Air Duct Cleaning Services Archives | OHA Heating and Air

Air Duct Cleaning | OHA Heating and Air

Indoor Air is Dirtier Than Air Outside The quality of indoor air is found to be about 70 times more polluted than outdoors[1]. Yes, that is right. What makes it even worse is that people spend approximately 90% of their time indoors, according to the American Lung Association[2]. It amplifies the adverse effects, exposing people […]