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BTU Calculator
Use our BTU calculator to easily work out what size radiator you will need, by entering information about your room in our calculator.

A practical solution providing both seating and heating, perfect for boot rooms, utility rooms and conservatories. The Ancona® Bench Seat combines both a radiator and a seat to give you a bespoke finish to areas that need extra warmth.
Designed in Italy and crafted from the highest quality steel, this radiator not only looks great but is built to last. Make it your own by choosing from 27 models, 30 special finishes and 188 RAL colours. Each bench seat is made to order in 5 weeks and comes with a 10-year guarantee.
| Certification | UKCA, CE & EN442 |
|---|---|
| Dual Fuel | No |
| Fuel Type | Hydronic |
| Guarantee | 10 Years |
| Material | Steel |
| Delivery | 5 weeks |
| Height(s) (mm) | 4,604mm - 5,056mm |
|---|---|
| Width(s) (mm) | 650,502mm - 26,502,502mm |

A radiator's BTU is a simple number that shows how much heat it emits, so you can make informed decisions when buying radiators and ensure they heat your space effectively. Use our BTU calculator to work out the exact heat output required for any room in your home.
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With over 60 years of experience providing the best in contemporary and designer radiators, we can help you choose the perfect solution for warming your home.
Our designer radiators are suitable for every room: Living rooms, Hallways, Kitchens, Bedrooms, Bathrooms and Conservatories.