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Type of work · 75 of 103 by permit count

Boiler/Furnace: SFD/Semi/TH permits in Toronto

The City of Toronto has 337 boiler/furnace: sfd/semi/th permits on record for Toronto, going back to 2001. Declared construction value totals $7.2M. The most recent permit was issued Aug 12, 2026 at 20 Aldgate Ave.

Permits on record
3372001–2026
Declared construction value
$7.2Mas filed, not adjusted
Homes created
0dwelling units
Homes removed
0net +0

Permits issued per year

20012026 (part year)

Most common work

  • Boiler/Furnace: SFD/Semi/TH337 · 100%

Structures worked on

  • SFD - Detached210 · 62%
  • SFD - Semi-Detached54 · 16%
  • SFD - Townhouse52 · 15%
  • Converted House4 · 1%
  • Place of Worship3 · 1%
  • 2 Unit - Detached2 · 1%
  • Apartment Building2 · 1%
  • 2 Unit - Semi-detached2 · 1%
  • Other1 · 0%
  • 2 Unit - Townhouse1 · 0%
  • Secondary School1 · 0%
  • Retail Store1 · 0%

Most recent permits

Issued Address Work What was filed Value Status
Aug 12, 2026 20 Aldgate Ave Boiler/Furnace: SFD/Semi/TH Proposal to install new Furnace System in existing 1 storey SFD $5K Open
Apr 14, 2025 36 Clissold Rd Boiler/Furnace: SFD/Semi/TH Proposal to replace the existing boiler for a New Forced Air Heating system serving the main floor and basement. See also 23 23159 WNP. $50K Open
Mar 17, 2025 35 Shrewsbury Sq Boiler/Furnace: SFD/Semi/TH Convert existing baseboard heaters to a gas furnace. $10K Closed
Feb 26, 2025 5 Gracemount Cres Boiler/Furnace: SFD/Semi/TH Proposal to replace the existing permit that was issued in 2024, with a new permit showing one new furnace in the basement suppling HVAC to the entire house. $10K Open
Nov 21, 2024 293 Kingswood Rd Boiler/Furnace: SFD/Semi/TH relocate furnace and related ductwork $7K Closed
Nov 5, 2024 156 Shanly St Boiler/Furnace: SFD/Semi/TH Proposal to rebuild existing HVAC system on existing Semi Detached main SFD $20K Closed
Jan 17, 2024 287 Airdrie Rd Boiler/Furnace: SFD/Semi/TH Proposal to replace the radiators to a furnace system in an existing SFD-detached dwelling. $150K Open
Sep 25, 2023 74 St Hubert Ave Boiler/Furnace: SFD/Semi/TH Proposal to replace existing furnace. $3K Closed
Aug 18, 2023 72 Deerbrook Trl Boiler/Furnace: SFD/Semi/TH Proposal to replace the existing heating system with a new gas furnace in an existing SFD-detached dwelling. A/C unit and associated new duct work. $50K Closed
May 29, 2023 24 Delbert Dr Boiler/Furnace: SFD/Semi/TH Proposal for new fas-fire force air heating system - Furnace $9K Open
Apr 3, 2023 67 Rivercove Dr Boiler/Furnace: SFD/Semi/TH propose to construct a new HEF Gas Boiler with hydronic air handler and radiant floor in the basement $20K Closed
Dec 9, 2022 170 Humewood Dr Boiler/Furnace: SFD/Semi/TH Proposed radiant floor heating in basement and basement heater for 1st floor addition $20K Closed
Nov 18, 2022 115 Kalmar Ave Boiler/Furnace: SFD/Semi/TH Proposal to install a new hvac system in an existing SFD-detached dwelling. $20K Closed
Aug 9, 2022 132 Invermay Ave Boiler/Furnace: SFD/Semi/TH Proposal to convert existing oil rad furnace to a new high efficiency natural gas furnace and AC. New duct work installation $30K Closed
Feb 18, 2022 12 Andrew Ave Boiler/Furnace: SFD/Semi/TH To replace existing boiler system to forced air furnace system to existing dwelling $25K Open
Jan 10, 2022 50 Verne Cres Boiler/Furnace: SFD/Semi/TH Proposal to replace the electrical baseboard heating system with a natural gas forced air convectional system in an existing townhouse that is part of a condo complex - UNIT 46 $25K Closed
Dec 30, 2021 77 Belgravia Ave Boiler/Furnace: SFD/Semi/TH Boiler and radiator system, HVAC work $20K Closed
Dec 14, 2021 112 Malvern St Boiler/Furnace: SFD/Semi/TH Proposal to switch existing electrical baseboard heating system to natural gas force air convectional system .Ducting design and equipment selection. $25K Open
