Portable filtration heating, ventilation and air conditioning (HVAC) cleaning units; electrostatic air filters for removing allergens from the air; filters for vacuum systems; filters for commercial heating, ventilation and air conditioning (HVAC) systems; industrial robots for heating, ventilation and air conditioning (HVAC) cleaning; heating, ventilation and air conditioning (HVAC) inspection cameras; brush systems used in air-duct cleaning; chemicals used in air-duct cleaning; decorative and non-decorative air-duct material and accessories, namely, duct inlets, outlets, elbows, joints, screws, duct tape, caulking, T-fittings and cross fittings; cleaning rags; ladders; Air filters for heating and cooling registers; Air-conditioning, air cooling and ventilation apparatus and instruments; Fasteners; UV light treatment and filters; ultraviolet lighting system; Cleaning scrub system; Adhesive door logos; posters, pamphlets and index cards; Filtration products; Air-conditioning, air cooling and ventilation apparatus and instruments; Insulation tape for use on pipes and other air conditioning, refrigeration, heating, and ventilation equipment; Ducts; Air cleaning units; air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Aerosol spray for cleaning condenser coils of air filters for air conditioning, heating and air filtration units; pressure washing machines; air exchangers for cleaning and purifying air; Power-driven cleaning device for industrial air pollution control equipment, namely, a device that produces high intensity impulse waves that loosen collected or impacted dust and debris without damaging the equipment; Filters for air conditioning; Air filters for air conditioning units; Commercial and residential air-duct cleaning; furnace cleaning; pressure washing, namely, the flushing of cooling, heating and air-conditioning generator coils in residential and commercial heating, ventilation and air conditioning (HVAC) systems; cleaning commercial and residential exhaust systems, namely, cleaning laundry dryer exhaust systems for residential and commercial buildings; cleaning stale air exhaust systems for fresh-air make-up systems for commercial buildings; cleaning dryer exhaust systems and heat recovery ventilation systems in residential buildings; air quality control and testing; Commercial vent cleaning; dryer vent cleaning; technical air quality monitoring services; filter maintenance; filter replacement; boiler cleaning; dust collection system cleaning; coil cleaning; duct sealing; Franchise services, namely, offering business management assistance in and providing financial information and advice regarding the establishment and/or operation of indoor air quality monitoring and cleaning service businesses; Advice in the running of establishments as franchises; Administration of the business affairs of franchises; Franchising services, namely, planning and design of information technology systems for business franchises; Assistance in franchised commercial business management; Business management advisory services relating to franchising; Franchising, namely, consultation and assistance in business management, organization and promotion; Certification program; Source vacuum removal service; Dust collection system cleaning; air conditioner apparatus cleaning