Government of Ontario

Tier 1 - Government, Regulators, Standards Bodies

We cite 92 sources from Government of Ontario across our Ontario HVAC and home energy guides.

See our verification methodology for how we vet sources.

Cited Sources

• 120332
  https://www.ontario.ca/laws/regulation/120332
  Cited in: ac-drain-pan-rust-pinhole-leak-ontario, ac-indoor-unit-water-leak-ontario, ac-outdoor-unit-level-slope-ontario, ac-overflow-secondary-pan-ontario, ac-pool-heat-pump-sizing-ontario +64 more
• consumer-protection-ontario
  https://www.ontario.ca/page/consumer-protection-ontario
  Cited in: ac-blower-motor-start-capacitor-ontario, ac-compressor-hard-start-kit-ontario, ac-condenser-fan-blade-balance-ontario, ac-contactor-pitting-arc-ontario, ac-drain-pan-rust-pinhole-leak-ontario +42 more
• 02c30
  https://www.ontario.ca/laws/statute/02c30
  Cited in: ac-capacitor-replacement-ontario, ac-compressor-not-running-ontario, ac-compressor-warranty-claim-ontario, ac-contactor-replacement-ontario, ac-evaporator-coil-cleaning-ontario +30 more
• ontarios-building-code
  https://www.ontario.ca/page/ontarios-building-code
  Cited in: furnace-chimney-vs-direct-vent-ontario, hrv-vs-erv-ontario, hvac-duct-boot-sealing-ontario, hvac-flex-duct-compression-loss-ontario, hvac-for-basement-apartment-ontario +9 more
• rules-businesses-entering-contracts-consumers-home
  https://www.ontario.ca/page/rules-businesses-entering-contracts-consumers-home
  Cited in: basement-waterproofing-cost-ontario, buying-home-with-rental-hvac-ontario, common-hvac-install-mistakes-ontario, duct-cleaning-cost-ontario, emergency-hvac-service-ontario +12 more
• manage-energy-costs-your-home
  https://www.ontario.ca/page/manage-energy-costs-your-home
  Cited in: hvac-smart-thermostat-c-wire-retrofit-ontario, ontario-low-income-energy-help, toronto-hydro-rebates-oer-ontario
• 070213
  https://www.ontario.ca/laws/regulation/070213
  Cited in: chimney-relining-ontario, co-detector-placement-ontario, combustion-air-requirements-ontario, hvac-for-basement-apartments-ontario, hvac-for-off-grid-cottage-ontario +3 more
• 990164
  https://www.ontario.ca/laws/regulation/990164
  Cited in: ac-fuse-blown-outdoor-ontario, electrical-panel-upgrade-cost-ontario, ev-charger-home-install-ontario, ev-charger-installation-cost-ontario, hvac-thermostat-c-wire-ontario
• (untitled)
  https://www.skilledtradesontario.ca/
  Cited in: hvac-contractor-red-flags-ontario, hvac-electrical-panel-upgrade-ontario, hvac-permit-requirements-ontario, hvac-permits-ontario, hvac-startup-tests-homeowner-ontario +2 more
• 00t16
  https://www.ontario.ca/laws/statute/00t16
  Cited in: furnace-flame-sensor-issues-ontario, furnace-gas-leak-signs-ontario, furnace-high-limit-switch-trip-ontario, furnace-ignitor-replacement-cost-ontario, furnace-pressure-switch-issues-ontario +1 more
• (untitled)
  https://tribunalsontario.ca/ltb/
  Cited in: hvac-accessibility-ontario, hvac-for-basement-apartments-ontario, hvac-for-duplex-triplex-ontario, hvac-noise-bylaws-ontario, hvac-rental-properties-ontario
• 06r17
  https://www.ontario.ca/laws/statute/06r17
  Cited in: emergency-hvac-service-ontario, heat-pump-for-apartments-ontario, hvac-rental-properties-ontario, mobile-home-hvac-ontario, short-term-rental-hvac-ontario
• 98c19
  https://www.ontario.ca/laws/statute/98c19
  Cited in: condo-hvac-ontario, heat-pump-for-apartments-ontario, hvac-for-small-condo-units-ontario, hvac-townhouse-ontario, short-term-rental-hvac-ontario
• how-make-smart-energy-choices-home
  https://www.ontario.ca/page/how-make-smart-energy-choices-home
  Cited in: home-renovation-savings-program-ontario, hrs-rebate-application-walkthrough-ontario
• 140194
  https://www.ontario.ca/laws/regulation/140194
