Mar

31

Tankless or Not? How to Choose a Hot Water Heater

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This short article from the US Department of Energy website consists mainly of links to more detailed articles that may be useful in helping you choose what kind of water heater (or heaters – we have a solar heater and then a tankless unit) will be most useful to you. (The article is in the public domain and thus I can legally copy it here.) -- Lou

Selecting a New Water Heater

You have a lot to consider when selecting a new water heater for your home. You should choose a water heating system that will not only provide enough hot water but also that will do so energy efficiently, saving you money. This includes considering the different types of water heaters available and determining the right size and fuel source for your home.

Types of Water Heaters

It's a good idea to know the different types of water heaters available before you purchase one:

Selection Criteria

When selecting the best type and model of water heater for your home, you also need to consider the following:

  • Fuel type, availability and cost
    The fuel type or energy source you use for water heating will not only affect the water heater's annual operation costs but also its size and energy efficiency.
  • Size
    To provide your household with enough hot water and to maximize efficiency, you need a properly sized water heater.
  • Energy efficiency
    To maximize your energy and cost savings, you want to know how energy efficient a water heater is before you purchase it.
  • Costs
    Before you purchase a water heater, it's also a good idea to estimate its annual operating costs and compare those costs with other less or more energy-efficient models.

Learn More

Codes & Standards
Financing & Incentives
Product Information

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