Gateway 3500
About the Gateway 3500
The big Gateway: a 3.5 cu ft steel wood stove rated to 110,000 BTU for 1,000 to 2,700 sq ft, 22" logs and a 10-hour burn — the most heat per dollar on our floor.
The Gateway 3500 is the whole-house heater of the line — 1,000 to 2,700 sq ft, 22" logs and up to a 10-hour overnight burn. Like every Gateway, it is a plate-steel stove built by Stove Builder International for Empire Stove: a 5/16"-thick steel top for long, even heat radiation, a firebrick-lined firebox with a C-Cast ceramic baffle and secondary-combustion air tubes, and an air-wash system that keeps the ceramic glass clear. Running it is simple — one lever sets the burn rate — and the pull-out ash pan with a cover keeps clean-out tidy. Dress it your way with a black or nickel cast-iron door overlay and a pedestal or one of four leg styles; a variable-speed blower, fire screen, step top and outside-air kit are optional. EPA 2020 certified at 1.32 g/h on cordwood (71% HHV efficiency), approved for alcove and mobile-home installation, and backed by Empire's limited lifetime warranty on the firebox welds and cast door frame.
Features
- 3.5 cu ft firebox, 22" logs loaded east-west; up to 10-hour burn time
- Heats 1,000–2,700 sq ft; 110,000 BTU/hr maximum output (dry cordwood)
- EPA 2020 certified: 1.32 g/h particulates (cordwood), 71% HHV / 76% LHV average efficiency, non-catalytic
- 5/16" thick steel top and plate-steel body; firebrick lined with a C-Cast ceramic baffle
- Simple one-lever air control; air-wash system keeps the ceramic glass clean
- Standard no-mess ash pan with cover (built into the pedestal or leg kit)
- Requires a door overlay (black or nickel) and a base (pedestal or legs) — black door + pedestal in stock
- Optional variable-speed blower (up to 130 CFM), fire screen, step top and outside-air intake kit
- 6" top flue; approved for alcove and mobile/manufactured-home installation (double-wall connector)
- Built in Canada by Stove Builder International; Empire limited lifetime warranty
Will it fit?
- Stove size
- 28⅛" × 34" × 24⅝" (W × H × D)
- Floor protection (hearth pad)
- 44⅛" wide × 40⅝" deep
- Flue collar
- 6"
- Clearance to walls
- 7" behind (flat wall) · 14" beside · 7" from each wall in a corner — with double-wall pipe
- Floor protection
- 16" in front of the door, 8" each side
- Heat output
- 110,000 BTU/hr (turns down to 18,200)
- Heating area
- 1,000–2,700 sq ft (manufacturer's rating)
- Max log length
- 22"
- Firebox size
- 3.5 cu ft
- Burn time
- up to 10 hours
From the manufacturer's documentation (page 1). We confirm every measurement on the site visit before anything is ordered.
Documents
Door Overlay (required)▾
Selected Option: Black Door Overlay
Base (required)▾
Selected Option: Pedestal with Ash Pan, Black
Optional Accessories▾
Protect it
Every written quote includes an optional 5-Year Protection Plan — mechanical breakdown, accidental damage, and power surge covered with no deductibles, unlimited covered repairs, and in-home service by our own technicians.
How the plan works →Real installs by Bowman’s
Customer photos
From our customers' homes — related products we've installed.