  Cited in: co-detector-placement-ontario, combustion-air-requirements-ontario, furnace-cracked-heat-exchanger-ontario, hvac-fall-shutdown-checklist-ontario
• carbon-monoxide-safety
  https://www.ontario.ca/page/carbon-monoxide-safety
  Cited in: co-detector-placement-ontario, furnace-rollout-switch-trip-ontario, ontario-co-alarm-rules
• door-door-sales-and-home-service-contracts
  https://www.ontario.ca/page/door-door-sales-and-home-service-contracts
  Cited in: choose-hvac-contractor-ontario, condo-hvac-ontario, hvac-consumer-protection-ontario, hvac-financing-ontario
• filing-consumer-complaint
  https://www.ontario.ca/page/filing-consumer-complaint
  Cited in: buying-home-with-rental-hvac-ontario, furnace-rental-contract-cancellation-ontario, hvac-contractor-verification-ontario, hvac-maintenance-contract-worth-it-ontario
• your-rights-when-starting-home-renovations-or-repairs
  https://www.ontario.ca/page/your-rights-when-starting-home-renovations-or-repairs
  Cited in: bathroom-renovation-cost-ontario, hvac-scam-red-flags-ontario, kitchen-renovation-cost-ontario
• governance
  https://condoauthorityontario.ca/en-US/condominium-living/governance
  Cited in: heat-pump-for-apartments-ontario, hvac-townhouse-ontario, window-ac-install-ontario
• 050570
  https://www.ontario.ca/laws/regulation/050570
  Cited in: ac-disconnect-box-code-ontario, hvac-contractor-verification-ontario, hvac-surge-protector-outdoor-unit-ontario
• ministry-municipal-affairs-housing
  https://www.ontario.ca/page/ministry-municipal-affairs-housing
  Cited in: attic-insulation-r-value-ontario, hvac-rental-properties-ontario, make-up-air-unit-ontario
• notices-security-interest
  https://www.ontario.ca/page/notices-security-interest
  Cited in: consumer-protection, hvac-consumer-protection-ontario, hvac-total-cost-ownership-ontario
• office-fire-marshal
  https://www.ontario.ca/page/office-fire-marshal
  Cited in: garage-door-insulation-ontario, hvac-for-basement-apartment-ontario, portable-heater-safety-ontario
• air-quality
  https://www.publichealthontario.ca/en/health-topics/environmental-occupational-health/air-quality
  Cited in: hvac-smoke-wildfire-indoor-air-ontario
• (untitled)
  https://www.condoauthorityontario.ca/
  Cited in: condo-hvac-ontario, hvac-for-small-condo-units-ontario
• (untitled)
  https://www.condoauthorityontario.ca/issues-and-dispute-resolution/dispute-resolution/
  Cited in: condo-hvac-ontario, heat-pump-for-apartments-ontario
• building-permits
  https://www.ontario.ca/document/citizens-guide-land-use-planning/building-permits
  Cited in: heat-pump-install-timeline-ontario
• solgen-co-alarm-requirements-homes-en-2025-12-17.pdf
  https://www.ontario.ca/files/2025-12/solgen-co-alarm-requirements-homes-en-2025-12-17.pdf
  Cited in: hvac-inspection-when-buying-home-ontario, indoor-air-quality-ontario
• 010212
  https://www.ontario.ca/laws/regulation/010212
  Cited in: furnace-gas-valve-replacement-ontario, gas-fireplace-cost-ontario
• 010215
  https://www.ontario.ca/laws/regulation/010215
  Cited in: hvac-contractor-insurance-check-ontario, hvac-natural-draft-water-heater-orphan-ontario
• 050541
  https://www.ontario.ca/laws/regulation/050541
  Cited in: home-battery-worth-it-ontario, solar-panels-ontario-worth-it
• 90o18
  https://www.ontario.ca/laws/statute/90o18
  Cited in: century-home-hvac-ontario, hvac-for-century-homes-ontario
• s24018
  https://www.ontario.ca/laws/statute/s24018
  Cited in: consumer-protection, hvac-consumer-protection-ontario
• consumer-protection-and-your-home
  https://www.ontario.ca/page/consumer-protection-and-your-home
  Cited in: ac-repair-cost-ontario, consumer-protection
• electricity-price-plans
  https://www.ontario.ca/page/electricity-price-plans
  Cited in: gas-vs-electric-water-heater-ontario
• environment-and-energy
  https://www.ontario.ca/page/environment-and-energy
