Kaiminani, HI Climate Specs + Top-Rated Window Installers
Local risk and climate data for Kaiminani, HI sit below, translated into plain terms for a window buyer rather than left as raw codes. 5 installers follow that data instead of a license roster, their rank built from Google's star rating and how many people left one. Checked October 2026.
Google Maps ratings checked · How we rank
1AIECC climate zone · ENERGY STAR Southern zone
Kaiminani's climate zone, in plain terms
Hilo-Kailua, HI runs a January average near 75°F and climbs to about 81°F by July, a swing that adds up to roughly 0 heating degree days most winters, with 4,838 on the summer cooling side of the ledger.
That load is the actual argument for paying up for a better U-factor in Kaiminani, separate from anything a brochure claims.
Zone 1A's requirement is the floor; Kaiminani'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 3.4 mi away.
What FEMA's risk data says about Kaiminani
FEMA scores Hawaii County's winter-weather risk as Very Low and its flood risk as Relatively High.
Winter risk in Kaiminani weighs on U-factor and condensation resistance; flood risk weighs more on sill height and drainage detailing than on the glass package.
Treat these as two separate conversations with a Kaiminani contractor, not one.
- Hurricane
- Relatively Low
- Strong wind
- Very Low
- Winter weather
- Very Low
Data: FEMA, National Risk Index for Natural Hazards - County-level table, v1.20 (v1.20, December 2025).
Guides to finish before Kaiminani 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.
Kaiminani's top-rated window installers, by Google
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.
- Kona Glass HawaiiGoogle reviews
- ABC Supply Co. Inc.Google reviews
- West Hawaii GlassGoogle reviews
- Westside Glaziers IncGoogle reviews
- Reflections Glass HawaiiGoogle reviews