Coverage
12 yrs parts & labour — full coverage
Parts, labour & annual maintenance included
Get a Quote →
Most Popular
Premium
Advanced Performance & Smart Control
NAVIEN · A2 RINNAI · RXP KEPLER
  • ✓Endless on-demand hot water
  • ✓Advanced cascade & recirculation technology
  • ✓Smart home compatible — Wi-Fi enabled
  • ✓Higher flow rate — ideal for large homes
  • ✓Same-day installation
  • ✓Enhanced diagnostic & self-monitoring
Select Model & Home Size

*Includes standard installation only. Any extra work your home needs is quoted before we start.

Purchase Warranty
10 yrs parts  ·  5 yrs labour
Rental Coverage
12 yrs parts & labour — full coverage
Parts, labour & annual maintenance included
Get a Quote →
FAQ

Common Questions

How much does tankless water heater installation cost in Oshawa?
GT Home Services offers tankless water heater rental from $37.99/month in Oshawa, or purchase from $3,111 fully installed. Call (647) 677-0037 for a free quote.
How long does installation take?
Most tankless water heater installations are completed in 3–5 hours in a single visit.
What brands do you install?
We install Navien, Rinnai, and Kepler tankless water heaters — three of the most reliable and efficient brands available in Canada.

Ready for a Free Quote?

Call us or fill out our form — we respond within the hour.

📞 Call (647) 677-0037