BUSO

Heating and ventilating apparatus, namely, circulating water based space heating apparatus, heating systems composed primarily of tubes, pipes and pre-assembled manifolds through which cold or low temperature water circulates; heating and ventilating installations, namely, circulating water heat collectors for use in heating, cooling and ventilating apparatus, ventilating exhaust fans; sanitary installations, namely, pipes being parts of sanitary facilities, ozone sanitizers for air and water, urinals, toilets, toilet bowls, sinks

Installation and maintenance of heating, ventilation and sanitary installations