Union Hill-Novelty Hill's Climate Data and Its Top-Rated Window Pros
Union Hill-Novelty Hill sits in IECC climate zone 4C, which sets the energy-performance bar here no matter who ends up installing your windows. A window license file doesn't cover Union Hill-Novelty Hill on this site, so Google Maps supplies the 10 ranked names you see below. Checked October 2026.
Google Maps ratings checked · How we rank
4CIECC climate zone · ENERGY STAR Northern zone
What zone 4C means for a Union Hill-Novelty Hill window
Union Hill-Novelty Hill falls in IECC climate zone 4C, and ENERGY STAR separately groups King County into its Northern zone for window certification.
Those two numbers, not the brand on the box, set the U-factor and SHGC worth checking on any quote you get in Union Hill-Novelty Hill.
A Seattle-Tacoma-Bellevue, WA contractor who can't name either one on request is worth a second question before you sign.
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 10.9 mi away.
Storm and weather risk around Union Hill-Novelty Hill
King County's hail risk sits at Very Low and its wildfire risk at Relatively Low, according to FEMA's National Risk Index.
Hail risk matters for glass and screen durability in Union Hill-Novelty Hill; 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 Union Hill-Novelty Hill installer before you settle on a product line.
- Strong wind
- Very Low
- Winter weather
- Relatively High
Data: FEMA, National Risk Index for Natural Hazards - County-level table, v1.20 (v1.20, December 2025).
Guides to finish before Union Hill-Novelty Hill 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 Union Hill-Novelty Hill, WA
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.
- Protech Auto GlassGoogle reviews
- Discount Glass and Windows, IncGoogle reviews
- NOVUS Glass of RedmondGoogle reviews
- Sound View Window & Door IncGoogle reviews
- 7Glass, LLCGoogle reviews
- Modern Exterior Solutions LLCGoogle reviews
- Landmark Roofing & SidingGoogle reviews
- Elite Glass, Windows & Doors (Featuring Milgard, Ply Gem and Codel Doors)Google reviews
- TruSeal WindowsGoogle reviews
- The Glass GuruGoogle reviews