Pennsylvania HVAC Load Calculation
Professional HVAC load calculation requirements for Pennsylvania. Get accurate heating and cooling load calculations with state-specific design temperatures, building codes, and local climate considerations for Philadelphia, Pittsburgh, Allentown and 3 more cities.
Quick Start Pennsylvania Load Calculator
Get started with your Pennsylvania HVAC load calculation using our professional tools designed for local climate conditions.
Pennsylvania Design Temperatures
Winter Design Temperature
Used for heating load calculations and equipment sizing across Pennsylvania
Summer Design Temperature
Used for cooling load calculations and equipment sizing across Pennsylvania
Climate Zone Information
Pennsylvania spans climate zones 4A and 5A, which means different regions may have varying design requirements. Always verify local design temperatures for your specific project location.
Pennsylvania Building Codes & Requirements
HVAC Requirements
- • Standard efficiency requirements
- • Duct testing recommended
- • Ventilation standards
Note: Philadelphia and Pittsburgh have additional local requirements
Energy Code
2015 IECC with Pennsylvania amendments
Common Building Types
- • Historic homes
- • Industrial facilities
- • Urban apartments
Pennsylvania HVAC Challenges
Historic preservation
Industrial pollution
Urban density
Variable climate
Major Cities in Pennsylvania
Quick Facts
Local Resources
Pennsylvania DEP Office of Energy
government
Pennsylvania HVAC Association
organization