Profile: Hess Air focuses on custom-designed systems and specialized duct cleaning. Our service line includes duct cleaning, air balancing, new construction and air conditioning. Our accessories line includes hot water recovery, programmable thermostat, energy recovery ventilator and pure air purification systems. We offer electronic air cleaner, mechanical filter and spring air purifier. Our electronic air cleaner remove up to 95% of the particles in the air-including aggravating pollen, dirt, dust, grease and tobacco.