Basement ventilation, radon and harmful gas mitigation, humidity reduction, and air quality control system comprised of air flow ventilation infrastructure, namely, piping and dampers, air exhaust equipment, antimicrobial spray treatment, and climate and environmental monitoring and support equipment; crawlspace ventilation, radon and harmful gas mitigation, humidity reduction, and air quality control system comprised of air flow ventilation infrastructure, namely, piping and dampers, air exhaust equipment, antimicrobial spray treatment, dehumidifier, and encapsulation sheeting; consultation in the field of a basement ventilation, radon and harmful gas mitigation, humidity reduction, and air quality control system; consultation in the field of a crawlspace ventilation, radon and harmful gas mitigation, humidity reduction, and air quality control system

Foundation, chimney, footer, porch stoop, slab floor, and wall repair services; consultation services in the fields of foundation, chimney, footer, porch stoop, slab floor, and wall repair; installation and maintenance in the field of a basement ventilation, radon and harmful gas mitigation, humidity reduction, and air quality control system; installation and maintenance in the field of a crawlspace ventilation, radon and harmful gas mitigation, humidity reduction, and air quality control system; remodeling of basements; consultation in the field of basement remodeling; construction management