The 4SCU20LX variable-capacity air conditioner is the perfect example of Armstrong Air’s commitment to providing you with maximum control of your home temperatures' energy use and air quality. With its ability to adjust cooling output with extreme precision' the 4SCU20LX can keep your home exactly how you want it from
summer to summer. All while using up to 50% less energy than a standard air conditioner.
Pair this model with a Pro Series™ variable speed furnace and a Comfort Sync thermostat' for optimum performance. With the Pro Series' you’re in control of every aspect of your home’s climate' as well as your energy costs.