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A Burst Pipe Is Not a Weather Problem. It’s an Operating Failure.

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    Winterize a rental property by working through four systems before the first freeze: heat, water, the building envelope, and snow removal. Service every boiler and heating system in September or October, inspect and seal windows, insulate exposed pipes, place thermostatically controlled heat in basements set to turn on around 45 degrees, and sign your snow removal contracts before the season starts. Vacant units need their own decision by November: either fully winterize them or keep heat on. Every item needs a named owner, a deadline, and verification that it was actually done.

    Winter does not break buildings. Deferred maintenance does.

    Every year, owners in cold markets treat the first hard freeze like something that happened to them. It is not. The freeze is scheduled. It arrives in the same months it arrived last year, and the year before that. The only variable is whether the work was done in advance.

    We operate 125 doors across two markets, and one of them is Northeast Pennsylvania. Every September and October, before anything gets cold, the same sequence runs across the entire portfolio. Not because we expect a bad winter. Because the cost of being wrong is asymmetric.

    A boiler service call is a scheduled expense you plan for. A boiler that fails in January is an emergency service call at emergency pricing, tenants without heat, a habitability problem, and potentially a frozen and burst pipe in the same building. Those are not the same event. One is a line item. The other is a weekend you lose, a tenant relationship you damage, and a repair bill that was entirely avoidable.

    Spend money when it buys control. October is when it buys the most.

    The timeline

    WhenWhat happens
    September-OctoberBoiler and heating system service across every property. Window inspection and repair. Pipe insulation. Basement heat placed and tested. Basement windows sealed and insulated. Snow removal contracts signed.
    By November 1Every vacancy has a decision: winterized, or heat on. No exceptions, no “we’ll get to it.”
    Through the seasonMonitor vacant units. Respond to tenant heat complaints same day. Verify snow vendor performance after the first event, not after the third.

    The dates matter more than the list does. Any competent owner can name these tasks. The operators are the ones who finish them before the weather forces the issue.

    The full Vine Street case studyOn the ESCG home page.

    Heat: service it before you need it

    Every boiler, furnace, and heating system gets serviced before the season. We instruct our property management company to go property by property and confirm it, not sample it.

    What the service needs to cover: a full inspection and cleaning, confirmation the system holds pressure and cycles correctly, filters replaced, thermostats verified as accurate, and any part showing wear replaced now rather than at two in the morning in January.

    This is the item people skip because the heat worked fine last spring. Heating systems do not fail gradually in a way you notice. They fail on the coldest night of the year, because that is the night they are under the most load. That is not bad luck. That is how mechanical stress works.

    Water: the pipes are where the real money is

    A heating failure is expensive and miserable. A burst pipe is categorically worse, because it is not just a repair. It is water damage through multiple units, displaced tenants, lost rent, an insurance claim, and a restoration timeline you do not control.

    Three things prevent it.

    Insulate every exposed pipe. Basements, crawl spaces, exterior walls, unheated utility areas. Anywhere a pipe runs through a space that is not reliably heated.

    Put heat in the basement. Across our Northeast Pennsylvania portfolio we place thermostatically controlled heaters in every basement and set them to roughly 45 degrees. If the space drops below that, the heat comes on automatically and the pipes stay above freezing. The owner is not required to be watching the forecast, and neither is the tenant. The system handles it. Use equipment rated for continuous unattended operation, place it with proper clearances, and confirm the circuit can carry it.

    Seal the basement windows. Basement windows are the most common failure point in an older building, and the most ignored. They get painted shut in the open position, they are missing panes, they have gaps nobody has looked at in a decade. Every one of them gets closed, sealed, and insulated. A single open basement window will defeat everything else you did in that basement.

    The envelope: look at every window

    Walk every unit and look at every window. Broken panes, cracked glass, failed seals, windows that do not close completely, missing or damaged storm windows.

    This is not only a comfort issue. Cold air infiltration drives up heating costs in buildings where the owner pays heat, it drives tenant complaints in buildings where the tenant pays, and it drops the temperature in the spaces where your pipes run. A cracked window in a stairwell is a plumbing risk, not a cosmetic one.

    Fix what you find. Document what you fixed.

    Vacant units: decide by November

    A vacant unit is the single highest-risk asset you own in winter, because nobody is in it to notice that something has gone wrong. A tenant calls you when the heat stops. An empty unit does not.

