Boiler efficiency is about how much usable heat energy you get from your boiler for every unit of energy you put into it. The more efficient your heating system, the less energy you'll be using to ...
The energy giant says combi boilers work best when they heat radiators to 60°C or below ...
The energy company has shared advice on adjusting your boiler in ways that could cut your energy bills.
The Standard's journalism is supported by our readers. When you purchase through links on our site, we may earn an affiliate commission. Aside from being told you need a new roof, the words homeowners ...
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