How much does it cost to replace a single window in Silver Bow County?

A single double-hung window replacement costs $300-$1,200, with an average of $700. This includes the window unit, installation labor at approximately $28.70 per hour, and disposal of the old window.

What type of windows work best in Silver Bow County's cold climate?

Windows with low U-factors (0.25 or below) perform best given the county's 7,498 annual heating degree-days. Triple-pane windows with Low-E coatings designed for cold climates offer optimal insulation for IECC zone 6B.

How long does a full-home window replacement take?

A single double-hung window takes 1-2 hours to install. A full-home project of 10 windows, costing $5,000-$15,000, requires 2-3 days depending on window types and any structural modifications needed for bay or bow windows.

Is winter weather a concern for windows in Silver Bow County?

Yes. Winter weather risk scores 92.43 (Relatively High) on FEMA's index, meaning windows must handle heavy snow, ice accumulation, and extreme temperature swings. Quality seals and proper installation are essential for this climate.

What is the payback period for energy-efficient windows in this area?

With electricity at $0.133/kWh and 7,498 annual heating degree-days creating high heating demand, ENERGY STAR windows can reduce heating costs by 12-15%. Payback periods range from 8-15 years depending on your heating source.

Should I replace all windows at once or do it gradually?

Full-home replacement ($5,000-$15,000 for 10 windows) is more cost-effective per window due to reduced setup costs. If budget is a constraint, prioritize north-facing or drafty windows first to address the biggest energy losses.

Do bay and bow windows cost more to install?

Yes. Bay and bow windows run $1,500-$4,000 compared to $300-$1,200 for standard double-hung windows. Installation takes 4-6 hours versus 1-2 hours due to structural considerations and the complexity of multi-panel assemblies.

REGIONAL COST GUIDE · Silver Bow County, MT

How Much Does Window Replacement Cost in Silver Bow County, MT?

Window replacement in Silver Bow County, MT averages $700 per window. Full-home projects run $5,000-$15,000. Local pricing and energy savings guide.

Cost range $300 – $1,200

Average $700

Updated May 17, 2026

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COST BREAKDOWN

What homeowners in Silver Bow 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 / Bow Window

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

National avg $700 × 1x local adjustment = $700

Why Silver Bow County prices look like this.

Winter weather scoring 92.43 on FEMA's risk index (Relatively High) combined with 7,498 annual heating degree-days makes window selection in Silver Bow County about far more than curb appeal. The county sits in IECC climate zone 6B, where cold, dry winters put significant stress on older single-pane or poorly sealed windows. Expect to pay $700 on average for a single double-hung window replacement, with full-home projects (10 windows) ranging from $5,000 to $15,000. The median home value of $223,500 means window upgrades represent a meaningful investment, but one that can pay dividends through reduced heating costs. Bay and bow windows, popular for bringing light into Montana's darker winter months, run $1,500 to $4,000 depending on size and glazing options. Because Silver Bow County labor costs align with national averages, pricing here stays competitive with what homeowners pay across the country.

Window Installation Labor Costs

Window installation labor in Silver Bow County aligns with national averages, as local glazier wage data is not available for this specific market. Nationally, glaziers earn approximately $28.70 per hour, translating to about $59,691 annually. Labor accounts for roughly 30-40% of a typical window replacement project, with the remainder covering materials, hardware, and disposal of old windows. Installation complexity affects labor hours: a straightforward double-hung replacement takes 1-2 hours per window, while bay or bow window installations may require 4-6 hours due to structural considerations. In a non-metro county like Silver Bow, contractor availability can vary seasonally. Scheduling projects for spring or fall often yields better availability and pricing. Request itemized quotes that separate labor from materials so you can compare bids accurately across contractors.

Weather and Hazard Considerations

Silver Bow County's overall hazard risk score of 38.04 places it in the Very Low category, though winter weather stands out at 92.43 (Relatively High). This elevated winter weather risk means windows must withstand heavy snow loads, ice accumulation, and freeze-thaw cycles that can compromise seals and frames. Thermal performance is paramount here, while impact-resistant glazing is less critical than in hail-prone regions (hail risk: 27.16, Very Low). Wildfire risk at 80.73 (Relatively Low) may warrant consideration of tempered glass in certain installations, particularly for homes bordering forested areas. Lightning risk sits at 61.90 (Relatively Moderate), making proper grounding of metal window frames a minor consideration. When selecting replacement windows, prioritize products rated for extreme temperature differentials rather than impact resistance.

