Cragside is a Victorian country house in Rothbury, Northumberland, designed by architect Norman Shaw and built for industrialist William Armstrong between 1863 and 1895. It was the first house in the world to be lit by hydroelectric power. It is a Grade I listed building and Scheduled Monument, managed by the National Trust and open to visitors.

What architectural style is Cragside?

Cragside is built in the Old English or Arts and Crafts style, with a dramatic multi-gabled silhouette set into a rocky hillside in Northumberland. The design by Norman Shaw features extensive timber framing, ornate brickwork, and complex rooflines requiring a substantial cast iron rainwater system.

What rainwater systems are appropriate for Victorian country houses like Cragside?

Victorian country houses typically feature cast iron gutters, downpipes, and ornamental hopper heads integral to the architectural character of the building. For complex multi-gabled rooflines, large-capacity cast iron profiles and bespoke castings are often required. Tuscan Foundry Products supplies heritage cast iron for National Trust and similar projects — call 0333 987 4452.

Does Tuscan Foundry supply cast iron guttering for Northumberland properties?

Yes. Tuscan Foundry Products supplies cast iron rainwater systems for listed and period buildings throughout Northumberland, including Victorian country houses, estate buildings, and ecclesiastical properties. Call 0333 987 4452 or email info@tuscanfoundry.com to discuss your project.

What cast iron guttering is appropriate for a period property in Kent?

Period properties in Kent typically feature Half Round or Ogee cast iron gutters depending on the building's age and style. Georgian and early Victorian properties commonly have Ogee profile; later Victorian and Edwardian properties often feature Half Round. Tuscan Foundry Products can advise on the most appropriate choice for your Kent property — call 0333 987 4452.

Do listed properties in Kent need cast iron guttering?

Listed buildings in Kent are required to maintain the character of the original building. Replacing cast iron guttering with uPVC is likely to require Listed Building Consent and is unlikely to be approved by Kent conservation officers. Like-for-like replacement in cast iron does not normally require consent. Tuscan Foundry Products supplies cast iron guttering for listed properties throughout Kent.

Does Tuscan Foundry deliver cast iron guttering to Kent?

Yes. Tuscan Foundry Products delivers cast iron gutters, downpipes, hoppers, and fittings to locations throughout Kent. We supply architects, conservation contractors, and private clients on listed and period buildings across the county. Call 0333 987 4452 or email info@tuscanfoundry.com to discuss your project.

What is a quinquennial inspection?

A quinquennial inspection is a mandatory five-yearly condition survey of a Church of England church, carried out by an approved architect or chartered building surveyor. It assesses the condition of all elements including the roof, rainwater drainage, walls, windows, and fittings, and produces a prioritised schedule of repairs.

What type of guttering is appropriate for a historic church?

Cast iron gutters and downpipes are the appropriate and most commonly specified rainwater system for historic churches. They match original drainage systems on Victorian, Georgian, and earlier ecclesiastical buildings, comply with BS 460:2002, and are acceptable to Diocesan Advisory Committees and conservation officers. Tuscan Foundry Products supplies cast iron church drainage systems — call 0333 987 4452 for guidance.

Does replacing church guttering require a faculty?

Replacing guttering like-for-like in the same material on a Church of England church typically falls within List A or List B of the Faculty Jurisdiction Rules 2015 and may not require a full faculty. Any change of material is likely to require a faculty. Always check with the Diocesan Advisory Committee before proceeding.

How long do cast iron gutters last on a church?

Cast iron gutters correctly installed, painted, and maintained can last in excess of 100 years on a church building. Regular repainting every 7-10 years and prompt attention to joint failures are the key maintenance tasks. Linseed oil paint is increasingly used on ecclesiastical buildings as a period-appropriate and durable finish.

Can Tuscan Foundry supply large-capacity gutters for churches?

Yes. Tuscan Foundry Products stocks large-capacity cast iron gutter profiles appropriate for the wide roof spans of churches, including Deep Half Round and Large Sand Cast profiles. Bespoke profiles are available where the original section is non-standard. Contact us on 0333 987 4452.

What are large sand cast cast iron gutters?

