Subscribe to get more!
Receive bonus content when you take out a paid subscription
I’ve been fixing the window box heater. It’s been working OK over winter but not to its maximum. I’ll rebuild it over Summer and add a temperature control so that it only comes on when the air temperature in the box is over 20°C.… Continue Reading “Solar window heater update”
Last year I started fiddling with passive heating and whipped up one of these window box heaters. I found several flaws with my design and have since learned how to improve the efficiency greatly. For this test, I just leaned it on the sill… Continue Reading “Window box heater”