Foggy Window Repair in Cornelius, NC
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Windows repaired
Why does moisture appear inside your double-pane windows?
In-house workshop
Emergency repair
Wide area coverage
5 year warranty
What causes the argon fill in IGUs to leak out over time?
The seal around your IGU gradually breaks down from our hot Cornelius, NC summers and cold winters. That constant expansion and contraction weakens the edge seal where argon gas escapes first. UV exposure accelerates this deterioration over time. expert foggy window repair in Huntersville Foggy Window Repair in Davidson
Once that perimeter seal fails even slightly, argon leaks out and moisture sneaks in. That’s when you see the fog between panes. Most double pane units here last 15-20 years before seal failure becomes visible and gas loss affects your energy bills.



WHY Choose WOWFIX
- Own workshop
With an in-house workshop, we can efficiently handle repairs without relying on third-party services. This ensures faster turnaround times and high-quality workmanship, allowing us to restore your home or commercial windows and doors promptly. reliable cost window repair Cornelius NC Glass Repair Cornelius NC Foggy Window Repair in Mooresville Foggy Window Repair in Huntersville
- 24/7 Emergency Support
Our 24/7 emergency support ensures that you can count on us whenever you need immediate assistance. Whether it’s a broken window or glass in the middle of the night or a malfunctioning door during the weekend, our team is always ready to provide prompt and reliable repairs and replacement ASAP glass repair Cornelius NC Window Repair Cornelius NC Drafty Window Repair Cornelius NC. Foggy Window Repair in Mooresville
- Over 10 Years of Experience
With over 10 years of experience, our team has the expertise and knowledge to handle a wide range of window, glass and door repair issues. Our extensive experience allows us to deliver best services, ensuring that your repairs are done right the first time. Drafty Window Repair Cornelius NC Glass Repair Cornelius NC
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Foggy Window Pricing in Cornelius, NC
Glass Replacement
Service | Description | Price |
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Single Pane - Small (up to 3 sq.ft) | Installing bathroom-sized single pane windows in Cornelius requires careful attention to the area's clay soil movement and humidity fluctuations near...Read MoreInstalling bathroom-sized single pane windows in Cornelius requires careful attention to the area's clay soil movement and humidity fluctuations near Lake Norman. Our process begins with precise measurements and frame preparation, followed by waterproof sealant application around the rough opening. We secure the window using structural screws positioned every 16 inches, then apply dual-layer caulking to prevent moisture infiltration common in this lakeside climate. Interior and exterior trim installation completes the weathertight seal. Ready to upgrade your bathroom's natural light while maintaining energy efficiency?Show Less | $164 |
Single Pane - Standard (3-5 sq.ft) | Looking to replace bedroom or kitchen windows in Cornelius without breaking the bank? Our single pane standard installations cost 40-60%...Read MoreLooking to replace bedroom or kitchen windows in Cornelius without breaking the bank? Our single pane standard installations cost 40-60% less than double pane alternatives while perfectly suiting Lake Norman's mild climate. We measure your existing frames, order custom-fit glass, and complete installation in under two hours per window. Perfect for rental properties or budget-conscious homeowners near Jetton Park who want functional windows without premium features. Your Cornelius neighbors have discovered this smart solution saves thousands on whole-house projects while maintaining the charming aesthetic of older lakefront homes.Show Less | $180 |
Single Pane - Large (5-10 sq.ft) | Transform your Cornelius home's comfort with expertly installed large picture windows that frame stunning views of Lake Norman's sparkling waters....Read MoreTransform your Cornelius home's comfort with expertly installed large picture windows that frame stunning views of Lake Norman's sparkling waters. Our skilled team carefully removes old units and precisely fits energy-efficient single pane windows, creating bright, welcoming spaces where your family naturally gathers. These expansive windows flood rooms with natural light while maintaining clear sightlines to your landscaped yard or the lake beyond. Feel the difference as drafts disappear and indoor temperatures stabilize, making every season more enjoyable. Ready to enhance your lakeside living experience? Let's discuss your window upgrade today.Show Less | $220 |
Double Pane IGU - Standard | Your Cornelius bathroom deserves better than foggy, drafty windows that make morning routines uncomfortable. Our double pane IGU replacement transforms...Read MoreYour Cornelius bathroom deserves better than foggy, drafty windows that make morning routines uncomfortable. Our double pane IGU replacement transforms your space into a cozy retreat, eliminating condensation buildup and cold spots that plague Lake Norman area homes during chilly winters. We carefully remove your old window unit, install precision-fitted insulated glass, and seal everything perfectly to prevent moisture infiltration. The result? Consistent temperatures, reduced energy bills, and crystal-clear views of your beautiful neighborhood. Ready to upgrade your family's daily comfort? Let's discuss your bathroom window solution today.Show Less | $198 |