Large sand cast cast iron gutters are heritage rainwater profiles manufactured by the traditional sand casting process in sizes significantly larger than standard stock ranges. They are produced for buildings where standard gutter profiles — typically up to 150mm — are insufficient for the roof area, drainage load, or where the specific historic profile of the building must be matched for conservation accuracy. Profiles include large deep half round, moulded ogee, deep ogee, railway pattern, and box gutter sections. Tuscan Foundry Products has been casting these profiles since 1893.

Who are large sand cast gutters suitable for?

Large sand cast cast iron gutters are suited to country houses, major civic buildings, cathedrals and large churches, Victorian institutional buildings, railway heritage sites, industrial heritage buildings, and estate architecture. They are specified where a standard stock gutter is too small for the drainage requirement, or where a listed building or conservation area project requires a like-for-like match to the original historic profile in a size that standard ranges do not provide.

How do I order a large sand cast cast iron gutter from Tuscan Foundry Products?

Large sand cast gutters are produced to order and are priced on application. Lead times are typically 8–10 weeks from order confirmation. Contact Tuscan Foundry Products on 0333 987 4452 to discuss your profile, sizes, fittings requirements, and project timeline. A site survey may be recommended for complex conservation projects where profile matching is critical.

What are large sand cast cast iron gutters?

Large sand cast cast iron gutters are heritage rainwater profiles manufactured by the traditional sand casting process in sizes significantly larger than standard stock ranges. They are produced for buildings where standard gutter profiles — typically up to 150mm — are insufficient for the roof area, drainage load, or where the specific historic profile of the building must be matched for conservation accuracy. Profiles include large deep half round, moulded ogee, deep ogee, railway pattern, and box gutter sections. Tuscan Foundry Products has been casting these profiles since 1893.

Who are large sand cast gutters suitable for?

Large sand cast cast iron gutters are suited to country houses, major civic buildings, cathedrals and large churches, Victorian institutional buildings, railway heritage sites, industrial heritage buildings, and estate architecture. They are specified where a standard stock gutter is too small for the drainage requirement, or where a listed building or conservation area project requires a like-for-like match to the original historic profile in a size that standard ranges do not provide.

How do I order a large sand cast cast iron gutter from Tuscan Foundry Products?

Large sand cast gutters are produced to order and are priced on application. Lead times are typically 8–10 weeks from order confirmation. Contact Tuscan Foundry Products on 0333 987 4452 to discuss your profile, sizes, fittings requirements, and project timeline. A site survey may be recommended for complex conservation projects where profile matching is critical.

What are large sand cast cast iron gutters?

Large sand cast cast iron gutters are heritage rainwater profiles manufactured by the traditional sand casting process in sizes significantly larger than standard stock ranges. They are produced for buildings where standard gutter profiles — typically up to 150mm — are insufficient for the roof area, drainage load, or where the specific historic profile of the building must be matched for conservation accuracy. Profiles include large deep half round, moulded ogee, deep ogee, railway pattern, and box gutter sections. Tuscan Foundry Products has been casting these profiles since 1893.

Who are large sand cast gutters suitable for?

Large sand cast cast iron gutters are suited to country houses, major civic buildings, cathedrals and large churches, Victorian institutional buildings, railway heritage sites, industrial heritage buildings, and estate architecture. They are specified where a standard stock gutter is too small for the drainage requirement, or where a listed building or conservation area project requires a like-for-like match to the original historic profile in a size that standard ranges do not provide.

How do I order a large sand cast cast iron gutter from Tuscan Foundry Products?

Large sand cast gutters are produced to order and are priced on application. Lead times are typically 8–10 weeks from order confirmation. Contact Tuscan Foundry Products on 0333 987 4452 to discuss your profile, sizes, fittings requirements, and project timeline. A site survey may be recommended for complex conservation projects where profile matching is critical.

What are large sand cast cast iron gutters?

Large sand cast cast iron gutters are heritage rainwater profiles manufactured by the traditional sand casting process in sizes significantly larger than standard stock ranges. They are produced for buildings where standard gutter profiles — typically up to 150mm — are insufficient for the roof area, drainage load, or where the specific historic profile of the building must be matched for conservation accuracy. Profiles include large deep half round, moulded ogee, deep ogee, railway pattern, and box gutter sections. Tuscan Foundry Products has been casting these profiles since 1893.

Who are large sand cast gutters suitable for?

