At Green Heat we are unequivocally committed to quality and fairness. Our staff consists of experienced, highly trained and licensed professionals who have expert knowledge in heating systems, energy efficiency and indoor air quality assessment. The state of California requires a specific license in order to lawfully do business in the area of heating and cooling systems. www.greenheatservice.com provide Heating & cooling, duct cleaning and carpet cleaning services all over the Greater San Francisco Bay area including East Bay, Marin and the Peninsula and establishing our additional offices in Chicago greater area and Seattle.