Advanced features and technology mixed with long-term dependability. When you choose the Armstrong Air™ 4SCU18LT air conditioner, you can take comfort knowing this powerful combination is at work to give you the highest levels of efficiency, reliability and cooling performance. It keeps your home consistently cool—day after day and season after season, building on more than 80 years of expertise. That’s why we’re the brand chosen by HVAC professionals across the country.

PRECISE PERFORMANCE

Two-stage operation maintains a consistent temperature throughout your home. Longer, gentler cooling cycles run at low capacity during mild weather to save you energy and money. It automatically switches to full capacity to keep you cool on hotter days.

Download the Armstrong Air 4SCU18LT Brochure
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