'Tips for purchasing a tankless water heater,' from Paso Robles' Quality 1st Plumbing & Drains

Tankless water heaters have been around since the 1930s and entered the U.S. market in the 1970s, rapidly gaining popularity starting in the 1990s. Quality 1st Plumbing & Drains, always at the forefront of plumbing technology, recently released the top tips for purchasing the best...