Electronic thermostats; pneumatic controllers for air conditioning units; zone control systems for home heating and air conditioning comprising of a series of thermostats connected to a control panel which opens and closes a series of dampers; electrical humidifier controls; thermostats; electrical controllers for air conditioning units; temperature controllers in the nature of pneumatic controllers for air conditioning units; Radon detection devices, namely, radon alarms and radon detectors

Air cleaners incorporating an air filter and accompanying supportive housing for household use; air filters for heating, ventilating, air conditioning, and kitchen exhaust systems; humidifiers; panel-type grease filters for air ventilating systems; filtering elements for the removal of entrained solid and liquid particles from gases in engine air intake cleaners, and for sundry uses, as in air vents, paint spray booth air discharges, and the like; wettable air pervious filter-like material for treating ventilating air; evaporative coolers and air washers; evaporative coolers for residential and commercial use; air filter panels, being part of air filtering units; household air cleaners, namely, uv germicidal lamps; parts for air cleaning system, namely, filter for air filter unit, water panel for humidifier and lamp for uv lamp; dehumidifiers, air cleaners and purifiers for residential and commercial use, incorporating an air filter and accompanying housing; heat recovery ventilators for heating and cooling applications; porous pad evaporators used in humidifiers; apparatus for humidifying ventilating air; fresh air exchangers for cleaning and purifying air for use in residential and commercial forced air heating and air conditioning systems; electrically powered heat exchangers, not being parts of machines for residential use; wettable air filters for air conditioning for filtering, humidifying and ventilating air in domestic and commercial applications; Radon mitigation devices and systems comprised of ventilators for radon mitigation

Marketing support programs for hvac contractors, namely, cooperative marketing and advertising

Technical support programs for hvac contractors, namely, providing technical advice and assistance in the field of hvac system installation and maintenance; Installation services, namely, installing radon mitigation devices and systems

Educational support programs for hvac contractors, namely, conducting classes and seminars in the fields of installation and maintenance of hvac systems

Detection services, namely, detection of radon