So are you saying it depends on the type of hvac system installed. I think I read it has to do with when the compressor comes on?Probably over 200 amps. But with a full calc under 220.82 it might be closer than you think. If the "usual load is expected to be continuous" 220.82(C)(6) the heat only needs to figured at 100% for the feeder or service.
Still at 225 amps if 2000 sq ft, and that's with no appliances (disp, dw, micro, etc.). If the heat can be installed to be non-continuous then figure at 65% and it could be made to work.
I don't know if a compressor is involved, could be resistance heating, probably with a blower motor, but could even be radiant I suppose (baseboards).So are you saying it depends on the type of hvac system installed. I think I read it has to do with when the compressor comes on?
To be sure you would have to do a load calc. Everyone seems to agree that its borderline. I would ugrade it and not take a chance you might add an electric range and or other stuff if you are going to live there for a while.So will this work are not ?? And be safe..
Another question how big is the house? 30kw is alot of heat.We have a house with a 200 amp service..With have 15 kw electric heat on the 2nd floor .. We want to add 15kw on the first floor. Do you think a 200 amp service is large enough?? The only other heavy load is the Electric water heater, and general lighting. Stove is gas.
I agree but Ive heard alot of people are scared of their gas bills going crazy like last year or whenever it was. I have all elec but I saw the news and people were freaking out. Still if they did go 15k gas i bet it would be cheaper and no service upgrade. Sounds like the way to go to me.I'm surprized they are not going with gas heat, its much cheaper to operate and may be
less expensive to install if the service needs to be increased ? The service is close right
now, sounds like about 40 amps left for the rest of the house, EWH is 20 amps so that
leaves 20 ?? Are you willing to gamble that it will work. Well good luck with whatever way
you go !