For years we confidently recommended tankless water heaters. This recommendation was backed up by quite a bit of well documented research that was easily understood from a theoretic perspective. Conventional water systems keep all of that water hot all of the time. New research shows that the truth is somewhat counterintuitive. This article does a nice job of explaining the problem with tankless water heaters.
Tankless Water Heaters No Longer our Recommendation
Nov 29, 2012