HRSP (with assessment)
Active · limits applyUp to $10,000 per home for insulation, windows and air sealing, plus $600 back on your assessments — if the follow-up assessment is done by December 31, 2026
Audit required
Regional guide · updated October 2, 2026
The Ottawa home energy guide
Ottawa winters are among the coldest of Ontario's big cities, which changes the math: every envelope upgrade pays back faster here, and undersized or oversized heat pumps get found out in the first cold snap.
The housing stock, read like an auditor
Ottawa grew fastest in the 1960s–80s, so the dominant profile is the suburban split and two-storey with R-8 to R-12 walls, R-20 attics, and original ductwork — plus older stock in Centretown, the Glebe, and Vanier, and rural properties on oil or propane in the surrounding townships. Electric baseboard is common in 1970s builds, making Ottawa prime heat-pump conversion territory — with the caveat that units must be sized for genuine -25°C performance, not brochure numbers.
What audits find in Ottawa
- Attics at half the insulation the climate calls for — the region's most reliable payback
- Rim-joist leakage that makes split-level lower floors uncomfortable all winter
- Electric baseboard homes paying roughly 1.7–2.5× what a cold-climate heat pump would cost to run
- Oil-heated rural homes with the fastest fuel-switch paybacks in the province
- Ice damming on low-slope additions from warm-air bypasses
Tests to ask for by name
- Blower door test — the leakage number that reorders your plan
- Infrared scan — finds the empty walls without opening them
- CSA F280 heat-loss calculation — before any heat pump quote
- Radon test — Health Canada recommends it for every home
Run the planner for the full test list matched to your house — it carries into your audit request automatically.
The rebate angle
Home Renovation Savings applies across Ottawa. Its assessment path pays $600 toward your two assessments once you install at least two recommended upgrades, plus up to $7,700 for insulation, if you book one of the seven approved organizations and get the follow-up done within 180 days of the first assessment or by December 31, 2026, whichever comes first. The no-assessment stream pays up to $7,500 for a cold-climate heat pump replacing electric, oil or propane heat. The City's Better Homes Ottawa Loan Program, which remains open, adds financing: 20-year loans at 4.33% fixed, from $10,000 up to $125,000 or 10% of your home's assessed value (whichever is less), repaid through your property tax bill with a 4% administrative fee, and EnerGuide assessments required before and after. For baseboard-heated homes, pairing the audit's CSA F280 heat-loss calculation with the heat pump rebate is the single highest-value move in the city.
HRSP (no assessment)
ActiveHeat pumps up to $7,500 ($12,000 ground-source), solar with battery up to $10,000, plus attic, thermostat and appliance rebates — no assessment needed
No audit required
CMHC Eco Improvement
Active25% back on your CMHC mortgage insurance premium after $20,000 of energy renovations
No audit required
Monitor & test in Ottawa: air, water, and what's in the walls
Beyond energy, every area has its own home-health checklist — driven by local geology, water sources, housing eras, and weather. Here's Ottawa's, each item linked to its full guide. The 30-second screener personalizes this to your exact house.
Radon — priority here
The Ottawa area sits in one of Ontario's more radon-prone belts, and Ottawa Public Health urges every household to test. If you do one thing from this guide, start the winter kit.
Well water in the rural wards
Manotick, Carp, Dunrobin, and the rural west run on private wells — bacteriological testing is free through the public lab, and spring melt is the moment contamination sneaks in.
CO in a deep-winter city
Long heating seasons mean long furnace hours. Check alarm expiry dates each fall, and get the spillage check with any air-sealing work — Ottawa's cold snaps are when backdrafting shows up.
Dry-winter humidity swings
Ottawa winters drive indoor humidity to desert levels while summers push basements the other way. A pair of $15–$25 hygrometers tells you which problem you actually have, each season.
The gear side — monitors, alarms, kits — lives in the gear guides.
Registered advisors serving Ottawa
All 7 are NRCan-licensed service organizations — with direct links to their Google, HomeStars, and BBB reviews. Only assessments from the seven HRSP-approved organizations qualify for the $600 Home Renovation Savings rebate; each card says whether the provider is one of them. Full directory view →
The Energuy
CompanyNRCan-registered service organization
Province-wide Ontario coverage; also active in BC, AB, SK, MB and several US states
Canada Energy Audit
CompanyNRCan-registered service organization
Ontario-wide on NRCan's registry, from a Richmond Hill head office; also active in BC
AmeriSpec Canada
FranchiseNRCan-licensed for EnerGuide since 2001
National home-inspection franchise; EnerGuide services vary by local franchise
NRGwise Consulting
CompanyNRCan-registered service organization
Most of Ontario through four regional lines: Eastern 613-518-3901, Southern 647-479-8542, Southwestern 519-914-5472, and North & Central 705-998-2563
Energy Werx
CompanyNRCan-registered service organization
Regional offices across Ontario: Toronto 416-558-8546, Eastern Ontario 613-686-5949, Niagara and Haldimand 289-267-2803, plus Mississauga, Southwestern Ontario, Windsor and the North
The Home Inspectors Group
CompanyNRCan-registered service organization
Ontario-wide from a Markham office, with local lines for the GTA (647-792-0276) and Ottawa (613-417-0432); its own list includes Kingston, Peterborough, Barrie, Waterloo, London, Niagara, Hamilton–Halton and Windsor–Essex
Greenbrain
CompanyNRCan-registered service organization
Ontario-wide on NRCan's registry; also Alberta, BC and Manitoba
Common Ottawa problems, diagnosed
Drafts and cold rooms →Heating bills feel too high →Ice dams and icicles →Thinking about a heat pump →
Local questions
Do heat pumps actually work in Ottawa winters?
Modern cold-climate units are rated to -25°C and beyond and heat Ottawa homes through almost every hour of the year — the failures you hear about are sizing failures. That's what the room-by-room heat-loss calculation prevents; get it before any quote.
What should rural Ottawa-area homeowners do first?
If you heat with oil or propane, the audit plus a heat-pump conversion usually beats every other investment — and the assessment documents the before/after that resale buyers increasingly ask for.
Who does EnerGuide assessments in Ottawa?
Seven organizations in our directory serve Ottawa, and all seven are approved for Home Renovation Savings assessments. Four have local lines: NRGwise (613-518-3901), Energy Werx (613-686-5949), The Home Inspectors Group (613-417-0432) and AmeriSpec's Ottawa office (613-592-6111); The Energuy, Canada Energy Audit and Greenbrain book through toll-free lines. EnviroCentre, the non-profit that delivers Better Homes Ottawa, is also NRCan-licensed but isn't one of the seven HRSP-approved organizations.
Plan it properly in Ottawa
Tell us about your home and we'll match you with a registered service organization — with the right tests flagged for your situation.
Email us what you’re planning, your postal code and the type of building (a house, a duplex or triplex, or a larger multi-unit building) — we’ll reply with registered service organizations for your area and which rebates apply.
Email dave@clickshift.ca