Columbia Windows
How Much Are Old Windows
Costing You Every Month?
Costing You Every Month?
Answer 4 quick questions — get your personalized energy savings estimate in 60 seconds.
NFRC Certified
BBB Accredited
Lifetime Warranty
Your Home
Windows
Energy Bills
Results
Step 1 of 4
Tell us about your home
We’ll use this to calculate your heat loss and real savings potential.
What type of windows do you have now?
Not sure? Single-pane windows feel cold to touch in winter. Old double-pane may have foggy glass or visible condensation between panes.
What’s your average monthly energy bill?
Include your electricity and/or gas bill. This helps us calculate your exact dollar savings — not just a generic estimate.
$
/mo
$
/mo
💡 Did you know? Heat loss through windows accounts for 25–30% of your home’s heating & cooling energy use — that’s likely $40–$90/month going straight out the window.
What’s your average monthly energy bill?
Include your electricity and/or gas bill. This helps us calculate your exact dollar savings — not just a generic estimate.
Your estimated annual savings
$—
calculating…
95%
UV rays blocked (LoĒ³-366 glass)
+$8K
Avg. home value increase
Get $300 off your installation — sent to your email
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* Estimates based on DOE data for the Pacific Northwest (Vancouver WA / Portland OR climate zone 4C).
Actual savings vary by home, insulation, and usage. Free in-home assessment provides exact figures.
Your promo code is on its way!
Check your inbox — we’ve sent your personalized promo code along with a breakdown of your estimated savings. The code is valid for 30 days.
Your exclusive promo code
CW-SAVE300
Also sent to your email · Valid for 30 days · 1 home
No obligation
Free estimate
1-day installation