I help people understand heat & heating industry. My family have been installing heat pump technology for nearly half a century. I run the Guild of Master Heat Engineers
BetaTeach.co.uk
Here is the video
Here is the video
here is a video series to help people understand the science
WORTH noting that new (uninsulated) homes built in the 1960s had single panel radiators which did not need a flow temperature above 55°C on an average day of winter (e.g. 9°C outside)
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