Quadra-Fire WS18

Quadra-Fire WS18. The WS18 is a medium-size, high-efficiency wood-burning stove designed to deliver reliable warmth, long burns and low emissions for living areas.

Quadra-Fire WS18 — Overview

The Quadra-Fire WS18 brings durable steel construction and a brick-lined firebox together for steady, long-lasting heat. Designed to be simple to operate and maintain, this stove suits family living rooms, renovations and new-builds where efficient indoor heating is required.

Quadra-Fire WS18 — Specifications at a glance

• Heating capacity: up to 21 sq.
• Heating efficiency: up to 86%.
• Maximum burn time: up to 8 hours.
• Particulate emissions: 1.3 grams/kg burn rate.
• Firebox capacity: 2.0 cu. ft.
• Width: 635 mm • Height: 736 mm • Depth: 673 mm.
• Weight: 145 kg.
• Clearances (straight back): back 175 mm • side 300 mm.
• Clearances (corner): wall to fire 155 mm.

Key features

• High average efficiency for effective heat delivery and fuel economy.
• Brick-lined firebox for consistent combustion and longer stove life.
• Long burn capability to reduce refuelling frequency.
• Low emissions for cleaner indoor air compared with older designs.

Quadra-Fire WS18 performance

The Quadra-Fire WS18 combines controlled combustion with a well-sized firebox to provide efficient heat for medium-sized spaces. It’s engineered for predictable burn rates and straightforward operation.

Dimensions & portability

At 145 kg the stove is a permanent freestanding heater — not intended for frequent moves. Its footprint and clearance requirements make it suitable for central living areas with correct hearth and flue installation.

Fuel & setup

• Designed for seasoned firewood sized to suit the 2.0 cu. ft. firebox.
• Requires compliant flue and hearth installation to the clearance figures above.
• Check local regulations and installer guidance prior to commissioning.

What’s included with the Quadra-Fire WS18

• Freestanding WS18 wood stove unit with factory-fitted door and controls.
• Brick-lined internal firebox.
• Product manual, brochure and quick-start guide (where supplied by retailer).

Who it's for

Homeowners seeking a reliable mid-size wood heater that balances efficiency, low emissions and long burn times will find the Quadra Fire WS18 a strong choice. It’s ideal for living rooms and open-plan areas up to the stove’s rated capacity.

Care & maintenance

• Regular ash removal and periodic chimney sweeping maintain performance and safety.
• Inspect and replace worn gaskets or firebricks as needed to preserve efficiency.
• Follow the supplied manual for recommended service intervals and safe operation.

Using this unit safely

Install with a qualified technician and maintain required clearances. Correct operation and maintenance will maximise heat output, extend component life and minimise emissions.

Choosing the right option

If you're comparing options in this range, focus on how it will fit your space, how often you’ll use it, and what matters most day-to-day. For many households, the best choice is the one that’s easy to live with — straightforward to use, simple to keep looking good, and suited to Australian conditions. When you’re weighing up your shortlist, consider your layout, traffic flow, and whether you want something that’s more entertaining-focused or more everyday practical. If you’d like a second opinion, our team can help you narrow it down based on your space, style and how you plan to use it. A quick way to decide is to ask: does “this unit” describe what you’re actually trying to achieve in your outdoor area? Once you’re clear on the goal, this unit becomes much easier to compare across different options and configurations.

Helpful links

• Have a look at our entire range of Heating at Alfresco Outdoors & Heating

Delivery Area

Delivery is currently available to selected postcodes only.

Please check that your delivery address is within our eligible postcode delivery area before placing your order.

If your postcode is not listed, please get in touch with our team before ordering and we’ll be happy to discuss whether delivery may be available to your area.

Please note: Delivery availability is subject to the postcodes listed on our Shipping page.