To keep lake home pipes from freezing, keep heat on in every space that has water lines, insulate pipes in crawl spaces and along outside walls, and let a faucet drip on the coldest nights. If the house sits empty in winter, keep the thermostat steady and have the plumbing checked, or have the whole system drained and winterized. Most freeze-ups we see start in one cold spot the owner did not know about.
Why lake homes freeze more than other houses
Water expands when it freezes. That pressure is what splits a pipe, and the leak often shows up only after the ice melts. The American Red Cross points to three spots that freeze most: pipes exposed to hard cold, pipes in unheated interior spaces like basements, crawl spaces, attics and garages, and pipes that run along outside walls with little insulation.
Many lake homes check all three boxes. A lot of them started as summer cottages. They were built on piers or short block walls, with open crawl spaces and plumbing hung under the floor. Over the years people added heat, drywall and a bathroom or two, but the pipes stayed where they were. Wind off the water pulls heat out of those crawl spaces fast.
Step by step: protect your pipes before the first hard freeze
- Find every pipe in a cold space. Walk the crawl space, the garage, any closet on an outside wall and the space under kitchen and bath sinks. Look for pipes you can see or touch where the air feels cold.
- Insulate exposed pipes. Foam pipe sleeves from the hardware store are cheap and easy to put on. The Red Cross also mentions UL-listed heat tape or heat cable for pipes in the coldest spots. Follow the maker's directions exactly, and do not wrap heat cable over itself.
- Close up the crawl space. Block open vents for the winter, fix broken skirting and seal gaps where cold air blows in. Even a small hole near a pipe can freeze it.
- Shut off and drain outside faucets. Disconnect garden hoses. Close the inside shutoff for each hose bib if you have one, then open the outside faucet so it can drain. Drain any lines that feed a dock, outdoor shower or boathouse.
- Know where your main shutoff is. On a well system it is usually near the pressure tank. On town water it is near the meter. Make sure everyone in the house can find it and turn it.
What to do on the coldest nights
- Keep the thermostat steady. The Red Cross advises keeping the same setting day and night during a cold snap. Turning it way down at night saves a little on fuel but raises the risk of a freeze.
- Open cabinet doors under sinks on outside walls so warm room air can reach the pipes. Move cleaners out of reach of kids and pets.
- Let cold water drip from a faucet served by exposed pipes. Moving water is less likely to freeze, and a dripping faucet takes pressure off the line if ice starts to form.
- Keep garage doors closed if any water lines run through the garage.
If you leave the house empty for the winter
This is where we see the worst damage. A furnace or boiler quits during a cold week, nobody is home, and a pipe bursts and runs for days. If your lake house sits empty, you have two good choices.
Option one: keep it heated and watched. The Red Cross suggests keeping the heat on and set no lower than 55 degrees when you are away in cold weather. Have your heating system serviced before the season. Ask a neighbor to check in, or put in a low-temperature alarm that sends a text to your phone. Shutting off the main water valve when you leave limits how much water can run if something does break.
Option two: winterize it. That means shutting off the water, draining the pipes, the water heater and fixtures, and protecting traps. Homes with a boiler or radiant heat need extra care, because the heating loops hold water too. This is a job we do for seasonal homes, and it is worth doing right. One missed low spot can still freeze and crack.
How to tell a pipe is frozen, and how to thaw it safely
If you turn on a faucet and get only a trickle or nothing at all on a cold morning, suspect a frozen pipe. Here is what the Red Cross recommends:
- Keep the faucet open. As the ice melts, running water helps melt the rest.
- Apply gentle heat to the frozen section with an electric heating pad, a hair dryer or towels soaked in hot water. Keep electric tools away from standing water.
- Never use a torch, kerosene or propane heater, or any open flame. That is a fire risk, and it can damage the pipe.
- Keep heating until full water pressure comes back. Then check the other faucets in the house. If one pipe froze, others may have too.
If you cannot find the frozen spot, cannot reach it, or the pipe is inside a wall, stop and call a plumber. The same goes if the water comes back and you hear hissing, see a wet spot or notice a drop in pressure. That usually means the pipe split. Shut the main valve and read our guide to frozen pipes.
When to call a licensed plumber
- A pipe froze and you cannot find or reach it.
- A pipe froze in the same place last winter. That line likely needs to be moved, insulated better or rerouted inside the heated part of the house.
- You have water coming from a ceiling, wall or crawl space. Shut the main and call right away.
- You want a seasonal home winterized, or a crawl space line replaced with PEX, which handles cold better than old copper or galvanized pipe but is still not freeze-proof. Our PEX repiping page explains more.
Why this happens around Budd Lake and Morris County
Our area has a lot of lake houses around Budd Lake, Lake Hopatcong, Lake Musconetcong in Netcong and Stanhope, and the smaller lakes in Byram and Mount Arlington. Many were built as summer places and turned into year-round homes later, so the plumbing was never planned for January. Hilly lots also mean open crawl spaces on the downhill side where the wind gets under the house. If you live near the water, the Lake Hopatcong and Budd Lake homes we work in tend to share the same weak spots: the kitchen sink on the lake-facing wall and the line that runs to a back bathroom addition.
Frequently Asked Questions
What temperature do pipes freeze at?
There is no single number. It depends on how exposed the pipe is, how long the cold lasts and whether there is wind. Pipes in crawl spaces and along outside walls are at the most risk during long stretches well below freezing, so start your cold-night routine as soon as a hard freeze is in the forecast.
Should I leave all my faucets dripping?
No. Drip the faucets that are fed by pipes in cold spots, like a kitchen sink on an outside wall. A slow drip of cold water is enough.
Is PEX pipe freeze-proof?
No. PEX can stretch more than copper before it splits, but it can still freeze and the fittings can still fail. Insulation and heat are still the real protection.
Can I use a space heater in the crawl space?
Only a heater made for that kind of space, used exactly as the maker says, and never near anything that can burn. A space heater is a short-term fix. Sealing and insulating the space is the long-term one.
If you want a second set of eyes on it, call or text us at 862-362-0634 or request service online. We are a family owned shop in Budd Lake, and we will tell you straight what we find and what it needs.
Sources
Micky Cipolla is a New Jersey licensed master plumber (License #13478) with more than 15 years in plumbing and heating. He owns Tucker's Plumbing in Budd Lake and works on homes across Morris County every day. Verify the license.