mini split air conditioning
How many circuits should I plan in my new home?
We are building a new home which will have the following rooms
1 Bedroom
Kitchen
Dining Rm/area
Living Room
Master bath
Main/guest bath
Office/den
There will be an unfinished attic that could be used for future expansion
The master bath will have a whirlpool tub and a far infrared sauna. Heat lamp in ceiling for both baths. The area for the sauna could be used for a stack-able washer/dryer in the future instead of the sauna. All outlets will be wired for 20 amp circuits [#12 wire].
It is planned to add a mini split ductless air conditioning at least in the living room/kitchen dining area which is all one open area about 17ft. by 36ft.
How many circuits will we need?
A good rule to follow ; 1 outlet= 1 amp. You should not exceed 80% of breaker rating. i.e. 20 amp breaker = 16 outlets. Each light, or fan = 1 amp . So a ceiling fan with light = 2 amps.
40A 240V for range , 30A 240V for dryer(some stack-able units only need 30A 240V, check manufacturer)othrewise you will need 20A 120V for washer, Two seperate circuts in kitchen 20A 120V, check local codes, but bath plugs may need own 20A 120V circut(this can be the same circut). Check amp rating for heat lamps, and A\C unit. 2009 national elec. code requires Arc-fault breakers on bed rm. Don’t forget smoke detctors, dishwasher?, disposal?, microwave? refrigerator could go on one of kitchen branch circuts.
Check with manufactuer for amps on the sauna.
Hope this helps, if in doubt call local electrician, or elec inspector they should be able to help.
Cabin Update 8-11-08
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