When Should I Shut Down My Pittsburgh AC for The Winter?

As fall approaches and the weather turns cooler, Pittsburgh homeowners start preparing for winter. One essential step is shutting down your air conditioning unit for the season. In Pittsburgh, this usually happens around mid to late October, when temperatures consistently drop below 60°F. By then, you likely won’t need cooling, and preparing your air conditioner for winter weather helps protect it from damage caused by freezing.

So, why does it matter when you shut down your air conditioner, and how should you go about doing it? We’ll break down the timing, benefits, and practical steps to help keep your air conditioning unit safe while reducing your energy bills and avoiding unexpected repairs.

Shutting down your air conditioner as temperatures cool helps extend its lifespan and save money on repairs. Here’s why it’s worth doing:

AC units that are well-protected through the winter last longer. Taking a few minutes now to protect your AC can add years to its life, making sure it’s ready when the summer heat arrives.

The question for Pittsburgh homeowners is simple: when is the right time to turn off your AC? Here’s what to consider.

By mid-October, Pittsburgh’s average highs reach around 64°F, and lows drop into the 40s. Once temperatures stabilize below 60°F, it’s usually safe to turn off your air conditioning.

The central air conditioning system should be powered down once temperatures consistently stay below 60°F. Early fall weather can vary, so wait until lows remain steady in the 50s or cooler for a few days in a row. This helps prevent your AC from accidentally turning on during a mild spell.

Once you’re ready to shut down your AC, follow these steps to protect your air conditioner unit during the winter months:

Turn off the exterior power switch near the unit. This prevents accidental power-ups during unseasonably warm days, which can create condensation that freezes and damages internal parts.

Before covering the unit, clean around it. Remove any debris that could block air vents or lead to mold growth. Debris buildup can lead to dirty filters in the spring, which will negatively affect indoor air quality.

Check the AC for signs of wear, such as cracks, leaks, or strange noises. Spotting these issues early can help you avoid larger air conditioner repair costs in the spring.

Using a breathable cover designed for outdoor units provides an extra layer of protection against Pittsburgh’s cold and damp winters. Make sure the cover allows air to circulate to prevent rust and mold from forming inside.

Scheduling a maintenance check-up with an HVAC professional can help catch small issues and prevent them from turning into major problems next spring. This quick tune-up will also ensure your system is ready for the next heat days.

While not mandatory, covering your AC is advised as it protects it from snow, ice, and debris that can lead to costly air conditioner repairs. A breathable cover allows moisture to escape, keeping rust at bay.

Winterizing helps lower both energy bills and maintenance costs. Avoiding winter weather damage now prevents costly repairs next season, especially during peak heat days when you need your AC the most.

Replacing dirty filters at the end of the season can improve performance next year. Dirty air filters restrict airflow, lower indoor air quality, and make the system work harder, which can shorten its lifespan.

With the heating season coming up, shutting down your AC is only the start. Be sure your heating system, whether traditional heating or a heat pump, is ready for winter. Consider a smart thermostat to manage your heating efficiently, especially if you’re eligible for a heating bill assistance program.

Prepping your air conditioning unit for winter doesn’t take long but makes a big difference. Powering it down as temperatures drop, covering it, inspecting for damage, and scheduling a checkup will help keep your AC working smoothly and extend its lifespan. These simple steps help save on energy bills and avoid hassle when you need cool air the most during Pittsburgh’s hot months. Contact Calfo Home Services, your air conditioner installation, repair, and maintenance experts for advice on your home comfort system today!