Entry Door Glass - Small (9x12 in) | Transform your Cornelius home's entrance with custom 9x12 entry door glass that welcomes natural light while maintaining your family's privacy...Read MoreTransform your Cornelius home's entrance with custom 9x12 entry door glass that welcomes natural light while maintaining your family's privacy and security. Our skilled craftsmen carefully remove old panels and install energy-efficient glass designed to withstand North Carolina's humid summers and occasional winter freezes near Lake Norman. Whether your family enjoys entertaining neighbors from the charming downtown district or simply wants better curb appeal along tree-lined streets, this compact glass upgrade brightens your foyer while reducing energy costs. Ready to enhance your home's warmth and character?Show Less | $322 |
Foggy Window Repair | Professional Foggy Window Repair service in Cornelius, NC | $150 |
Hardware & Mechanisms
Service | Description | Price |
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Window Lock Repair | When your windows won't secure properly in Cornelius, you're literally watching money escape through the gaps. Our window lock repair...Read MoreWhen your windows won't secure properly in Cornelius, you're literally watching money escape through the gaps. Our window lock repair process involves precision adjustment of strike plates, replacement of worn mechanisms, and weatherstrip realignment that can reduce your energy bills by 15-20% annually. Given Cornelius's humid summers near Lake Norman and chilly winters, properly functioning locks ensure optimal seal integrity. We calculate most homeowners recover repair costs within 18 months through reduced HVAC usage. Ready to stop throwing away dollars on inefficient windows?Show Less | $115 |
Window Handle Repair | Don't let broken window handles leave your Cornelius home vulnerable during those intense Lake Norman thunderstorms or winter freezes that...Read MoreDon't let broken window handles leave your Cornelius home vulnerable during those intense Lake Norman thunderstorms or winter freezes that can warp frames and stress hardware. Our skilled repair team carefully removes damaged mechanisms, inspects the entire assembly for weather-related wear, and installs precision-fitted replacements that withstand North Carolina's humid summers and surprising cold snaps. With Cornelius's lakeside location creating unique moisture challenges, properly functioning window hardware isn't just convenience—it's essential protection. Schedule your handle repair before the next storm season arrives.Show Less | $95 |
Window Balance/Spring | Cornelius homeowners know how brutal summer storms rolling off Lake Norman can be on aging window hardware. When your window...Read MoreCornelius homeowners know how brutal summer storms rolling off Lake Norman can be on aging window hardware. When your window balancers fail, you're stuck with windows that won't stay open during those sticky Carolina evenings or slam shut unexpectedly. Our team replaces worn spiral balances and tension springs before hurricane season hits, ensuring your windows operate smoothly when you need that lake breeze most. We'll measure, remove old hardware, and install new balancers that'll withstand another decade of lakeside weather. Don't wait until the next storm – your windows need attention now.Show Less | $175 |
Casement Crank Mechanism | When your casement windows won't open smoothly for those perfect Lake Norman breezes, our hardware replacement service transforms your home's...Read MoreWhen your casement windows won't open smoothly for those perfect Lake Norman breezes, our hardware replacement service transforms your home's comfort. We carefully remove worn cranks, hinges, and locking mechanisms, then install precision-fitted replacements that operate effortlessly. Your family will love the improved ventilation and security, especially during Cornelius's humid summers when fresh air circulation matters most. Whether you're near Jetton Park or downtown, properly functioning casement windows enhance your daily living experience while protecting your lakeside investment. Ready to enjoy seamless window operation again?Show Less | $235 |
Door Handle Repair | When your door handles stick or break in Cornelius, it affects your family's daily routine and home security near Lake...Read MoreWhen your door handles stick or break in Cornelius, it affects your family's daily routine and home security near Lake Norman's beautiful waterfront community. Our skilled team carefully removes damaged hardware, assesses the door frame integrity, and installs properly functioning handles that operate smoothly for years. We understand how frustrating wobbly handles can be when you're rushing kids to school or welcoming guests to your Cornelius home. Fresh, reliable door hardware enhances your family's comfort while maintaining your property's charm in this desirable North Carolina lakeside town. Ready to restore seamless access throughout your home?Show Less | $235 |
Screens & Mesh
Service | Description | Price |
