Window Air Conditioners (52 items found)

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Air Handler Height
Air Handler Width
BTU Cooling
BTU Rating
Btus
Condenser Height
Condenser Width
Coverage Area
Remote Control
Energy Efficiency Ratio
Minimum Window Width
Energy Star Certified
Maximum Window Width
Maximum Coverage Area
Minimum Window Height
Controls
Seasonal Energy Efficiency Ratio
Series
Warranty
Zone Capacity
w/Remote
Special Offers
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Keep your home cool and comfortable all year round with window air conditioners from Ace Hardware. Browse window AC units in various sizes to find the option that best fits your space, then explore features and accessories for all your home cooling needs. 

Find the Right Window Air Conditioner for Your Home

Window air conditioners are popular because they offer an efficient, low-maintenance way to keep your home cool. While many portable air conditioners need to be emptied by hand or occupy valuable floor space, casement window air conditioners automatically move moisture outside for an easy-care option. 

When shopping for a new room air conditioner, consider the size of the room where you'll be installing the AC. You'll notice that each window AC unit lists a BTU number, which measures how much heat per hour the window AC unit can remove. Follow these simple guidelines to match the size of your room to the best BTU measurement:

  • 100 – 350 square feet: 5,000 – 8,000 BTU
  • 350 – 550 square feet: 9,000 – 12,000 BTU
  • 550 – 1,000 square feet: 14,000 – 18,000 BTU
  • 1,000 – 1,500 square feet: 18,000 – 24,000 BTU

Window Air Conditioner Features

The best window AC units do more than just cool the air—they come with helpful features for programming, cleaning, and more. Explore a few of our popular window air conditioner features to find the best fit for your home:

  • Low noise:When you're looking for a quiet window air conditioner, browse models equipped with the low noise airflow system that's perfect for bedrooms, guest rooms, and other sleeping spaces.
  • Remote control:Turn your unit on and control its speed from the comfort of your couch with a convenient remote control AC unit. 
  • Wi-Fi control:Adjust your temperature settings from wherever with Wi-Fi-controlled window AC units.
  • Energy saver mode: Save power and money with eco-friendly energy-saving settings.
  • Washable filter:Reduce waste with reusable filters for your window AC unit.
  • Self-diagnosis:Don't worry about wondering when to change the filter - look for models equipped with a self-diagnosis feature to alert you anytime you need to perform maintenance on your unit. 

Air Conditioner Filters and Accessories 

Once you're all set with the perfect window air conditioning unit for your home, keep it running smoothly with the right AC filters and accessories. Shop air conditioner parts and accessories to make maintenance and repairs easy, then browse our wide selection of air filters for everyday use. With a variety of sizes and performance ratings, air filters are the perfect way to remove dust, bacteria, and allergens from the air. Check the specifications of your AC unit or air purifier to see how often your filter needs to be replaced. 

Shop Window Mounted AC Units at Ace

Household fans are great options for staying cool, but sometimes circumstances call for something with more cooling power. You’ll find everything you need to keep your home cool and comfortable with window air conditioners from Ace.

Available from top brands like Perfect Aire, browse our small window air conditioners for compact spaces or shop for high-capacity heating and cooling systems for those larger rooms or spaces. With a wide variety of convenient features and accessories, Ace makes it easy to purchase and install the best window air conditioner option for your needs.