KEYSTONE
★ 4.9 (203 reviews)

Keystone - 8,000 BTU 115V Window Air Conditioner with 3,500 BTU Supplemental Heat Function - White

GTIN 840148726758
Original price was: $357.99.Current price is: $269.99.
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22+ sold in the past week
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Ships free anywhere in the U.S. Ships from Aiea. Standard delivery in 4–7 business days.
At Keystone, we prioritize your family's comfort. Our budget-friendly heat/cool 115V window air conditioner is designed to meet your needs. This versatile AC unit not only provides efficient cooling but also offers supplemental heat capability. It serves as an additional heat source when outdoor temperatures rise above 23 degrees Fahrenheit, complementing your main heat source. Please note that this mode is meant to supplement, not replace, your primary heat source. You'll find plenty of money-saving features in this multi-seasonal unit. Take advantage of the energy saver mode, sleep mode, and programmable 24-hour timer to customize your cooling and heating preferences according to your schedule. Additionally, our Follow Me LCD remote control ensures total convenience, allowing everyone to relax in blissful comfort.
Orders processed within 24-48 hours. Standard U.S. delivery takes 4-7 business days with tracking provided via email.
Enjoy 30 days hassle-free returns. Items must be in original condition with box and accessories.
We test every product personally, offer 100% authentic items, 12-month standard warranty, and 24/7 dedicated customer service.

Customer Reviews

203 verified reviews from real customers

4.9 /5
★★★★★
203 verified reviews
5★
82%
4★
12%
3★
4%
2★
1%
1★
1%
A
Ashley T.
May 17, 2026
✓ Verified Buyer
★★★★★

Fast Shipping & Smooth Experience

Ordered this and received it in just 3 days! Tracking was updated regularly. Very satisfied with the delivery speed.

L
Laura M.
Jul 1, 2026
✓ Verified Buyer
★★★★★

Great Communication & Support

I reached out with a query regarding my order and got a polite response within minutes. Fantastic customer service!

D
David K.
Aug 14, 2026
✓ Verified Buyer
★★★★★

Top Notch Packaging

The product arrived safely with double protective packaging. Exceeded my expectations in build quality.

M
Marcus B.
Sep 02, 2026
✓ Verified Buyer
★★★★★

100% Authentic Product

Works perfectly right out of the box. Original seal intact and exactly as described on the website.

S
Sarah P.
Sep 20, 2026
✓ Verified Buyer
★★★★★

Hassle-free Purchase

Checkout was super clean and fast. Got email confirmation instantly. Will definitely buy again from ET Electronics!

J
James R.
Oct 05, 2026
✓ Verified Buyer
★★★★★

Highly Recommended Store

Reliable seller! Fast shipping, pristine packaging, and very helpful updates along the way.