THE FIRST STEP when specifying and recommending a residential heating system is to determine the heat load for the project. Here is software that can speed that process and guarantee accuracy.

What do turf wars, battle lines, and tug of war have in common? They are all being mentioned by people involved in the creation of two rival commercial HVAC load calculation standards, one from the ...

Sizing walk-in coolers and freezers generally is not a difficult procedure. Many reference charts list the required refrigeration loads for different size walk-ins. Generally, they provide two load ...