Thread: Improving the AC system's efficiency
View Single Post
Old 04-13-2019, 03:57 PM   #21 (permalink)
EcoCivic
Master EcoModder
 
Join Date: Jul 2017
Location: Memphis, Tn
Posts: 466
Thanks: 323
Thanked 108 Times in 82 Posts
Quote:
Originally Posted by teoman View Post
Natural?
Yes. Propane and butane are naturally occurring gases
  Reply With Quote