What is the average cost to replace an entry door in Broadwater County?

Entry door replacement in Broadwater County averages $1,500 for a fiberglass model, with prices ranging from $800 for basic options to $3,000 for premium doors with decorative glass or sidelights.

How much does sliding patio door replacement cost?

Sliding patio door replacement runs $1,500 to $4,500 in Broadwater County, with a typical installation averaging $2,800. Larger openings, multi-panel configurations, and premium hardware push costs toward the higher end.

Are storm doors worth installing in Montana?

Storm doors provide excellent value in Broadwater County's cold climate. At $300 to $800 installed, they create an insulating air buffer that reduces heat loss, especially given the county's 7,498 annual heating degree-days (more than double the national median).

What door material performs best in cold climates?

Fiberglass doors outperform wood and steel in Broadwater County's heating-dominated climate (IECC Zone 6B). They resist warping from temperature swings, offer superior insulation with polyurethane cores, and maintain their finish despite winter weather rated at 67.44 on the hazard index.

How long does exterior door installation take?

Entry door installation takes 3 to 5 hours at carpenter rates averaging $29.58 per hour. Sliding patio doors require 4 to 8 hours due to their larger size and more complex hardware systems.

Will a new exterior door lower my heating bills?

Yes. Upgrading to an Energy Star-certified door can reduce heating losses through that opening by 10-15%. With Montana electricity at $0.133/kWh and the county's extreme 7,498 HDD climate, annual savings of $200 to $300 are realistic for homes with older, drafty doors.

Do I need a fire-rated door in Broadwater County?

Fire-rated doors are optional but worth considering for properties near wooded areas. Broadwater County's wildfire risk scores 72.90 (Relatively Low), which is elevated compared to other hazards in the region like tornado (5.12) or hail (17.78).

REGIONAL COST GUIDE · Broadwater County, MT

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

Exterior door replacement in Broadwater County costs $800-$4,500. Entry doors average $1,500, patio doors $2,800. Get local pricing factors.

Cost range $800 – $3,000

Average $1,500

Updated May 17, 2026

Compare Free Exterior Door Replacement Quotes

COST BREAKDOWN

What homeowners in Broadwater 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 Broadwater County prices look like this.

With 7,498 heating degree-days annually, Broadwater County homes face more than double the national median heating demand of 3,700 HDD. This makes exterior door selection far more consequential here than in milder climates. A poorly insulated entry door can leak hundreds of dollars in heating costs each winter. Entry door replacement runs $800 to $3,000, with fiberglass models averaging $1,500. Sliding patio doors cost $1,500 to $4,500, averaging $2,800. Storm door installation adds $300 to $800 as a secondary barrier. The county's median home value of $364,800 (2.12x the national average) supports investing in higher-end door options that deliver both energy savings and curb appeal.

Labor Costs and Installation

Carpenter wages in Broadwater County align with the national average of $29.58 per hour ($61,533 annually). Installation labor for a standard entry door takes 3 to 5 hours, translating to $90 to $150 in labor costs alone. Sliding patio doors require 4 to 8 hours due to their size and hardware complexity. The 1x services adjustment means local pricing mirrors national benchmarks without regional markup. However, Broadwater County's rural location may add travel charges from contractors based in Helena or Bozeman. Most installers bundle labor into their quoted price rather than itemizing separately. Request a detailed breakdown to understand what portion covers materials versus workmanship.

Weather and Hazard Considerations

Broadwater County's overall hazard risk score of 17.68 ranks Very Low, though specific threats warrant attention. Wildfire risk scores 72.90 (Relatively Low), making fire-rated doors worth considering for properties near wooded areas. Winter weather scores 67.44 (Relatively Moderate), which affects door durability and weatherstripping longevity. Steel and fiberglass doors handle temperature swings better than wood, which can warp or crack. Lightning risk (73.38, Relatively Moderate) poses minimal direct concern for doors but underscores the value of proper grounding in any renovation. Tornado (5.12) and hail (17.78) risks remain Very Low, so impact-rated glass is optional rather than essential.

