Bloomington, MN Climate Specs + Top-Rated Window Installers
ENERGY STAR groups Hennepin County into its Northern zone, the U-factor and SHGC target worth checking against any quote you get in Bloomington. Below that spec discussion sit 10 installers, their order set by Google rating, since Bloomington is outside this site's window license file. A high rating is worth a look, not a finished decision.
Google Maps ratings checked · How we rank
6AIECC climate zone · ENERGY STAR Northern zone
What zone 6A means for a Bloomington window
Minneapolis-St. Paul-Bloomington, MN-WI runs a January average near 16°F and climbs to about 74°F by July, a swing that adds up to roughly 7,399 heating degree days most winters, with 830 on the summer cooling side of the ledger.
That load is the actual argument for paying up for a better U-factor in Bloomington, separate from anything a brochure claims.
Zone 6A's requirement is the floor; Bloomington's specific load is what tells you whether beating that floor is worth the extra cost.
Data: U.S. EPA / DOE, ENERGY STAR, ENERGY STAR Version 7.0 Climate Zones by County/ZIP (Windows, Doors, and Skylights) (V7.0); Pacific Northwest National Laboratory (DOE Building America), Guide to Determining Climate Zone by County: Building America and IECC 2021 Updates (PNNL-33270) (2021 IECC), from the nearest NOAA station 5.6 mi away.
Storm and weather risk around Bloomington
Hennepin County's hail risk sits at Very High and its wildfire risk at Relatively Low, according to FEMA's National Risk Index.
Hail risk matters for glass and screen durability in Bloomington; wildfire risk matters more for the frame material and nearby vegetation than for the glass itself.
Either way, it's a reasonable question to bring to a Bloomington installer before you settle on a product line.
- Strong wind
- Very High
- Winter weather
- Very High
Data: FEMA, National Risk Index for Natural Hazards - County-level table, v1.20 (v1.20, December 2025).
Guides to finish before Bloomington window bids come in
- How to Read an NFRC Window Label Four numbers on one sticker decide most of a window's real-world performance. Here's what each one means.
- ENERGY STAR Window Criteria by Climate Zone ENERGY STAR splits the country into four zones, each with its own numbers. Here they are, and why the Northern zone works backward from the other three.
- Impact Windows vs. Shutters in Florida's Hurricane Zones Florida gives homeowners two paths to a protected opening. Here's how each one is tested, and where the HVHZ raises the bar further.
10 top-rated window installers near Bloomington, MN
The order below weighs a Google rating against its review count, the same way this site weighs a U-factor against a brochure claim: on the number, not the name. Treat it as a rating, never as proof of a license, bond or HVHZ approval.
- Craftsmen Home Improvements, Inc.Google reviews
- Porch Windows DirectGoogle reviews
- WindowLabGoogle reviews
- Pro Exteriors LLCGoogle reviews
- Window Depot USA of Twin CitiesGoogle reviews
- Your Home Improvement Company - Windows & BathGoogle reviews
- Steve the Window GuyGoogle reviews
- Apex Energy Solutions - Window Replacement & Entry DoorsGoogle reviews
- Budget ExteriorsGoogle reviews
- SP Custom Carpentry and Windows, Inc.Google reviews