Contact US

If you have general comments and questions about COSA or the programs we offer, contact us:

Carbon Monoxide Safety Association
P.O. Box 669
Eastlake, CO 80614-0669

(800) 394-5253 phone
(800) 546-3726 fax

Office Hours

Monday - Friday ~ 8 A.M. - 4P.M. (Mountain Time)