
- Model:KSTHW12B SKU:6585657
- Product Name: Keystone – 12,000/11,600 BTU 230V Window/Wall Air Conditioner with 11,000 BTU Supplemental Heat Capability – White
- Discount Price Link: https://www.blazinglydiscounts.com/products/Keystone-%252d-12%2C000%7B47%7D11%2C600-BTU-230V-Window%7B47%7DWall-Air-Conditioner-with-11%2C000-BTU-Supplemental-Heat-Capability-%252d-White.html

I recently installed the Keystone 12,000/11,600 BTU Window/Wall Air Conditioner in my living room, and it’s been a fantastic addition to my home! The cooling power is outstanding—this unit quickly brings down the temperature in my 800 sq. ft. space, even during the hottest summer days. The 12,000 BTU cooling capacity ensures that the whole room stays comfortable, and I love how efficiently it cools without making a ton of noise.
The 11,000 BTU supplemental heat feature is equally impressive. During the cooler months, this unit provides just the right amount of warmth to keep things cozy without needing to turn on the central heating. It’s perfect for transitional weather when I don’t want to heat the entire house but still need a little extra warmth in the living room.
Installation was straightforward, and I appreciate that it works both as a window and wall unit. The design is sleek and modern in white, blending well with my decor. The controls are easy to use, and the unit operates quietly, even on higher settings. I’ve also noticed it’s energy-efficient, so I’m not worried about rising electric bills.
Overall, I’m extremely satisfied with this air conditioner. It’s powerful, versatile, and does an excellent job at both cooling and heating. Highly recommend it for anyone needing an efficient, year-round climate control solution!