1 Then, on your itemâs page in Greenlight, under Owner Controls in the right-hand column, there is a link to Add/remove Contributors.  Click the link and select anyone from your Steam Friends list to add as contributors.
A solar pool heater can range in cost from about $3,500 to $8,000 with the average system costing around $5,500.here are three types of pool heaters to choose from solar, gas and electric: A solar pool heater can be installed for $3,500 to $8,000. Since the sun is free, it will cost you nothing to heat your pool from April through November.
The heat is absorbed by water in nearby pipes, which carry the heat to a waiting container. These systems cannot fully substitute for an existing water heater--they cannot make the water hot enough--but they can certainly help. In 2010 a home solar water heater costs at least $1,000. Swimming pool versions cost several thousand dollars more. A full solar heating system designed to transform the sun's rays into heat for a home's air (and usually water as well) is much more expensive than a supplemental water heater.