Active Air Inc
HVAC · Hamilton
TSSA (fuels / HVAC)Check on TSSA
968 Main Street East
Hamilton, ON L8M 1M8
Source: OpenStreetMap · Last checked 2026-08-29
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HVAC in Niagara and Hamilton
Heating, ventilation, and air-conditioning contractors in this region often also hold plumbing tickets. Furnace and gas work is a TSSA fuels matter. Listings here come from official inventories and OSM; use the TSSA contractor search before you book gas-line or furnace work.
Check a fuels contractor with the Technical Standards and Safety Authority
Advertising disclosure: this HVAC across Niagara and Hamilton list puts labelled Featured placements first. Other shops stay in sourced name order. Featured is $29 CAD/month or $249/year — not an editorial ranking. Full disclosure · Request Featured on this list
Air 1 Heating
HVAC · St. Catharines
TSSA (fuels / HVAC)Check on TSSA
312 Merritt Street
St. Catharines, ON L2T 1K2
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Aire One Heating & Cooling
HVAC · Hamilton
TSSA (fuels / HVAC)Check on TSSA
1059 Upper James Street
Hamilton, ON L9C 3A6
Source: OpenStreetMap · Last checked 2026-08-29
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Boonstra Heating and Air Conditioning
HVAC · Hamilton
TSSA (fuels / HVAC)Check on TSSA
120 Nebo Rd, Unit Unit #2
Hamilton, ON L8W 2E4
Source: OpenStreetMap · Last checked 2026-08-29
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Brian Easton and Sons Heating and Air Conditioning
HVAC · St. Catharines
TSSA (fuels / HVAC)Check on TSSA
35 Seapark Drive, Unit 15
St. Catharines, ON L2M 6S5
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Brian Nagy Heating and Air Conditioning
HVAC · Welland
TSSA (fuels / HVAC)Check on TSSA
247 King Street
Welland, ON L3B 3J9
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Carlton 5 Mechanical Services
HVAC · Thorold
TSSA (fuels / HVAC)Check on TSSA
1425 Beaverdams Road, Unit 2
Thorold, ON L2V 3X9
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Confederation Mechanical
HVAC · Niagara-on-the-Lake
TSSA (fuels / HVAC)Check on TSSA
965 Line 1
Niagara-on-the-Lake, ON
Phone not published in the source inventory.
Source: OpenStreetMap · Last checked 2026-08-29
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Conway's Mechanical Contracting Inc.
HVAC · Niagara Falls
TSSA (fuels / HVAC)Check on TSSA
5654 Glenholme Avenue
Niagara Falls, ON L2G 4Y3
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Crescent Air Conditioning Ltd.
HVAC · St. Catharines
TSSA (fuels / HVAC)Check on TSSA
131 Cushman Road, Unit 1
St. Catharines, ON L2M 6T5
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Goosen Heating and Air Conditioning
HVAC · Niagara Falls
TSSA (fuels / HVAC)Check on TSSA
2762 St Paul Avenue
Niagara Falls, ON L2J 2L4
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Group92 Mechanical Inc.
HVAC · St. Catharines
TSSA (fuels / HVAC)Check on TSSA
380 Vansickle Road
St. Catharines, ON L2S 0B5
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Huard Heating and Air Conditioning
HVAC · Welland
TSSA (fuels / HVAC)Check on TSSA
15 Brownleigh Avenue
Welland, ON L3B 5X3
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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J and S Heating and Air Conditioning
HVAC · St. Catharines
TSSA (fuels / HVAC)Check on TSSA
425 Glendale Avenue
St. Catharines, ON L2P 3Y1
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Joe Salvatore Electrical and Mechanical
HVAC · Niagara Falls
TSSA (fuels / HVAC)Check on TSSA
7182 Drummond Road
Niagara Falls, ON L2G 4P6
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Lead Mechanical
HVAC · Niagara Falls
TSSA (fuels / HVAC)Check on TSSA
4535 Bridge Street
Niagara Falls, ON L2E 2R6
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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MacKay Heating and Cooling
HVAC · St. Catharines
TSSA (fuels / HVAC)Check on TSSA
2517 First Street Louth
St. Catharines, ON L2R 6P7
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Marty's Heating and Air Conditioning
HVAC · Thorold
TSSA (fuels / HVAC)Check on TSSA
1425 Beaverdams Road, Unit 1
Thorold, ON L2V 3X9
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Medcon Mechanical
HVAC · Niagara Falls
TSSA (fuels / HVAC)Check on TSSA
5927 Thorold Stone Road, Unit 4
Niagara Falls, ON L2J 1A1
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Mr. Furnace Heating and Air Conditioning
HVAC · Thorold
TSSA (fuels / HVAC)Check on TSSA
1980 Highway 20
Thorold, ON L3B 5N5
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Mr. Furnace Heating and Air Conditioning
HVAC · St. Catharines
TSSA (fuels / HVAC)Check on TSSA
28 Dunkirk Road
St. Catharines, ON L2R 1A1
Source: OpenStreetMap · Last checked 2026-08-29
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Performance Heating and Air
HVAC · Thorold
TSSA (fuels / HVAC)Check on TSSA
96 Front Street North
Thorold, ON L2V 1X3
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Peter Smith Heating Ltd.
HVAC · Welland
TSSA (fuels / HVAC)Check on TSSA
354 Aqueduct Street
Welland, ON L3C 1E1
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Progressive Mechanical Ltd.
HVAC · Niagara Falls
TSSA (fuels / HVAC)Check on TSSA
5835 Progress Street
Niagara Falls, ON L2G 0C1
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Sam's Gas and Heating Services
HVAC · Welland
TSSA (fuels / HVAC)Check on TSSA
667 King Street
Welland, ON L3B 3L5
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Sheehan Mechanical Inc.
HVAC · St. Catharines
TSSA (fuels / HVAC)Check on TSSA
193 St. Paul Street West
St. Catharines, ON L2S 2C9
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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Tri-Comfort Heating and Cooling
HVAC · Port Colborne
TSSA (fuels / HVAC)Check on TSSA
180 Bell Street
Port Colborne, ON L3K 1H8
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked 2023-05-02
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