Hazardous chemicals can induce a hot zone, as occupants are in danger of it disrupting their biological processes. For example, if while driving down a highway, an oil tanker gets into a car accident and spills its load on the pavement and surrounding grass areas, those areas affected will be considered hot zones.
Costs to convert wood fireplace to gas. Installing a gas line and either vented or vent-free gas logs will cost from $500 to $2,500. (Note that the cost of installing vent-free gas logs is often about $200 more than the cost for vented.) Gas inserts cost $2,000 to $5,500. Expect to pay more for fireplace installation if workers are challenged to get the gas line to your fireplace.
Gas fireplaces cost anywhere from $2,000 to $5,000 for an installation, depending on the vented or vent-free option selected. Repairs for a gas fireplace can be close to $130, depending on the maintenance needed and manufacturer. In addition, gas fireplaces cost anywhere from 17 to 20 cents an hour to produce a flame.