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.
What is the payback of a solar pool? If you are currently using a gas or electric pool heater, the savings from solar pool heating system will pay for itself in 2-3 years of installation. For example, the average system costs about $5,500 and it typically costs about $2,000 a year to heat a pool with gas.The payback period would be only 2.75 years in this particular instance.or example, the average system costs about $5,500 and it typically costs about $2,000 a year to heat a pool with gas. The payback period would be only 2.75 years in this particular instance.