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Nestor Martin Harmony I Multi Fuel Stove

£2,675.00🏷️ £100 OFF over £1,000 — code GLASGOWFAIR

The Nestor Martin Harmony I Multi Fuel Stove combines traditional craftsmanship with modern efficiency, giving you the flexibility to burn seasoned logs or approved smokeless fuel. Its 9kW output and 76% efficiency make it ideal for heating larger living spaces.

Thermostatic combustion controls, an airwash system, direct draught lighting, and a convenient side-loading door provide cleaner, more efficient operation and simple everyday use.

Eco-design compliant with an A energy rating, the Harmony I delivers reliable, low-emission heating in a durable, timeless design built for years of dependable performance.

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🏷️ Glasgow Fair Offer — £100 OFF this stove
Use code GLASGOWFAIR at checkout · orders over £1,000 · ends 7th August

Nestor Martin Harmony I Multi Fuel Stove

The Nestor Martin Harmony I Multi Fuel Stove gives homeowners complete control over their heating, whether burning seasoned logs or approved smokeless fuel. Traditional craftsmanship combines with practical innovation to deliver dependable performance, efficient combustion, and the flexibility to adjust heat output as conditions change.

Its robust construction, user-friendly controls, and Eco-design compliant technology make the Harmony I equally suited to traditional homes and contemporary interiors. It strikes an ideal balance between heating performance, ease of use, and long-term reliability, making it a practical choice for everyday living.

Precision Control for Efficient Heating

The Harmony I stands out thanks to its advanced combustion control system. An airwash control and thermostatic damper work together to give you precise control over the fire, whether you’re burning wood or smokeless coal.

This intelligent system maintains efficient combustion while allowing you to adjust the heat output to suit the room and the time of day. As a result, the stove responds quickly to changing conditions and uses fuel more economically, providing comfortable warmth without unnecessary consumption.

The Harmony I delivers a nominal heat output of 9kW with an efficiency rating of 76%, making it well suited to larger living spaces. It can comfortably heat areas of up to 360m³.

Designed for Everyday Convenience

Nestor Martin designed the Harmony I to make lighting and maintaining a fire as straightforward as possible.

A direct draught slide heats the flue quickly during lighting, helping the stove establish a strong draw and achieve faster, cleaner ignition. This practical feature reduces the effort needed to start a solid fuel fire and helps the stove reach optimum operating conditions more efficiently.

The side-loading door adds another level of convenience. You can load logs up to 400mm long from the side, reducing the need for frequent refuelling while helping prevent ash from spilling onto the hearth. This thoughtful design makes everyday use cleaner and more convenient.

Nestor Martin Harmony I multi-fuel Stove Built to Last

Nestor Martin has built its reputation on quality engineering, and the Harmony I reflects that commitment throughout its design.

The company manufactures the stove from durable, high-quality materials that withstand years of regular use while continuing to deliver reliable heating performance. At 150kg, the Harmony I offers the solid build quality homeowners expect from a premium multi-fuel stove, inspiring confidence in its long-term durability.

Its classic styling complements both traditional fireplace settings and contemporary living spaces.

Eco-design Compliant Performance

The Harmony I meets the latest Eco-design requirements, the European standard that reduces emissions and improves the environmental performance of wood and multi-fuel stoves.

An A Energy Rating reflects the stove’s ability to combine powerful heating with cleaner combustion, allowing homeowners to enjoy the comfort of a real fire while meeting modern efficiency standards. Low CO emissions of just 0.06% at 13% oxygen further highlight its clean-burning credentials.

Nestor Martin Harmony I multi-fuel Stove Installation Considerations

The Harmony I measures 670mm high, 604mm wide, and 391mm deep, giving it a substantial presence while offering an excellent balance between heating capacity and installation flexibility.

When installing the stove, maintain a clearance of 400mm from combustible materials at the rear and sides. The centre of the top flue outlet sits 164mm from the rear of the stove, while the rear flue outlet centre sits 484mm above the base. These dimensions help installers plan the flue configuration accurately.

If you’re planning a new installation, our wood-burning stove installation process explains what to expect from the initial survey through to completion. We also recommend professional stove installation to ensure the appliance performs safely and efficiently for years to come.

A Practical Multi-Fuel Stove for Modern Homes

The Nestor Martin Harmony I offers an excellent solution for homeowners who want the flexibility to burn either wood or smokeless fuel without compromising on performance or ease of use. Its thermostatic combustion controls, direct draught lighting system, and convenient side-loading design all work together to make everyday heating simpler, cleaner, and more efficient.

To find out more about what a professional installation involves, visit our installation process page. For full technical documentation directly from the manufacturer, visit the official Nestor Martin product pages for the Nestor Martin Harmony I Multi Fuel Stove.

Nestor Martin Harmony I Multi Fuel Stove — Technical Specifications

Core Specifications

Specification Detail
Brand Nestor Martin
Model Harmony I
Category Multi Fuel Stove
Fuel Type Wood & Smokeless Coal
Energy Efficiency Class A
EcoDesign Ready Yes
Standard EN 13240
Nominal Heat Output 9 kW
Efficiency 76%
CO Emissions (13% O₂) 0.06%
Recommended Heating Area Up to 360 m³
Maximum Log Length 400 mm
Airwash System Yes
Thermostatic Damper Yes
Direct Draught Slide Yes
Side Loading Door Yes
Dimensions See Dimensional Download Below

Dimensions

Measurement Value
Height 670 mm
Width 604 mm
Depth 391 mm
Distance to Centre of Top Flue Outlet (from Rear) 164 mm
Height to Centre of Rear Flue Outlet 484 mm

Weight

Specification Value
Weight 150 kg

Installation Clearances

Clearance Distance
Rear to Combustible Materials 400 mm
Side to Combustible Materials 400 mm

Downloads

Stanford 9, 9+, 12, 12+, Harmony I, Harmony III.pdf
Harmony I Energy Label.pdf
Harmony I Fiche.pdf
NM_Harmony 1 & 3 03 2024 UK.pdf
IN1188 Servicing Stanford 80 Harmony 1 and 3 2020.pdf
Weight 150 kg
Dimensions 39.1 × 60.4 × 67 cm

Brand

Nestor Martin

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£2,675.00🏷️ £100 OFF over £1,000 — code GLASGOWFAIR
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