How much does it cost to replace all windows in a house in Big Horn County?

A full-home window replacement (10 windows) costs between $5,000 and $15,000 in Big Horn County, with most projects averaging $8,500. Costs vary based on window style, frame material, and glass options like triple-pane or low-E coatings.

Why are energy-efficient windows especially valuable in Big Horn County?

Big Horn County experiences 7,498 heating degree-days annually, more than double the national median of 3,700 HDD. This extreme heating demand means windows with strong insulation (low U-factor) can reduce heating costs by 25-30%, saving $600-$720 per year on a typical heating bill.

What type of windows work best for Montana's IECC Zone 6B climate?

Triple-pane windows with low-E coatings and argon or krypton gas fill perform best in Zone 6B. Look for U-factors of 0.25 or lower. The dry climate (moisture regime B) reduces condensation concerns, but quality weatherstripping remains essential for blocking winter drafts.

How much does labor add to window replacement costs?

Labor accounts for 30-40% of total project costs. With glaziers earning an average of $28.70 per hour nationally, expect $150-$350 in labor per standard window. Bay and bow windows cost $400-$800 in labor due to structural modifications and longer installation times.

Do Big Horn County weather hazards affect window selection?

Yes. The county's winter weather risk score of 88.48 (Relatively High) makes thermal performance essential. Wildfire risk scores 94.85 (Relatively Moderate), so homes near vegetation should consider tempered glass. Hail risk is relatively low at 51.84, reducing the need for impact-resistant glass.

What financing options exist for window replacement?

Many manufacturers offer 12-24 month zero-interest financing, making an $8,500 project cost $350-$700 monthly. With current mortgage rates at 6.36%, dedicated home improvement loans often beat cash-out refinancing. Federal and Montana energy efficiency tax credits may offset 10-30% of qualifying window costs.

How long do new windows take to pay for themselves in energy savings?

In Big Horn County's heating-dominated climate, Energy Star windows replacing single-pane units can achieve payback in 8-12 years through energy savings. Montana's electricity rate of $0.133/kWh is below average, but the 7,498 annual heating degree-days create substantial savings opportunities.

REGIONAL COST GUIDE · Big Horn County, MT

How Much Does Window Replacement Cost in Big Horn County, MT?

Window replacement in Big Horn County, MT costs $300-$1,200 per window. Full home projects average $8,500 for 10 windows.

Cost range $300 – $1,200

Average $700

Updated May 17, 2026

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COST BREAKDOWN

What homeowners in Big Horn County actually pay.

Local market ranges built from regional labor, materials, and permitting data — not national averages.

Single Window (Double-Hung)

$300 Avg: $700 $1,200

Full Home (10 Windows)

$5,000 Avg: $8,500 $15,000

Bay or Bow Window

$1,500 Avg: $2,500 $4,000

National avg $300-$1,200 × 1x local adjustment = $300-$1,200

Why Big Horn County prices look like this.

Upgrading to triple-pane windows can cut heating bills by 15-25% in Big Horn County, where homes face 7,498 heating degree-days annually (more than double the national median of 3,700). Window replacement here runs $300 to $1,200 per unit for standard double-hung styles, with full-home projects averaging $8,500 for 10 windows. The county's heating-dominated climate in IECC Zone 6B makes energy-efficient glazing a smart investment. With median home values at $148,200 and property taxes around $1,482 per year, window upgrades offer solid return on investment through lower energy costs and improved comfort during Montana's long winters.

Labor Costs for Window Installation

Window installation labor accounts for roughly 30-40% of total project costs. Glaziers nationally earn an average of $28.70 per hour ($59,691 annually), which translates to $150-$350 in labor per window depending on complexity. Bay and bow windows require more installation time due to structural modifications, pushing labor costs to $400-$800 per unit. Rural counties like Big Horn may see slightly higher trip charges from contractors traveling from Billings or other population centers. Expect installation of a standard double-hung window to take 2-4 hours, while full-home projects spanning 10 windows require 3-5 days of work. Getting multiple quotes remains the best way to ensure competitive pricing.

Weather Risks That Affect Window Longevity

Big Horn County faces a unique combination of weather hazards that influence window selection. Winter weather scores 88.48 (Relatively High), making thermal performance and weatherstripping quality essential. The county also sees elevated wildfire risk at 94.85 (Relatively Moderate), which suggests considering tempered glass for windows facing vegetation. Lightning risk scores 83.24 (Relatively High), though this affects electrical systems more than windows directly. Hail risk remains relatively low at 51.84, reducing the urgency for impact-resistant glass compared to eastern Montana counties. Tornado and ice storm risks score below 13, presenting minimal concern for window damage from these sources.

