Founded in 1950, Christianson. Air Conditioning Plumbing and Lawn Irrigation is a mechanical contracting company. It serves various homeowners and homebuilders in the residential sector. The company offers a range of indoor air and water quality products. Christianson. Air Conditioning Plumbing and Lawn Irrigation provides installation services for lawn irrigation systems. It offers various reverse osmosis and water softener systems. The company also offers heating, ventilating and air conditioning, as well as plumbing services. Christianson. Air Conditioning Plumbing and Lawn Irrigation provides financial assistance through third-party lending institutions. Additionally, the company offers technical support services, as well as online finance application forms.