How the Excretory and the Respiratory system work together How the Excretory and the Circulatory system work together How the Excretory and the and the Digestive system work together
1 Top vented gas fireplace inserts cost $750 to $3,000, and installation adds another $500 to $1,000. 2  Direct-vent gas fireplaces cost $1,000 to $3,500, plus $500 to $1,000 for installation.
1 This does not include the cost of any gas-line work needed. 2  Installation costs for a top-vented gas fireplace: Approximately $300 to $1,200.  Direct vent gas fireplace installations: These are more expensive and can cost up to $5,000.