LG · Model LW1521ERSM1
A window air conditioner rated at 14,000 BTU for rooms up to 800 sq ft. It self-installs in a window and connects to Wi-Fi for app control.
$417
Live price at Abt ElectronicsPrice checked Oct 2, 2026
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Based on 55 prices we have recorded since Jul 25, 2026, not a market average.
Will it cool your room?
This has more cooling than your 150 sq ft room needs. It can short-cycle and leave the air cool but humid.
At a glance
Best for renters and rooms where you cannot install a fixed unit.
Warranty and refrigerant are from Sylvane's published specifications for this exact configuration, checked Oct 2, 2026.
This is a window unit. No EPA Section 608 technician is needed: the refrigerant circuit is factory-sealed and never opened. A plug-in window unit needs no permit, so the friction is with your building rather than the government. Many HOAs restrict window units on appearance grounds, though an HOA regulating how you mount one stands on much firmer ground than one banning cooling outright. Landlords can set conditions, and the falling hazard is taken seriously: New York City, for instance, requires window units to be supported by brackets or mounting rails, and many building insurers and HOAs now require a bracket regardless of city.
Self-fit, no pro needed
R-32
Both lineups at every size both brands sell in stock, with live prices, ratings and the warranty each listing states.
Compare windows against the other types on price, noise, efficiency and install.
The questions buyers ask, answered from live prices and real specs. See where a window unit like this fits.
GE
A window air conditioner rated at 5,000 BTU for rooms up to 150 sq ft. It self-installs in a window.
$159
at Abt Electronics
Lowest since Jul 25, 2026 $159
LG
A window air conditioner rated at 5,000 BTU for rooms up to 150 sq ft. It self-installs in a window.
Keystone
A window air conditioner rated at 5,000 BTU for rooms up to 150 sq ft. It self-installs in a window.
$199
at Sylvane
$180
Self-fit, no pro needed