You can feel a bad window from across the room in January. That cold pocket by the couch, the curtain that moves when the wind blows, the bedroom nobody wants because it never warms up. Up here, windows and doors don’t get to be “okay.” They’re either doing their job or they’re costing you money every single day the furnace runs.
And they run a lot of days. Heating season around Petoskey and Harbor Springs stretches from October into May, and plenty of homes outside town heat with propane, which makes every wasted BTU a line item you can feel. The U.S. Department of Energy estimates that heat gain and loss through windows accounts for 25 to 30 percent of residential heating and cooling energy use. Nearly a third of your heating bill can literally go out the window. That’s the stake here.
How do I know if my windows are bad? Five signs.
1. Fog or moisture between the panes. That haze you can’t wipe off from either side means the seal between the panes has failed and the insulating argon gas is gone. The window still keeps rain out, but it stopped insulating a long time ago. A failed double-pane unit performs closer to the single-pane windows your grandparents replaced.
2. Ice or frost on the inside. Frost on the interior glass or ice building up on the frame means warm indoor air is meeting freezing outdoor air where it never should. That same moisture feeds mold in the sill and rot in the frame, so the window is doing damage while it fails.
3. Sashes that stick, won’t stay up, or won’t lock. A window you can’t lock isn’t sealed, period. A frame that’s swollen or racked out of square is telling you water has been getting into it for a while. Soft or flaky wood at the corners of the sill is the confirmation.
4. You can hear the road better than you used to. Sound leaks and air leaks travel together. If M-119 or US-31 got louder in your living room, the cold air is coming in the same way the noise is.
5. The propane bill keeps climbing. If your furnace checks out fine and usage keeps creeping up anyway, the envelope is the suspect, and windows are the thinnest part of the envelope. A single pane of glass insulates at roughly R-1. The wall around it might be R-20. Every failed window is a hole in that wall.
Doors have their own tells
Daylight visible around the edges. Weatherstripping that’s flattened, torn, or missing. A threshold you can feel cold air pouring over with bare feet. A door that needs a shoulder to close in January but swings easy in July, which means the frame itself is moving with the seasons. Any one of those means the door is leaking heat around the clock, and an entry door that leaks air is usually leaking water into the framing behind it too. That’s how a small weatherstripping problem becomes a rotted rough opening.
What should replacement windows have up north?
Not all new windows are equal, and the ones built for Georgia are not the ones for Emmet County. For our climate, look for ENERGY STAR units rated for the Northern climate zone: double or triple pane, Low-E coatings that keep radiant heat inside in winter, argon fill between the panes, and warm-edge spacers that cut frost at the glass edge. The U-factor on the label is the number to watch, and lower means better insulation. We’ll walk you through the sticker in plain English when we quote.
Can you replace windows and doors in winter? Yes.
This surprises people every year. Replacements go one opening at a time. The old unit comes out, the new one goes in, and each opening is exposed for minutes, not hours. Your house never sits open to the weather. You lose less heat during one window swap than you lose through that failed window in an ordinary week.
Winter is also when you can actually feel the result, and that’s the part no summer install can offer. Replace a bad window in July and you shrug. Replace it in January and the cold room stops being the cold room that same night. The propane tank notices before the next fill-up does.
Why have an exterior contractor do it instead of a window company?
Because a window is only as good as the wall around it. The flashing, the housewrap, the trim, and the siding all have to tie into that opening correctly or the best window on the market will leak. That’s the advantage of a contractor who treats the roof, walls, and openings as one exterior system. When we open a wall and find wet sheathing or a flashing mistake from 1995, we fix it while it’s open instead of trimming over it. A lot of the “bad windows” we look at are really bad installs, and the fix has to include the wall.
Stop heating the outdoors
We’re Shane David Roofing, and we replace windows and doors across Northern Michigan, including Petoskey, Harbor Springs, and Cheboygan. If there’s a room you avoid all winter or a bill that keeps climbing, have us look before another heating season starts. We’ll tell you which units are actually done and which just need adjustment, and you’ll get a firm quote either way.
Call 231-597-6556 or reach us online. Warm rooms are a phone call away.
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