  Cited in: dual-fuel-hybrid-heat-pump-furnace-ontario
• guide-home-renovation-and-roofing-businesses
  https://www.ontario.ca/page/guide-home-renovation-and-roofing-businesses
  Cited in: bathroom-renovation-cost-ontario, kitchen-renovation-cost-ontario
• (untitled)
  https://www.skilledtradesontario.ca/about-trades/trades-information/
  Cited in: choose-hvac-contractor-ontario, hvac-consumer-protection-ontario
• (untitled)
  https://211ontario.ca/
  Cited in: emergency-hvac-service-ontario
• ontario-introduces-better-for-consumers-better-for-businesses-act
  https://news.ontario.ca/en/backgrounder/1003686/ontario-introduces-better-for-consumers-better-for-businesses-act
  Cited in: hvac-consumer-protection-ontario
• (untitled)
  https://tribunalsontario.ca/ltb/applications-and-hearings/tenant-applications/
  Cited in: heat-pump-for-apartments-ontario
• (untitled)
  https://www.condoauthorityontario.ca/condo-living/
  Cited in: short-term-rental-hvac-ontario
• financial-literacy
  https://www.cpaontario.ca/public/financial-literacy
  Cited in: hvac-financing-options-ontario
• (untitled)
  https://www.hcraontario.ca/expectations-for-your-builder/
  Cited in: new-construction-hvac-ontario
• consumer-protection-act-2002-cpa-key-definitions
  https://www.ontario.ca/document/business-guide-consumer-protection/consumer-protection-act-2002-cpa-key-definitions
  Cited in: ac-repair-cost-ontario
• guide-programs-and-services-seniors
  https://www.ontario.ca/document/guide-programs-and-services-seniors
  Cited in: hvac-accessibility-ontario
• house-syllabus
  https://www.ontario.ca/document/study-guides-2024-building-code-examinations/house-syllabus
  Cited in: bathroom-renovation-cost-ontario
• 250213
  https://www.ontario.ca/laws/regulation/250213
  Cited in: portable-heater-safety-ontario
• 900903
  https://www.ontario.ca/laws/regulation/900903
  Cited in: ground-source-geothermal-cost-ontario
• 02n04
  https://www.ontario.ca/laws/statute/02n04
  Cited in: agricultural-hvac-ontario
• 02r30
  https://www.ontario.ca/laws/statute/02r30
  Cited in: hvac-warranty-transfer-home-sale-ontario
• 09o22
  https://www.ontario.ca/laws/statute/09o22
  Cited in: hvac-contractor-insurance-check-ontario
• 13h14
  https://www.ontario.ca/laws/statute/13h14
  Cited in: furnace-orphaned-water-heater-retrofit-ontario
• 90o01
  https://www.ontario.ca/laws/statute/90o01
  Cited in: hvac-ac-coil-chemical-cleaner-safety-ontario
• 90o31
  https://www.ontario.ca/laws/statute/90o31
  Cited in: hvac-extended-warranty-ontario
• s24011
  https://www.ontario.ca/laws/statute/s24011
  Cited in: hvac-scam-red-flags-ontario
• s24015
  https://www.ontario.ca/laws/statute/s24015
  Cited in: rent-vs-buy-water-heater-ontario
• accessibility-in-ontario
  https://www.ontario.ca/page/accessibility-in-ontario
  Cited in: hvac-accessibility-ontario
• add-second-unit-your-house
  https://www.ontario.ca/page/add-second-unit-your-house
  Cited in: hvac-for-basement-apartment-ontario
• alert-mould-workplace-buildings
  https://www.ontario.ca/page/alert-mould-workplace-buildings
  Cited in: ac-dehumidification-only-mode-ontario
• asbestos-workplace
  https://www.ontario.ca/page/asbestos-workplace
  Cited in: hvac-hidden-costs-ontario
• condominium-law-changes
  https://www.ontario.ca/page/condominium-law-changes
  Cited in: condo-hvac-ontario
• consumer-protection-information-about-homes-and-renovations
  https://www.ontario.ca/page/consumer-protection-information-about-homes-and-renovations
  Cited in: hvac-scam-red-flags-ontario
• dairy-inspection-program
  https://www.ontario.ca/page/dairy-inspection-program
  Cited in: agricultural-hvac-ontario
• drinking-water
  https://www.ontario.ca/page/drinking-water
  Cited in: humidifier-maintenance-ontario
• environmental-noise-guideline-stationary-and-transportation-sources-approval-and-planning
