American Standard NAXWST Heat Pumps
A System That Works Smarter
Our standard wall-mounted units, the ST series offers a slim profile and provides enhanced, industry-leading performance for the multi-zone product category. With washable long-life filters, features such as auto-restart and compatibility with the kumo cloud® app, you’ll experience comfort as you never have before. And all models are ENERGY STAR certified, helping to save you money on your energy bills.
- Small space heating and cooling
- Quiet operation
- Flexible, efficient comfort
NAXWST Heat Pumps Overview
INVERTER-Driven Compressors
- Maximizes energy savings by using only the energy needed to perfectly cool or heat an area
Easy Installation
- Installs quickly and easily, without the need for major construction and remodeling
Complete Zone Control
- Realizes maximum control and energy efficiency by cooling and heating only those spaces in use
Personal Comfort Control
- Complete comfort control of temperature, fan speed, and air direction in each room or zone via kumo cloud® or other smart home devices
Cleaner Air With Washable Anti-Allergen Filters
- Improves air quality and saves money
Hyper-Heating INVERTER® (H2i®) Heat Pumps
- Provides instant warmth even in extreme climates (down to -13° F)
Ultimate Energy Efficiency
- With higher SEER
NAXWST Heat Pumps Highlights
- Available capacities in kBtu/h: 06, 09, 12, 15, 18, 24
- Whisper-quiet operation
- Also available for single-zone application