Windows & Doors

Window Replacement in Colorado

Q: One company quoted $350/window and another quoted $1,200/window. What am I actually getting?

The gap usually reflects glass package (double vs triple pane, low-E coating, gas fill), frame material (vinyl vs. fiberglass vs. wood), brand reputation, and installation quality. A $350 window may have a 1-year warranty; a $1,200 window may have a lifetime warranty. Ask for U-factor and SHGC ratings in writing — these are measurable performance specs.

Q: The installer cracked my window frame during installation. They said it 'happens sometimes.' Is this acceptable?

No. Cracked frames during installation indicate careless handling or incorrect installation technique. The installer should replace the frame at no charge to you — document the damage with photos before any 'repair' is attempted. 'It happens sometimes' is not an acceptable standard of workmanship.

Q: Do new windows actually pay for themselves in energy savings?

In most climates, the energy savings alone rarely cover the full replacement cost within a reasonable timeframe. The real value is in comfort, noise reduction, reduced condensation, and home value. If a salesperson shows you a payback calculation, ask for the assumptions — they're often optimistic. Choose windows for the comfort and durability, not purely ROI.

Q: My window installer is asking for 60% upfront on a $14,000 order. Is that reasonable?

For custom-ordered windows, a deposit covering the cost of materials (typically 40–50%) is industry standard. But never pay 100% upfront. A payment split of 50% at order, 50% on completion is fair. Get a written contract specifying the exact products being installed, installation timeline, and what happens if windows arrive damaged.

Q: How long does window replacement typically take per window?

Professional installers typically replace 8–12 windows per day. A whole-house replacement (15–20 windows) usually takes 1–2 days. If a company quotes significantly longer, ask why. You should expect to be home during installation for access and final walkthrough, but the disruption per window is usually 30–60 minutes.

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Service example showing Window Replacement — Service exampleWindow Replacement

Overview

Explore Window Replacement across Colorado and narrow the request to providers serving your city and ZIP code.

Window Replacement needs across Colorado vary by climate, housing type, local requirements, travel distance, and material or equipment availability. The launch directory prioritizes cities with at least 100,000 residents and counties with at least 50,000 residents, then evaluates ZIP pages using local population data.

When to act

When to request professional help

Prompt attention may be appropriate when a problem is active, creates a safety concern, prevents normal use, or could cause additional property damage.

Include these details in your request

The affected area and visible symptoms
Existing material or equipment
Preferred timing and access constraints

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Local project guide

Planning Window Replacement in Colorado

Project scope depends on the property, visible condition, access, materials, timing, and the exact work requested. Include the existing system or material, desired result, approximate size, and preferred schedule.

What to look for

Visible damage or declining performance
A recurring issue that prior work did not resolve
A planned installation, replacement, or inspection

What affects the scope

Property type and affected area
Existing materials or equipment
Access, timing, and desired outcome

Before requesting help

Photograph the affected area when helpful
Gather model, material, or age information
Describe the problem and preferred timing clearly

Micro-services

Windows & Doors services

5 types

Window Replacement

Window Repair

Exterior Door Replacement

Sliding Glass Door Installation

Storm Door Installation

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Key benefits

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Good to know

How windows & doors works

Tell us what you need and where the property is located. Agni can match your Windows & Doors request with available independent service providers in your area.

Next step

Choose a city or county in Colorado

122 options

Cities

Choose a city to continue to its ZIP codes and available neighborhoods.

