Extra $38/m, and because the heat is targeted we can leave the unoccupied areas colder. Certainly not an efficient way to heat the house, but the main concern

Extra $38/m, and because the heat is targeted we can leave the unoccupied areas colder. Certainly not an efficient way to heat the house, but the main concern is oxygen and not generating co2 with the furnace, then air filtration (SLC nasty air), then humidity, then food, THEN heating. edit: we vent the tents directly at our beds