How would you calculate the HVAC of an existing dwelling unit using 220.83 if you are not adding any HVAC? Having a little confusion with 220.83(A). Do I use the name plate rating of the units that are existing. This particular house is having a remodel of the kitchen done. They are adding several circuits including floor heat but no additional HVAC.
220.83
- Thread starter lmchenry
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chris kennedy
Senior Member
- Location
- Miami Fla.
- Occupation
- 60 yr old tool twisting electrician
I'm a little confused by your question. You say your not adding any HVAC, yet ask if you use the nameplates of the existing. Are you changing out the existing units to the same tonnage/KW??
If not, use the nameplates of the existing.
- Location
- Chapel Hill, NC
- Occupation
- Retired Electrical Contractor
Use the nameplate of the existing units.
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