How long does exterior door replacement take in Big Horn County?

Most entry door replacements take 3 to 5 hours for a professional installer. Sliding patio doors require 6 to 10 hours due to additional track and weatherseal work. If structural modifications are needed, expect the project to extend to 1 to 2 days.

What type of door material is best for Big Horn County's climate?

Fiberglass and steel doors with insulated cores perform best in zone 6B climates like Big Horn County. With 7,498 heating degree-days annually (double the national median), thermal efficiency matters. Look for doors with U-factors below 0.30 and R-values above 6.

Should I choose a fire-rated door given the wildfire risk?

Big Horn County has a 94.85 wildfire risk score, rated as relatively moderate. Steel and fiberglass doors offer better fire resistance than wood. If your property borders wildland areas, consider a 20-minute fire-rated door for added protection.

How much can I save on heating by upgrading my exterior door?

Replacing an uninsulated door with an Energy Star certified model can reduce air infiltration by 30% to 50%. In Big Horn County's heating-dominated climate (7,498 HDD), this translates to noticeable savings on your winter heating bills at the local rate of $0.133 per kWh.

What's the price difference between entry doors and sliding patio doors?

Entry door replacement averages $1,500 in Big Horn County, while sliding patio doors average $2,800. The difference reflects the larger size, more complex track systems, and additional weathersealing required for patio door installations.

Are storm doors worth the investment in Montana?

Storm doors cost $300 to $800 installed and add a layer of protection against Big Horn County's severe winter weather (88.48 risk score). They reduce air infiltration and protect your primary door from the elements, extending its lifespan.

What financing options are available for door replacement?

With mortgage rates at 6.36% and median home values of $148,200 in Big Horn County, HELOCs and home equity loans are options. For smaller projects under $3,000, personal loans or manufacturer financing (sometimes 0% promotional rates) may be more practical.

REGIONAL COST GUIDE · Big Horn County, MT

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

Exterior door replacement in Big Horn County, MT costs $800-$4,500. Entry doors average $1,500, sliding patio doors $2,800. Get local pricing data.

Cost range $800 – $3,000

Average $1,500

Updated May 17, 2026

Compare Free Exterior Door Replacement Quotes

COST BREAKDOWN

What homeowners in Big Horn County actually pay.

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

Entry Door Replacement (fiberglass)

$800 Avg: $1,500 $3,000

Sliding Patio Door Replacement

$1,500 Avg: $2,800 $4,500

Storm Door Installation

$300 Avg: $500 $800

National avg $1,500 × 1x local adjustment = $1,500

Why Big Horn County prices look like this.

Carpenters across the country earn an average of $29.58 per hour, and Big Horn County door replacement projects align with this national baseline due to the area's 1x labor adjustment factor. Exterior door replacement here ranges from $300 for a basic storm door to $4,500 for a high-end sliding patio door installation. Entry-level fiberglass doors average $1,500, while sliding patio doors run closer to $2,800. The county's median home value of $148,200 sits at roughly 0.86x the national average, which can influence both material choices and contractor availability. With 7,498 heating degree-days annually (more than double the national median of 3,700), door selection and installation quality directly affect energy bills throughout Big Horn County's long winters.

Labor Costs for Door Installation

Professional door installers in Big Horn County draw from the national carpenter wage pool, with hourly rates averaging $29.58. Local wage data for this specific county was not available, so project costs reflect the national baseline. A standard entry door replacement requires 3 to 5 hours of labor, putting installation costs between $90 and $150 per door. Sliding patio doors demand more time (6 to 10 hours) due to track alignment and weathersealing requirements. Complex installations involving structural modifications, such as widening an existing doorway, can add $200 to $500 in carpentry fees. For the best results, request itemized quotes that separate materials from labor, allowing you to compare contractor pricing more accurately.

Weather and Hazard Considerations

Big Horn County faces elevated risks from wildfire (94.85 risk score), winter weather (88.48), and lightning (83.24) according to FEMA's National Risk Index. These hazards should guide your door material selection. Steel and fiberglass doors offer superior fire resistance compared to wood, an advantage worth considering given the area's relatively moderate wildfire rating. Winter weather concerns call for insulated cores and tight weatherstripping to prevent drafts during extended cold snaps. Lightning risk, while indirect, underscores the value of properly grounded metal door components and avoiding conductive materials in exposed locations. Hail and tornado risk remain low (51.84 and 12.05 respectively), so impact-rated glass is optional rather than essential in this region.

