Clearwater, Idaho HVAC Climate Zone

Clearwater is located in IECC Climate Zone 5B (Cool - Dry). Get accurate Manual J load calculations with official design temperatures for Clearwater.

Climate Zone
5B
Winter Design
-7°F
Summer Design
91°F
ZIP Codes
6

Clearwater HVAC Contractors: Get Your Free Manual J Report

Climate Zone 5B requires precise load calculations. Upload your Clearwater blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with Clearwater's exact design temperatures (-7°F winter / 91°F summer).

Claim Free Report
No credit card required

Verify Your Clearwater ZIP Code

Enter your ZIP code to confirm it's in Clearwater and get climate zone details.

Clearwater covers 6 ZIP codes: 83520, 83541, 83544, 83546, 83553, 83827

Clearwater Design Temperatures

Official ASHRAE design temperatures for Clearwater, used for accurate Manual J load calculations.

Winter 99% Design Temp
-7°F
Summer 1% Design Temp
91°F
Summer Wet Bulb
63°F

IECC Requirements for Zone 5B

Minimum insulation and window requirements for Clearwater per IECC 2021.

Wall Insulation:R-20
Roof/Ceiling:R-49
Floor Insulation:R-30
Window U-Factor:0.3
Window SHGC:0.4

Energy Code: 2021 IECC

Recommended HVAC Equipment for Clearwater

Heating Systems

Gas furnace (95%+ AFUE)
Typical AFUE
95-98%

Cooling Systems

AC (13-15 SEER)
Typical SEER
13-15 SEER

Get Free Manual J Calculations for Clearwater

Upload your Clearwater blueprint and get a professional Manual J load calculation using official Zone 5B design temperatures. First report is FREE.

Clearwater design temps
Zone 5B compliant
Ready in 60 seconds
Upload Blueprint → Get Free Report

Join 10,000+ Clearwater contractors who trust AutoHVAC