TermaTech TT21 RHT 5kW Woodburning Stove

TermaTech TT21RHT Wood-Burning Stove

The TermaTech TT21RHT is a stylish, extra-tall wood-burning stove designed for homeowners who want a modern appearance without compromising on everyday heating performance. As the latest addition to the TT21 range, it combines the series’ recognised design features with the option of enhanced heat storage.

Its slim profile makes it well suited to a variety of living spaces, while the cast iron construction elements provide durability and a premium finish. The stove features a cast iron door, top and base, along with a convenient single control handle for straightforward operation.

Efficient and Comfortable Heating

With a nominal heat output of 5 kW, an operating range of 3–7 kW, and an efficiency rating of 81%, the TT21RHT is designed to provide effective room heating while making efficient use of fuel. It is suitable for heating spaces from approximately 30–120 m², depending on insulation levels and room layout.

The integrated glass cleaning system helps maintain a clearer view of the flames, while the ash drawer makes routine cleaning and maintenance simpler.

Optional Heat Storage

A standout feature of the TT21RHT is the option to add 48 kg of Powerstone heat storage. This additional thermal mass retains heat generated during operation and continues to release warmth after the fire has gone out, helping to prolong comfort within the room.

Flexible Installation Options

The TT21RHT offers installation flexibility with:

• Top or rear flue connection
• Fresh air connection compatibility
• Convection heating design
• Black finish that complements modern interiors

Key Features

• Extra-tall, slim wood-burning stove
• Cast iron door, top and base
• Suitable for heating 30–120 m²
• Optional 48 kg Powerstone heat storage
• Glass cleaning system
• Fresh air connection compatible
• Ash drawer included

Who Is It For?

The TT21RHT is ideal for homeowners seeking a modern wood-burning stove with a slim footprint, clean contemporary styling and the option of longer-lasting heat retention. Its tall design creates an attractive focal point while providing reliable warmth for living rooms, open-plan spaces and other residential interiors.