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Should I Close My Windows While the AC Runs?

woman lounging on gray couch while enjoying an air-conditioned home in front of a window

Find the Answer to this Question and More HVAC Tips Here

Staying cool becomes a top priority as we brace ourselves for more scorching summer days in the Sammamish area. We all love that refreshing blast of cold air when the AC kicks in, but have you ever wondered whether you should keep your windows closed or open during this process? Well, today, we're diving into this age-old dilemma to help you make the right call for efficient cooling this season, plus, we’ll review more HVAC tips you can follow for an efficient and comfortable home. Let's get to it!

SEE ALSO: 3 Home Improvement Projects to Improve Your Family’s Comfort

The Impact of Open Windows on AC Efficiency

Picture this: your HVAC is working hard to keep your home comfortably cool, but you notice your windows are wide open. Uh-oh! This could cause your system more trouble than you think. Here’s why:

  • You Lose Cold Air: Leaving windows open releases all that precious cold air your cooling system worked so hard to create. As a result, your air conditioner works overtime to replace the lost cool air, leading to energy waste and higher utility bills.
  • You Allow Warm Air In: Opening windows invites warm air from outside to creep into your living spaces. This influx of warm air dupes your thermostat into sensing a higher indoor temperature, causing it to run longer to try and maintain your desired indoor temperature.

The Benefits of Keeping Windows Closed

Now that we understand the pitfalls of open windows, let's talk about why keeping them closed while your AC is running is a smart move.

  • Improved Efficiency: Closing windows helps keep that cool air trapped inside, so the AC works more effectively and efficiently. 
  • Consistent Temperature Control: Keeping windows closed creates a more stable indoor environment for a consistent and comfortable temperature.

Making Smart Use of Windows and AC

We're not suggesting you lock your windows forever! Here are some smart ways to use your windows and AC efficiently:

  • Utilizing Windows During Cooler Hours: Take advantage of cooler early mornings and late evenings to open your windows and let in some fresh air. This way, you can give your AC a break and rely on natural ventilation.
  • Using Window Coverings: When the sun is blazing outside, use curtains or blinds to block direct sunlight from entering your home. This simple trick can significantly reduce heat gain and keep your family comfortable all day.
  • Optimal Thermostat Settings: Find a comfortable temperature setting on your thermostat and avoid frequent adjustments. This helps maintain energy efficiency and prevents your cooling system from constantly cycling on and off.

Additional HVAC Tips for Efficient Cooling

In addition to the tips we shared above, schedule regular maintenance for your heating and cooling systems to ensure everything is in tip-top shape. Regular tune-ups and filter changes will help your AC perform at its best. Also, ensure your ductwork is cleaned and properly sealed to prevent air leaks for long-term performance.

Now that we've settled the debate, it's clear that keeping your windows closed while the AC runs is the way to go for efficient cooling. Stay cool and contact us today if you need HVAC services from a reliable, local team.

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