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Hello I'm looking at calculating the BTU requirements for several rooms for our central heating system installation. I have done several online calculators and the requirement for one of our rooms seems to range from 5000 up to 8000 depending on the calculator. Is there anything that I...

Two years ago I bought and installed a Yale Smartphone Alarm system. At the time I bought it I was told (by Yale) that it would work on a wifi system which was one of the main selling points for me (the other being the Smartphone facility and the wireless nature of it) Anyway, came to install...

hi all I've recently moved in with my other half and we're having problems with the hot water/back boiler and I was hoping someone on here would be able to help as I've tried googling but can't find the info I need and I'm getting different information from different people. I don't know the...