How Much Does A Water Heater Weigh?

Just how much does a water heater weigh? Water heaters are very important parts of your home. You need these heaters in order for your home to be able to function normally. Whether you’re talking about taking a hot shower or being able to heat up your home, this is a crucial piece of equipment. There are a lot of different hot water heaters on the market and people are curious about how much a hot water heater actually weighs.

Honestly, the answer to that question depends on certain factors. There are different sizes of hot water heaters and this is going to impact the weight. Take a look at the information below in order to learn more. You’ll be able to see how much water heaters weigh at different sizes and this should give you the answer to your burning question.

How Much Does A 40-Gallon Water Heater Weigh

An average 40-gallon water heater is going to weigh around 120 pounds. Of course, this can vary somewhat depending on certain factors. This is a very common type of water heater that people have in their homes. If you need a water heater for a single-family home, then this size might work out perfectly. It isn’t the largest water heater on the market but it isn’t the smallest either.

How Much Does A 75-Gallon Water Heater Weigh

A 75-gallon water heater is going to weigh significantly more than a 40-gallon water heater. Common 75-gallon water heaters might weigh as much as 320 pounds. There will be some variations on how much they will weigh but you can expect them to weigh somewhere over 300 pounds. Water heaters such as this are often used in commercial spaces and they can be used to heat very large residential properties as well.

How Much Does A 30-Gallon Water Heater Weigh

A 30-gallon water heater is going to be among the smallest that you’ll see being used in a home. These water heaters might even weigh a little bit less than 100 pounds. You can find popular 30-gallon water heaters that weigh in at 95 pounds. This type of water heater should work out fine for heating a very small space but it isn’t going to be as practical for slightly larger environments.

How Much Does A 100-Gallon Water Heater Weigh

A 100-gallon water heater is going to be among the heaviest that you will find on the market. These water heaters can weigh anywhere from 300 pounds to 400 pounds. As you might expect, water heaters such as this are going to be most commonly seen being used in commercial spaces. They’re very large and they can heat up big spaces quite easily.

Weight of 50-Gallon Water Heater

A 50-gallon is going to be an option that you’ll turn to when a 40-gallon water heater isn’t quite enough for your needs. It weighs just a bit more and could wind up being around 160 pounds. As always, these numbers can differ depending on the model. Regardless, you should expect a normal 50-gallon water heater to be somewhere around 160 pounds.

Weight of 80-Gallon Water Heater

An 80-gallon water heater isn’t going to be the most common sight but these are still popular enough to be worth mentioning. These water heaters vary in weight but they might be around 190 pounds. Units such as this can be very useful for heating up large spaces. You might find them being used in certain businesses and they can still be practical for large residential properties too.

Weight of 20-Gallon Water Heater

A 20-gallon water heater is likely to be the smallest water heater that you’ll find to be useful in a house. This is only really going to be practical to use in a home that is small. It can provide hot water and heat for one or two people in a small environment. You should expect a 20-gallon water heater to weigh around 70 pounds.

Weight of 10-Gallon Water Heater

10-gallon water heaters are pretty small and they might not be too useful for heating homes. Some people will use these to heat tiny houses that don’t have a lot of space to fit larger hot water units. They can also be good for small apartments that don’t have a lot of space that needs to be heated up. Expect a 10-gallon water heater to weigh approximately 46 pounds but remember that this can vary based on the type of unit that you’re buying.

Tips for Transporting a Water Heater

If you need to move a water heater or if you’re transporting a new one yourself, then you’re going to want to use a dolly. Even the lightest water heaters are going to weigh quite a bit. This is going to make it difficult to pick them up by yourself. Even if you have help, it’s possible to encounter problems when lifting something that is well over 100 pounds.

The easiest way to move a water heater where it needs to be is to use a sturdy dolly. You can find many heavy-duty dollies on the market that can do the job. They’ll be able to make it so that you can move the water heater in a practical way. It’ll save you from injuring your back and you’ll be ready to get things working again in no time.

You Might Want Professionals to Install Your Water Heater

Installing a water heater is a bit of a complex job. If you want to make things as easy as they can possibly be, then you should consider calling in professionals. They’ll be able to take care of things quickly so you can get your hot water hooked up right. You won’t have to worry about carrying a water heater or moving it around when you call in the experts.

A simple call can take care of your water heater woes. Don’t hesitate to speak to your local water heater business when you are in need. They will be happy to assist you with everything that you need to have done and you’ll be able to move forward. Water heaters are a crucial part of your home so it makes sense to want to ensure that they’re installed correctly.


An average water heater weight is going to be somewhere around 150 pounds but this is going to vary based on different factors. Even the numbers given above are going to vary somewhat depending on the model of hot water heater that you’re using. Even so, you can use these numbers as a general guide that will be pretty accurate. It’ll help you to know how much weight you can expect when you own a 40-gallon water heater or a 100-gallon water heater.

If you want to determine the weight of a water heater that is filled with water, then you can do some simple math. One gallon of water weighs 8.34 pounds. If you use multiplication, then you’ll easily be able to tell how much weight the water is going to add to your water heater.

Now that you understand how much an average hot water heater weighs, it’s going to be easier to plan ahead. You should also remember that the numbers being given above are assuming that the water heater is empty. The water heater would be even heavier if it was full of water but you should not be moving a water heater when it is full anyway. Just be prepared when you’re getting ready to move the water heater and everything will turn out fine.