Window Energy Star Ratings & Standards
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Window Energy Star Ratings & Standards
Understanding U-Factor vs R-Value for Windows (Energy Geek Talk), What Makes a Window Energy Star Certified? (Requirements Explained), SHGC and Low-E: Balancing Solar Gain vs Heat Loss in Your Climate, Energy Star Climate Zones: Choosing Windows for Northern vs Southern Homes, Are…
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27 discussionsTrying to figure out window insulation ratings - anyone else confused?
Last weekend, my husband and I decided it was finally time to replace the windows in our old house. They're drafty as heck, and our heating bills have…
Lower U-Factor or Lower SHGC: Which Glass Package Fits Your Climate?
I’m comparing two glass packages within the same replacement-window line, and I’m unsure which NFRC rating deserves priority. The lower-U-factor option is listed at: - U-factor: 0.25 -…
Finding the sweet spot: picking window coatings for both sun and cold
Here’s how I tackled this: First, I checked my climate zone (I’m in the Midwest, lots of sun but brutal winters). I picked windows with a moderate SHGC…
Triple-pane windows vs. adding storm windows for code upgrades—what’s the better move?
Has anyone else run into this? Local codes just changed here and apparently my old double-pane windows aren’t cutting it anymore for a reno I’m planning. The inspector…
WINDOW WARS: WHICH PANES WOULD YOU PICK FOR A HAUNTED HOUSE?
Picture this: you inherit a creaky old Victorian that everyone swears is haunted (probably just drafty, but who knows). You’ve got to replace the windows, and your weird…
Finally figured out how to actually read those window labels
Last summer, I spent way too long staring at those NFRC labels at Home Depot, trying to figure out what any of it meant. Ended up finding this…
Trying To Make Sense Of Window Ratings—Where Do You All Look?
I got stuck in a rabbit hole comparing new windows for our old (drafty) place. Those NFRC labels are everywhere, but honestly, half the numbers just confused me.…
WHY IS WINDOW ENERGY EFFICIENCY SO CONFUSING? U-FACTOR VS R-VALUE RANT
Trying to pick new windows and I keep getting stuck on this U-factor vs R-value thing. Like, why can’t they just use one system? I get that lower…
Finally upgraded my drafty windows—worth it?
Just swapped out the last of my ancient single-panes for windows that actually made the Energy Star list this year. Noticed my living room’s way less chilly, and…
Would You Gamble On Cheaper Windows To Save Upfront Cash?
Imagine you’re renovating a place and the windows are shot - like, drafty, won’t close right, condensation city. You get two quotes: one for fancy Energy Star windows…