Dec 14, 2021 114 Malvern St Boiler/Furnace: SFD/Semi/TH Proposal to switch existing electrical baseboard heating system to natural gas force air convectional system .Ducting design and equipment selection. $25K Open
Sep 14, 2021 1055 Victoria Park Ave Boiler/Furnace: SFD/Semi/TH Proposed demolition of the existing and installation of replacement of boiler and domestic hot water heaters and all associated equipment. $192K Open
Jun 17, 2021 50 Verne Cres Boiler/Furnace: SFD/Semi/TH Switching the hvac system from electrical baseboard to natural gas force air convectional system. Ducting design and equipment selection. $25K Closed
May 28, 2021 50 Verne Cres Boiler/Furnace: SFD/Semi/TH Proposal to replace the electrical baseboards to natural gas force air convectional system in an existing SFD-townhouse as part of a larger complex. $25K Open
Feb 23, 2021 55 Grandview Ave Boiler/Furnace: SFD/Semi/TH Proposal to install a new hvac system in an existing SFD-detached dwelling. $20K Closed
Feb 16, 2021 15 Allen Ave Boiler/Furnace: SFD/Semi/TH Propose new gas furnace and duct work $10K Closed
Feb 10, 2021 329 Clinton St Boiler/Furnace: SFD/Semi/TH Proposal to install a new gas furnace for exisiting sfd-2unit $10K Closed
Jan 25, 2021 199 Willow Ave Boiler/Furnace: SFD/Semi/TH Proposal to install a new hydronic heating system with ASHP auxiliary in the existing single family dwelling. $50K Closed
Jan 21, 2021 19 Lakeland Cres Boiler/Furnace: SFD/Semi/TH Proposal to install a new gas furnace in an existing SFD-detached dwelling. $5K Open
Jan 18, 2021 12 Shrewsbury Sq Boiler/Furnace: SFD/Semi/TH Proposal to convert the existing single family dwelling from radiator system to forced air heating/cooling. $15K Closed
Dec 3, 2020 341 Military Trl Boiler/Furnace: SFD/Semi/TH install new furnace & ductwork $18K Open
Nov 23, 2020 1 Carol Wrenway Boiler/Furnace: SFD/Semi/TH Proposal to install a forced air system in the existing single family dwelling. $15K Closed
Sep 15, 2020 549 Perth Ave Boiler/Furnace: SFD/Semi/TH Proposal for the installation of a new high velocity forced air system for exisitng sfd $20K Closed
Sep 11, 2020 18 Knightsbridge Rd Boiler/Furnace: SFD/Semi/TH Proposal to change from water heating system to a furnace for existing sfd $14K Closed
Aug 11, 2020 22 Kingsmill Rd Boiler/Furnace: SFD/Semi/TH Proposed new forced air mechanical system $10K Open
Aug 5, 2020 47 Maple Ave Boiler/Furnace: SFD/Semi/TH Install larger boiler to serve existing basement radiant floor heating & Install new garage radiant floor.Hvac standlone $25K Closed
Jun 5, 2020 102 Joseph Duggan Rd Boiler/Furnace: SFD/Semi/TH Proposal to replace existing single furnace high velocity forced air HVAC system with new 2 furnace conventional forced air system. $20K Open
May 22, 2020 81 Perth Ave Boiler/Furnace: SFD/Semi/TH Proposal for the removal of existing forced-air furnace, replacing with c, ervs and ductless split. $5K Open
May 5, 2020 24 Leameadow Way Boiler/Furnace: SFD/Semi/TH Proposal to convert from electric heating to forced-air system in existing detached dwelling. $2K Closed
Sep 17, 2019 108 Parkview Hill Cres Boiler/Furnace: SFD/Semi/TH Proposal to remove existing rads and boiler to be replaced by new highefficiency gas furnace and all new duct work to heat and cool whole house; Existingexhaust fans for whole house mechanical ventilation. $5K Closed
Aug 28, 2019 24 Empire Ave Boiler/Furnace: SFD/Semi/TH Proposal to replace the furnace in an exsiting SFD-townhouse $6K Closed
May 31, 2019 72 Elsa Vineway Boiler/Furnace: SFD/Semi/TH add forced air furnace $15K Closed

The 40 most recent of 337 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.

Source
City of Toronto Open Data
Dataset
Building permits, active + cleared
Records
337
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
WRK-570