 Well, if you have a swimming pool, you know how much fun they can be, but you also know how expensive they can be to keep heated, run efficiently, maintain, all of the things. So to help, we've got three tips on how you can reduce those costs but still enjoy that pool. Now, first, one of the easiest and most effective ways to lower your pool heating costs is to use a swimming pool cover. You know, a pool cover helps to retain heat and reduce evaporation, which means you won't need to use as much energy to keep that water warm.