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Serving Houston and the Greater Houston Metro

Foggy Window Repair in Houston, TX

That milky haze locked between your panes is a heat-killed seal — not a window you have to replace. We build a new insulated glass unit to your opening's exact size — spacers, desiccant and edge seal rated for Texas heat — and swap only the glass, from $198, with a written 5-year warranty.

The identical window perfectly clear after WowFix installed a new heat-rated insulated glass unit Clear
Double-pane window whited out by a heat-killed seal before WowFix foggy window repair in Houston Foggy

Real WowFix job — drag to see the difference.

★★★★★ 4.9 · Rated by 473+ homeowners*
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What Actually Failed

Why Houston Heat Kills Window Seals Early

Houston heat doesn't break glass. It wears out the seal that keeps the space between the panes dry.

Cross-section of a double-pane sealed glass unit (IGU) at its bottom edge Two panes of glass with a sealed gas space between them. At the edge, a hollow metal spacer holds the panes apart; it is filled with desiccant beads and has small holes facing the gas space. A thin butyl seal bonds the spacer to each pane and blocks moisture. Below the spacer, an outer sealant holds the unit together. The whole unit sits in the window sash. ROOM OUTSIDE air / argon 1 2 3 4 5 6 7 8
Inside a sealed glass unit. Tap a part to find it on the drawing.

What heat does. A double-pane unit is two panes on a hollow spacer, sealed with butyl, with desiccant inside the spacer. Every hot day the air between the panes expands and pushes on the seal; every night it pulls back. Houston heat makes that push harder and the season longer. Sooner or later the butyl opens. Gulf humidity gets in, and the desiccant soaks it up like a bathtub filling. When it's full, the water comes out on the glass.

How a sealed glass unit fogs, from new to fogged and back A whole window with a magnifier on the edge of its lower glass unit. Day and night the gas between the panes heats and cools, the panes flex and the seal at the edge works. The butyl seal opens a hairline gap and water gets in. The desiccant inside the spacer soaks it up like a bathtub filling, while the glass still looks clear. When the tub is full, the water evaporates off the desiccant by day and settles on the inside of the glass by night, so the fog comes and goes, until it stays for good with white mineral streaks. The fix: a new sealed glass unit in the same window, clear again. the edge of the glass unit, up close room outside A new window Clear glass, sealed tight all the way around. Day and night, year after year Sun heats the gas between the panes, night cools it. The seal opens A hairline gap in the butyl. Water finds it. The tub fills The desiccant soaks it all up. The glass still looks clear. It overflows By day the water evaporates, by night it settles on the glass. Fogged for good Haze all day, white mineral streaks on the inside. We swap the glass unit Same window, a new sealed unit. Clear again. new flex opens fills overflows fogged new glass
The leak runs for years before you see it. The fog is the tub overflowing.

Why it's not a new-window problem. Only the sealed unit failed. The frame, the sash and the trim stay.

What we do. We build a new sealed unit with fresh butyl and fresh desiccant to the size of your glass and set it into your existing frame. From $198 a unit, with a 5-year written warranty on the new seal.

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The same price we quote on the phone. Tell us what's going on — or just snap a photo — and see your estimate instantly.

or pick what's going on

Preliminary estimate — your final price is confirmed on-site at booking. No surprises.

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HOT NEWS
Real estate market update · 30yr rate 7.4% · Oct 26
Texas Real Estate Research Center

Real Estate Market Trends in Houston, TX: Prices Fall - Realtor.com

With Houston home prices falling, sellers have less room to negotiate and need their properties to be in top shape. Home inspectors often flag foggy sealed glass units (from $198) or sash balancers (window won't stay up) for $175, which buyers then use to demand expensive price cuts or full window replacements costing $1,000 to $2,000 each. We can fix these specific issues, such as replacing sliding door rollers from $475 or rebuilding rotted sashes from $375, to keep those credits off the closing table. All our work comes with a 5-year written warranty.

Window Repair in Houston →
Business Insider

Texas Real Estate Forecast Through Summer 2027 - Texas Real Estate Research Center

The latest Texas Real Estate Research Center forecast provides a helpful outlook for those navigating the Houston market through summer 2027. When walking through a potential home, look for specific failures rather than assuming you need full replacements, as most issues are just single parts. For example, a window that won't stay up is often just a $175 sash balancer, and foggy glass starts from $198, which is far less than a new vinyl window at $1,000+ or a new wood window at about $2,000. You can price your offer honestly knowing a broken casement crank is $275 or sliding door rollers are from $475.

