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Sample article — written for the fictional "Mile High Plumbing" (Denver) to show what a $199 pack delivers. AI-assisted, human-finished.
Denver doesn't get the sustained deep freeze of Minneapolis. It gets something arguably worse for pipes: wild swings. A 55-degree afternoon followed by a single-digit night, which is a normal February week on the Front Range. Pipes handle steady cold fine. They fail on the swing. Water freezes, expands by about 9 percent, and the pressure spike splits copper or cracks a fitting two rooms away from the actual ice.
Here's where Denver homes are vulnerable and what to do about it.
The Usual Suspects
Hose bibs. The number one burst-pipe call in Denver every winter. A garden hose left connected traps water in the bib. That water freezes, backs the ice into the pipe inside the wall, and the pipe splits where you can't see it. You find out in March when you turn the bib on and water runs inside the wall instead. Disconnect every hose before the first hard freeze (usually mid-October in Denver) and leave the bibs open a crack so any trapped water can drain.
Pipes in exterior walls. Kitchen sinks on outside walls are the classic. The pipe runs through an uninsulated or poorly insulated wall cavity, the cabinet doors stay closed, and the coldest air in the house sits right on the pipe all night. Split-levels and ranch homes from the 60s and 70s are full of these runs. On nights forecast below about 15 degrees, open the cabinet doors under sinks on exterior walls and let the room's heat reach the pipes.
Garages. A lot of Denver homes run water lines through or along the garage: to a laundry sink, a hose bib, or a bathroom added over the garage. Garages aren't heated, and an attached garage with the door going up and down all evening can sit near outdoor temperature by midnight. Insulate any exposed pipe in the garage with foam sleeves, and if the garage has its own shutoff for those lines, close it and drain them for the coldest stretches.
Crawlspaces and additions. Denver has plenty of homes with partial crawlspaces, enclosed porches converted to living space, and pop-top additions where the new plumbing runs through the old cold envelope. These are the pipes that freeze first because nobody thinks of them as "outside." If you have a crawlspace, check that the vents are closed for winter and that pipe insulation is actually on the pipes. It falls off, gets chewed, or was never installed on the new run.
Sprinkler systems. Not a burst pipe in the house, but the most expensive freeze damage we see in Denver. An irrigation system that isn't blown out before the first hard freeze holds water in the backflow preventer and the shallow lateral lines. The backflow assembly cracks (a $200 to $500 part plus the service call), or the laterals split underground and you find out in April when a zone gushes. Denver irrigation companies start blowout appointments in late September and book solid through October. Schedule it in September, not when the freeze warning hits.
The Night-Before Checklist
When the forecast shows single digits or a fast drop, do this before bed. Denver's classic setup is a warm chinook day collapsing into an arctic front overnight:
- Disconnect hoses if you haven't already. This is the whole game for most homes.
- Drip the vulnerable faucets. A slow drip (pencil-lead thin, not a stream) on faucets served by exterior-wall pipes keeps water moving. Moving water freezes far slower than still water. Drip both hot and cold if both lines run in the wall.
- Open cabinet doors under sinks on exterior walls.
- Keep the thermostat steady. Don't set it back to 60 overnight during a cold snap. The few dollars of gas cost less than a burst pipe. If you leave town, leave it at 55 minimum. 60 is safer.
- Know where the main shutoff is. If a pipe does burst, shutting the water in the first two minutes is the difference between a repair and a renovation. Go find it now, while nothing is leaking.
For homes with a history of freezing, the same pipe every January, a thermostatically controlled heat cable on that run is a permanent fix. It draws power only when the pipe temperature drops near freezing. An electrician or plumber can install one in under an hour on an accessible run.
What To Do If a Pipe Freezes
First, figure out whether it's frozen or burst. No water from a faucet but no signs of leaking: probably frozen. Water where it shouldn't be means a burst pipe. Shut the main off immediately.
For a frozen pipe you can reach: open the faucet it serves, then warm the pipe gently. A hair dryer on low, a heat lamp, or towels soaked in hot water all work. Work from the faucet end back toward the blockage so melting water has somewhere to go. Never use a torch or an open flame. It can flash trapped steam, crack the pipe, and start a fire inside the wall.
If you can't find the frozen section, or the pipe is inside a wall, call a plumber. We have thermal cameras that find the ice blockage without opening drywall, and we'd rather find it frozen than find it after it thaws and leaks.
The Thaw Is the Dangerous Part
A frozen pipe that hasn't burst yet will often burst during the thaw, when water pressure returns against a weakened spot. After a hard freeze, check the vulnerable areas (under exterior-wall sinks, the garage, the crawlspace access) for the first day or two of warm weather. Look for drips, listen for hissing inside walls, and watch your water meter: if the little dial spins with every fixture off, water is going somewhere it shouldn't.
Call Mile High Plumbing
(Sample article for a fictional business. Mile High Plumbing is not a real company.)
Frozen pipe, burst pipe, or a house with a pipe that freezes every winter: Mile High Plumbing serves the Denver metro 24 hours a day through cold snaps. Denver, Aurora, Lakewood, and Arvada. Call (303) 555-0147. And if you want us to walk your house before winter and flag the vulnerable runs, we do that in the fall, which costs less than the February emergency call.