Window Replacement and Door Installation in the Inland Empire and surrounding areas

Energy-efficient replacement windows and expertly fitted doors that cut energy bills and boost curb appeal.

Energy-Efficient Windows and Doors for Southern California Homes

Old, drafty windows work against you in the Inland Empire and surrounding areas heat, forcing your AC to run harder all summer. Alpha Builders’ window replacement and door installation services help seal your home, lower energy bills, and sharpen its appearance. We install energy-efficient windows built for hot climates, plus entry doors, patio doors, and exterior doors that fit tight and operate smoothly.

As an experienced window contractor, we know that a quality window is only as good as its installation - proper fit, flashing, and sealing are what keep out heat, drafts, and water. We get those details right.

Our Window & Door Services

A quality window or door is only as good as its installation. Proper fit, flashing, and sealing are what keep out heat, drafts, and water, and they are exactly where a rushed job falls short.

We measure precisely, remove the old units cleanly, and set the new ones for a weathertight, smooth-operating fit. You get honest guidance on efficiency, style, and budget before anything is ordered.

DISCUSS YOUR PROJECT

Window Replacement

Replacement windows and new window installation, including energy-efficient options for the Inland Empire and surrounding areas climate.

Entry & Exterior Doors

Entry door installation and exterior door replacement that improve security and curb appeal.

Patio Doors

Patio door installation - sliding and French styles - to connect indoor and outdoor living.

Our Installation Process

A clear, step-by-step approach so you always know what’s next.

1

Consultation & Measurement

We assess your openings, discuss options, and measure precisely.

2

Product Selection

Windows and doors chosen for efficiency, style, and budget.

3

Installation

Removal and installation with proper flashing and sealing for a lasting, weathertight fit.

4

Final Walkthrough

We check operation and finish details with you.

Recent Window & Door Projects

DISCUSS YOUR PROJECT
Replacement windows on a stucco home
New front entry door installation
Energy-efficient replacement windows installed in a living room

Let's Discuss Your Project

Call us for a free quote, or fill out the form and a member of our team will follow up shortly. The more you share about your project, the better we can tailor our recommendations to your home. As a full-service remodeling and construction team, we can handle everything from a single room to your whole property - inside and out.

    Windows & Doors FAQs

    Will new windows lower my energy bills?

    Energy-efficient windows reduce heat transfer, which can ease the load on your AC during Inland Empire and surrounding areas summers. Savings depend on your current windows and home.

    Do you replace exterior and patio doors too?

    Yes – entry door installation, exterior door replacement, and patio door installation are all part of our services.

    How long does window replacement take?

    Many window replacement projects are completed in a day or a few days, depending on the number of openings. We’ll give you a clear timeline.

    Ready to Upgrade Your Windows and Doors?

    Request a free quote for energy-efficient windows and doors.

    Request a Free Quote