KHOU

Home prices are dropping the most in these 12 metro areas as inventory piles up - Business Insider

With inventory piling up in certain metro areas, Houston sellers face more scrutiny from buyers and inspectors. A window latch or door lock that won't secure is a common red flag that sellers often underestimate, but it can be a sticking point during a walkthrough. We can fix a window latch or lock for $115 or a door lock for $175, which is a fraction of the cost of a new vinyl window at $1,000+ or a new patio door at about $10,000.

Questions homeowners ask us about windows and doors →

Heat-killed insulated glass unit streaked with trapped Gulf-humidity condensation in a Houston TX home
Heat Killed the Seal, Not the Window
The Heat Villain

Houston Heat Kills Window Seals Years Early — and Your Street Is on the Clock

In 2023 Houston logged 45 days at 100°F or hotter — 23 of them in a row, topping out at 109°F. Picture what that does to a west-facing pane with no shade: the glass bakes and bows outward through the afternoon, then relaxes flat overnight. Day after day, that pumping action tears at the factory edge seal the way flexing snaps a paperclip — until one summer it lets go. Then the Gulf takes over: humid air seeps into the cavity, condenses against the cooler inner pane, and the haze becomes permanent. It's why the metro's biggest housing cohort — 600,893 homes built between 2000 and 2009 — is fogging right now, street by street, with another 337,000 nineties-built houses already past their seal's design life.

  • West and southwest glass with no afternoon shade dies first

  • Milky film or droplets sealed where no cloth can reach

  • The 2000s subdivisions are hitting seal-failure age together

  • Builder-grade units were never specced for 45 triple-digit days

What Nobody Tells Houston

Fogged Glass Is a $198 Unit Swap — Not a $1,000+ Window Project

Here's the secret the replacement industry would rather Houston never learn: the fog lives in one factory-sealed glass sandwich, and that sandwich is a replaceable part. Your frame, sash, trim, brick and paint have nothing to do with it. We measure the dead unit to the millimeter, fabricate its successor — and because we know what killed the first one, we build the new one for this climate: rigid spacers that shrug off daily expansion, a desiccant-packed perimeter that starves the cavity of moisture, and a dual-seal edge rated for Texas heat. The clear unit beds into your existing sash in one visit, and a written 5-year warranty stands behind it through the summers to come.

  • from $198

    Glass-only insulated-unit swap

  • Rigid spacers + desiccant + dual-seal heat-rated edge

  • Frame, trim and paint stay exactly where they are

Fogged-out Houston insulated unit beside the clear heat-rated replacement WowFix fabricated for it
Repair, Don't Replace
Heat-rated insulated glass unit staged with suction cups ahead of a Houston foggy-window swap
Measured · Fabricated · Swapped
The Process

How Foggy Window Repair Works in Houston

Your glass is fabricated before the truck rolls — one firm-dated visit and the fog is gone for good.

01/Tell Us Which Panes Are Hazed

Call or book online and list the cloudy windows. Dispatch places you on a scheduled Houston-metro route with a firm appointment date — never a vague window of days.

02/Verify & Measure

On-site we confirm the seal is dead — not surface condensation — and log width, height, thickness and spacer, with the price in writing before fabrication starts.

03/Build the Heat-Rated Unit

Your replacement insulated unit is assembled to those exact numbers with rigid spacers, a desiccant perimeter and a dual-seal edge specced for triple-digit Texas summers.

04/Swap, Seal & Warranty

Dead unit out, new unit bedded into fresh sealant, the glass inspected in daylight with you — all covered by a 5-year written workmanship warranty.

Transparent Pricing

How Much Does Foggy Window Repair Cost in Houston?

A fogged-unit swap in Houston starts at $198 per insulated glass unit, quoted from the same printed catalog in writing before any glass is cut. Three things move the final number:

Dead fogged unit next to its clear from-$198 replacement before a Houston installation
Quoted On-Site, In Writing
Why WowFix

Why Houston Homeowners Choose WowFix

Backed by a Warranty

Every repair comes with a written workmanship warranty. If it's not right, we come back and make it right.

Repair, Not Replace

We fix the part that failed — glass, seal, sash or hardware — so you keep your windows and skip full-replacement cost.

Our Own Technicians

Your repair is done by our own technicians, never subcontracted — visits run on scheduled routes with a firm appointment date.

