Compare window, wall & room units / Keystone Inverter with Heat
Keystone · Inverter with Heat
Keystone 8,000 BTU Inverter Window AC with Heat Pump (KSTAW08INV-HC)
Model KSTAW08INV-HC
Not fully reviewed yet
Same job as the Midea, with a published 7,000 BTU heat pump rating and a year of parts and labor. It's a spec-sheet pick: we've seen no owner reports, and the heat still stops below 41°F.
Specs
| Spec | Keystone 8,000 BTU Inverter Window AC with Heat Pump (KSTAW08INV-HC) |
|---|---|
| Type | Window heat pump |
| Cooling (DOE / SACC) | 8,000 BTU |
| CEER | 14.5 |
| Inverter | Yes |
| Heat mode | Heat pump |
| Noise, lowest setting (maker figure) | 43 dBA |
| Window width, min | 24 in |
| Window width, max | 38.5 in |
| Min sash opening | 14.5 in |
| Weight | 56 lb |
| Warranty | 1 yr |
| ENERGY STAR | Yes |
| Heating capacity | 7,000 BTU (heat pump) |
| Heat range | 41-75°F outdoors; below 41°F it stops and shows LO, restarts above 43°F |
| Noise | 54 / 50 / 43 high / med / low (no unit or distance given) |
| Power | 115V, 8.66 A, NEMA 5-15P, 6.5 ft cord |
Sources: Keystone spec sheet and manual · ENERGY STAR Certified Room Air Conditioners dataset
Before you buy
- Keystone calls the heat supplemental, not a primary heat source.
Compare it with
- Keystone 8,000 BTU Inverter Window AC with Heat Pump (KSTAW08INV-HC) vs Midea U 8,000 BTU U-Shaped Window AC (MAW08V1UWT) (our score 7.5)
- Keystone 8,000 BTU Inverter Window AC with Heat Pump (KSTAW08INV-HC) vs Midea U 8,000 BTU (MAW08U2QWT) (our score 7.5)
- Keystone 8,000 BTU Inverter Window AC with Heat Pump (KSTAW08INV-HC) vs Midea 8,000 BTU Smart Inverter Window AC with Heat (MAW08HV1CWT) (our score 6.9)
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