Climate Zone Impact on Door Selection

Big Horn County sits in IECC climate zone 6B, classified as cold and dry. The area records 7,498 heating degree-days annually, roughly 103% above the national median of 3,700 HDD. This heating-dominated climate means your exterior doors work overtime during winter months, making thermal performance a priority. Look for doors with U-factors of 0.30 or lower and R-values of 6 or higher. Fiberglass and steel doors with polyurethane foam cores outperform solid wood in this environment. Cooling demand remains minimal at just 434 cooling degree-days, so summer heat gain is a secondary concern. Proper weatherstripping installation prevents the infiltration losses that drive up heating bills in zone 6B climates.

Energy Efficiency and Utility Costs

Montana electricity costs $0.133 per kWh as of February 2026, slightly below the national residential average. While exterior doors consume no direct electricity, their thermal performance significantly impacts heating costs in Big Horn County's cold climate. Upgrading from an uninsulated door to a foam-core fiberglass model can reduce air infiltration by 30% to 50%, translating to measurable savings on winter heating bills. With 7,498 annual heating degree-days, even small efficiency gains compound over time. Energy Star certified doors must meet strict air leakage requirements (0.3 cfm per square foot maximum), making this certification a reliable benchmark. Solar gain through door glazing is minimal compared to windows, so low-E coatings are less critical unless you're installing a door with substantial glass panels.

Financing Your Door Replacement

With 30-year mortgage rates at 6.36% as of May 2026, financing a door replacement through a home equity loan or HELOC remains accessible for Big Horn County homeowners. The county's median home value of $148,200 and median property taxes of $1,482 per year provide a reasonable equity base for smaller improvement projects. Most exterior door replacements fall in the $1,500 to $3,000 range, making personal loans or credit card financing alternatives to tapping home equity. Some door manufacturers offer promotional 0% financing through retail partners, worth exploring before committing to interest-bearing options. Energy-efficient doors may qualify for federal tax credits or utility rebates, potentially offsetting 10% to 20% of the purchase price. Check with your installer about available incentives before finalizing your purchase.

Move on this

Compare Exterior Door Replacement quotes in Big Horn County, MT.

Tell us about your project — we'll match you with up to three licensed, insured pros nearby. Usually within 24 hours.

Get Free Quotes Free · No obligation

Find Local Exterior Door Replacement Providers Near You

Enter your ZIP to see rated exterior door replacement pros serving your area.

ZIP code

FREQUENTLY ASKED · 07

Questions buyers ask about exterior door replacement in Big Horn County.

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

How long does exterior door replacement take in Big Horn County?

Most entry door replacements take 3 to 5 hours for a professional installer. Sliding patio doors require 6 to 10 hours due to additional track and weatherseal work. If structural modifications are needed, expect the project to extend to 1 to 2 days.
What type of door material is best for Big Horn County's climate?

Fiberglass and steel doors with insulated cores perform best in zone 6B climates like Big Horn County. With 7,498 heating degree-days annually (double the national median), thermal efficiency matters. Look for doors with U-factors below 0.30 and R-values above 6.
Should I choose a fire-rated door given the wildfire risk?

Big Horn County has a 94.85 wildfire risk score, rated as relatively moderate. Steel and fiberglass doors offer better fire resistance than wood. If your property borders wildland areas, consider a 20-minute fire-rated door for added protection.
How much can I save on heating by upgrading my exterior door?

Replacing an uninsulated door with an Energy Star certified model can reduce air infiltration by 30% to 50%. In Big Horn County's heating-dominated climate (7,498 HDD), this translates to noticeable savings on your winter heating bills at the local rate of $0.133 per kWh.
What's the price difference between entry doors and sliding patio doors?

Entry door replacement averages $1,500 in Big Horn County, while sliding patio doors average $2,800. The difference reflects the larger size, more complex track systems, and additional weathersealing required for patio door installations.
Are storm doors worth the investment in Montana?

Storm doors cost $300 to $800 installed and add a layer of protection against Big Horn County's severe winter weather (88.48 risk score). They reduce air infiltration and protect your primary door from the elements, extending its lifespan.
What financing options are available for door replacement?

With mortgage rates at 6.36% and median home values of $148,200 in Big Horn County, HELOCs and home equity loans are options. For smaller projects under $3,000, personal loans or manufacturer financing (sometimes 0% promotional rates) may be more practical.

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.