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.
1 On average, a gas furnace can cost $500 to as much as $10,000 installed. 2  A floor gas furnace can cost $800 to $1,600 depending on the brand. 3  This does n0t include the installation cost. 4  A gas furnace that uses a central heating system can cost $1,000 to $3,500.