Canada-wide water heater information · On-site service in Metro Vancouver, BC
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Brand hub
Giant is a Canadian water heater manufacturer in Montreal that states it has served the Canadian market for 80 years, producing residential electric and gas storage tanks, heat-pump units, tankless condensing units and storage tanks under lines that include Standard, Cascade, Super Cascade, ECOPEAK and Expert Plus.
At a glance
Where CANRO provides on-site service
On-site service is currently offered across Metro Vancouver: Vancouver, Burnaby, Richmond, Surrey, Coquitlam, North Vancouver, West Vancouver, New Westminster, Delta, Langley, Port Moody, Port Coquitlam, Maple Ridge, Pitt Meadows, White Rock, Tsawwassen; plus Anmore, Belcarra, Lions Bay, Bowen Island, Abbotsford with travel or ferry arrangements confirmed by phone. Everything else on this site is reference information you can use anywhere in Canada.
Giant's site describes a full Canadian residential range: electric storage tanks in Compact, Standard, Cascade and Super Cascade forms plus the ECOPEAK line and Expert Plus contractor models, gas storage tanks in atmospheric, motorized-damper atmospheric, power-vent and power-direct-vent forms, condensing tankless units, and Voltex heat-pump water heaters, alongside commercial electric tanks and storage vessels. The company publishes EnerGuide and CSA references for its products and lists its Montreal address and Canadian support line.
WaterHeating.ca documents Giant's brand and published series here; individual model records are added as the Canadian spec sheets are verified against that official site, model by model, so no unverified rating is published.
CANRO Heating & Cooling names Giant among the brands it services on its own pages. Whether a specific model is stocked for a project is confirmed at consultation; WaterHeating.ca claims no dealer or authorized status for any brand until CANRO confirms it in writing.
Series
Each series hub lists its models, verified specifications, manuals and documented fault codes.
Giant's residential electric storage tank families in Canada: Standard, Cascade and Super Cascade, produced in Montreal. Model-level specifications are added to this series page as the official Canadian spec sheets are verified.
Giant's Voltex heat-pump water heater family, built in Montreal for the Canadian residential market. Model-level efficiency and capacity figures are added to this series as the official Canadian specifications are verified.
Giant's Canadian residential gas storage tank families are atmospheric vent, atmospheric vent with a powered damper, power vent and power direct vent, made in Montreal. Giant publishes capacities from 30 to 60 US gallons and inputs from 32,000 to 62,000 BTU/h, with a 6-year tank and 6-year parts warranty.
The Giant Standard Condensing Tankless is a residential condensing natural gas tankless water heater that Giant publishes at 0.95 UEF with ENERGY STAR certification, X3 scale-prevention technology, a stainless-steel heat exchanger, up to 10.5 GPM and 2 in PVC venting up to 50 ft or 3 in up to 150 ft.
Models
Giant · Gas storage tank
The Giant UG30 is a 30 US gallon (114 L) atmospheric-vent natural gas or propane storage water heater with a 32,000 BTU/h input, a glass-lined tank, FVIR technology and a 6-year tank and parts warranty, made in Canada by Giant.
Giant · Gas storage tank
The Giant UG40 is a 40 US gallon (151 L) atmospheric-vent natural gas or propane storage water heater with a 40,000 BTU/h input, a glass-lined tank, FVIR technology and a 6-year tank and parts warranty, made in Canada by Giant.
Giant · Gas storage tank
The Giant UG50-62 is a 50 US gallon (189 L) power-vent natural gas or propane storage water heater with a 62,000 BTU/h input, a motorized blower for side-wall venting, 3/4 in side taps and a 6-year tank and parts warranty, made in Canada by Giant.
Giant · Gas storage tank
The Giant UG50-62 power-direct-vent is a 50 US gallon (189 L) sealed-combustion natural gas or propane storage water heater with a 62,000 BTU/h input, outdoor air intake, zero clearance to combustibles and a 6-year tank and parts warranty, made in Canada by Giant.
Services
On-site service in Metro Vancouver. Brand and model context is kept when you request service.
Fault codes
Documented meanings resolved against the specific series, control platform and manual version. A code is not a diagnosis.
No codes documented yet.
Manuals and documents
Links go to the manufacturer's own documents. WaterHeating.ca does not reproduce manuals.
Useful advice
Yes. Giant's site states it has served the Canadian market for 80 years from its Montreal address at 11021 Notre-Dame Est, Quebec.
Residential electric and gas storage tanks (Standard, Cascade, Super Cascade, ECOPEAK, Expert Plus), Voltex heat-pump water heaters, condensing tankless units and storage tanks, plus commercial electric and storage products.
CANRO names Giant among the brands it services on its own pages; supply and service for a specific model are confirmed at consultation.
Describe what the water heater is doing and get a straight answer about the next step.
On-site service in Metro Vancouver, BC. Call to check availability.
Sources and verification
Facts checked September 7, 2026. Last updated September 7, 2026. Technical reviewer: not yet assigned.