Arrived onsite to customers home to provide pricing to install air conditioning, provided multiple options, customer is going to speak to her husband. American standard units come with a 5 year warranty on parts, but can be registered with the manufacture within 60 days for up to a 10 year warranty on parts. The American standard gas furnace carry the same parts warranty and a 20 year heat exchanger warranty. American standard goes off of silver, gold and platinum efficiency systems. Line voltage electrical work is excluded in the estimates. We recommend Jewell Electric as an electrician (360)202-6945 Thank you for choosing CPI Plumbing and Heating Inc.