Pennsylvania HVAC Load Calculation Guide
Free HVAC load calculation guide for Pennsylvania. Review climate zones, design temperatures, building code context, and local calculator resources for Philadelphia, Pittsburgh, Allentownand 3 more cities.
Start with the Free Pennsylvania Load Calculator
Use our residential or commercial calculator to estimate loads with Pennsylvania-relevant climate conditions in mind.
Pennsylvania Design Temperatures
Winter Design Temperature
4°F
Used for heating load calculations and equipment sizing across Pennsylvania
Summer Design Temperature
88°F
Used for cooling load calculations and equipment sizing across Pennsylvania
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
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Historic preservation
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Industrial pollution
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Urban density
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Variable climate
Major Cities in Pennsylvania
Local Resources
Pennsylvania DEP Office of Energy
government
Pennsylvania HVAC Association
organization