Climate Considerations for Window Selection

Big Horn County sits in IECC Climate Zone 6B, a cold, dry region where heating dominates energy expenses. With 7,498 heating degree-days annually, local homes run furnaces roughly 103% more than the national median of 3,700 HDD. Cooling demand remains minimal at just 434 CDD per year. This heating-dominated profile means U-factor (insulation value) matters far more than solar heat gain coefficient when selecting windows. Triple-pane windows with low-E coatings and argon gas fill deliver the best performance for Zone 6B conditions. The dry climate (moisture regime B) reduces condensation concerns compared to humid cold regions, though quality weatherstripping remains essential for preventing drafts during subzero stretches.

Energy Savings from New Windows

Montana's residential electricity rate of $0.133 per kWh (as of February 2026) sits below the national average, though heating costs still dominate household budgets in Big Horn County. Replacing single-pane windows with Energy Star certified units can reduce heating energy loss through windows by 25-30%. For a home spending $2,400 annually on heating, that translates to $600-$720 in yearly savings. The county receives 4.75 peak sun hours daily, making south-facing windows an opportunity to capture passive solar heat during winter months. Homes with 10 new double-pane low-E windows can expect payback periods of 8-12 years through energy savings alone, faster if utility rates increase.

Financing Your Window Project

A full-home window replacement averaging $8,500 represents a significant investment for Big Horn County homeowners, where median home values sit at $148,200. Current mortgage rates of 6.36% (as of May 2026) make cash-out refinancing less attractive than dedicated home improvement loans. Many window manufacturers offer 12-24 month zero-interest financing for qualified buyers, spreading a 10-window project to roughly $350-$700 monthly. The county's cost of living (0.86x the national average for housing) means more disposable income for home improvements compared to pricier markets. Energy efficiency tax credits may offset 10-30% of qualifying window costs, so check current federal and Montana incentives before signing contracts.

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FREQUENTLY ASKED · 07

Questions buyers ask about window replacement in Big Horn County.

Short answers to the most common things we hear about local pricing, scope, and timing.

How much does it cost to replace all windows in a house in Big Horn County?

A full-home window replacement (10 windows) costs between $5,000 and $15,000 in Big Horn County, with most projects averaging $8,500. Costs vary based on window style, frame material, and glass options like triple-pane or low-E coatings.
Why are energy-efficient windows especially valuable in Big Horn County?

Big Horn County experiences 7,498 heating degree-days annually, more than double the national median of 3,700 HDD. This extreme heating demand means windows with strong insulation (low U-factor) can reduce heating costs by 25-30%, saving $600-$720 per year on a typical heating bill.
What type of windows work best for Montana's IECC Zone 6B climate?

Triple-pane windows with low-E coatings and argon or krypton gas fill perform best in Zone 6B. Look for U-factors of 0.25 or lower. The dry climate (moisture regime B) reduces condensation concerns, but quality weatherstripping remains essential for blocking winter drafts.
How much does labor add to window replacement costs?

Labor accounts for 30-40% of total project costs. With glaziers earning an average of $28.70 per hour nationally, expect $150-$350 in labor per standard window. Bay and bow windows cost $400-$800 in labor due to structural modifications and longer installation times.
Do Big Horn County weather hazards affect window selection?

Yes. The county's winter weather risk score of 88.48 (Relatively High) makes thermal performance essential. Wildfire risk scores 94.85 (Relatively Moderate), so homes near vegetation should consider tempered glass. Hail risk is relatively low at 51.84, reducing the need for impact-resistant glass.
What financing options exist for window replacement?

Many manufacturers offer 12-24 month zero-interest financing, making an $8,500 project cost $350-$700 monthly. With current mortgage rates at 6.36%, dedicated home improvement loans often beat cash-out refinancing. Federal and Montana energy efficiency tax credits may offset 10-30% of qualifying window costs.
How long do new windows take to pay for themselves in energy savings?

In Big Horn County's heating-dominated climate, Energy Star windows replacing single-pane units can achieve payback in 8-12 years through energy savings. Montana's electricity rate of $0.133/kWh is below average, but the 7,498 annual heating degree-days create substantial savings opportunities.

SOURCES · 08

How these numbers were built.

Cost estimates are derived from government data including the U.S. Census Bureau (ACS), Bureau of Labor Statistics (OEWS), FEMA National Risk Index, EIA energy data, IECC climate zone classifications, Federal Reserve (FRED), and HUD Fair Market Rents.