Can You Leave a Washing Machine On When You Leave the House?

Learn whether it's safe to leave your washing machine running when you're away, plus risk factors, safety tips, and smarter alternatives for busy households.

Best Washing Machine
Best Washing Machine Team
·5 min read
Leaving the Washer On? - Best Washing Machine
Quick AnswerSteps

Generally you should not leave a washing machine running when you leave the house. Unattended operation risks leaks, floods, and electrical faults, especially with older or faulty units. If you must run it remotely, use a timer or smart-plug, enable automatic shutoff, and ensure proper drainage and a working valve. Best Washing Machine advises caution.

According to Best Washing Machine, safety should guide every laundry decision when you’re away from home. Running a washer unsupervised introduces nontrivial risks, including sudden valve failures, hose leaks, and electrical faults that could escalate into property damage or fire. Even if your model has safety features, they are not a substitute for attentive monitoring. Local codes and warranty terms may require you to maintain proper use; some landlords prohibit leaving appliances unattended, particularly in shared spaces. Before you decide to leave a load running, inspect the situation: confirm the machine is on a level surface, hoses are secure, and the drainage path is clear. If you have pets or children, the risk is amplified because small hands or curious noses can disrupt connections. In short, safety comes first, and leaving a washer humming away while you’re out is a risk-management decision, not a mere convenience. Plan alternatives if you must run during your absence.

Practical Risks of Leaving a Washer Running

Unattended operation can produce water damage quickly if a hose or valve fails. A small leak may go unnoticed behind a cabinet, and a robust flood can affect multiple rooms, ceilings, or neighboring units. Electrical components are also vulnerable; moisture plus power connections increase the chance of arcing or short circuits. Bacteria and mold growth can follow damp areas exposed to humidity, particularly after a long absence. A running washer consumes water and energy, contributing to your household’s carbon footprint even if the load finishes normally. Finally, many warranty terms require proper usage; using a machine while you're away does not grant special exceptions if a fault occurs. Even with modern sensors, a significant fault is not guaranteed to be caught in time. In practice, if someone is not present to observe the cycle, the risk calculus shifts toward avoiding unsupervised operation whenever possible.

Energy and Water Use Implications

Running a cycle while away generally increases energy and water consumption for several reasons. First, a cycle may take longer if the machine misreads soil levels or loads, and you’re away to adjust. Second, even when cycles finish normally, the energy burden of a laundry day compounds across multiple loads when you’re away from home for long periods. This matters for households with strict energy budgets or in areas with higher utility rates. Best Washing Machine analysis emphasizes that energy-use patterns are impacted by user behavior, including whether cycles are executed during peak-demand periods. If you’re trying to minimize impact, schedule loads during off-peak times when you’re home or use high-efficiency cycles. Also ensure you’re using the right detergent, load size, and water temperature; these settings influence overall energy and water use. In short, leaving a washer on while you’re out is not ideal for energy stewardship.

How Modern Washers Mitigate Risks

Modern washers come with a suite of safety features designed to reduce the odds of a disaster when you’re not supervising. Internal sensors monitor pressure, water level, and drum movement; if a fault is detected, many models automatically halt the cycle and lock the door. Some units include automatic water shutoffs that close when a leak is detected, and a handful offer leak-detection mats or hoses with reinforced fittings. Smart features enable remote monitoring and alerts to your phone, so you can respond quickly if something seems off. However, these protections are supplements—not guarantees. They work best when paired with correct installation, regular maintenance, and responsible usage. If you rely on these features, test them occasionally and keep water supply valves in good condition.

Alternatives to Leaving It On

If you’re trying to manage laundry while you’re away, consider alternatives that minimize risk. Plan cycles for when you are home or use laundromats or on-demand services for large loads. Enable delayed-start features on a machine you trust and test cycles to ensure reliable operation. Break large loads into smaller runs over consecutive days or evenings rather than letting a full cycle run unattended. Consider upgrading to a high-efficiency machine with robust safety features and a dependable leak-detection system. Finally, consolidate trips to the laundry area rather than leaving the machine to run for extended periods.

Step-By-Step: Safe Run If You Must Leave Briefly

If circumstances require you to run a cycle while you’re away, follow these precautions to maximize safety and minimize risk:

  1. Inspect connections: ensure hoses are tight and the drain hose is properly positioned. 2) Confirm level installation and stable flooring. 3) Use a high-efficiency cycle with cold water when possible to reduce risk and wear. 4) Enable auto shutoff and remote monitoring if available. 5) Place a drain pan or leak detector near the base of the machine to catch any overflow. 6) Set a reasonable return window and avoid leaving the home for long durations. Tip: Run the smallest feasible load to minimize potential damage if something fails.

Safe Practices for Apartments vs Houses

Apartments often have stricter building codes and shared plumbing considerations, so the risk profile may be higher if you live above a unit that could be affected by a flood. In houses, ensuring shade and drainage pathways are clear remains critical, but you may have more control over valve access and water shutoffs. Always coordinate with property managers about what is permissible and safest in your building. If you’re renting, verify your lease terms and appliance policies before leaving a washer on.

