Foggy glass, failed seals, broken sashes, worn balances, cracked panes, bad hardware, drafts, and rotted frames. Most window companies in Denver only sell new windows, so that's the answer you get. We repair, and we'll tell you straight when a repair is the right fix and when it's money down the drain.
What we repair
If it's on this list, we can usually fix it.
The seal between the panes has failed and moisture is trapped inside. The glass unit can often be replaced without touching the frame.
Broken balances or a worn spiral. Common in double-hung windows and one of the most repairable failures there is.
Single pane or insulated unit, we measure, order, and install the replacement glass.
A damaged or rotted sash can frequently be rebuilt or swapped without replacing the whole window.
Locks, latches, cranks, hinges, rollers. A worn part is often the whole problem, and swapping it beats replacing a window that works.
More on hardware failures and windows that won't stay open →
Sometimes it's failed weatherstripping or a bad seal at the frame, not the window itself. We find the actual source before recommending anything.
Wood frames on older Denver homes. We assess whether the frame is repairable or whether the opening needs a new unit.
Not sure whether what you are seeing is a repair or a replacement? Start here. Each guide covers what is actually happening, whether it can be fixed, and when replacement is the better call.
A failed seal, and often a glass-only repair on an otherwise good window.
A balance failure, not a broken window. Usually repairable.
Four different problems get called a draft, and the fix for one is worthless against another.
Usually paint, swelling, or track damage. Sometimes a safety issue.
Usually a repair rather than a replacement.
Denver is hard on windows. The cold isn't the main problem. Everything else about 5,280 feet is.
UV at this elevation is intense all year. It breaks down the edge seals that hold insulated glass together, and that is where most foggy windows in Denver start. South and west windows usually go first because they take the most sun and the most heat cycling. Insulated glass built at low elevation can also arrive here under pressure stress, which is one more reason seal failures and pressure cracks show up on Front Range homes.
Fog you can't wipe off means the seal between the panes has failed. Moisture is getting in, and the insulating gas is getting out. The window still works. It just performs closer to a single pane now.
If the frame and sash are sound, we can often replace only the sealed glass unit and keep the rest of the window. We don't recommend drilling and venting the glass. That clears the fog without restoring the seal or the gas fill. Read the full guide to foggy glass.
A cold morning and a sunny afternoon push glass, frames, and seals through a full expansion cycle every day. Over years, that cycle opens seals, loosens frame joints, and causes stress cracks that start at the edge of the glass with no impact point. More on cracked and broken glass.
Hail cracks glass, breaks panes, and damages frames and screens. If your roof or siding was replaced after a storm, have the windows looked at too. Roofing and restoration companies sometimes miss window damage, even after replacing a roof or siding. We document what we find and give you a written scope.
Dry air shrinks wood sash and wears out weatherstripping. Wind finds every gap that leaves behind. A lot of the drafts we look at turn out to be weatherstripping, a sash lock that no longer pulls tight, or exterior caulk, not a failed window. More on drafty windows.
Much of the metro still has original single-pane wood windows and aluminum sliders. An old wood window with a sound frame and a snapped sash cord is often worth repairing. More on windows that won't stay open. Decades of paint can glue a sash shut, and a bedroom window that won't open is a safety issue. More on stuck and painted-shut windows. Aluminum frames are a different story. The frame itself carries cold into the room, no repair changes that, and we will tell you so.
We'll give you the verdict either way. If a repair solves it, we'll tell you that.
And if what you need is a new opening rather than a fix, we do that too. A basement bedroom below grade requires a code-compliant egress window.
Most of our window repairs run from our $750 minimum to $1,500 per window. The $750 minimum applies per job.
There is no flat-rate price list. What a repair costs depends on what has actually failed, the parts or glass it needs, and how hard the window is to reach. A second-story or hard-to-reach window can cost more than the same repair on the ground floor, and each home's exterior factors can raise the price. Every repair quote prices each window on its own line, so you can see exactly where the money goes.
When a repair on one window goes past $1,500, replacing that window is usually the better use of your money. We'll tell you when we see it. See our replacement windows.
For the full breakdown, read our guide to window repair cost in Denver.
Most Denver window companies are captive dealers: one manufacturer, or their own brand, and that's the whole menu. When the only thing you sell is new windows, every problem turns out to need new windows.
We're not built that way. We can source dozens of manufacturers, and the five we know best are Sierra Pacific, ProVia, Milgard, Pella, and Amsco. Nobody here is trying to hit a number on one catalog. So sometimes the honest answer is a repair, sometimes it's one new window, sometimes it's the whole house, and we'll say which without flinching.
We'd rather be the company you call for the small job and trust with the big one.
Already know what you want? Tell us the brand and the line. We'll source it and install it. You don't have to sit through a pitch to get a price.
No idea where to start? That's most people. We'll walk your house, show you what's actually failing, and explain the options in plain language. Ask as many questions as you want.
Just want to know what's wrong? We'll tell you. Free. Whether or not you hire us.
No same-day-only pricing. No four-hour presentation. No manager phone call for a "special discount."
Serving Denver, Aurora, Lakewood, Arvada, Westminster, Thornton, Northglenn, Commerce City, Brighton, Federal Heights, Wheat Ridge, Edgewater, Englewood, Littleton, Centennial, Greenwood Village, Highlands Ranch, Broomfield, Golden, Boulder, Louisville, Superior, Lafayette, Erie, and surrounding communities. We work across Denver, Adams, Arapahoe, Boulder, Broomfield, Douglas, Jefferson, and Weld Counties.
View all service areas →Denver and the surrounding metro, from our shop off East 70th Avenue. Pick your area for local details:
Most of our window repairs run from our $750 minimum to $1,500 per window. The minimum is per job. Each window gets its own line on your written quote. There is no flat-rate list because the cost depends on what has failed, and harder access, like a second-story window, can raise the price.
Often, yes. If the frame and sash are sound and a matching glass unit can be sourced or made, we replace only the sealed glass unit. We don't recommend drilling and venting the glass, because it hides the fog without fixing the seal. More on foggy glass.
No. There is no trip fee and no diagnostic fee. One limit: the free repair visit does not include diagnosing condensation on the inside surface of the glass. That is a household humidity issue, not a failed window.
Repair usually makes sense when the frame is sound and the failure is isolated: one glass unit, a balance, hardware, or weatherstripping. Replacement is usually the better call when the frame is rotted, several windows are failing at once, parts are no longer made, or the repair on one window would cost more than $1,500. If you're leaning toward new windows, start with our replacement windows page.
It depends on the repair. Anything that needs new glass takes 2 to 4 weeks from when we order materials. Repairs using readily available materials, like trim or wood, turn around faster. You get the timeline with your quote.
Yes. Hail cracks and breaks glass, and roofing or restoration companies sometimes miss window damage even after replacing a roof or siding. We are not an insurance restoration company, but we document what we find and give you a written scope. More on broken glass.
Tell us that when you reach out. We offer priority scheduling or a temporary board-up everywhere we work. Both carry a fee that depends on distance, materials, and the number of windows. Until then, cover the opening from the inside with cardboard and heavy tape, and leave cracked glass in place.
No. Fort Comfort Windows does not warranty repairs. Our workmanship warranty covers installation of replacement windows and doors, and the full terms are on our warranty page.
We stop, show you what we found, and re-quote if the scope changes. You see it before we go further.
In some cases. Most of the time, replacing the door is the better answer. See our entry and patio doors.
Free estimate, no obligation. We'll tell you whether repair or replacement makes more sense.
Prefer to pay over time? Ask about financing.