Local research · updated July 2026
Replacement Windows in Las Vegas, Nevada
Las Vegas has the youngest housing stock of any market we cover — median year built 1994, with only about 22.8% of the city's roughly 264,000 housing units predating 1980 — so the story here is not old homes. It is what the Mojave Desert does to the builder-grade aluminum and vinyl windows installed in wave after wave of 1990s and 2000s stucco tract homes. Summers that now push past 110°F, relentless ultraviolet exposure, and daily thermal cycling break down insulated-glass seals and warp economy vinyl frames decades ahead of schedule. And because cooling dominates the local energy bill, swapping solar-heat-soaked builder glass for low-SHGC low-E units is arguably the highest-ROI window upgrade in the country.
Short answer
In Las Vegas, a standard replacement window (double-hung, casement or slider) typically costs $560–$3,190 installed. Bay and bow windows run $2,805–$8,975+, and a sliding patio door $1,685–$5,605. Frame material and the glass package decide where a project lands in that range.
Planning ranges built from NREL and BLS cost data, localized to Las Vegas with the BEA Regional Price Parity for Las Vegas-Henderson-North Las Vegas, NV (2024). How we estimate →
22.8%
of Las Vegas homes were built before 1980, the era of single-pane and early aluminum windows
Source: U.S. Census Bureau, 2019–2023 ACS 5-Year Estimates
1994
median year built across Las Vegas's 263,958 housing units
Source: U.S. Census Bureau, 2019–2023 ACS 5-Year Estimates
SHGC ≤ 0.23
the ENERGY STAR v7.0 number that matters most in the South-Central zone
Source: EPA ENERGY STAR v7.0
Window installers in Las Vegas
Compare companies serving Las Vegas. Request a free, no-obligation quote and we route it to the company or a vetted local installer.
| Company | Location | Request a quote |
|---|---|---|
 4.8 · 200,000+ reviews | Las Vegas, NV | Get a quote → |
| 1Power Home RemodelingPower Home Remodeling | Las Vegas, NV | Get matched → |
| 2Universal Windows Direct of Las VegasUniversal Windows Direct | Las Vegas, NV | Get matched → |
| 3Window World of Southern NevadaWindow World | Las Vegas, NV | Get matched → |
Renewal by Andersen Window Replacement
4.8 · 200,000+ reviewsLas Vegas, NV showroom · serving the Las Vegas metro
Full-service manufacturer and installer, transferable warranty, local crews. Why it's our Top Pick
Get a quote →Listings compiled from manufacturer dealer locators and public business records. Premier and Sponsored Partners pay for placement and are labeled as such; star ratings shown are reported by the partner, with the source and date beside them. See our advertising disclosure. Contacting a company shares your details with it (or a vetted local installer) so it can reach you about your project.
Are you a window company? Claim your listing to take quote requests from Las Vegas homeowners directly.
What drives window decisions in Las Vegas
- Failed insulated-glass seals — fogged, hazy, or moisture-streaked dual panes — are the signature Vegas replacement trigger. Extreme heat cycling expands and contracts the glass unit daily until the perimeter seal gives out, and desert UV accelerates the breakdown of the sealants themselves.
- Solar heat gain is the enemy, not winter heat loss. In IECC Climate Zone 3B (warm, dry), a low Solar Heat Gain Coefficient does far more for comfort and cooling bills than an ultra-low U-factor, which reshuffles the product decision compared with northern markets.
- The 90s-2000s tract-home stock was largely built with builder-grade aluminum or early vinyl windows in square, sound stucco openings — good news for cost, since insert-style replacements are common and full-frame tear-outs are the exception rather than the rule.
- Much of the valley sits inside master-planned communities — Summerlin and its village associations chief among them — where HOA architectural review committees regulate visible changes like frame color and grid patterns, adding an approval step (and sometimes weeks of lead time) before installation.
Replacement windows & doors by type in Las Vegas
Local cost ranges and South-Central-zone efficiency guidance for each window and door style, specific to Las Vegas homes:
Ranges localized to Las Vegas's cost level: national planning ranges shifted by the BEA Regional Price Parity for Las Vegas-Henderson-North Las Vegas, NV (100.2, U.S. = 100; 2024). How we estimate local costs →
Efficiency requirements for Las Vegas's climate
Las Vegas sits in the ENERGY STAR South-Central zone (IECC zone 3B (warm, dry), Clark County). Under the v7.0 specification, qualifying windows need a U-factor of 0.28 or lower and an SHGC of 0.23 or lower. Cooling-leaning climate: blocking solar heat gain (low SHGC) matters as much as insulation.
Not sure what these numbers mean? Read our plain-English guide to U-factor and SHGC.
