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 A gas fireplace that needs ventilation will cost upwards of $350 to $800. 2  This price does not include the installation itself. 3  A fireplace that does not require ventilation, it can cost $500 to $2,500. 4  A direct vent fireplace that vents through a hole in a wall can cost $1,400 to $4,000 not including labor. The price varies based on the design and the energy output of the fireplace itself. 2  For example, a Lennox 42 inch stainless gas fireplace is big and powerful enough to provide enough heat in a house. 3  These are priced from $2,400 to $3,700.