Dave Lennox Signature® Collection Air Handlers: the Quietest and Most Efficient You Can Buy Our Dave Lennox Signature® Collection blows away competing air handlers with enhanced energy efficiency, quieter operation and more reliable performance. High efficiency coils provide great heat transfer and efficiency, which may lead to decreased energy expenses. Additionally, our air handlers include a variable speed motor, which is designed for quiet and efficient operation, while also creating better humidity control. Find out more about our Dave Lennox Signature® Collection products below. If you’d like more details, call AW Heating & Air Conditioning in Lincoln at 402-438-7992 or schedule an appointment online. In need of an air handler service visit? Give AW Heating & Air Conditioning a buzz at 402-438-7992 and we’ll have your problem fixed in no time. Schedule an appointment online to find out more about an air handler replacement with AW Heating & Air Conditioning in Lincoln.