cost of installing pool heater
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.