All you need to know is one of two things: either the BTUs of your fireplace or insert, or you can choose from a list of Heat & Glo models. The Gas Appliance Cost .
A gas-burning fireplace insert heats 1,000 to 3,000 square feet, depending on its size. Talk to your insert dealer about the size of your existing fireplace and what heating capacity you can expect from an insert. Inserts cost $3,000 to $4,000, including installation and a chimney liner.
The cost can can set you back about $2,000 to $4,000 (pro install included), depending on the state of your existing chimney (does it need relining?) and the model you select.
Installation Considerations; Wood Stove Types; Wood Stove Inserts. For instance, a vent-free gas fireplace costs $400, on average, but the installation bill can .
Inserts cost $1,200-$2,900, with professional installation adding another $600-$ 1,000. A direct-vent gas fireplace doesn't need a chimney and is a way to add a .