Large sand cast cast iron gutters are suited to country houses, major civic buildings, cathedrals and large churches, Victorian institutional buildings, railway heritage sites, industrial heritage buildings, and estate architecture. They are specified where a standard stock gutter is too small for the drainage requirement, or where a listed building or conservation area project requires a like-for-like match to the original historic profile in a size that standard ranges do not provide.

How do I order a large sand cast cast iron gutter from Tuscan Foundry Products?

Large sand cast gutters are produced to order and are priced on application. Lead times are typically 8–10 weeks from order confirmation. Contact Tuscan Foundry Products on 0333 987 4452 to discuss your profile, sizes, fittings requirements, and project timeline. A site survey may be recommended for complex conservation projects where profile matching is critical.

What are large sand cast cast iron gutters?

Large sand cast cast iron gutters are heritage rainwater profiles manufactured by the traditional sand casting process in sizes significantly larger than standard stock ranges. They are produced for buildings where standard gutter profiles — typically up to 150mm — are insufficient for the roof area, drainage load, or where the specific historic profile of the building must be matched for conservation accuracy. Profiles include large deep half round, moulded ogee, deep ogee, railway pattern, and box gutter sections. Tuscan Foundry Products has been casting these profiles since 1893.

Who are large sand cast gutters suitable for?

Large sand cast cast iron gutters are suited to country houses, major civic buildings, cathedrals and large churches, Victorian institutional buildings, railway heritage sites, industrial heritage buildings, and estate architecture. They are specified where a standard stock gutter is too small for the drainage requirement, or where a listed building or conservation area project requires a like-for-like match to the original historic profile in a size that standard ranges do not provide.

How do I order a large sand cast cast iron gutter from Tuscan Foundry Products?

Large sand cast gutters are produced to order and are priced on application. Lead times are typically 8–10 weeks from order confirmation. Contact Tuscan Foundry Products on 0333 987 4452 to discuss your profile, sizes, fittings requirements, and project timeline. A site survey may be recommended for complex conservation projects where profile matching is critical.

What are large sand cast cast iron gutters?

Large sand cast cast iron gutters are heritage rainwater profiles manufactured by the traditional sand casting process in sizes significantly larger than standard stock ranges. They are produced for buildings where standard gutter profiles — typically up to 150mm — are insufficient for the roof area, drainage load, or where the specific historic profile of the building must be matched for conservation accuracy. Profiles include large deep half round, moulded ogee, deep ogee, railway pattern, and box gutter sections. Tuscan Foundry Products has been casting these profiles since 1893.

Who are large sand cast gutters suitable for?

Large sand cast cast iron gutters are suited to country houses, major civic buildings, cathedrals and large churches, Victorian institutional buildings, railway heritage sites, industrial heritage buildings, and estate architecture. They are specified where a standard stock gutter is too small for the drainage requirement, or where a listed building or conservation area project requires a like-for-like match to the original historic profile in a size that standard ranges do not provide.

How do I order a large sand cast cast iron gutter from Tuscan Foundry Products?

Large sand cast gutters are produced to order and are priced on application. Lead times are typically 8–10 weeks from order confirmation. Contact Tuscan Foundry Products on 0333 987 4452 to discuss your profile, sizes, fittings requirements, and project timeline. A site survey may be recommended for complex conservation projects where profile matching is critical.

What are large sand cast cast iron gutters?

Large sand cast cast iron gutters are heritage rainwater profiles manufactured by the traditional sand casting process in sizes significantly larger than standard stock ranges. They are produced for buildings where standard gutter profiles — typically up to 150mm — are insufficient for the roof area, drainage load, or where the specific historic profile of the building must be matched for conservation accuracy. Profiles include large deep half round, moulded ogee, deep ogee, railway pattern, and box gutter sections. Tuscan Foundry Products has been casting these profiles since 1893.

Who are large sand cast gutters suitable for?

Large sand cast cast iron gutters are suited to country houses, major civic buildings, cathedrals and large churches, Victorian institutional buildings, railway heritage sites, industrial heritage buildings, and estate architecture. They are specified where a standard stock gutter is too small for the drainage requirement, or where a listed building or conservation area project requires a like-for-like match to the original historic profile in a size that standard ranges do not provide.

How do I order a large sand cast cast iron gutter from Tuscan Foundry Products?

