Triple-pane thermal stack
Replace the leaks. Keep the quiet.
ZenithPane Thermal Series pairs precision-fit residential replacement windows with a triple-pane glass pack engineered for high-efficiency performance—so drafts, noise, and “why is this room always wrong?” feel less like part of daily life.
Triple-pane stack
Low-E coatings + argon gaps (varies by climate package).
Install-first workflow
Measure → build → verify fit—before the seal goes in.
18k+
Openings measured
92%
Would recommend install
36
Climate packages
A+
Support response time
Mara L.
Cleveland, OH
“The living room finally holds temperature. We still run the heat, but it doesn’t feel like the windows are arguing with the thermostat.”
Evelyn R.
Portland, OR
“Street noise used to be the soundtrack. It’s not gone, but it’s… muffled. Night shift sleep got easier.”
James H.
Austin, TX
“The crew treated it like a system—not a rush job. Measurements were tight.”
If your windows are “fine,” why does one room always feel wrong?
Aging assemblies leak comfort through air movement, radiant heat transfer, and weak acoustic damping. You can crank the HVAC and still feel the house fighting itself.
Drafts & hotspots
Air leaks and uneven glazing performance create pockets that never stabilize.
Noise creep
Thin glass doesn’t “block” life outside—it lets it into your evenings.
Paying twice
The wrong window + sloppy install wastes money. You pay for product and still lose comfort.
Built like a thermal system—installed like a craft.
ZenithPane Thermal Series combines a high-performance glazing stack with a process designed to reduce the “almost fits” problems that undermine efficiency.
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Triple-pane glass pack
Multiple low-emissivity surfaces and argon-filled gaps help support thermal performance in typical residential conditions.
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Warm-edge spacer technology
Designed to reduce thermal bridging at the perimeter where performance often hides.
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Measured openings
Manufacturing aligns to your house—not a generic rough opening guess.
What “efficiency” means here
We talk about performance in terms homeowners can use: comfort, noise, and responsible energy use. Your actual savings depend on climate, home details, and HVAC behavior.
Choose a bundle. Lock your build.
Pricing shown for standard openings—bay/bow and specialty shapes may adjust after measurement.
Starter
$2,649
3 standard openings
- Thermal Series glass pack
- Virtual measure + scheduling
- 10-year glass limited warranty
Whole-floor upgrade
$6,299
8 standard openings
- Everything in Starter
- Priority install window
- Free sill trim upgrade
Whole home
$10,499
15 standard openings
- Dedicated project manager
- Staggered install schedule
- Extended hardware coverage
MSRP shown for comparison only. Actual charges confirmed at checkout.
Questions homeowners actually ask
Will this replace my bills?
Energy bills depend on many factors—climate, insulation, HVAC maintenance, and usage. High-performance windows can help support a more efficient home, but we do not guarantee a specific dollar amount or percentage.
How long does installation take?
Most projects are staged across one to three days depending on opening count, interior protection needs, and weather.
What if my openings aren’t “standard”?
Measurement confirms pricing. Specialty shapes—circles, bays, oversized openings—may require an adjusted quote.
Complete your order
Secure checkout — your project coordinator follows up within one business day.
Order summary
Tax may be estimated at submission based on your location.