Climate Zone and Insulation Requirements

Silver Bow County falls within IECC climate zone 6B, characterized by cold, dry conditions that demand high-performance windows. With 7,498 heating degree-days annually, homes here run heating systems roughly 103% more than the national median of 3,700 HDD. Cooling demand is minimal at just 434 CDD, placing this firmly in a heating-dominated climate. U-factor (insulation value) becomes the most critical window specification in this environment. Look for windows with U-factors of 0.25 or lower and consider triple-pane options for maximum energy retention. Low-E coatings optimized for cold climates (high solar heat gain coefficient) allow winter sun to help warm interiors while still blocking unwanted summer heat. Proper installation with continuous air sealing is equally important, as even high-performance windows underperform if frames allow cold air infiltration.

Energy Efficiency and Utility Savings

Montana's residential electricity rate of $0.133 per kWh (as of February 2026) makes energy-efficient windows a worthwhile investment. Upgrading from single-pane to ENERGY STAR-certified windows can reduce heating costs by 12-15% in heating-dominated climates like Silver Bow County. For homes heated primarily by electricity, this translates to meaningful annual savings given the county's 7,498 HDD. When budgeting for window replacement, factor in the payback period: higher-efficiency windows cost more upfront but deliver ongoing savings. The county's solar potential (4.66 kWh/m²/day peak sun hours) also makes south-facing windows with high solar heat gain an effective passive heating strategy, reducing reliance on mechanical heating during sunny winter days. Pairing window upgrades with weatherstripping and proper caulking maximizes your energy efficiency gains.

Financing Your Window Project

With current 30-year mortgage rates at 6.36% (as of May 2026), many Silver Bow County homeowners are exploring home improvement financing rather than cash-out refinancing. Home equity lines of credit, personal improvement loans, and contractor financing plans offer alternatives worth comparing. The county's median home value of $223,500 provides sufficient equity for most window replacement projects in the $5,000-$15,000 range. Some utility companies and state programs offer rebates for ENERGY STAR windows, particularly in cold-climate regions where energy savings are substantial. Federal tax credits may also apply to windows meeting specific efficiency thresholds. Given the non-metro status of Silver Bow County, check with local credit unions, which often offer competitive rates for home improvement loans compared to national banks.

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FREQUENTLY ASKED · 07

Questions buyers ask about window replacement in Silver Bow County.

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

How much does it cost to replace a single window in Silver Bow County?

A single double-hung window replacement costs $300-$1,200, with an average of $700. This includes the window unit, installation labor at approximately $28.70 per hour, and disposal of the old window.
What type of windows work best in Silver Bow County's cold climate?

Windows with low U-factors (0.25 or below) perform best given the county's 7,498 annual heating degree-days. Triple-pane windows with Low-E coatings designed for cold climates offer optimal insulation for IECC zone 6B.
How long does a full-home window replacement take?

A single double-hung window takes 1-2 hours to install. A full-home project of 10 windows, costing $5,000-$15,000, requires 2-3 days depending on window types and any structural modifications needed for bay or bow windows.
Is winter weather a concern for windows in Silver Bow County?

Yes. Winter weather risk scores 92.43 (Relatively High) on FEMA's index, meaning windows must handle heavy snow, ice accumulation, and extreme temperature swings. Quality seals and proper installation are essential for this climate.
What is the payback period for energy-efficient windows in this area?

With electricity at $0.133/kWh and 7,498 annual heating degree-days creating high heating demand, ENERGY STAR windows can reduce heating costs by 12-15%. Payback periods range from 8-15 years depending on your heating source.
Should I replace all windows at once or do it gradually?

Full-home replacement ($5,000-$15,000 for 10 windows) is more cost-effective per window due to reduced setup costs. If budget is a constraint, prioritize north-facing or drafty windows first to address the biggest energy losses.
Do bay and bow windows cost more to install?

Yes. Bay and bow windows run $1,500-$4,000 compared to $300-$1,200 for standard double-hung windows. Installation takes 4-6 hours versus 1-2 hours due to structural considerations and the complexity of multi-panel assemblies.

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.