Climate Zone and Energy Performance

Broadwater County falls within IECC Climate Zone 6B, a cold, dry region requiring doors with strong thermal performance. The county logs 7,498 HDD annually, meaning homes here run furnaces roughly 103% more than the national median of 3,700 HDD. Cooling demand is minimal at just 434 CDD. This heating-dominated climate makes U-factor the most critical door specification. Look for entry doors with U-factors below 0.30 and patio doors below 0.35 to meet zone 6 energy code requirements. Weatherstripping quality matters equally, as cold air infiltration around door frames often exceeds losses through the door itself. Insulated cores (polyurethane over polystyrene) and thermal-break frames significantly reduce heat transfer.

Energy Costs and Savings Potential

Montana's residential electricity rate of $0.133 per kWh (February 2026) sits below the national average, though most Broadwater County homes rely on propane or natural gas for heating. Upgrading from a drafty door to an Energy Star-certified model can reduce heating losses through that opening by 10-15%. For a home spending $2,000 annually on heating, that translates to $200 to $300 in yearly savings, meaning a $1,500 entry door pays for itself within 5 to 8 years on energy savings alone. Storm doors add another insulating layer, creating a dead-air buffer that reduces convective heat loss. Pairing a storm door with a fiberglass entry door maximizes thermal performance in this cold climate.

Financing and Return on Investment

Current 30-year mortgage rates sit at 6.36% (as of May 14, 2026), making home equity lines a competitive financing option for door upgrades. With median home values at $364,800 and annual property taxes around $2,210, most Broadwater County homeowners have substantial equity available. Entry door replacement recovers roughly 75% of its cost at resale according to national remodeling surveys, one of the higher returns among exterior projects. A $1,500 fiberglass entry door might add $1,125 to sale price while improving daily comfort and reducing energy bills until then. Some contractors offer 12-month same-as-cash financing, avoiding interest entirely if paid within the promotional period. Federal energy efficiency tax credits may apply to qualifying insulated doors.

Move on this

Compare Exterior Door Replacement quotes in Broadwater 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 Broadwater County.

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

What is the average cost to replace an entry door in Broadwater County?

Entry door replacement in Broadwater County averages $1,500 for a fiberglass model, with prices ranging from $800 for basic options to $3,000 for premium doors with decorative glass or sidelights.
How much does sliding patio door replacement cost?

Sliding patio door replacement runs $1,500 to $4,500 in Broadwater County, with a typical installation averaging $2,800. Larger openings, multi-panel configurations, and premium hardware push costs toward the higher end.
Are storm doors worth installing in Montana?

Storm doors provide excellent value in Broadwater County's cold climate. At $300 to $800 installed, they create an insulating air buffer that reduces heat loss, especially given the county's 7,498 annual heating degree-days (more than double the national median).
What door material performs best in cold climates?

Fiberglass doors outperform wood and steel in Broadwater County's heating-dominated climate (IECC Zone 6B). They resist warping from temperature swings, offer superior insulation with polyurethane cores, and maintain their finish despite winter weather rated at 67.44 on the hazard index.
How long does exterior door installation take?

Entry door installation takes 3 to 5 hours at carpenter rates averaging $29.58 per hour. Sliding patio doors require 4 to 8 hours due to their larger size and more complex hardware systems.
Will a new exterior door lower my heating bills?

Yes. Upgrading to an Energy Star-certified door can reduce heating losses through that opening by 10-15%. With Montana electricity at $0.133/kWh and the county's extreme 7,498 HDD climate, annual savings of $200 to $300 are realistic for homes with older, drafty doors.
Do I need a fire-rated door in Broadwater County?

Fire-rated doors are optional but worth considering for properties near wooded areas. Broadwater County's wildfire risk scores 72.90 (Relatively Low), which is elevated compared to other hazards in the region like tornado (5.12) or hail (17.78).

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.