Pennsylvania experiences extended periods of freezing weather during winter cold snaps. As a homeowner, taking steps to prevent plumbing failures during these months is essential. Issues such as frozen pipes, burst water lines, sewer backups, and water heater problems are more likely when temperatures stay below freezing. With the right preparation, many of these problems can be avoided.
Pennsylvania’s climate includes lake-effect snow in the northwest and cold winds with fluctuating temperatures across central and eastern regions. Prolonged subfreezing conditions increase the risk of frozen pipes, especially during rapid freeze and thaw cycles. These cycles place added stress on underground plumbing and exterior piping.
Snow and ice buildup can block vents and drains, while increased indoor water use during winter adds additional strain. When water freezes inside a pipe, it expands and pushes outward against the pipe walls. Over time, this pressure can weaken piping and lead to cracks or burst lines. Preventive steps taken early in the season help reduce these risks.
Every home has plumbing areas that are more susceptible to freezing. Pipes located in unheated or poorly insulated spaces are at the highest risk. Common trouble spots include basements, crawl spaces, garages, attics, and pipes that run along exterior walls.
Outdoor fixtures such as hose bibs and spigots are also vulnerable. Older homes often face higher risks due to aging materials, less insulation, and more air leakage compared to newer construction.
Insulating exposed pipes is one of the most effective ways to prevent freezing. Cold water supply lines, pipes near exterior walls, and any plumbing in unheated areas should be insulated. Common insulation options include pre-slit foam pipe sleeves, fiberglass wrap, and heat tape designed for plumbing applications.
Proper insulation helps slow heat loss and keeps water inside the pipes at a safer temperature during cold weather.
Cold air drafts around piping can significantly lower water temperatures inside the pipes. Air infiltration is one of the most common causes of frozen household plumbing. Sealing gaps helps prevent cold air from reaching vulnerable pipes.
Typical leak locations include pipe penetrations through walls and floors, utility entry points, foundation gaps, and basement rim joists. Depending on the size of the opening, caulk, spray foam, or weather stripping can be used to seal these areas effectively.
Turning off your heat while away during winter may save energy, but it increases the risk of frozen pipes. A safer option is to keep the heating system running at a reduced temperature. Setting the thermostat to around 55 degrees Fahrenheit helps protect plumbing while limiting energy use.
Smart thermostats add an extra layer of protection by sending alerts if indoor temperatures drop or if the heating system stops working, allowing you to address issues before pipes freeze.
During periods when temperatures fall into the teens or single digits, additional precautions can help reduce freeze risk. Opening cabinet doors under sinks allows warm indoor air to circulate around pipes located along exterior walls.
Allowing a slow drip from a faucet farthest from the water supply can also help. Moving water is less likely to freeze than standing water, especially during extended cold spells.
Cold weather can turn small plumbing issues into major problems. Scheduling a professional plumbing inspection before or early in winter helps identify vulnerabilities. Inspections may include checking for leaks, verifying water pressure, inspecting exposed piping, and flushing the water heater.
Addressing minor concerns ahead of time reduces the likelihood of emergency repairs during extreme cold.
Outdoor plumbing fixtures should be winterized before freezing temperatures arrive. Shut off water supply lines to exterior fixtures, drain remaining water, and remove hoses. Store hoses indoors to prevent damage from freezing.
With more people indoors during winter, drains and sewer lines experience heavier use. Preventive drain cleaning before winter can reduce the risk of backups and slow drainage. Professional hydro jetting removes buildup from pipe walls, allowing water and waste to flow freely.
Water heaters often work harder during winter due to increased hot water use and colder incoming water temperatures. Insulating the tank helps reduce heat loss and improves efficiency.
Installing an insulating jacket around your water heater can help maintain consistent temperatures and reduce energy consumption during cold months.
Even with preventive measures, plumbing issues can still occur. Early warning signs include reduced water pressure, slow flow, frost on exposed pipes, or unusual drain odors. Responding quickly helps prevent minor issues from turning into costly damage.
Prompt diagnosis and repair can limit water damage and restore safe operation before freezing conditions worsen.
Ready & Able Plumbing, Heating & Air provides dependable plumbing services throughout the greater Harrisburg, PA area. Our team also handles plumbing installations, replacements, inspections, and seasonal maintenance.
Call Ready & Able Plumbing, Heating & Air today to schedule an appointment with one of our licensed plumbers.