Book excerpt: A tankless water heater can be an economical way to heat water for the home. Home water heating consumes a large portion of a home’s energy use. Standard water heaters use energy by heating a large storage tank of water and keeping it warm for long periods. Homeowners looking for tankless water heaters will find both gas and electric models. Both have their advantages and disadvantages. Potential buyers need to research their needs before deciding which type of tankless water heater to purchase. A Guide to the Tankless Water Heater will help you in this decision. Not meant to be a detailed installation guide, the book will outline the needs, advantages and disadvantages of each type of tankless water heater and decide which type will best fulfill their home water heating needs. The Home Guide Basics Series of books will explain the basic operation, options and systems of many appliances used in the home. The series will include books on rechargeable batteries, tankless water heaters, robotic vacuum cleaners, laminate floors, radiant heat, solar power, alternate energy sources, water filtration, solar garden equipment and more. tankless water heater, water heating, home water heat, home water heating, gas tankless water heater, electric tankless water heater, compact water heater