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Mistral Boilers

With over 40 years experience in the manufacture of oil boilers, Mistral have become one of the best-known names in the industry for producing leading boilers with innovative features. As well as standard sizes, Mistral also offer the Mega range of combi oil boilers - perfect for country houses, barn conversions and commercial areas. Whether you are looking to site your boiler internally or externally, Mistral offer boilers in over 50 different setups, ensuring there will be an oil boiler for your scenario.

BTU Calculator

Below is a tool that can enable you to calculate the BTU requirements needed for your room.

There are many factors that affect this calculation including the outdoor temperature, thickness of exterior walls and the quality of insulation installed. You should also ensure you have a boiler that is capable of generating necessary output for all of the radiators in your property.

Our BTU calculator should be used as a guide only, the actual BTU requirements may be slightly different to what our calculator will produce. If you need further help, please contact us.

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