  https://www.ontario.ca/page/environmental-noise-guideline-stationary-and-transportation-sources-approval-and-planning
  Cited in: heat-pump-outdoor-unit-placement-ontario
• home-community-care
  https://www.ontario.ca/page/home-community-care
  Cited in: hvac-accessibility-ontario
• ministers-annual-report-drinking-water-2023
  https://www.ontario.ca/page/ministers-annual-report-drinking-water-2023
  Cited in: water-softener-cost-ontario
• ministry-environment-conservation-parks
  https://www.ontario.ca/page/ministry-environment-conservation-parks
  Cited in: oil-to-heat-pump-conversion-ontario
• ministry-natural-resources
  https://www.ontario.ca/page/ministry-natural-resources
  Cited in: cottage-seasonal-hvac-ontario
• ministry-public-and-business-service-delivery-and-procurement
  https://www.ontario.ca/page/ministry-public-and-business-service-delivery-and-procurement
  Cited in: gas-line-installation-cost-ontario
• noise-our-environment
  https://www.ontario.ca/page/noise-our-environment
  Cited in: hvac-mini-split-condenser-placement-ontario
• ontario-seniors-care-home-tax-credit
  https://www.ontario.ca/page/ontario-seniors-care-home-tax-credit
  Cited in: hvac-accessibility-ontario
• ontario-trillium-benefit
  https://www.ontario.ca/page/ontario-trillium-benefit
  Cited in: heat-pump-tax-credit-canada
• owning-a-condo
  https://www.ontario.ca/page/owning-a-condo
  Cited in: condo-hvac-ontario
• personal-property
  https://www.ontario.ca/page/personal-property
  Cited in: buying-home-with-rental-hvac-ontario
• publication-833-ventilation-livestock-and-poultry-barns
  https://www.ontario.ca/page/publication-833-ventilation-livestock-and-poultry-barns
  Cited in: agricultural-hvac-ontario
• register-and-insure-vehicle-ontario
  https://www.ontario.ca/page/register-and-insure-vehicle-ontario
  Cited in: home-insurance-hvac-ontario
• renting-ontario-your-rights
  https://www.ontario.ca/page/renting-ontario-your-rights
  Cited in: hvac-rental-properties-ontario
• sustainable-canadian-agricultural-partnership
  https://www.ontario.ca/page/sustainable-canadian-agricultural-partnership
  Cited in: agricultural-hvac-ontario
• testing-and-treating-private-water-wells
  https://www.ontario.ca/page/testing-and-treating-private-water-wells
  Cited in: home-water-treatment-ontario
• training-working-heights
  https://www.ontario.ca/page/training-working-heights
  Cited in: attic-ventilation-ontario
• ventilation-inspection-and-report-health-care-and-residential-facilities
  https://www.ontario.ca/page/ventilation-inspection-and-report-health-care-and-residential-facilities
  Cited in: hvac-maintenance-cost-ontario
• well-construction
  https://www.ontario.ca/page/well-construction
  Cited in: ground-source-geothermal-cost-ontario
• wells-your-property
  https://www.ontario.ca/page/wells-your-property
  Cited in: geothermal-retrofit-existing-home-ontario
• wildfire-smoke-and-air-quality-health-reference-document
  https://www.ontario.ca/page/wildfire-smoke-and-air-quality-health-reference-document
  Cited in: ac-evaporator-coil-freezing-ontario
• ev-chargeon-program
  https://www.ontario.ca:443/page/ev-chargeon-program
  Cited in: ev-charger-installation-cost-ontario
• notices-security-interest
  https://www.ontario.ca:443/page/notices-security-interest
  Cited in: buying-home-with-rental-hvac-ontario
• health-hazards
  https://www.publichealthontario.ca/en/health-topics/environmental-occupational-health/health-hazards
  Cited in: radon-mitigation-ontario
• well-water-testing
  https://www.publichealthontario.ca/en/laboratory-services/well-water-testing
  Cited in: home-water-treatment-ontario
• (untitled)
  https://www.skilledtradesontario.ca/public-register/
  Cited in: hvac-contractor-verification-ontario