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Windows, doors & energy guide
Interior, Exterior & Garage Doors: how to choose
Compare interior, entry, patio, and garage doors by purpose, material, fit, security, weather performance, and installation needs.
Lifespan, DIY and permitsDIY: moderate; simple interior slabs may suit14 brands9 cost linesUpdated Nov 2026
Decide these first
- Is this an interior, exterior, patio, or garage opening?
- Can the new door fit the existing frame and rough opening?
- Do you prioritize privacy, sound control, security, or daylight?
- Which material and maintenance level suit your climate and budget?
- For a garage, do you need insulation, an opener, or impact protection?
Specs that actually matter
TermWhat it meansLook for
Slab vs. prehungA slab is the door panel; a prehung unit includes a frame and hinges.Choose based on frame condition, opening fit, and installation scope.
Door materialSteel, fiberglass, wood, and composite trade off appearance, upkeep, cost, and insulation.Match exposure, maintenance, security, and style to the door's location.
U-factor and glazingFor glazed exterior doors, NFRC U-factor rates heat transfer; ENERGY STAR criteria depend on climate and glass area.Compare the label and climate-zone qualification for the exact door.
Garage-door R-valueA manufacturer's rating describing the garage door's insulation capacity.Compare insulated assemblies if the garage adjoins living space or is used often.
Garage operator safetyAutomatic operators need entrapment protection and correctly working sensors.Confirm compliant operator, photoelectric sensors, and tested reversal behavior.
Good, better, best
Good
A standard interior door or basic exterior unit sized to reuse a sound existing frame.
$363–$1,242 installed for an interior door
Better
A prehung or insulated fiberglass or steel exterior door with upgraded weather sealing and hardware.
$547–$2,374 installed for an exterior door
Best
A custom entry or multi-panel patio door, or an insulated garage door with professionally fitted hardware.
$1,200–$5,500 installed for common patio door styles
What it costs
| Item | Unit | Typical US range | Source |
|---|---|---|---|
| Interior door installation Installed national range; style, material, and opening complexity affect the total. | door | $363 to $1,242 | Angi (2026) |
| Prehung interior door installation Installed range; door material and frame work affect cost. | door | $450 to $1,000 | Angi (2026) |
| Exterior door installation Installed national range; custom styles and frame work can cost more. | door | $547 to $2,374 | Angi (2026) |
| Sliding patio door installation Installed range; size, panels, glass, and frame material affect price. | door | $1,200 to $4,000 | HomeGuide (2025) |
| Exterior French patio door installation Installed range for exterior French doors. | door | $1,300 to $5,500 | HomeGuide (2025) |
| Garage door replacement Installed range; door size, material, and installation complexity affect total. | door | $754 to $1,707 | Angi (2026) |
| Garage door opener installation Installed opener cost; model and features affect price. | each | $300 to $900 | HomeGuide (2025) |
| Storm door installation Installed range for exterior storm doors. | door | $175 to $1,100 | Angi (2026) |
| Pocket door installation Professional installation range; wall construction and framing affect labor. | door | $800 to $2,500 | Angi (2026) |
Calculators
Door rough opening calculator
Rough opening for a prehung door.
Results
Major brands and where to buy
Links go to each manufacturer. Tier is a rough price position, not a quality score.
MasoniteInterior and exterior residential doorsValueJELD-WENInterior, exterior, and patio doorsValueSimpson DoorCustom wood doorsPremiumTherma-TruFiberglass and steel entry doorsMidPellaEntry, patio, and storm doorsPremiumAndersenPatio doors and exterior systemsPremiumProViaCustom entry, patio, and storm doorsPremiumClopayResidential garage doorsMidAmarrResidential and commercial garage doorsMidWayne DaltonGarage doors and door systemsValueHaas DoorResidential garage doorsMidHörmannGarage and entry door systemsPremiumTruStileCustom interior doorsPremiumSteves & SonsMolded, wood, steel, and fiberglass doorsValue
Retailers
Pitfalls to avoid
- Ordering a slab before verifying the opening, jamb, handing, and swing direction.
- Underestimating reframing, removal, disposal, trim, hardware, or finishing costs.
- Choosing an exterior door without checking weather exposure, glass, and climate performance.
- Ignoring garage insulation when the garage shares a wall with living space.
- Attempting to adjust high-tension garage springs or bypass operator safety sensors.
What is trending
- Experts report growing interest in flush-threshold multi-slide patio doors.
- Fiberglass and composite are favored for entry-door durability and efficiency.
- Flat-panel slab and Shaker styles lead 2026 interior-door requests.
- Wood-grain finishes and modern farmhouse entry styles feature in 2026 trends.
Questions to ask a pro
- Does this quote include the frame, flashing, weather sealing, trim, and disposal?
- Will the new unit fit the opening, or is reframing or structural work needed?
- What are the door's climate-zone label, glazing, and warranty details?
- For a garage door, will you test the operator's sensors and reversal protection?
How long it lasts
Many patio doors last 20–30 years; garage doors commonly last 15–30 years, depending on use and maintenance.
Can you DIY it?
moderate; simple interior slabs may suit skilled DIYers, but exterior fitting and garage mechanisms are higher risk.
Permits
Same-size replacements may not need permits, but exterior changes, new openings, fire-rated assemblies, or structural work can require local approval.
Ready to hire?
Get up to 3 quotes from licensed, insured local pros.
Trusted resources
- ENERGY STAR windows, doors, and skylights Climate-zone criteria and door performance guidance.
- eCFR garage-door operator safety standard Federal entrapment-protection requirements for residential operators.
- Door and Access Systems Manufacturers Association Industry information on doors, access systems, and safety.
From the Journal
Sources
- https://www.angi.com/articles/how-much-does-it-cost-install-interior-door.htm
- https://www.angi.com/articles/how-much-does-installing-exterior-door-cost.htm
- https://www.angi.com/articles/garage-door-replacement-cost.htm
- https://homeguide.com/costs/patio-door-installation-cost
- https://homeguide.com/costs/garage-door-installation-cost
- https://www.energystar.gov/products/res_windows_doors_skylights
- https://www.energystar.gov/independently-tested-and-certified-energy-performance
- https://www.ecfr.gov/current/title-16/chapter-II/subchapter-B/part-1211
- https://www.fixr.com/articles/windows-and-doors-report
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