Denver1,112,106 residents

Colorado Springs619,192 residents

Aurora469,746 residents

Littleton320,158 residents

Fort Collins202,303 residents

Pueblo162,916 residents

Longmont143,444 residents

Arvada138,483 residents

Thornton136,208 residents

Boulder128,938 residents

Greeley119,344 residents

Broomfield117,899 residents

Parker117,197 residents

Englewood115,178 residents

Grand Junction113,583 residents

Westminster113,479 residents

Brighton103,721 residents

Castle Rock103,609 residents

Loveland94,535 residents

Golden64,543 residents

Commerce City61,452 residents

Windsor46,456 residents

Durango40,010 residents

Erie39,048 residents

Montrose36,366 residents

Louisville34,127 residents

Peyton33,912 residents

Lafayette32,701 residents

Canon City32,292 residents

Fountain31,241 residents

Monument30,073 residents

Wheat Ridge26,485 residents

Evergreen24,610 residents

Lone Tree22,555 residents

Evans20,798 residents

Johnstown20,502 residents

Steamboat Springs18,525 residents

Berthoud18,271 residents

Sterling16,936 residents

Glenwood Springs16,844 residents

Fruita16,613 residents

Morrison16,582 residents

Fort Morgan16,226 residents

Alamosa15,550 residents

Elizabeth15,102 residents

Carbondale15,067 residents

Fort Lupton15,060 residents

Wellington14,325 residents

Delta14,256 residents

Cortez14,236 residents

Rifle14,083 residents

Henderson13,818 residents

Pagosa Springs13,091 residents

Clifton12,892 residents

Woodland Park12,329 residents

Craig12,307 residents

Trinidad11,842 residents

Gunnison10,971 residents

Counties

Choose a county to see every available city inside it.

El Paso County738,696 residents

Denver County725,116 residents

Arapahoe County605,473 residents

Jefferson County600,818 residents

Adams County550,721 residents

Weld County396,054 residents

Douglas County373,996 residents

Larimer County356,150 residents

Boulder County285,786 residents

Pueblo County169,167 residents

Mesa County157,719 residents

Broomfield County81,344 residents

La Plata County57,040 residents

Fremont County49,496 residents

Garfield County49,285 residents

Montrose County45,147 residents

Eagle County43,963 residents

Summit County31,352 residents

Clear Creek County30,275 residents

Delta County30,156 residents

Morgan County29,658 residents

Pitkin County29,012 residents

Teller County25,650 residents

Routt County25,112 residents

Elbert County24,574 residents

Montezuma County21,244 residents

Logan County20,884 residents

Rio Blanco County20,500 residents

Chaffee County20,244 residents

Otero County17,004 residents

Gunnison County16,527 residents

Alamosa County16,492 residents

Park County16,274 residents

Grand County15,547 residents

Las Animas County14,379 residents

Archuleta County13,501 residents

Moffat County13,220 residents

Prowers County11,340 residents

Rio Grande County11,158 residents

Yuma County9,858 residents

San Miguel County8,625 residents

Huerfano County8,487 residents

Dolores County7,757 residents

Lake County7,380 residents

Kit Carson County7,158 residents

Lincoln County6,914 residents

Saguache County6,884 residents

Bent County6,100 residents

Conejos County5,895 residents

Crowley County5,604 residents

Custer County5,287 residents

Gilpin County5,194 residents

Costilla County5,174 residents

Phillips County4,779 residents

Ouray County4,437 residents

Washington County4,288 residents

Baca County3,440 residents

Sedgwick County2,299 residents

Cheyenne County1,739 residents

Kiowa County1,386 residents

Jackson County1,372 residents

Hinsdale County912 residents

Mineral County727 residents

San Juan County651 residents

Common questions

Frequently asked questions in CO

My new windows are still drafty. Did the installer do something wrong?

Drafts from new windows almost always indicate improper sealing or installation — not a product defect. The exterior trim caulking, interior foam insulation, and weather stripping all need to be done correctly. Contact the installer in writing and ask them to do a blower door test or at minimum a smoke pencil test to identify where air is entering.

One company quoted $350/window and another quoted $1,200/window. What am I actually getting?

The installer cracked my window frame during installation. They said it 'happens sometimes.' Is this acceptable?

Do new windows actually pay for themselves in energy savings?

My window installer is asking for 60% upfront on a $14,000 order. Is that reasonable?

How long does window replacement typically take per window?

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Estimated range

$3,090–$3,940*

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50% toward your local quote

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* Prices shown are approximate estimates only. Final charges may vary based on property size, condition, materials, and an on-site assessment. See our terms & conditions.

Major cities

1,112,106 Denver
619,192 Colorado Springs
469,746 Aurora
320,158 Littleton
202,303 Fort Collins
162,916 Pueblo
155,984 Lakewood
143,444 Longmont

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