HVAC Permits for ZIP Code 99158
Complete HVAC permit guide for contractors working in ZIP code 99158,Whitman, Whitman County. Get forms, requirements, and compliance information.
ZIP Code 99158
Whitman, Whitman County, WA
Need Manual J Load Calculations for ZIP 99158?
Get professional load calculations that meet Whitman building department requirements. Climate Zone 5B parameters included.
Get Your Free Load CalculationRequired HVAC Permit Forms
Official permit applications required for HVAC work in ZIP code 99158. Submit through Whitman building department.
Energy Code Compliance for ZIP 99158
Specific energy efficiency requirements and documentation needed for HVAC installations in Climate Zone 5B.
Compliance Requirements
Manual J Load Calculation
Check with DepartmentRequired for proper system sizingRecommended for optimal system sizing and performance
REScheck Energy Analysis
RequiredBuilding envelope compliance verification
Equipment Efficiency Documentation
RequiredSEER/HSPF ratings and ENERGY STAR certification
Duct Design Calculations
RequiredManual D duct sizing and layout plans
Climate Zone 5B Specifications
Zone 5B
IECC Climate Classification
Climate Zone 5B requirements affect equipment efficiency standards, insulation values, and system design parameters for optimal performance.
Energy Code: 2021 IECC
Location: Whitman, Whitman County
Need Professional Load Calculations?
Ensure your HVAC system meets all code requirements in ZIP 99158
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