Lincoln, Nebraska HVAC Climate Zone

Lincoln is located in IECC Climate Zone 4A (Mixed - Humid). Get accurate Manual J load calculations with official design temperatures for Lincoln.

Climate Zone
4A
Winter Design
13°F
Summer Design
91°F
ZIP Codes
26

Lincoln HVAC Contractors: Get Your Free Manual J Report

Climate Zone 4A requires precise load calculations. Upload your Lincoln blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with Lincoln's exact design temperatures (13°F winter / 91°F summer).

Claim Free Report
No credit card required

Verify Your Lincoln ZIP Code

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

Lincoln covers 26 ZIP codes: 68501, 68502, 68503, 68504, 68505, 68506, 68507, 68508, 68510, 68512 and 16 more

Lincoln Design Temperatures

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

Winter 99% Design Temp
13°F
Summer 1% Design Temp
91°F
Summer Wet Bulb
75°F

IECC Requirements for Zone 4A

Minimum insulation and window requirements for Lincoln per IECC 2021.

Wall Insulation:R-20
Roof/Ceiling:R-49
Floor Insulation:R-19
Window U-Factor:0.32
Window SHGC:0.4

Energy Code: 2021 IECC

Recommended HVAC Equipment for Lincoln

Heating Systems

Gas furnace (90%+ AFUE)
Heat pump
Typical AFUE
92-96%

Cooling Systems

AC (14-16 SEER)
Heat pump
Typical SEER
14-16 SEER

Get Free Manual J Calculations for Lincoln

Upload your Lincoln blueprint and get a professional Manual J load calculation using official Zone 4A design temperatures. First report is FREE.

Lincoln design temps
Zone 4A compliant
Ready in 60 seconds
Upload Blueprint → Get Free Report

Join 10,000+ Lincoln contractors who trust AutoHVAC