the.com/heating
the slow art of arguing with physics until your toes forgive you
romans firsthypocaust floors heated villas 2,000 years ago
heat pumpsthey move heat, don't make it, beating 100% efficiency
body furnacea resting human radiates roughly 100 watts of warmth
thermostat warsthe leading cause of household diplomatic incidents
geothermaliceland heats most homes with underground volcanic water