Coupons GAS HOUSE PROPANE CORP. 20# Refill$17.50 plus tax WITH COUPON expires 12/31/25Not valid with other offers GAS HOUSE PROPANE CORP. 50% off In-Home Propane Safety Check. WITH COUPON expires 12/31/25Not valid with other offers. Regular Price $99.95 GAS HOUSE PROPANE CORP. $5.00 off30# - 100# Refills WITH COUPON expires 12/31/25Not valid with other offers (lift truck not included)