Hourly Analysis Program 

Provides features for designing HVAC systems handy for contractors, facility engineers and other people that are involved in HVAC systems design. It inputs data and results from system design calculations for energy studies and offers powerful energy analysis capabilities.

Carrier's Hourly Analysis Program is two powerful tools in one package. HAP provides versatile features for designing HVAC systems for commercial buildings. It also offers powerful energy analysis capabilities for comparing energy consumption and operating costs of design alternatives. Input data and results from system design calculations can be used directly in energy studies. By combining both tools in one package significant time savings are achieved.