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Windows That Work

Beauty, Efficiency, Reliability

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What We Do At Reliable Windows

At Reliable Windows, we make it easier for contractors, builders, and homeowners to access beautiful, durable, and high-performance vinyl windows. From single hung to custom shapes, we manufacture directly with VEKA's proven 5700 series profile system to deliver exceptional quality without the middlemen or markup. Based in Houston, we serve homeowners and projects throughout the greater Houston area and supply contractors, builders, and developers with windows statewide — anywhere in Texas.

Fast Lead Times — Our Advantage

Because we manufacture in-house in Houston, we control the schedule and skip the freight lag of importing from out of state.

2weeks
Standard Windows

Single hung, picture, and slider windows — typically ready in about two weeks from approved order.

3–4weeks
Custom Shapes & Arches

Half-rounds, eyebrows, radius tops, trapezoids and other custom geometries — typically three to four weeks.

Who We Serve

Built for every kind of project.

From single-family homes to multifamily developments — we manufacture for everyone who needs windows that last.

Homeowners

Replacement and new-construction windows for your single-family home. Energy-efficient, beautiful, made to last.

Contractors & Builders

Reliable lead times, contractor pricing, and the technical specs your projects need. We work as your manufacturing partner — supplying job sites across Texas.

Multifamily & Apartments

High-volume production for apartment complexes, condos, and multifamily developments across Texas.

Commercial Properties

Light commercial, hospitality, assisted living, and senior care facilities. AAMA-rated windows that meet code.

Reliable 5700 Series Profile System

The Reliable 5700 Series represents a time-tested vinyl platform engineered for exceptional durability, superior thermal performance, and clean aesthetics. This multi-chambered profile system is the foundation of every Reliable Window.

Our curated approach means every window in our portfolio is engineered for quality, style, and performance. Whether you're building a residential home, a commercial property, or a custom project, we can help bring your vision to life on time and within budget.

Manufactured in Houston, TX for the Texas climate. Available in White, Almond, Bronze Exterior/White Interior, and Black Exterior/White Interior with custom grid patterns and screen options.

Explore Our Products
Reliable 5700 Series vinyl window profile cross-section showing multi-chambered frame and insulated glass
R-PG50
AAMA Rating
0.24
U-Value (Low-E)
10-Year
Limited Warranty
4
Color Options
Guardian
& Cardinal Glass
Our Manufacturer Partner

Backed by world-class engineering

Every Reliable Window starts with VEKA — the global leader in vinyl profile systems for windows and doors since 1983.

1983
North American operations since
1,500+
Profile shapes engineered
54
Locations · 4 continents
7,000+
Engineers, technicians & staff

Global Pedigree

VEKA is the world market leader in fenestration PVC profiles. Operating in North America since 1983, with manufacturing across 54 sites on four continents.

Engineering Excellence

Multi-chambered profile designs deliver superior thermal performance and structural rigidity. Backed by decades of extrusion innovation and a 1,500+ shape library.

AAMA / FGIA Certified

VEKA profiles comply with Fenestration and Glazing Industry Alliance and AAMA standards — required by builders, code officials, and energy programs nationwide.

Rigorous Quality Control

Every batch is inspected multiple times daily — for weight, color, and dimensional integrity. Compound formulations are tested ingredient-by-ingredient before extrusion.

Learn more about VEKA →

Our Products

From single hung to custom shapes — a complete vinyl window lineup engineered for Texas homes and built to order in Houston.

Single Hung Windows

Grade 50 performance with equal glass design, all welded brickmold, and sloped sill.

  • AAMA Rating: R-PG50-H
  • Max size: 48" x 77"
  • U-Value: 0.24–0.28
View details →

Picture Windows

Fixed windows offering maximum glass area with interior glazing for easy drywall pass-through.

  • Maximum light & views
  • Superior insulation
  • Custom shapes available
View details →

Sliders

Full family of single slider and 3-lite slider options with sweep lock design.

  • AAMA Rating: HS-R35
  • Max: 72" XO / 120" XOX
  • Dual weatherstripping
View details →

Specialty & Custom Shapes

Arches, C-tops, trapezoids, triple sliders (XOX), and combination units — picture with single hung or picture with slider — built to your exact dimensions.

  • Arches & custom C-tops
  • Trapezoids & XOX configurations
  • Combination units
View details →

Why Choose Reliable Windows

Premium quality windows designed for the Texas climate

Fast Turnaround

2 weeks for standard windows, 3 weeks for custom arch windows. We understand your project timeline matters.

Clear Communication

Stay informed every step of the way. We keep you updated throughout the entire manufacturing process.

Exceptional Quality

Premium Reliable 5700 Series construction with Guardian and Cardinal glass. Built to last with meticulous attention to detail.

Energy Efficient

Low-E/Argon glass with U-Values as low as 0.24. Blocks heat and UV while maximizing natural light.

Low Maintenance

No painting or sealing required. Durable vinyl resists rotting, fading, and warping for years of trouble-free performance.

Superior Performance

Dual weatherstripping, welded construction, and sweep locks that pass forced entry testing for enhanced security.

Glass Options

Premium Guardian and Cardinal glass options engineered for superior energy performance

Low-E Glass

Guardian CG 55 and Cardinal glass options provide superior energy efficiency with Low-E coating.

  • U-Value: 0.24–0.28
  • 55–65% visible light
  • UV protection

Tempered Glass

Safety glass that's 4–5 times stronger than standard glass for enhanced protection.

  • Impact resistant
  • Safety rated
  • Required by code areas

Obscure Glass

Privacy glass options including Rain glass and decorative patterns for bathrooms and entryways.

  • Privacy without darkness
  • Decorative options
  • Light transmission

Rain Glass

Textured glass with a rain-like pattern providing privacy while allowing natural light.

