Residential Heat Load Calculations

 Manual J is the industry-standard method used to calculate the precise heating and cooling loads for a home or building. Developed by the Air Conditioning Contractors of America (ACCA), a Manual J load calculation determines the exact amount of heating and cooling a space needs based on factors like square footage, insulation, windows, air infiltration, climate, and occupancy. 

Starting at $200

 Manual D is the industry-standard method for designing residential duct systems. Developed by the ACCA, a Manual D calculation ensures that the ductwork in a home or building is properly sized and balanced to deliver the right amount of airflow to 

Starting at $140

 Manual S is the industry-standard method used to select the right heating and cooling equipment for a home or building. Manual S ensures that HVAC equipment—such as furnaces, air conditioners, and heat pumps—is properly matched to the building’s heating and cooling loads determined by the Manual J calculation.

Starting at $105