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Window Screen Repair | Your Cornelius home deserves screens that actually keep Lake Norman's pesky mosquitoes outside where they belong. Our re-screening process involves...Read MoreYour Cornelius home deserves screens that actually keep Lake Norman's pesky mosquitoes outside where they belong. Our re-screening process involves carefully removing damaged mesh, measuring your existing frames, and installing fresh screening material that lets cooling breezes flow through while protecting your family from insects. Whether you're enjoying morning coffee on your porch or opening windows during those pleasant Carolina evenings, properly functioning screens make all the difference in your daily comfort. Ready to reclaim your indoor air quality and outdoor living spaces?Show Less | $100 |
Window Screen New | Cornelius homeowners know how brutal summer storms rolling off Lake Norman can be on aging window hardware. When your window...Read MoreCornelius homeowners know how brutal summer storms rolling off Lake Norman can be on aging window hardware. When your window balancers fail, you're stuck with windows that won't stay open during those sticky Carolina evenings or slam shut unexpectedly. Our team replaces worn spiral balances and tension springs before hurricane season hits, ensuring your windows operate smoothly when you need that lake breeze most. We'll measure, remove old hardware, and install new balancers that'll withstand another decade of lakeside weather. Don't wait until the next storm – your windows need attention now.Show Less | $150 |
Door Screen Repair | Your Cornelius home deserves screens that actually keep bugs out while letting Lake Norman's gentle breezes flow through. We carefully...Read MoreYour Cornelius home deserves screens that actually keep bugs out while letting Lake Norman's gentle breezes flow through. We carefully remove your old, torn screening and install fresh mesh using precision-fitted frames that seal properly around doors. Families immediately notice fewer mosquitoes during evening gatherings and cleaner indoor air without constantly running AC. Whether your screens suffered damage from recent storms or simply wore out from daily use, our meticulous re-screening process restores that perfect balance of ventilation and protection. Ready to enjoy your doors again without the pest invasion?Show Less | $250 |
Pet Screen Installation | Professional Pet Screen Installation service in Cornelius, NC | $85 |
Wood & Frame Repair
Service | Description | Price |
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Window Sill Repair | Replacing entire windows in Cornelius can cost thousands, but targeted sill repairs often solve moisture and draft issues for a...Read MoreReplacing entire windows in Cornelius can cost thousands, but targeted sill repairs often solve moisture and draft issues for a fraction of that expense. Our team carefully removes damaged sections, treats any rot around Lake Norman's humid conditions, then installs matching materials that blend seamlessly with your home's existing trim. Most homeowners save 60-80% compared to full window replacement while achieving the same weatherproofing results. We've helped countless Davidson area residents extend their windows' lifespan by decades. Ready to explore your most cost-effective option?Show Less | $375 |
Wood Sash Repair | Transform your Cornelius home's original wood sashes into energy-efficient powerhouses while preserving that classic Lake Norman charm. Our meticulous restoration...Read MoreTransform your Cornelius home's original wood sashes into energy-efficient powerhouses while preserving that classic Lake Norman charm. Our meticulous restoration process involves rebuilding sash mechanisms, installing weatherstripping, and upgrading hardware—typically reducing energy costs by 15-25% annually. With Cornelius's humid summers and chilly winters, properly restored wood windows deliver impressive long-term savings, often paying for themselves within 7-10 years through reduced HVAC costs. Instead of costly full replacements, strategic repairs maintain your home's historic character while boosting comfort and value. Ready to calculate your potential energy savings?Show Less | $375 |
Frame Repair | When Lake Norman's humidity warps your window frames or Cornelius's seasonal temperature swings crack the glazing compound, we dive deep...Read MoreWhen Lake Norman's humidity warps your window frames or Cornelius's seasonal temperature swings crack the glazing compound, we dive deep into the restoration process. Our craftsmen carefully remove damaged sash components, mill custom wood profiles to match original dimensions, and apply marine-grade sealants that withstand North Carolina's coastal-influenced climate. For vinyl frames, we use precision welding techniques to rebuild corners, while aluminum repairs involve specialized epoxy bonding and thermal break restoration. Each frame gets meticulous weatherstripping replacement and hardware calibration. Ready to restore your windows to peak performance?Show Less | $475 |
Rotten Wood Replacement | When your historic Cornelius home's window sashes start rotting near Lake Norman's humidity, you're losing serious money on energy bills....Read MoreWhen your historic Cornelius home's window sashes start rotting near Lake Norman's humidity, you're losing serious money on energy bills. Our targeted wood restoration process involves removing decayed sections, splicing in marine-grade lumber, and rebalancing the entire sash system. Homeowners typically see 15-20% heating cost reductions immediately, with complete investment recovery within 3-4 years through lower HVAC usage. We've restored countless lakefront properties where moisture accelerates wood deterioration. Rather than full window replacement costing thousands, strategic sash repair delivers identical thermal performance for a fraction of the price. Ready to calculate your savings?Show Less | $165 |