    By November 1, every vacancy gets one of two decisions, and there is no third option.

    TopicWinterize itKeep heat on
    What it meansWater shut off at the main, system fully drained, traps protected, utilities handled accordinglyHeat stays on at a safe minimum, system runs through the season
    When it fitsUnit will not be shown or leased for an extended stretchUnit is actively being marketed and shown
    Main riskDoing it halfway. A partial drain is not a winterized unit.Nobody checks it, the system fails quietly, and you find out from the ceiling below
    What it requiresA vendor who does it properly and confirms itPhysical checks on a schedule, not assumptions

    Both are legitimate. Choosing neither is how buildings get destroyed.

    Snow: book the vendor before the season, not before the storm

    Snow removal contracts get signed in the fall, with scope and response time in writing. Which properties, which surfaces, what snowfall triggers a visit, how fast after the event, salt included or not, and who is responsible for walkways versus lots.

    The reason to do it early is simple scarcity. When the first real storm is in the forecast, every good vendor in your market is already committed to the owners who signed in September. You will be calling people who had availability in December, and there is usually a reason they did.

    There is also a liability dimension. Slip-and-fall exposure on your walkways is a real risk, and a documented contract with defined response times is part of how you manage it.

    Then verify

    Here is where most of this falls apart, and it has nothing to do with the weather.

    You can instruct a property manager to do every item on this list. You should. But instructing is not the same as confirming, and a report saying the work was done is not the same as the work being done. Reports are not reality. Verification is reality.

    Execution can be delegated. Verification cannot be delegated to the same person performing the work. Ask for dated photos. Ask for the vendor invoices. Ask which basements got heaters and how many were installed, and see whether the number matches the number of basements you own. Spot-check properties yourself.

    This is not distrust. It is the job. If you are not verifying, you do not know the condition of your portfolio going into the hardest season of the year — you know what someone told you about it.

    Your Property Manager Is Not the OwnerWealthy AF podcast, September 14, 2026.

    Give every item an owner

    Write the list down and put a name next to each line. Boilers, windows, pipe insulation, basement heat, basement window sealing, vacant unit decisions, snow contracts. One named owner, one deadline, one confirmation that it is complete.

    Every assumption in your operating plan eventually needs a human being accountable for making it true. “The property manager handles winter” is not an owner. It is a hope.

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    Tell your tenants what you need from them

    Send one clear message before the season. Keep the heat on, including when traveling. Report any drip, leak, or loss of heat immediately rather than waiting to see if it resolves. Do not block radiators or vents with furniture. Know where the water shutoff is. Tell us right away if a window will not close.

    Your tenants are the only people inside those units every day. They are the earliest warning system you have, and most owners never tell them what to watch for.

    The point

    None of this is complicated. That is exactly why it separates operators from landlords. There is no clever trick in this article. There is a list, a calendar, a named owner for each line, and someone who checks.

    Preparation prevents expensive surprises. The winter is coming either way. The only question is whether your buildings were ready before it got here.

    Frequently asked questions

    When should you winterize a rental property?

    Start in September and finish before the first hard freeze, which in most cold markets means having everything complete by the end of October. Heating service, window repairs, and pipe insulation all need lead time, and snow removal vendors book up in the fall. Waiting until cold weather arrives means paying emergency pricing for work that costs far less when scheduled.

    What temperature should you keep a vacant rental property at in winter?

    If you are keeping heat on rather than fully winterizing, the goal is to keep every space where pipes run safely above freezing. In our Northeast Pennsylvania basements we use thermostatically controlled heaters set around 45 degrees, so heat comes on automatically when the space drops below that. Check local code and your insurance policy, since both may set a required minimum.

    How do you keep pipes from freezing in a rental property?

    Insulate every pipe running through an unheated space, place thermostatically controlled heat in basements and crawl spaces, and seal basement windows and other air gaps that let cold air reach the pipes. For vacant units, either fully drain the system or keep heat running. One open basement window can undo every other step you took.

    Start with the 30-Day Operator Reset.

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    Martin Perdomo

    Martin Perdomo

    20 years investing, 200+ transactions, and 125 doors operated today in Tampa, FL and Northeast Pennsylvania.

    More about Martin All posts in The Operator Standard

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