thank you all for the input. i am trying to figure out how long it would take to heat the tub with a 4 kW heater. to make it simple, if i just convert the kW to BTU, subtract the heat loss through the walls, the remaining BTU would be going directly to the water, correct?
thanks
thanks, sorry for leaving out a lot. i am assuming 102 tub temp, 65 ambient; tub is 30" height x 120" length x 120" width; walls and cover with R-20 insulation.
Thanks
hello, i was wondering if anyone would like to offer their input on hot tub heater control. assuming the hot tub is used every day and heating with a resistance heater would it be more cost effective to leave the heater on all the time so the users can hop in whenever and have the water ready to...
I am doing the Title 24 for a building and would appreciate some help with an exterior stairwell. the exterior wall of the stairs is glass. as of now the interior is either going to be concrete or metal frame with insulation. My question is would either allow the stairwell to be...