Keystone - 18,500/18,200 BTU 230V Window/Wall Air Conditioner with 16,000 BTU Supplemental Heat Capability - KSTHW18A bath Update firmware when available for

Update firmware when available for best performance

and bakeries

Inspect Hardware & Seals: Periodically inspect and tighten screws

non‑abrasive cleaner

Keystone - 18,500/18,200 BTU 230V Window/Wall Air Conditioner with 16,000 BTU Supplemental Heat Capability - KSTHW18A bath Update firmware when available forKeystone 18,500 18,200 BTU 230V Window Wall Air Conditioner with 16,000 BTU Supplemental Heat Capability KSTHW18A At Keystone, your familys comfort starts here. Keystone's budget friendly heat cool 230V window wall air conditioner is designed with a removable chassis so you can install it either in a window or through an exterior wall. Our two in one installation marvel includes an adjustable window kit for convenient window installation. For wall