HVAC Calculations

Residential HVAC – Manual J Design Calculations

HVAC Calculations

In the past, most HVAC contractors did very little actual design work when “designing” a heating and air conditioning system. Too many of these contractors still operate under the same belief – that “rule of…


HVAC Design Calculations – For the Homeowner, Builder, Architect, and the Handy Do-It-Yourselfer

HVAC Calculations

HVAC design calculations, Manual J heat loss/gain calculation, Manual D duct designs, and Manual S equipment selection, are the ACCA approved methods for properly designing heating and/or air conditioning and ventilation systems (HVAC). These methods…