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Epex Home Performance

Serving Las Cruces

Get Energy-Efficient Windows in Las Cruces, NM

Window replacement in Las Cruces typically runs $9,000–$14,000 for a 10–15-window home. In a cooling-dominated Chihuahuan Desert climate — summers hotter and longer than any market we serve — low-SHGC glass does its most valuable work here, cutting the radiant heat your AC spends all season fighting.

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350+ days of sunshine per year in Las Cruces. Las Cruces is El Paso Electric territory, and EPE's rules differ from PNM's: solar offsets your usage at the retail rate within each billing month, but month-end surplus is credited at EPE's lower purchased-power rate — so we size Las Cruces systems close to your actual usage rather than overbuilding.

We serve these Las Cruces neighborhoods:

Mesilla, Picacho Hills, Sonoma Ranch, University Area, Las Alturas, Telshor, North Mesa, East Mesa, Northrise, Tortugas, High Range

Energy-Efficient Windows in Las Cruces: What to Know

350+ days of sunshine

Sun Days

Full local office in the Mesilla Valley

Local Office

Top-tier — 6.7 peak sun hours

Solar Potential

Low — Chihuahuan Desert climate

Hail Risk

City of Las Cruces Community Development

Permit Office

Stucco & Southwestern builds, flat and pitched

Housing Stock

Glass for a Cooling-Dominated Climate

Window advice written for four-season climates gets Las Cruces backwards. The dominant load here isn't winter heat escaping — it's summer radiant heat pouring in through glass, month after month, across the hottest and longest cooling season of any market we serve. That flips the priority list: solar heat gain coefficient first, U-factor second, and real attention to the west- and south-facing openings that take the brunt of Chihuahuan Desert afternoons.

The housing stock cooperates. Newer stucco builds in Sonoma Ranch, East Mesa, and Northrise often carry builder-grade windows due for their first meaningful upgrade, while older University Area and Mesilla-adjacent homes bring out-of-square frames and thick-wall openings we measure individually rather than assuming stock sizes. Either way, low-E coatings do double duty in this climate — cutting cooling load while blocking the UV that fades floors and furniture under 350+ days of sun.

Most national window guides aren't written for the high desert. New Mexico's altitude puts summer UV indexes at 10–11, which fades floors, drapes, leather, and art faster than lower elevations — and makes the low-E coatings on modern windows, which block roughly 95% of UV, the benefit homeowners actually feel first. Full-home window replacement in New Mexico typically runs $5,000–$20,000, with most 10–15-window homes landing around $9,000–$14,000.

What We Install: Anlin Vinyl Windows

We're an authorized Anlin dealer, and we chose them deliberately:

  1. The warranty is real. Anlin's True Double Lifetime warranty covers parts, labor, and shipping for as long as you own the home — and transfers to the next owner. That transferability is rare and matters if you might sell within ten years.
  2. Their glass is tuned for the western US. Low solar-heat-gain low-E packages are what perform in New Mexico's UV-heavy, cooling-dominated climate. Anlin's standard package meets the Energy Star v7.0 South-Central spec out of the box (U-factor ≤ 0.28, SHGC ≤ 0.23).

For most Las Cruces homes, double-pane with argon fill and a low-SHGC low-E coating is the right answer. Triple-pane is available but rarely worth the upcharge in our winters — we'll tell you when it isn't.

The 2026 Incentive Picture

The federal Energy Efficient Home Improvement Credit (Section 25C) stopped covering windows January 1, 2026. The New Mexico Sustainable Building Tax Credit remains — up to $500 per Energy Star window for general homeowners, $1,000 per window for affordable-housing or low-income households. We help with the paperwork.

Options Without the Overwhelm

Frame colors (white and tan standard; bronze, black, and two-tone available), operation styles (single- and double-hung, sliders, casements, picture), grid patterns, privacy and tempered glass, laminated sound-dampening packages — we bring physical samples to the estimate and walk every opening in the house, recommending per window based on view, ventilation, and egress code. HOA color rules or historic-district palettes? Mention it when you book and we'll come prepared.

How the Project Actually Goes

Custom manufacturing is the long pole: 4–8 weeks from final measure (sometimes longer in peak season), then a 1–2 day install for a typical home — about 30–60 minutes per window. The estimate itself is 45–90 minutes, free, with a written per-window quote that holds whether you decide that week or next month. NM contractor license #395807; general liability and workers' comp certificates available on request.

Frequently Asked Questions

Most Las Cruces homes replacing 10–15 windows land around $9,000–$14,000, with the full range running $5,000–$20,000 depending on size, frame, and glass package. Quotes are written per window after we walk every opening in the house, and they hold whether you decide this week or next month — no pressure pricing at the kitchen table.

Prioritize solar heat gain over insulation value. Las Cruces homes are cooling-dominated — the long Chihuahuan Desert summer is the season your windows have to fight — so the SHGC number on the label deserves more attention than national guides written for cold climates give it. West- and south-facing rooms matter most: that's where desert afternoons load a home hardest, and where better glass is felt immediately.

They help, and more here than in New Mexico's northern markets, simply because the cooling season is longer — more hours for low-SHGC glass to keep radiant heat out of the house. Exact savings depend on orientation, shading, and the glass being replaced, so we won't promise a number; we will walk your west and south exposures and be honest about where glass pays and where shade does.

Las Cruces is El Paso Electric territory — not PNM — and the rules differ. Your solar production offsets usage at the retail rate within each billing month, but month-end surplus is credited at EPE's lower purchased-power rate instead of banking at retail indefinitely. The design consequence: we size Las Cruces systems close to your actual consumption, where the economics are strongest, rather than overbuilding.

Often, yes. Because EPE credits month-end surplus below the retail rate, storing your excess solar and using it yourself at night is worth more in Las Cruces than in northern New Mexico, where the grid effectively banks surplus for homeowners at retail. We model both configurations — solar-only and solar-plus-battery — against EPE's actual rates before recommending either.

The City of Las Cruces Community Development department handles building and electrical permits inside city limits; homes in Mesilla, Picacho Hills, and unincorporated Doña Ana County permit through their own authorities. Epex files the right package either way, plus EPE interconnection paperwork for solar and battery work.

Yes — Epex operates a local office in the Mesilla Valley with crews who live and work in Doña Ana County. Las Cruces isn't a long-distance service-area stretch from Albuquerque: site visits, installs, and warranty calls are all handled locally, from Sonoma Ranch and East Mesa to Mesilla and Picacho Hills.

Other services in Las Cruces

Get energy-efficient windows in Las Cruces

Book your free Home Performance Assessment. No pressure, no obligation — just a prioritized plan for your roof, solar, windows, and stucco.

$0 down financing available — most homeowners qualify

Emergency? 505-348-5571 — available 24/7