Version 2.02 of Comfort Optimizerâ„¢ load calculation software is available. It performs room-by-room or whole-house load calculations in a fraction of the time required by a conventional program, ...

A multifamily dwelling is one that contains three or more dwelling units [Art. 100]. Though similar, single and multifamily dwellings have distinct differences. The wiring method used for a ...

What is a load calculation? A load calc determines just how much heating and cooling is needed for a specific house or building. It takes the guesswork out of sizing HVAC equipment. Its methods have ...

Why is it essential to provide a load calculation before retrofitting a new heating and cooling system in an older house? To make sure the right size systems get installed, use Manual S. To design the ...

The NEC defines a dwelling unit as a single unit that provides complete and independent living facilities for one or more persons that must include permanent provisions for living, sleeping, cooking, ...

The electrical panel, also known as the service panel, is the control center for all the electrical circuitry in a residence. Today’s panels are bigger than earlier versions. They have to be, because ...