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 blanket can raise the temperature of your pool anywhere from 10 to 15 degrees F-for between $75 and $150. Solar pool blankets might actually be thought of passive solar heating for your pool. They capture the heat of the sun in several different ways: Absorbent coloring increases solar heating.