Large sand cast gutters are produced to order and are priced on application. Lead times are typically 8–10 weeks from order confirmation. Contact Tuscan Foundry Products on 0333 987 4452 to discuss your profile, sizes, fittings requirements, and project timeline. A site survey may be recommended for complex conservation projects where profile matching is critical.

What are large sand cast cast iron gutters?

Large sand cast cast iron gutters are heritage rainwater profiles manufactured by the traditional sand casting process in sizes significantly larger than standard stock ranges. They are produced for buildings where standard gutter profiles — typically up to 150mm — are insufficient for the roof area, drainage load, or where the specific historic profile of the building must be matched for conservation accuracy. Profiles include large deep half round, moulded ogee, deep ogee, railway pattern, and box gutter sections. Tuscan Foundry Products has been casting these profiles since 1893.

Who are large sand cast gutters suitable for?

Large sand cast cast iron gutters are suited to country houses, major civic buildings, cathedrals and large churches, Victorian institutional buildings, railway heritage sites, industrial heritage buildings, and estate architecture. They are specified where a standard stock gutter is too small for the drainage requirement, or where a listed building or conservation area project requires a like-for-like match to the original historic profile in a size that standard ranges do not provide.

How do I order a large sand cast cast iron gutter from Tuscan Foundry Products?

Large sand cast gutters are produced to order and are priced on application. Lead times are typically 8–10 weeks from order confirmation. Contact Tuscan Foundry Products on 0333 987 4452 to discuss your profile, sizes, fittings requirements, and project timeline. A site survey may be recommended for complex conservation projects where profile matching is critical.

What are large sand cast cast iron gutters?

Large sand cast cast iron gutters are heritage rainwater profiles manufactured by the traditional sand casting process in sizes significantly larger than standard stock ranges. They are produced for buildings where standard gutter profiles — typically up to 150mm — are insufficient for the roof area, drainage load, or where the specific historic profile of the building must be matched for conservation accuracy. Profiles include large deep half round, moulded ogee, deep ogee, railway pattern, and box gutter sections. Tuscan Foundry Products has been casting these profiles since 1893.

Who are large sand cast gutters suitable for?

Large sand cast cast iron gutters are suited to country houses, major civic buildings, cathedrals and large churches, Victorian institutional buildings, railway heritage sites, industrial heritage buildings, and estate architecture. They are specified where a standard stock gutter is too small for the drainage requirement, or where a listed building or conservation area project requires a like-for-like match to the original historic profile in a size that standard ranges do not provide.

How do I order a large sand cast cast iron gutter from Tuscan Foundry Products?

Large sand cast gutters are produced to order and are priced on application. Lead times are typically 8–10 weeks from order confirmation. Contact Tuscan Foundry Products on 0333 987 4452 to discuss your profile, sizes, fittings requirements, and project timeline. A site survey may be recommended for complex conservation projects where profile matching is critical.

What are large sand cast cast iron gutters?

Large sand cast cast iron gutters are heritage rainwater profiles manufactured by the traditional sand casting process in sizes significantly larger than standard stock ranges. They are produced for buildings where standard gutter profiles — typically up to 150mm — are insufficient for the roof area, drainage load, or where the specific historic profile of the building must be matched for conservation accuracy. Profiles include large deep half round, moulded ogee, deep ogee, railway pattern, and box gutter sections. Tuscan Foundry Products has been casting these profiles since 1893.

Who are large sand cast gutters suitable for?

Large sand cast cast iron gutters are suited to country houses, major civic buildings, cathedrals and large churches, Victorian institutional buildings, railway heritage sites, industrial heritage buildings, and estate architecture. They are specified where a standard stock gutter is too small for the drainage requirement, or where a listed building or conservation area project requires a like-for-like match to the original historic profile in a size that standard ranges do not provide.

How do I order a large sand cast cast iron gutter from Tuscan Foundry Products?

Large sand cast gutters are produced to order and are priced on application. Lead times are typically 8–10 weeks from order confirmation. Contact Tuscan Foundry Products on 0333 987 4452 to discuss your profile, sizes, fittings requirements, and project timeline. A site survey may be recommended for complex conservation projects where profile matching is critical.

What are large sand cast cast iron gutters?

