
- Model:KSTAP121HINV SKU:6599455
- Product Name: Keystone – 14,000 BTU ASHRAE/12,000 BTU DOE Portable Inverter Air Conditioner with Heater and Remote Control – White
- Discount Price Link: https://www.blazinglydiscounts.com/products/Keystone-%252d-14%2C000-BTU-ASHRAE%7B47%7D12%2C000-BTU-DOE-Portable-Inverter-Air-Conditioner-with-Heater-and-Remote-Control-%252d-White.html

I recently bought the Keystone 14,000 BTU Portable Inverter Air Conditioner with Heater, and it has been an absolute game changer for my home. I live in a small apartment, and this unit has been perfect for my 500 sq. ft. space. The cooling power is impressive—it cools my entire apartment quickly and efficiently even on the hottest days. The 14,000 BTU cooling capacity is just right for my space, and I’m amazed at how fast it brings the temperature down.
The added bonus of having a heating function is fantastic! I’ve been using it as the weather has gotten cooler, and it heats the room just as effectively as it cools. The ability to switch between heating and cooling in one unit is super convenient, especially during those in-between seasons when temperatures fluctuate.
The inverter technology is a huge plus—it runs smoothly and quietly, unlike some older portable ACs I’ve used in the past. Even when it’s running on high, the noise is minimal, which I really appreciate while trying to sleep or work from home. The remote control is also very easy to use, and I love being able to adjust the settings from across the room.
Installation was simple—just set it up, plug it in, and it was ready to go. The design is sleek and modern, and it’s easy to move around from room to room thanks to the built-in wheels.
Overall, I’m incredibly happy with the Keystone Portable Inverter Air Conditioner. It’s powerful, efficient, and perfect for year-round comfort. If you’re looking for a reliable unit that offers both cooling and heating, I highly recommend this one!