Change: ===========================================] SOLAR POOL HEATINGhttp://www.homepower.com/view/?file=HP113_pg30_Marken If you have a pool and can’t wait for the summer swimming season to start, a solar pool-heating system may be exactly what you need. Besides extending the season by boosting the pool’s temperature, these relatively inexpensive, simple systems are efficient, durable, and virtually   View changes from previous version. (Word count: 268)

Change: If you have a pool and can’t wait for the summer swimming season to start, a solar pool-heating system may be exactly what you need. Besides extending the season by boosting the pool’s temperature, these relatively inexpensive, simple systems are efficient, durable, and virtually maintenance free. Even   View changes from previous version. (Word count: 99)