HERE’S A QUESTION to ponder: Which is the best method for piping two water heaters together — parallel or series? In a number of homes, we’ve had to correct improperly piped twinned water heaters and, ...

The right water heater for your home will keep your showers comfortable and your utility bills low. By Timothy Dale Updated Feb 24, 2025 9:31 PM EST We may earn revenue from the products available on ...