Kalora 425R Radiant Wood Heater

Kalora 425R Radiant Wood Heater is a compact radiant heater designed to deliver steady, efficient warmth for open‑plan living and medium‑sized homes.

Overview — Kalora 425R

The Kalora 425R brings dependable radiant heat with low emissions and a robust steel construction, ideal where direct warmth and a striking fire view matter most.

Kalora 425R — Specifications at a glance

• Heating capacity: up to 140 m²
• Particulate emissions: 1.5 g/kg
• Average efficiency: 63%
• Firebox usable space: 370 mm x 330 mm
• Firebox internal dimensions: 370 x 330 x 250 mm
• Firebox material: 6 mm heavy‑duty steel
• Baffle plate: 6 mm heavy‑duty steel
• Finish: metallic black high‑temperature coating

Key features of the Kalora 425R

• Radiant heating style for direct, comforting warmth.
• Low particulate emissions for cleaner indoor air.
• Solid 6 mm steel firebox and baffle for durability and long service life.
• Generous viewing glass to enjoy the flame while maximising radiant output.
• Balanced efficiency to make the most of your timber supply.

Dimensions & portability

The unit is a freestanding radiant heater sized for medium spaces. Its compact footprint and robust build make it suitable for standard hearth installations; check clearances and flue requirements before installation.

Fuel & setup

The heater is designed for seasoned hardwood. For best results use dry, well‑split timber and follow recommended flue and hearth clearances in the manual. Correct installation by a qualified technician ensures safe operation and optimal performance.

What's included

• Freestanding Kalora 425R wood heater (metallic black finish)
• Factory‑fitted firebox and baffle plates
• Product manual and installation guidance

Who it's for

Homeowners seeking reliable radiant heat for open living areas and medium‑sized homes will find the Kalora 425R an excellent choice. It suits those who prioritise flame view, simplicity and low emissions.

Care & maintenance

• Empty ash regularly and inspect firebricks and baffle for wear.
• Use a qualified technician for annual flue and appliance checks.
• Burn only properly seasoned hardwood to reduce creosote and emissions.
• Wipe external surfaces with a soft, dry cloth once cool; avoid abrasive cleaners.

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. 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.