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.
Cost of ventless gas fireplaces. Yeager charges around $900 for a ventless gas fireplace installation that includes gas logs, which typically cost between $200 and $300 if purchased separately. Gas logs for vented fireplaces cost $1,200 to $1,400, he says. Swerdlin, whoâs only licensed to install vent-free fireplaces in Maryland, says the fireplaces have improved over time and remain a convenient option. âThere are no liners you have to deal with and no chimney issues,â he says. â[Low] cost and heat are the top reasons people want them.â.