Oregon HVAC Load Calculation
Professional HVAC load calculation requirements for Oregon. Get accurate heating and cooling load calculations with state-specific design temperatures, building codes, and local climate considerations for Portland, Eugene, Salem and 2 more cities.
Quick Start Oregon Load Calculator
Get started with your Oregon HVAC load calculation using our professional tools designed for local climate conditions.
Oregon Design Temperatures
Winter Design Temperature
Used for heating load calculations and equipment sizing across Oregon
Summer Design Temperature
Used for cooling load calculations and equipment sizing across Oregon
Climate Zone Information
Oregon spans climate zones 4C and 5B, which means different regions may have varying design requirements. Always verify local design temperatures for your specific project location.
Oregon Building Codes & Requirements
HVAC Requirements
- • High efficiency standards
- • Duct testing mandatory
- • Advanced ventilation
Note: Strong emphasis on green building and renewable energy integration
Energy Code
2019 Oregon Energy Efficiency Specialty Code
Common Building Types
- • Traditional homes
- • Green buildings
- • Commercial structures
Oregon HVAC Challenges
Marine climate
Seismic requirements
Green building standards
Wildfire concerns
Major Cities in Oregon
Quick Facts
Local Resources
Oregon Department of Energy
government
Oregon HVAC Association
organization