Specialty Services
Service | Description | Price |
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Sliding Door Glass Standard | When your Cornelius sliding door glass needs replacement, our team carefully removes old panels and installs energy-efficient units that dramatically...Read MoreWhen your Cornelius sliding door glass needs replacement, our team carefully removes old panels and installs energy-efficient units that dramatically reduce those high summer cooling bills common in our humid Lake Norman climate. The precision installation process includes weatherproofing and thermal barriers that typically pay for themselves within 3-4 years through lower HVAC costs. Given Cornelius's rapid growth and rising property values, upgraded sliding door glass can boost your home's market appeal while cutting monthly energy expenses by 15-20%. Ready to calculate your potential savings?Show Less | $195 |
Sliding Door Roller | When your sliding door rollers stick in Cornelius's humid Lake Norman climate, you're literally watching energy dollars escape through gaps...Read MoreWhen your sliding door rollers stick in Cornelius's humid Lake Norman climate, you're literally watching energy dollars escape through gaps and poor seals. Our roller replacement process involves precision measurement, removing door panels, installing corrosion-resistant rollers, and realigning tracks for optimal performance. This seemingly small upgrade typically reduces HVAC costs by 8-12% annually – that's roughly $200-400 saved yearly for average lakefront homes. The math is compelling: a $300 roller replacement pays for itself within two years while preventing costly frame damage from moisture infiltration. Ready to calculate your potential savings?Show Less | $475 |
Emergency Board Up | When storms hit Lake Norman or unexpected break-ins compromise your Cornelius home's security, our emergency board-up specialists restore your family's...Read MoreWhen storms hit Lake Norman or unexpected break-ins compromise your Cornelius home's security, our emergency board-up specialists restore your family's peace of mind within hours. We carefully measure damaged door frames, install heavy-duty plywood barriers with weatherproof sealing, and secure all entry points against intrusion and moisture. Your loved ones can sleep soundly knowing their Antiquity neighborhood sanctuary is protected while you arrange permanent repairs. Don't leave your family vulnerable overnight – we're standing by to safeguard your home's integrity and your household's comfort immediately.Show Less | $350 |
Weather Stripping Installation | Professional Weather Stripping Installation service in Cornelius, NC | $195 |
How do you know if your window needs seal replacement?
You’ll notice condensation between glass panes, foggy patches that won’t wipe away, or drafts around window edges. In Cornelius, NC, failed seals often appear as moisture streaks.
Touch the glass on cold mornings—if unusually cold or showing interior frost patterns, that seal needs immediate attention.
Can foggy windows increase your energy bills in Cornelius, NC?
Yes, foggy windows increase energy bills in Cornelius, NC. Failed seals let conditioned air escape while humidity enters, forcing your Hvac to work overtime year-round.
Most homeowners notice reduced heating and cooling costs after replacing the insulated glass unit.


Should you repair or replace windows with broken IGU seals?
Here in Cornelius, NC, I tell folks it depends on your window’s age and condition. If your frames are solid and the windows are solid double-pane units less than fifteen years old, replacing just the glass makes sense. You keep your existing frames and save money while fixing that foggy mess.
But if you’re dealing with old wooden frames showing rot, or the sashes don’t operate smoothly anymore, replacement becomes the smarter move. I’ve seen too many homeowners spend money on new glass only to face frame problems six months later. Glass replacement typically runs $250-306 per window, while full replacement costs more upfront but solves multiple issues.
Consider the whole picture. Are your energy bills climbing? Do you struggle opening windows? These signs point toward replacement over repair.
When is the best time to fix hazy glass in Cornelius, NC?
The top time to fix hazy glass is right when you notice it, especially here in Cornelius, NC where our humidity accelerates seal deterioration. I’ve seen homeowners wait years, thinking it’s just cosmetic, but that moisture between panes actually damages the glass coating and surrounding frame components over time.
Fall and spring offer ideal conditions for the work—moderate temperatures help the sealant cure properly. That said, we repair foggy windows year-round because waiting rarely improves the situation. The moisture trapped inside creates a breeding ground for mineral deposits that etch the glass permanently.
Most folks are surprised that replacing the insulated glass unit runs $215-320 depending on size, which beats replacing entire windows. Call when you first spot the fog—it’s always easier and cheaper than waiting.


Is defogging a window cheaper than full glass replacement?