  • Privacy glass
  • Unique texture
  • Light diffusion

Energy Performance Ratings

Guardian CG 55 (Low-E/Argon)

Visible Light Transmission:55%
U-Value:0.258
Solar Heat Gain:15%

Cardinal Glass (Low-E/Argon)

Visible Light Transmission:65%
U-Value:0.24–0.28
Argon-Filled IGU:Yes

Color Options

Choose from four premium vinyl color options to perfectly match your home's aesthetic

White

Interior & Exterior

Classic bright white finish for timeless appeal.

Almond

Interior & Exterior

Warm neutral tone that complements various architectural styles.

Black Exterior / White Interior

Two-tone option

Bold contemporary look outside with bright interior finish.

Bronze Exterior / White Interior

Two-tone option

Rich earth tone exterior paired with clean white interior.

Custom Color Matching Available
See The Difference

Before & after.

Drag the handle to compare an old aluminum single-pane window against a Reliable Reliable 5700 Series vinyl double-pane replacement — thicker frame, insulated glass, and no more drafts or condensation.

New Reliable vinyl double-pane window
Old aluminum single-pane window
Aluminum Single-Pane Reliable Vinyl
Houston-Made

Manufactured in Houston.
Engineered for Texas.

Every window is built to order in our Houston facility using the Reliable 5700 Series profile system — no middlemen, no markup, no compromise. From our Houston plant, we deliver to job sites across Texas.

Get Your Free Quote

Download Our Product Brochure

Get detailed specifications, features, and options for our complete line of vinyl windows.

Download Brochure

What Our Customers Say

Don't just take our word for it — hear from homeowners across Texas

”
★ ★ ★ ★ ★

"I have dealt with several other window manufacturers in Houston and Reliable Windows is by far the best. Very friendly and helpful customer service, fast turnaround and great quality are just a few reasons why I won't buy windows from anyone else."

Robert Boice
Houston, TX
”
★ ★ ★ ★ ★

"I been buying windows from this company for years and there good Quality windows, the low coating that they use is high-quality double pains are high-quality and they also give me warranty. They stand behind their warranty and their product. I highly recommend this company."

Florencio Huerta
Houston, TX
”
★ ★ ★ ★ ★

"This window company delivered exceptional service from consultation to installation. Their knowledgeable representative guided me through the selection process, helping me find high-quality windows within my budget. They exceeded expectations by completing manufacturing in under 3 days versus their quoted 5–7 day timeline."

Craig Kitchens
Houston, TX
”
★ ★ ★ ★ ★

"After a vehicle crashed into my home, I found myself overwhelmed with repairs. A friend referred me to Reliable Windows, and they stepped in without hesitation. The team treated my concerns with care, professionalism, and urgency. They went above and beyond to ensure I felt heard and valued."

Angel W.
Houston, TX
”
★ ★ ★ ★ ★

"As a contractor, we've worked with many suppliers over the years, and this factory has truly set the bar high. Their window quality is exceptional — durable, well-crafted, and consistent in every order. Lead times are always met, and communication is clear and professional from start to finish."

D&V Custom Glass
Houston, TX
”
★ ★ ★ ★ ★

"Great prices, fast lead time, good quality of windows and the best part, outstanding customer service!"

Satisfied Customer
Houston, TX

Frequently Asked Questions

Get answers to common questions about our windows, ordering process, and services

Reach out by phone or our quote form with your project details and window dimensions. We provide a written quote, and once approved, we schedule manufacturing. Standard windows ship in about 2 weeks; custom arch windows in about 3 weeks.

Most standard window orders are completed in 2 weeks. Custom shapes, arches, and oversize windows generally take 3 weeks. Rush orders can sometimes be accommodated — call us to discuss.

Our Reliable 5700 Series windows are backed by a 10-year limited warranty covering vinyl, hardware, and insulated glass. Full warranty terms available on request.

The Reliable 5700 Series uses a multi-chamber profile design that provides exceptional thermal performance, structural rigidity, and resistance to warping or chalking. It's one of the most respected vinyl platforms in North America.

Yes. We offer Guardian and Cardinal Low-E/Argon glass with U-Values as low as 0.24, plus tempered, obscure, and rain glass options for superior energy efficiency.

We offer White, Almond, Black Exterior/White Interior, and Bronze Exterior/White Interior as standard options. Custom color matching is available — just ask.

Over 16 grid pattern options, including Colonial Grids (6-over-6, 8-over-8, 9-over-9) and Prairie Grids (4-lite, 9-lite, custom perimeter designs). Screens are available in standard mesh and pet-resistant options.

Yes. We serve homeowners and projects directly throughout the greater Houston area, and we supply windows to contractors, builders, and developers statewide — anywhere in Texas. We also work with customers in other cities and states on special projects when the fit is right. Every window is manufactured to order in Houston and delivered to your job site. Contact us about delivery options for your project location.

Absolutely. Our windows meet AAMA R-PG50 ratings and are used in single-family homes, multifamily developments, and light commercial buildings throughout Texas.

Very little. Vinyl windows don't need painting or sealing — simple cleaning with soap and water keeps them looking new for years. Hardware should be lubricated occasionally.

Call us at (713) 364-4482, email admin@reliablewindowstx.com, or fill out the quote form below. We respond to every inquiry within one business day.

Get a Quote

Request Your Free Quote

Tell us about your project and we'll reply with an itemized quote within 24 hours. Serving Houston and supplying projects across Texas.

About You
Your Project
Window Styles
Anything Else

You provide the opening measurements — we reply with an itemized quote, typically within 24 hours.

Every Reliable window is backed by our Limited Warranty — 10 years on vinyl frame & sash, 2 years on insulated glass.