Cost to Replace Windows in Denver (2025 Guide)
Window replacement is one of the most impactful upgrades Denver homeowners can make for comfort and energy efficiency. Denver's altitude, UV intensity, and temperature extremes make window quality especially important.
Find Window Contractors in DenverKey Takeaways
- 1Average Denver window replacement: $400–$1,200 per window installed
- 2Full house replacement: $6,000–$18,000 for standard vinyl double-pane
- 3Low-E coating and argon fill are essential for Denver's climate
- 4Fiberglass frames outperform vinyl in Denver's temperature extremes
- 5Windows return 65–75% of cost at resale in Denver
Average Window Replacement Cost in Denver
Per window installed: $400–$1,200 for standard double-hung windows. Premium windows (triple-pane, fiberglass frames): $800–$2,500 per window.
Full house replacement (10–15 windows): $6,000–$18,000 for standard vinyl double-pane. Premium fiberglass or wood-clad: $15,000–$35,000+.
Most Denver homeowners replacing all windows spend $8,000–$15,000 for quality vinyl double-pane units.
Window Specs for Denver's Climate
Low-E coating: Essential for Denver. Reflects UV and infrared radiation, reducing summer heat gain and winter heat loss.
Gas fill: Argon or krypton between panes improves insulation — verify it's included.
U-factor: Denver's climate calls for 0.30 or lower.
SHGC: A balanced 0.25–0.35 works well for most Denver homes — captures some winter solar gain without overheating in summer.
Frame Material Comparison for Denver
Vinyl: Most popular in Denver. Low maintenance, handles temperature swings well. $400–$900/window installed.
Fiberglass: Superior in Denver's climate — minimal expansion/contraction, excellent insulation. $700–$1,500/window. Worth the premium.
Wood-clad: Beautiful but requires more maintenance. Denver's dry climate reduces rot risk. $900–$2,500/window.
Aluminum: Not recommended for Denver — poor thermal performance in cold winters.
Energy Savings and ROI in Denver
Replacing single-pane with quality double-pane Low-E windows typically reduces heating and cooling costs by 15–25% in Denver. Windows return approximately 65–75% of cost at resale. Xcel Energy offers rebates for qualifying energy-efficient windows.
Frequently Asked Questions
How many windows does an average Denver home have?
Most Denver single-family homes have 10–20 windows.
Do I need a permit to replace windows in Denver?
In-kind replacements generally do not require a permit. Enlarging openings or adding new windows requires a permit.
What window brands are best for Denver?
Andersen, Pella, Marvin, and Milgard all have strong reputations in Denver.
How long does window replacement take?
A full house replacement (10–15 windows) typically takes 1–3 days with a professional crew.
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