Defogging is absolutely cheaper than full glass replacement—usually by a significant margin here in Cornelius, NC. When that seal fails and moisture gets trapped between panes, you’ve got options. Most folks think they need to replace the entire window, but that’s rarely the case. Understanding the cost difference helps homeowners make informed decisions about their window repairs.
Defogging a small double-pane unit typically runs around $198, while a full window replacement can easily hit $800 to $1,200 depending on size and frame condition. We drill tiny access holes, extract the moisture, clean the interior glass surfaces, then seal everything back up properly. The glass itself isn’t damaged—just the seal that failed. This process restores clarity without the expense of new windows.
Now, if your frames are rotted or the window’s ancient, replacement might make more sense long-term. But for newer windows with failed seals? Defogging saves you serious money and keeps your existing frames intact. Give us a call and we’ll take an honest look at what makes the most sense for your specific situation.
Does Lake Norman humidity affect Low-E coating performance?
Lake Norman’s humidity absolutely impacts Low-E coating performance, though not in the way most folks around Cornelius, NC think. The coating itself handles moisture just fine—it’s bonded right to the glass during manufacturing. What humidity does affect is the seal integrity around your insulated glass units, which then compromises how well that Low-E coating can do its job of reflecting heat.
When seals fail in our humid climate, moisture infiltrates between the panes where your Low-E coating lives. You’ll see that telltale fog or condensation that won’t wipe away. Once moisture gets in there, the Low-E coating can’t regulate temperature transfer properly anymore. Your energy bills creep up because the window’s essentially working at half capacity, even though the coating itself isn’t damaged.
I’ve replaced hundreds of foggy double-pane units here in Cornelius, NC, typically running $230 for standard sizes. The good news? Replacing the sealed unit restores full Low-E performance without replacing your entire window frame.

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Frequently Asked Questions From local home owners:
Honest answer - our foggy window repair starts at $89 per window. The final cost depends on your window size, how many panes need work, and whether it's a standard double-hung or specialty glass. In my 17+ years serving Cornelius homeowners, I've found repair runs about 40-50% less than full replacement. Every job includes our 5-year warranty on the repair work. Worth calling for a quote since our schedule fills up quick.
Most foggy window repairs take 1-2 hours per window, depending on the size and accessibility. Here's what I tell Cornelius homeowners - if you've got multiple windows, I can usually handle 3-4 in a morning. The process involves removing moisture, resealing the glass unit, and testing the seal. I don't rush the work because that 5-year warranty means I stand behind it. Best to book ahead since I schedule jobs throughout the week.
In my experience serving Cornelius, NC, repair makes sense when the window frame and hardware work fine - you're just dealing with failed seals causing fog between panes. Starting at $89 for repair versus $300-800 for replacement, it's a no-brainer if the frame's solid. I'll be straight with you though - if the frame's rotted or hardware's shot, replacement's your better bet. Either way, you get our 5-year warranty on repairs.
Yes, Cornelius humidity definitely plays a role. What happens is the seal between your double-pane glass breaks down over time - could be age, temperature swings, or our humid summers. Once that seal fails, moisture gets trapped between the panes and you get that foggy look. I've repaired hundreds of these around Lake Norman. The good news is proper repair with quality sealing prevents it from coming back, backed by our 5-year warranty.
We provide a 5-year warranty on all foggy window repairs - that's significantly longer than most shops offer. Here's what I tell homeowners in Cornelius: if moisture returns or the seal fails within five years, I'll fix it at no charge. In 17+ years, I've learned to do the job right the first time. The warranty covers the seal work and glass treatment, starting from that $89 base price. Worth scheduling a look at your windows.
Absolutely - I handle residential glass including shower doors and enclosures throughout Cornelius. Foggy shower glass usually means failed seals or mineral buildup between panes. Broken shower glass needs replacement for safety. Shower work starts at $89 depending on the issue, and like all our repairs, comes with that 5-year warranty. Just note I only do residential, commercial, and shower glass - no auto glass work. Schedule tends to fill up weekly.
Best approach is calling to describe what you're seeing - how many windows, where they're located, size if you know it. I'll give you an honest quote starting from $89 and find a time that works. In my experience around Cornelius and the Lake Norman area, mornings work well for most homeowners. I book out about a week typically, sometimes longer in busy seasons. All repairs include our 5-year warranty, so worth getting on the schedule.
North Carolina Areas WOWFIX Covers:
Lake Norman humidity killed your window seals? $230 IGU fixes Cornelius, NC fog
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Greensboro triad 👉
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EUGENE KO
This content was written by Eugene Ko, an experienced technician with 15+ years of expertise in the window and door repair industry. Eugene leads the WOWFIX technical team, ensuring all information provided is accurate, practical, and based on real field experience.