People ask .... why are you building this
Mentioned Thermal Mass a few times on here.
Time to add part 2 - Thermal Lag.
Scenario:
House is sitting at 60 F - would like to heat it up to work in.
Start up the 80,000 BTU heater and run it for a solid hour.
House goes up to 70 F, and i work for 5 or 6 hours, nice and comfy.
Go out the next day, and it is back down to 60 F. What the heck
We already know that if i have 55 cubic meters of concrete in the walls and floors, that it would take around 110,000 BTU to raise the inside temperature 2 degrees Fahrenheit ( 1 C ).
Thermal lag is the time it takes for the mass to soak up the heat. So when i turn off the heater - the room temp comes back down to match the temp of the concrete.
Explains why it takes 3 days for the temperature to change inside.
Cool. Once i move in and set the thermostats - it will be temperature stable for DAYS.
