Recent content by WilfZwolf

Thank you Richard the Third This was my dilemma - as heat loss calculations indicated a boiler capable of 15kW was all that was required. Whereas, the underfloor heating chaps said their system required 18.7kW I had expected to follow the instructions for heat loss calculations and...

Many thanks Muggles. I definitely would not question the underfloor heating people and their experience/software/knowledge. I am wondering if it is possible to ascertain what extra kW I need for the hot water for rest of the house - three bathrooms and the kitchen and utility. If it...

Good afternoon. We are building our own house and will be installing underfloor heating. Our supplier says we need a gas boiler to provide 18.7kW for the underfloor heating. I understand the importance of not "over-boilering" and have completed may calculations on the internet to determine...