Do Cellular Shades Improve Energy Efficiency?

The Blind Guy of Missoula • August 31, 2026

Winters in the Bitterroot Valley put a real demand on your heating bill, and summer afternoon sun through a west-facing window can do the same to your air conditioning. Cellular shades are among the few window treatments designed to address both problems at once. Here's how they work, which cellular shades we carry, and where they make the biggest difference in a home in Florence or Missoula.

Hunter Douglas Duette® Cellular Shades covering a window.

How Cellular Shades Trap Air and Hold Temperature

Cellular shades are sometimes called honeycomb shades because of the shape of the fabric cells inside them. Those cells hold pockets of air at the window, slowing down the heat that moves in during summer and the indoor warmth that moves out during winter. That extra layer can help a room maintain a steadier temperature, which is useful in Missoula, where the weather changes so much from one season to the next. 

It may also help reduce how often your heating or cooling system runs. Since the shades are measured for each window, the finished fit is closer than you’d typically get with a stock treatment.

Hunter Douglas Duette® Cellular Shades

Hunter Douglas Duette® Cellular Shades are the brand's flagship cellular product, available in both single-cell and double-cell constructions, depending on how much insulating power a room needs. Fabric options range from sheer, light-filtering weaves for living areas to dense, room-darkening fabrics for bedrooms, so the energy performance doesn't come at the cost of the light control you want.

Duette® Cellular Shades also pair with Hunter Douglas motorization and app controls, which let you schedule shades to close automatically before a west-facing room starts heating up in the afternoon.

Alta® Honeycomb Cellular Shades

Alta® Honeycomb Cellular Shades use the same trapped-air design with crisp, structured lines and a large fabric selection. Because the cell structure is consistent across the line, you get a dependable insulating layer whether you choose a lighter fabric for a sunroom or a heavier one for a north-facing bedroom that gets cold in January.

Alta®'s pricing also makes it a practical option for outfitting several rooms with cellular shades for windows without stretching the budget on every opening in the house.

Graber® Cellular Shades

Graber® offers both single- and double-cell shades, so the amount of insulation can be matched to the window instead of using the same construction throughout the house. The cells keep a clean, even shape when the shade is lowered, and the narrower profiles don’t overpower a small window. It’s a good fit for homeowners who want the practical benefit of a honeycomb shade but prefer a slimmer, more structured look.

Where Cellular Shades Make the Biggest Difference

The first windows we look at are usually the ones causing the most trouble: large west-facing glass that overheats a living room, drafty bedroom windows, or older single-pane windows in a Missoula or Florence home.

Cellular shades can make those rooms feel more comfortable, but the measurements need to be accurate. A shade fitted closely inside the frame leaves less open space along the edges for heat to pass around it. Even when privacy or light control is the main goal, that extra insulation can reduce heat loss in winter and heat gain during summer.

The Everyday Benefits of Cellular Shades

Beyond the energy savings, cellular shades offer a handful of practical perks that homeowners notice right away:

  • Less outside noise: The honeycomb cells help soften traffic noise, making them useful for homes near busy streets or highways.
  • Flexible light control: Choose light-filtering fabric for softer daylight or room-darkening fabric for more privacy and less glare.
  • A neat appearance: Cellular shades keep their shape whether they’re fully raised, lowered, or positioned partway down the window.

Custom Cellular Shades for Bitterroot Valley Homes

If you're dealing with a room that's too hot in July or too drafty in January, custom cellular shades are one of the more practical upgrades you can make to a window. We carry Hunter Douglas Duette® Cellular Shades, Alta® Cellular Shades, and Graber® Cellular Shades, and every shade we sell is measured and installed by our own team. 

We're based in Florence and serve Missoula and the greater Bitterroot Valley, including Stevensville, Victor, Hamilton, Philipsburg, St. Ignatius, St. Regis, Superior, Plains, Drummond, and Darby, Montana. Schedule a free in-home consultation and we'll help you find the right cellular shades near Missoula, MT for the rooms that need them most.

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