The cause is not known. There is also secondary Raynaud's, which is caused by injuries, other diseases, or certain medicines. People in colder climates are more likely to develop Raynaud's. It is also more common in women, people with a family history, and those over age 30.
Gas Fireplace Average Costs. The actual cost to install a gas fireplace may vary depending on your location, the product selected, complexity of the installation process, additional accessories purchased, and other options. Top vented gas fireplace inserts cost $750 to $3,000, and installation adds another $500 to $1,000.
Direct vent appliances, he said, sell for $600 to $1,000, while B-vent fireplaces generally cost from $350 to $500, excluding the cost of the necessary venting. Most gas-fireplace manufacturers make both stand-alone units and inserts that can be installed in an existing fireplace.