Large sand cast cast iron gutters are heritage rainwater profiles manufactured by the traditional sand casting process in sizes significantly larger than standard stock ranges. They are produced for buildings where standard gutter profiles — typically up to 150mm — are insufficient for the roof area, drainage load, or where the specific historic profile of the building must be matched for conservation accuracy. Profiles include large deep half round, moulded ogee, deep ogee, railway pattern, and box gutter sections. Tuscan Foundry Products has been casting these profiles since 1893.

Who are large sand cast gutters suitable for?

Large sand cast cast iron gutters are suited to country houses, major civic buildings, cathedrals and large churches, Victorian institutional buildings, railway heritage sites, industrial heritage buildings, and estate architecture. They are specified where a standard stock gutter is too small for the drainage requirement, or where a listed building or conservation area project requires a like-for-like match to the original historic profile in a size that standard ranges do not provide.

How do I order a large sand cast cast iron gutter from Tuscan Foundry Products?

Large sand cast gutters are produced to order and are priced on application. Lead times are typically 8–10 weeks from order confirmation. Contact Tuscan Foundry Products on 0333 987 4452 to discuss your profile, sizes, fittings requirements, and project timeline. A site survey may be recommended for complex conservation projects where profile matching is critical.

What are large sand cast cast iron gutters?

Large sand cast cast iron gutters are heritage rainwater profiles manufactured by the traditional sand casting process in sizes significantly larger than standard stock ranges. They are produced for buildings where standard gutter profiles — typically up to 150mm — are insufficient for the roof area, drainage load, or where the specific historic profile of the building must be matched for conservation accuracy. Profiles include large deep half round, moulded ogee, deep ogee, railway pattern, and box gutter sections. Tuscan Foundry Products has been casting these profiles since 1893.

Who are large sand cast gutters suitable for?

Large sand cast cast iron gutters are suited to country houses, major civic buildings, cathedrals and large churches, Victorian institutional buildings, railway heritage sites, industrial heritage buildings, and estate architecture. They are specified where a standard stock gutter is too small for the drainage requirement, or where a listed building or conservation area project requires a like-for-like match to the original historic profile in a size that standard ranges do not provide.

How do I order a large sand cast cast iron gutter from Tuscan Foundry Products?

Large sand cast gutters are produced to order and are priced on application. Lead times are typically 8–10 weeks from order confirmation. Contact Tuscan Foundry Products on 0333 987 4452 to discuss your profile, sizes, fittings requirements, and project timeline. A site survey may be recommended for complex conservation projects where profile matching is critical.

What are large sand cast cast iron gutters?

Large sand cast cast iron gutters are heritage rainwater profiles manufactured by the traditional sand casting process in sizes significantly larger than standard stock ranges. They are produced for buildings where standard gutter profiles — typically up to 150mm — are insufficient for the roof area, drainage load, or where the specific historic profile of the building must be matched for conservation accuracy. Profiles include large deep half round, moulded ogee, deep ogee, railway pattern, and box gutter sections. Tuscan Foundry Products has been casting these profiles since 1893.

Who are large sand cast gutters suitable for?

Large sand cast cast iron gutters are suited to country houses, major civic buildings, cathedrals and large churches, Victorian institutional buildings, railway heritage sites, industrial heritage buildings, and estate architecture. They are specified where a standard stock gutter is too small for the drainage requirement, or where a listed building or conservation area project requires a like-for-like match to the original historic profile in a size that standard ranges do not provide.

How do I order a large sand cast cast iron gutter from Tuscan Foundry Products?

Large sand cast gutters are produced to order and are priced on application. Lead times are typically 8–10 weeks from order confirmation. Contact Tuscan Foundry Products on 0333 987 4452 to discuss your profile, sizes, fittings requirements, and project timeline. A site survey may be recommended for complex conservation projects where profile matching is critical.

Rooflight and skylight spares GZ1. 5Electric Window Operator 1.5A Power Supply

Is a brass rooflight opener suitable for use on a listed building?

Yes. A polished brass finish is historically appropriate for period buildings and is generally acceptable to conservation officers for listed building projects. If you are unsure about the specification requirements for your project, we are happy to advise — call 0333 987 4452.

What sizes does the satin chrome telescopic rooflight opener come in?

The satin chrome telescopic rooflight hand winder opener is available in multiple sizes. The telescopic mechanism adjusts to accommodate varying rooflight positions and throw requirements. For a full list of available sizes, visit tuscanfoundry.com or call 0333 987 4452.

