List of largest stars. Not to be confused with List of most massive stars. Below is a list of the largest stars so far discovered, ordered by radius. The unit of measurement used is the radius of the Sun (695,700 km; 432,288 mi).
1 According to HomeAdvisor.com, the average cost nationwide to repair a swimming pool heater is about $400 to $600.2  Based on the type of repair and local pricing, however, actual repair costs could be significantly higher or lower. 3  A recommended annual pool heater tune-up costs $100 to $200.eated pools allow for a longer swimming season than non-heated pools, but they have a higher cost of ownership. In addition to the fuel needed to run a swimming pool heater (at least if itâs electric or gas; free-energy solar heaters are also available), mechanical upkeep is also required.
1 Overall, pool heater installation can cost from as little as $100 to as much as $3000. 2  One of the common brands, Gas pool heaters for pools range from $700 to $2,100 depending on brand and size. According to an article on blog.poolproducts.com, the main thing that affects the price of a pool heater is the type you purchase. 2  The brand name can also change the price, as can the company performing the installation. 3  Overall, pool heater installation can cost from as little as $100 to as much as $3000.