Posts Tagged ‘HVAC systems’

[vc_row][vc_column][vc_single_image media=”102105″ media_width_percent=”100″ uncode_shortcode_id=”206594″][vc_column_text] Humans have been utilizing the thermal qualities of dirt since our very beginnings. Paleolithic cavemen were, obviously, known for living in caves because they were simply the best places to live. Caves remained cool in the summer and warm during the winter due to the massive thermal storage capabilities of the…