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.
A solar pool heater can be less expensive up front than an electric heater, heat pump, or gas heater, depending how large your pool is. Once a solar pool heater is installed, you heat your pool for free. With an electric or gas heater you need to pay the electric or gas company depending on how much you use the heater.