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3 Differences Between a Boiler and a Water Heater

A lot of people use the word "boiler" for any variety of water-heating appliance. However, a boiler does not work like a water heater, and vice-versa. Confusing the two can complicate the troubleshooting process. Let's take a look at three differences between a boiler and a water heater:

1. A boiler heats water rapidly

Boilers, which are full of copper tubes, are complex heating appliances. They heat water rapidly for two different users: hot water and home heating. A boiler system heats water to the point that it boils, and the steam is used to transport heat throughout your house.

2. A water heater heats and stores water

Water is usually heated to approximately 125 degrees. It's kept at a consistent temperature until it's needed -- aka when someone in your home takes a shower, washes the dishes or does laundry. Water is pulled from the top of the tank and pushed through your pipes. Cold water then fills the bottom of your water heater to be heated.

3. A heat-pump water heater is more efficient

This type of water heater pulls heat from the air, making it more economical. However, it costs more and may require more maintenance. Keep this in mind when choosing the right water heater for your home.


There are more differences between a boiler and a water heater. To learn about them, call Rusk Heating & Cooling at (859) 405-0414 or 513-771-4040. Don't forget to connect with Rusk Heating & Cooling on Facebook, Twitter and Google+ as well!