“Installed furnace same day – very clean work”
We needed an urgent furnace installation in Ottawa and Thermoza delivered right away. Professional service with fair pricing and no hidden fees.
— Homeowner in Barrhaven
What Ottawa Homeowners Say
Thermoza Inc. is proud to be a trusted HVAC contractor in Ottawa. We are licensed & insured, offer warranties on all installations, and work with premium brands like Lennox and Rinnai to ensure your year-round comfort.
Check our Google reviews for more stories from Ottawa homeowners
“Fast, friendly and professional – our house is warm again”
The best HVAC contractor in Ottawa. They handled our emergency HVAC Ottawa repair during the record cold snap with absolute professionalism.
— Homeowner in Kanata
“Honest pricing and neat installation – highly recommend”
Excellent tankless water heater Ottawa installation. Honest, neat, and highly communicative certified team. Very happy with the result.
— Homeowner in Orleans
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Same-Day Service Available
Need emergency HVAC Ottawa assistance? Our team provides rapid response and same-day service available for all residential repairs. We serve homeowners across Ottawa and surrounding areas with reliable heating and cooling care.
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Licensed, Insured & Trusted
As a trusted HVAC contractor in Ottawa, we are fully licensed and insured for your peace of mind. Every furnace installation Ottawa comes with a warranty on installations to ensure long-term comfort and safety for your home.
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Fair Pricing – No Hidden Fees
We offer transparent pricing for tankless water heater Ottawa projects. Installing premium brands like Lennox and Rinnai with no hidden fees, we serve homeowners across Ottawa and nearby areas—call or request a quote today!
Trusted HVAC Contractor in Ottawa – Licensed & Insured
Thermoza Inc. is your reliable choice for Furnace Installation Ottawa and Tankless Water Heater Ottawa services. We provide professional Emergency HVAC Ottawa response featuring leading brands like Lennox and Rinnai. Serving homeowners across Ottawa and surrounding areas, our licensed and insured team offers full warranties on all new installations. Call now for a free estimate or get your quote today.
Trusted HVAC Contractor in Ottawa
- Same-Day Service Available
- Licensed & Insured
- Fair Pricing – No Hidden Fees
- Serving Ottawa & Surrounding Areas
We are your licensed and insured local experts, providing full warranties on all high-efficiency installations. From Furnace Installation Ottawa to precision Tankless Water Heater Ottawa solutions, we use top brands like Lennox and Rinnai for peak performance. Whether you need Emergency HVAC Ottawa repairs or a seasonal tune-up, our team is ready to help homeowners across Ottawa and nearby areas stay comfortable naturally.
(613) 890-7470
Furnace Installation Ottawa
Optimize your home's warmth with high-efficiency Lennox furnace installations. We provide a full warranty on all installations and professional repairs for total peace of mind.
Expert HVAC Services in Ottawa
Licensed & Insured professionals serving homeowners across Ottawa and nearby areas. From Lennox furnaces to Rinnai tankless systems, we deliver reliability you can trust.
Tankless Water Heater Ottawa
Upgrade to a high-efficiency Tankless Water Heater Ottawa from top brands like Rinnai. Enjoy endless hot water while our licensed team ensures a perfect, warranted setup.
Emergency HVAC Ottawa
Providing 24/7 Emergency HVAC Ottawa services when you need us most. Our licensed and insured team arrive fast to handle urgent repairs and tune-ups.
Our Recent Installations
A look at some of our recent furnace, AC, and heat pump projects for Ottawa homeowners.
Heating Services
Stay cool during Ottawa's hottest months with our expert cooling installations and prompt repair services. We provide high-efficiency systems engineered to lower your energy bills while maintaining consistent, reliable comfort.
Cooling Services
- AC installation and repair
- Seasonal cooling tune-ups
- Ductless system service
- Emergency AC repair
Maintenance & Tune-Ups
- Seasonal maintenance checks
- Precision system tune-ups
- Air filter replacement
- Efficiency performance testing
Need help with your heating or cooling? Contact us for a free quote.
Call for a Free Estimate Today
Serving homeowners across Ottawa and nearby areas as your trusted HVAC contractor. We are licensed, insured, and offer full warranties on installations of leading brands like Lennox and Rinnai. Call us now or request a quote for your Furnace Installation Ottawa or Tankless Water Heater Ottawa project.
(613) 890-7470