Climate ZonesIowaJones

What Climate Zone is Jones, Iowa?

Jones is in IECC Climate Zone 5A (Cool - Humid). Get accurate Manual J load calculations with official design temperatures for Jones.

Climate Zone
5A
Winter Design
0°F
Summer Design
91°F
ZIP Codes
10

Jones HVAC Contractors: Get Your Free Manual J Report

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Verify Your Jones ZIP Code

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

Jones covers 10 ZIP codes: 52205, 52212, 52305, 52310, 52312, 52320, 52321, 52323, 52362, 52252

Jones Design Temperatures

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

Winter 99% Design Temp
0°F
Summer 1% Design Temp
91°F
Summer Wet Bulb
75°F

IECC Requirements for Zone 5A

Minimum insulation and window requirements for Jones 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 Jones

Heating Systems

Gas furnace (95%+ AFUE)
Boiler
Heat pump (cold climate)
Typical AFUE
95-98%

Cooling Systems

AC (13-16 SEER)
Heat pump
Typical SEER
13-16 SEER

Related Climate Zone Pages

Learn More About
Climate Zone 5A
View All Zones in
Iowa
HVAC Permits for
Jones, Iowa

Get Free Manual J Calculations for Jones

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

Jones design temps
Zone 5A compliant
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