Profile: Norrell Service Experts offers heating and air-conditioning services. We specialize in designing and installing complete comfort systems. We provide thorough duct cleaning and duct sanitization services. We offer all types of water heater equipment. Tankless water heaters heat water only at the time of use, and can supply continuous hot water indefinitely. Since water is only heated when needed, tankless water heater reduces energy consumption. We also specialize in plumbing and HVAC installation services.