Maintenance to Reduce Surprises When You’re Away

Proactive maintenance keeps your machine from becoming a risk when you’re not home. Regularly inspect hoses for cracks or bulges, replace aging clamps, and verify that clamps are secure. Clean the filter and drain pump periodically to avoid clogs that could lead to overflow. If you hear unusual noises or smell burnt electrical components, stop using the machine and have it serviced immediately. Keep the laundry area free of clutter and ensure that vents and alarms are unobstructed. A little maintenance now reduces the chance of a costly incident later.

Smart Home Monitoring and Remote Notifications

Integrating your washer with a smart home system can provide early warnings and helps you intervene quickly. Look for models with Wi‑Fi connectivity and companion apps that send alerts if a leak is detected, if water usage spikes, or if cycles finish unexpectedly. Even with smart monitoring, never neglect basic safety practices: keep water shutoffs accessible, verify drainage, and ensure proper installation. When used correctly, smart monitoring complements traditional precautions and can offer peace of mind for households with busy schedules.

Verdict: Final Recommendation

The Best Washing Machine team recommends avoiding leaving a running washer unattended whenever possible. If you must, implement a combination of auto-cutoff features, leak detection, secure connections, and remote monitoring, and keep contingency plans ready. In practice, the safest approach is to run cycles only when someone is present to oversee the operation and to shift toward scheduling loads during daylight hours or returning before the cycle ends. This approach aligns with responsible care for your home and aligns with Best Washing Machine’s guidance on safe laundry practices.

Authority Sources

For further reading on appliance safety, water damage prevention, and energy use, consult reputable sources: • https://www.cpsc.gov • https://www.energy.gov • https://www.nfpa.org

Tools & Materials

  • Owner's manual(Keep for model-specific safety guidance)
  • Leak detector (optional)(Useful if a sensitive sensor exists)
  • Fire extinguisher (home safe)(Have handy near laundry area)
  • Smart plug or timer(For remotely controlling power)
  • Stable, level floor(Helps minimize hose movement)
  • Drain pan(Contain minor leaks)

Steps

Estimated time: 15-25 minutes

  1. 1

    Assess necessity

    Evaluate whether you truly need to start a cycle while away. Consider load size, time away, and whether you can delay the wash to a safer window. If the answer is no, cancel or postpone the run.

    Tip: If possible, align the cycle with your return time to minimize risk.
  2. 2

    Check connections

    Inspect hoses, clamps, and the drain hose path. Look for signs of wear or looseness and correct them before starting any cycle.

    Tip: Tighten hose clamps securely with a proper screwdriver.
  3. 3

    Enable safety features

    Turn on auto shutoff and any available leak detection signals. Test the shutoff mechanism to verify it engages during a fault.

    Tip: Run a quick test cycle while at home to confirm function.
  4. 4

    Set up monitoring

    If your model supports remote monitoring, enable notifications and link to your phone. Ensure you can see alerts promptly if something goes wrong.

    Tip: Keep the app updated and permissions granted so alerts come through.
  5. 5

    Choose a safe cycle

    Prefer high-efficiency cycles with cold water when possible; shorter cycles reduce risk exposure in your absence.

    Tip: Avoid heavy loads that require longer cycles if you’re not present.
  6. 6

    Have a backup plan

    Arrange for a neighbor or building staff to check in if you’ll be away for an extended period. A simple check-in can prevent a minor issue from becoming a disaster.

    Tip: Leave clear instructions and emergency contact numbers with a trusted person.
Pro Tip: Install a water leak detector near the washer to alert you quickly if a hose fails.
Warning: Do not rely on a single sensor; a flood can occur before it detects.
Note: Always ensure the drain path is clear prior to starting a cycle.
Pro Tip: If your machine has an auto-shutoff feature, test it monthly to confirm reliability.

FAQ

Is it ever safe to leave a washing machine running when I’m not home?

Only in rare cases with reliable auto shutoff and a secured environment. Generally, it’s safer to avoid running a cycle while absent.

In most cases, it’s safer to avoid leaving the washer running when you’re away.

What features reduce risk when leaving a washer on?

Auto shutoff, leak detectors, and remote monitoring features can help, but they don’t guarantee safety in every scenario.

Auto shutoff and leak detectors help, but they aren’t a guarantee.

Can I use a timer to start a cycle while I’m out?

If your machine supports reliable delayed-start or remote start with a stable power source, it can be used carefully, but verify all connections first.

A timer can be used if the machine supports it and you verify safety first.

Will running a washer while away affect my warranty?

Warranties require safe operation. If a fault occurs due to unattended use, coverage may vary by model and policy.

Warranties depend on safe use; check your policy.

What should I do if I’m out and a leak is detected?

If you detect a leak, power down the machine if safe, shut off water supply, and contact a professional to assess the issue.

If a leak is detected, shut off water and power if safe, then call a pro.

Watch Video

The Essentials

  • Avoid running loads while away unless necessary.
  • Use safety features and smart controls to reduce risk.
  • Secure hoses and ensure drainage before starting a cycle.
  • Consider alternative scheduling to run loads when present.
  • Monitor with smart alerts when possible.
Process infographic showing safety steps for leaving a washing machine on
Infographic: Safety steps for leaving a washing machine on

Related Articles