(P)WallMaster (R) is your ONLY perfect fit for existing 27" sleeves, including Fedders A and B (requires a baffle kit). Our new 2021 smart models have integrated Wi-Fi control through FriedrichConnect (R) , and are also voice compatible. From the durable commercial-grade construction to our QuietMaster (R) technology, WallMaster (R) is feature-packed. Available in 8,000 - 14,500 Btu/h. Cooling only, heat pumps and cooling electric heat models.(/P)(BR) (BR)(B)Quietmaster (R) Technology(/B)(BR)(P)Engineered for quiet performance with superior components. As much as 45% quieter than competitor's products.(/P)(UL)(LI)Steel inner wall and extra dense insulation blocks outdoor noise(/LI)(LI)Vibration isolating design and components reduce operating noise(/LI)(LI)Precision engineering delivers maximum air flow and air dispersion at low sound levels(/LI)(/UL) (BR)(B)Smart Wi-Fi Control with Voice Command(/B)(BR)(P)Home or away, you're in control with the FriedrichConnect (R) App. Integrated