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Nestor Martin Harmony 43 Wood Burning Stove

Price range: £4,045.00 through £4,165.00🏷️ £100 OFF over £1,000 — code GLASGOWFAIR

The Nestor Martin Harmony 43 Wood Burning Stove combines classic cast iron styling with advanced combustion technology, delivering powerful and efficient heating for larger living spaces.

ZR Combustion Technology, Plexus Air Control, an airwash system, and convection heating provide cleaner burning, precise control, and a clear flame view, while the 10.5kW output heats spacious rooms with ease.

With 80% efficiency, Ecodesign compliance, and durable construction, the Harmony 43 offers reliable performance, lasting quality, and timeless appeal.

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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 43 Wood Burning Stove

The Nestor Martin Harmony 43 Wood Burning Stove combines timeless cast iron styling with advanced combustion technology to deliver powerful, efficient heating for larger living spaces. Designed for homeowners who appreciate the character of a traditional stove without compromising on modern performance, the Harmony 43 offers impressive heat output, clean combustion, and the flexibility to burn both seasoned wood and authorised smokeless fuels.

As part of the renowned Harmony range, this Ecodesign model reflects Nestor Martin’s long-standing commitment to craftsmanship and innovation. Every feature works together to create an attractive, natural flame picture while improving efficiency and reducing emissions, making the Harmony 43 an excellent choice for larger homes that need dependable warmth throughout the heating season.

Traditional Design with Premium Craftsmanship

The Harmony 43 retains the elegant styling that has made the range so popular, combining classic proportions with robust cast iron construction. Its generous firebox creates an impressive focal point, allowing the flames to become a natural feature within the room while complementing both traditional and contemporary interiors.

Nestor Martin supplies the stove with a brass handle as standard, while optional nickel and black handles allow you to personalise the finish to suit your interior décor.

The Harmony 43’s larger proportions make it particularly well suited to spacious lounges, open-plan living areas, and homes where a substantial wood-burning stove can become the centrepiece of the room.

Nestor Martin Harmony 43 Wood Burning Stove Advanced Combustion Technology

Behind its traditional appearance, the Harmony 43 incorporates advanced technology that improves combustion efficiency and everyday usability.

Nestor Martin’s ZR Combustion Technology delivers cleaner, more efficient burning with minimal user intervention, while the Plexus Air Control system gives you precise control over the combustion process. Together, these technologies maximise heat from every load of fuel while maintaining an attractive, natural flame pattern.

The integrated Air Wash system directs airflow across the inside of the viewing glass to help keep it cleaner for longer, giving you a clearer view of the fire throughout operation.

A built-in convection heating system circulates warmth more evenly around the room, improving comfort and creating a more consistent heating experience.

Powerful Heating Performance

The Harmony 43 delivers a nominal heat output of 10.5kW, making it an excellent choice for larger rooms, family living spaces, and open-plan interiors.

Its 80% efficiency rating transfers more of the heat generated into the room, helping you make better use of every load of fuel while maintaining outstanding heating performance. The stove burns both seasoned wood and authorised smokeless coal, giving homeowners greater flexibility when choosing fuel.

The large firebox accepts logs up to 500mm long, reducing the need for frequent refuelling and making the stove ideal for extended use during colder weather.

Nestor Martin Harmony 43 Wood Burning Stove Flexible Installation Options

The Harmony 43 offers flexible installation options to suit a wide variety of homes. You can choose either a top or rear flue outlet, making it easier to integrate the stove into an existing chimney system or a new fireplace design.

Nestor Martin includes a rear heat shield as standard, while an optional closed combustion adapter allows connection to an external air supply where required.

The stove measures 770mm high, 750mm wide, and 450mm deep, with a substantial weight of 188kg that reflects its premium cast iron construction. It requires a 150mm flue outlet along with recommended clearances of 250mm from combustible materials at the rear and 300mm at the sides.

If you’re planning a new installation, understanding the wood-burning stove installation process can help you achieve the correct positioning for both safety and performance. We also recommend professional stove installation to ensure reliable long-term operation and compliance with current building regulations.

Designed for Larger Modern Homes

The Harmony 43 can heat spaces of up to 420m³, making it particularly well suited to larger homes where consistent heat output and lasting comfort are essential. Traditional styling, modern combustion technology, and flexible fuel options combine to create a stove that performs as well as it looks.

Whether you install it as the focal point of a renovation or incorporate it into a new-build project, the Harmony 43 delivers the warmth, atmosphere, and craftsmanship that define Nestor Martin’s flagship wood-burning stoves.

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 43 Wood Burning Stove.

Nestor Martin Harmony 43 Wood Burning Stove — Technical Specifications

Core Specifications

Specification Detail
Brand Nestor Martin
Range Harmony
Model Harmony 43
Category Wood Burning / Multifuel Stove
Energy Efficiency Class A+
Fuel Seasoned Wood & Smokeless Coal
Nominal Heat Output 10.5 kW
Efficiency 80%
Recommended Heat Area Up to 420 m³
Maximum Log Length 500 mm
CO Emissions (@13% O₂) 0.06%
Flue Outlet Top or Rear
Flue Diameter 150 mm
Optional Closed Combustion Yes, with adapter
Smoke Control Approved No
Standard EN 13240
Dimensions See Dimensional Download Below

Design Features

Feature Included
Plexus Air Control Yes
ZR Combustion Technology Yes
Convection System Yes
Rear Heat Shield Yes
Air Wash System Yes
Top or Rear Flue Connection Yes
Handle Finish Brass (Nickel & Black Optional)

Dimensions & Weight

Specification Detail
Height 770 mm
Width 750 mm
Depth 450 mm
Weight 188 kg
Distance to Centre of Top Flue Outlet (From Rear) 152 mm
Height to Centre of Rear Flue Outlet 630 mm

Installation Clearances

Clearance Distance
Rear to Combustible Materials 250 mm
Side to Combustible Materials 300 mm

Downloads

H S Instructions A5 Jan 2024 web.pdf
Harmony H43 Energy Label.pdf
Harmony H43 Fiche.pdf
Weight 188 kg
Dimensions 45 × 75 × 77 cm
Handle Colour

Brass (Standard), Nickel

Brand

Nestor Martin

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