Consumer Contact:
Viessmann at 800-288-0667 from 8:30 a.m. to 5 p.m. ET Monday through Friday, by email
[email protected] or online at www.viessmann.com and click on “Important Notice” located in the middle of the homepage for more information.
Retailers:
Viessmann Authorized Dealers from September 2014 through October 2018 for between $2,700 and $4,200.