Thermoza service standard
Clear communication
We explain the work, answer questions, and keep the next step clear from assessment through completion.
Company information — not a customer review.
Ottawa, Nepean, Barrhaven, Kanata & Orléans
Warmth that feels right at home.
Thermoza Inc. installs high-efficiency furnaces, AC, and heat pumps for Ottawa homes. Proper sizing, clean installation, and fair, upfront pricing — so comfort feels effortless, year after year.
High-efficiency systems
Clean workmanship
Ottawa-focused service
Home comfort
Built for Ottawa winters.
Thoughtful equipment selection and careful installation help create the quiet, dependable comfort you expect at home.
Licensed & Insured
Same-Day Service Available
Fair Pricing — No Hidden Fees
24/7 Emergency Repair
What we do
Everything your home's comfort system needs.
Trusted brands we install
LennoxRinnaiRheemAprilaireGeneralAireBradford WhiteEcobee
Recent work
Real installations, real Ottawa homes.
A look at the furnaces, water heaters, heat pumps, and ductwork we have installed across the city — select any photo for a closer look.
A simple process
From cold house to comfortable home.
01
Free in-home assessment
We look at your current system, ductwork, and how your home actually uses heating and cooling before recommending anything.
02
A clear, honest quote
You get straightforward pricing and equipment options — no pressure, no confusing upsells, just the right fit for your budget.
03
Clean installation
Our technicians protect your home, install with care, and leave the work area as tidy as they found it.
04
Warrantied for the long run
Every installation is backed by warranty, and we're a phone call away if anything needs a follow-up visit.
Straightforward pricing
Know what you're paying, before we start.
Every installation includes a free in-home assessment. No hidden fees, ever.
Furnace Maintenance
$150per visit
Ensure optimal heating performance and safety before the cold sets in.
- Full multi-point inspection
- Safety & carbon monoxide check
- Filter check & efficiency tune-up
Most requested
System Installation
From $500final quote after assessment
Upgrade to a new high-efficiency heating or cooling system, installed right.
- Free in-home load assessment
- Lennox, Rinnai & trusted brands
- Warrantied workmanship
AC Repair
From $100service call
Efficient air conditioning diagnostics and repair, right at your doorstep.
- Fast diagnostics
- Upfront repair pricing
- Same-day service available
Where we work
Proudly serving Ottawa & the surrounding area.
Based on 35 Elvaston Ave in Ottawa, our team travels across the city for installs, repairs, and same-day emergency calls.
Ottawa
Nepean
Barrhaven
Kanata
Orléans
Just outside these areas? Give us a call — we're happy to check.
More about each areaWhat Ottawa homeowners say
Trusted across the city.
Google Maps
Connected to our official Google profile.
Verified customer feedback will automatically replace the service-standard cards below as qualifying Google reviews become available.
Thermoza service standard
Respectful, tidy work
Our goal is a careful installation, an organized work area, and a clean handoff when the job is done.
Company information — not a customer review.
Thermoza service standard
Results you can inspect
We focus on practical HVAC solutions and give homeowners a finished result they can see and understand.
Company information — not a customer review.
Only verified Google reviews rated 4 or 5 stars are featured here, in Google's relevance order. View the complete, unfiltered profile on Google Maps.
FAQ
Common questions, straight answers.
We recommend a full maintenance visit once a year, ideally before heating season starts. Regular tune-ups catch small issues early, keep your system running efficiently, and help avoid a breakdown on the coldest night of the year.
Ready for better comfort?
Let's find the right system for your home.
Tell us what's happening with your heating or cooling system and we'll help you plan the next step — or just call us directly.