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.
Floating Solar Heaters for Pools. Using solar power to heat a swimming pool saves on electric bills and helps reduce demands on the community power grid. Simple, do-it-yourself solar heaters that float on top of the pool and warm the water underneath are within the reach of almost any pool owner.