Whether you’re replacing an existing 27" air conditioner or just want the ultimate thru-the-wall unit, WallMaster is the perfect fit. Built with the finest commercial-grade materials and components, WallMaster is durable, yet quiet. Its solid-side sleeve assures maximum performance in thicker wall applications and gives you multiple installation options.

Choose from cooling-only, cooling with electric heat or heat pump models. All WallMasters have a wireless remote plus convenient top-mount controls, a 24-hour programmable timer, an energy-efficient Money Saver® setting and other premium features.

Comfort & Convenience

• Easy-to-reach, top mount controls
• Remote control
• 24-hour programmable timer
• Smart Fan auto adjusts fan speed to maintain desired temperature
• 3-speed fan
• Washable, antimicrobial filter
• Auto restart
• Electronic defrost control
• Insect barrier
• Reversible louver allows a second air flow option

Durability & Quality

• Rotary compressors provide quiet, dependable performance
• Premium stamped exterior grille
• Dense blower insulation
• Rifled copper tubing
• Impact resistant front cover
• High-tech fins with sine wave lanced louvers increase energy efficiency by increasing surface area for heat exchange
• AHAM certified performance
• UL and C-UL-US listed

Energy Savings

• Money Saver® setting saves money by operating the fan only when needed
• ENERGY STAR® qualified models

Installation Features

• Mounts flush with the exterior wall for a neat appearance
• Ideal for thicker wall installations, where side fins don’t fit
• A high-efficiency replacement for 27" sleeves including Fedders A and B*. Sleeve measures 27" W x 16 3/4" H