Upfront, Honest Pricing

A clear quote before any work starts. No hidden fees, no upsells, no pressure to replace what we can repair.

See the Difference

Real WowFix Repairs: Before & After

The finished picture window holding flawless new glass Clear View
Large picture window mid-service with its old glass lifted out by WowFix Glass Out
The same double-hung with a new made-to-measure pane glazed in New Glass
Double-hung window missing its shattered lower pane before WowFix arrived Broken Pane
The sash rebuilt solid and watertight after WowFix spliced in solid, healthy wood Restored
Window sash crumbling with wood decay before WowFix restoration Rotted Sash

Drag the handle to compare — swipe or tap a dot for more jobs.

Local Coverage

Serving Houston & the Greater Metro

We swap heat-killed glass across Houston's sprawl — from the bungalow blocks of the Heights to the ranch streets of Memorial and Spring Branch, out to the master-planned loops of Copperfield, Kingwood and Clear Lake — on scheduled service routes with firm dates.

WOWFIX Windows and Doors

Houston, TX & the greater metro

(888) 887-6833

In Houston

  • The Heights
  • Montrose
  • Memorial
  • Spring Branch
  • Meyerland
  • Oak Forest
  • Clear Lake
  • Kingwood

Also in Houston

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Testimonial
Reviews

What Our Customers Say

Carole W.
Carole W.

Verified Google Review

Eugene fabricated both screens and new half double-pane windows for my home. He was professional, dedicated, and experienced. He went above and beyond to ensure the job was done right and in a timely manner. I would highly recommend WowFix for work that meets all expectations!

5
Laura P.
Laura P.

Verified Google Review

This is a great company. We appreciate the hard work and honesty of Eugene, who made sure our windows were fixed to our satisfaction. He completed the work on time as promised.

5
Bill D.
Bill D.

Verified Google Review

I had a fantastic experience with WowFix. They repaired my existing windows by cutting out rotted sashes, fashioning new ones on-site, and splicing them in. They look and work absolutely good as new!

5
Bryce K.
Bryce K.

Verified Google Review

WowFix is a great company for repairs on doors and windows. I had two rotten double-door frames that they rebuilt. They communicate well and the pricing was fair.

5
Modern home with large clear windows and a clean front door at golden hour
See It For Yourself

A Real WowFix Repair — Start to Finish

No stock footage, no actors — this is one of our actual jobs. Watch a rotted, fogged-out window brought back to flawless, like-new glass.

Foggy Glass — Clarity Back · 1 / 2

Foggy Window Repair in Houston — FAQ

Because the west wall takes Houston's afternoon sun with no mercy — in a summer like 2023, up to 45 days over 100°F. Each of those days the pane bows out in the heat and pulls flat at night, and that daily pumping fatigues the edge seal far faster than the shaded north elevation. Once it tears, Gulf humidity moves into the cavity and stays. The failed unit swaps out from $198; the new one carries a dual-seal edge built for exactly that exposure.
Before We Arrive

How to Prepare for Your WowFix Window Repair Visit

  1. 1

    Photograph each problem window in daylight

    Snap a clear photo of every foggy, cracked or stuck window in natural light. Morning light shows fog between the panes best and lets us quote faster — often before we arrive.

  2. 2

    Note what each window is doing wrong

    Jot down the symptom per window — fog between the glass, won't open or stay up, draft, cracked pane, or rotted frame. It tells us whether it's a glass-only swap (from $198) or hardware/wood work.

  3. 3

    Clear about three feet in front of each window

    Move furniture, blinds and décor back roughly three feet so our crew can measure and work safely. It keeps the visit quick and your things out of the way.

  4. 4

    Find any window brand or paperwork

    If you have the original window brand, a sticker in the frame, or install paperwork, set it aside. It's not required, but it helps us match glass and parts on the first trip.

  5. 5

    Make sure we can reach the windows outside

    Unlock gates, secure pets, and clear the exterior path to the windows. Most glass-unit work is done from both sides, so outside access keeps everything one visit.

Proof

Real WowFix Repairs, Up Close

Real jobs, real photos — swipe for more.

Eugene Ko

Lead Window & Door Repair Specialist

This content is written by Eugene Ko, a master craftsman with 17+ years of hands-on experience in residential and commercial window repair. Eugene has personally completed over 15,000 window and door repairs across North Carolina, so every answer here is grounded in real field experience — not guesswork.

Call (888) 887-6833

Last updated: October 13, 2026

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