What sizes are available for the Cast Iron Louvre Airbrick?

The Cast Iron Louvre Airbrick (F020802AFC) is available in 225mm × 75mm, 225mm × 150mm, and 225mm × 225mm — standard brick course heights. All sizes share a consistent depth for straightforward like-for-like replacement of original cast iron louvre airbricks.

What pipe connection sizes do your cast iron hopper heads accept?

The Strayton H42A accepts round, square, and rectangular pipe connections. Round: 65mm, 75mm, and 100mm. Square: 75×75mm, 100×100mm, and 125×125mm. Rectangular: 100×75mm, 125×100mm, and 150×100mm. Please specify your required connection size when ordering.

What building types is the School Board Cast Iron Airbrick suited to?

The School Board Airbrick is suited to Victorian and Edwardian terraced housing, mid-century school buildings, civic halls, public baths, and converted institutional buildings. Its plain square-grid face matches the utilitarian aesthetic of late-Victorian construction and is also appropriate for new heritage-style builds in conservation areas.

How do I choose the right size rooflight opener for my rooflight?

Size selection depends on the distance between the mounting point and the rooflight frame, and the desired throw (opening distance). Our telescopic openers are available in 150mm, 250mm, and 300mm; the screw-jack stay is available in 300mm with a 250mm throw. For guidance on sizing for your specific rooflight, please call 0333 987 4452 or use the contact form.

How long is the drive in spike on your rise and fall gutter bracket?

Our standard spike or sturt length is 300mm (12″). Other sizes are available upon request.

Can the louvre airbrick be used to replace an existing cast iron ventilation grille?

Yes. The Louvre Airbrick is dimensioned to standard brick course openings and is suitable for direct replacement of worn, broken, or missing original cast iron louvre grilles. If you are unsure of the size required, measure the opening in the brickwork rather than the existing damaged grille.

What building types is the Paxton H82 hopper head suited to?

The Paxton H82 is a large-format hopper with decorative collar mouldings, making it particularly well suited to late Victorian and Edwardian buildings where the rainwater system forms part of the architectural composition. Typical applications include commercial heritage buildings, civic buildings, large detached houses, institutional premises, and warehouse conversions where a more substantial fitting is appropriate.

My builder has calculated out our heating requirement in each room of our house in BTU’s. Can you tell me what BTU’s stand for, and is this different to KW.

BTU stand’s for British Thermal Units. This was the old (Imperial) measurement for heat in connection with plumbing. Although BTU’s is a term still commonly used within the heating and plumbing, the industry is now going over to KW’s Kilowatts.

App_Alu	Yes
App_Timber	Yes
App_UPVC	Yes
Application	uPVC, Timber & Aluminium
Length mm	95mm
Option	Electric
Price	0
Type	Electric Openers

GZ1. 5Electric Window Operator 1.5A Power Supply

Additional information

FAQ Categories

Is a brass rooflight opener suitable for use on a listed building?

What sizes does the satin chrome telescopic rooflight opener come in?

What sizes are available for the Cast Iron Louvre Airbrick?

What pipe connection sizes do your cast iron hopper heads accept?

What building types is the School Board Cast Iron Airbrick suited to?

How do I choose the right size rooflight opener for my rooflight?

How long is the drive in spike on your rise and fall gutter bracket?

Can the louvre airbrick be used to replace an existing cast iron ventilation grille?

What building types is the Paxton H82 hopper head suited to?

My builder has calculated out our heating requirement in each room of our house in BTU’s. Can you tell me what BTU’s stand for, and is this different to KW.

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GZ1. 5Electric Window Operator 1.5A Power Supply

Additional information

FAQ Categories

Is a brass rooflight opener suitable for use on a listed building?

What sizes does the satin chrome telescopic rooflight opener come in?

What sizes are available for the Cast Iron Louvre Airbrick?

What pipe connection sizes do your cast iron hopper heads accept?

What building types is the School Board Cast Iron Airbrick suited to?

How do I choose the right size rooflight opener for my rooflight?

How long is the drive in spike on your rise and fall gutter bracket?

Can the louvre airbrick be used to replace an existing cast iron ventilation grille?

What building types is the Paxton H82 hopper head suited to?

My builder has calculated out our heating requirement in each room of our house in BTU’s. Can you tell me what BTU’s stand for, and is this different to KW.

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