What replacement windows cost here
National installed-cost ranges from NREL and industry data are the honest starting point, and several Las Vegas specifics pull in opposite directions. On the favorable side, the young tract-home stock means most openings are square, sound, and sized in high-volume standard dimensions, so insert replacements into existing frames — the cheaper path — dominate, and the valley's large, competitive installer market helps keep labor in check. Pushing the other way: the spectrally selective low-SHGC glass packages that actually make sense in the desert cost more than base dual-pane units, summer scheduling compresses around crews avoiding the worst afternoon heat, and homes in HOA-governed communities can add review fees and lead time. Whole-house scope is the biggest swing factor, since these tract homes tend to fail window-by-window rather than all at once.
For a breakdown by frame material and install type, see our full cost guide.
Rebates & incentives in Nevada
The federal window tax credit (25C) ended for projects placed in service after December 31, 2025. If your windows were installed in 2025, you can still claim it on your 2025 return — but for new projects there is no federal window credit. State and utility programs are now the main source of window incentives.
Nevada's Governor's Office of Energy holds roughly $48 million in HEAR funding and awarded an implementation contract in late 2024, but as of mid-2026 the Home Energy Rebate programs had not launched and no applications were being accepted, with timing pending federal guidance. Confirm current status at energy.nv.gov.
- NV Energy PowerShift. NV Energy's statewide efficiency program offers free in-home energy assessments and Home Improvements rebates — but the 2026 rebate list covers insulation and duct sealing, not windows. A PowerShift assessment can still document window-related losses to justify an upgrade; there is no direct window rebate. (NVEnergy.com PowerShift program pages and 2026 Home Improvements rebate sheet)
- Nevada Clean Energy Fund. The state's green bank offers financing pathways for residential energy-efficiency improvements and tracks federal incentive availability for Nevadans; useful for financing window projects rather than rebating them. Confirm current offerings. (nevadacef.org)
Nevada adopts the IECC statewide (recent editions, currently based on the 2021 IECC) with local amendments — in Southern Nevada's extreme cooling climate, amendments and inspectors emphasize low solar-heat-gain glazing for permitted window replacements.
Replacement windows in nearby metros
Not in Las Vegas proper? These nearby markets carry the same local research: housing-age data, climate-zone specs, and current rebate status for each city:
Las Vegas window replacement FAQ
›Do I need a permit to replace windows in Las Vegas or Clark County?
The metro spans multiple jurisdictions — the City of Las Vegas, unincorporated Clark County, Henderson, and North Las Vegas each issue their own permits, so your address determines whose rules apply. The general pattern is consistent: like-for-like replacement of glazing in the same opening, same size and type, is typically exempt, while enlarging or relocating an opening, altering structure or fire-rated walls, or changing an egress window triggers a permit. The City of Las Vegas Department of Building and Safety and the Clark County Building Department publish homeowner permit guides; confirm your specific project with the right office before work starts.
›What efficiency numbers should replacement windows hit in Las Vegas?
Las Vegas falls in the ENERGY STAR South-Central climate zone, where the version 7.0 criteria call for a U-factor of 0.28 or lower and a Solar Heat Gain Coefficient of 0.23 or lower. In this climate the SHGC figure is the one to fixate on — it measures how much solar heat the glass admits, and blocking that heat is what cuts cooling loads in a Mojave summer. The Southern Nevada jurisdictions also adopt the IECC with regional amendments (Climate Zone 3B), which sets code minimums for any permitted work. Check the NFRC label on any quoted window to verify both numbers.
›Are there rebates or tax credits for windows in Las Vegas right now?
The federal 25C Energy Efficient Home Improvement tax credit expired on December 31, 2025, so it no longer applies to new window projects. That leaves utility and state channels. NV Energy runs its PowerShift residential efficiency program, which has historically centered on smart thermostats, HVAC, and home energy assessments rather than windows specifically — but offerings change year to year, so it is worth checking current PowerShift home-improvement rebates before you buy. The Nevada Governor's Office of Energy and the Nevada Clean Energy Fund are the other places to look for efficiency funding that may reach window projects.
›Why did my window seals fail so fast, and will low-E glass really cut my cooling bill?
Blame the desert. A dual-pane window is sealed at its perimeter, and every 110°F-plus afternoon expands the unit while the overnight cool-down contracts it — thousands of hard cycles a year, with intense UV degrading the sealant the whole time. That is why fogged or hazy glass shows up in Vegas tract homes far sooner than the same windows would fail in milder climates, and why heat-stabilized vinyl, fiberglass, or composite frames are worth specifying the second time around. As for low-E: yes, here more than almost anywhere. Spectrally selective low-SHGC coatings reject a large share of solar heat before it enters the room, which directly reduces the cooling load that dominates a Las Vegas power bill — while also slowing the UV fading of floors and furniture.
Sources
- — U.S. Census Bureau, American Community Survey 5-Year Estimates (B25034, B25035)
- — EPA ENERGY STAR Version 7.0 Residential Windows specification
- — DOE/PNNL IECC climate zone assignments by county
- — National Weather Service Las Vegas; Clark County Office of the Coroner/Medical Examiner
- — IRS, 25C Energy Efficient Home Improvement Credit (P.L. 119-21)