Quick Answer: What Size Water Heater Do I Need For A Family Of 4?

How do I know what size water heater I need?

Look for a sticker on the side of your water heater.

It should have the serial number and other information as well as the gallon capacity listed.

This is the capacity of your water heater.

Using a tape measure, measure the height of your water heater from its base to the top..

Is a 40 gallon hot water tank big enough?

A hot water heater that has an FHR within a couple gallons of the number you just calculated should meet your family’s needs. … 2-3 people need a 40-gallon water heater. 3-4 people need a 40-50 gallon water heater. 5 or more people need a 50-80 gallon water heater.

Why does my hot water only last 5 minutes?

Hot water would last only a few minutes and then only cold water would be coming out. … So the problem, especially with older water heaters is pretty common. So, if your water heater is “of a certain age” chances are you’ve got a broken or disintegrated dip tube and you need to replace it.

How many showers can you put in a 50 gallon water heater?

A 50 gallon water heater is the most common tank we install. It is such a common size because it can supply hot water for 3 – 5 people. Considering an average shower uses 17.2 gallons of water you can typically have enough hot water for up to five people to take a shower within an hour.

Which is better tankless or tank?

According to Energy.gov, “For homes that use 41 gallons or less of hot water daily, demand (or tankless) water heaters can be 24% to 34% more energy efficient than conventional storage tank water heaters.” Tankless water heaters (if gas-fired) will save homeowners over $100 annually the longer they remain in service.

What uses more water a bath or shower?

Generally, taking a shower uses less water than a full bath. A standard showerhead flows at a rate of 2.5 gallons per minute. This means that a ten minute shower only uses 25 gallons of water. A full bath can use up to 70 gallons of water.

Is 40 gallon water heater enough for a family of 4?

Typically, the rule-of-thumb is that you want a 40 gallon tank for 1 to 4 people, a 50 gallon tank for 4 to 6 people, and a 50 gallon high recovery or 75 gallon tank for 6 to 8 people. Energy consumption for 40 and 50 gallon standard water heaters is quite comparable.

How long does a water heater last on average?

about 8 to 12 yearsRepair or Replace Follow our tips to troubleshoot your gas or electric water heater issues and learn how long a water heater should last. Based on the manufacturer’s suggested service life, the life expectancy of a water heater is about 8 to 12 years.

How many gallons are used in a 15 minute shower?

120 gallonsSo how many gallons of water does an average 15 minute show use? A typical 15 minute shower will use 120 gallons!

Can a tankless water heater fill a tub?

A small tankless water heater can take a long time to fill a large tub. … Third, if for some reason a larger water heater cannot fit, and the properly sized tankless is too expensive, you can add a second standard water heater next to your present tank. Two smaller water heaters can do the job of one big water heater.

What size tankless water heater do I need for a family of 4?

Sizing Guide for Residential Tankless Water heaterHousehold OccupantsUsageCapacity Required (Measured in Gallon)2-3 peopleHigh40-503-4 peopleRegular/Low40High50-756 more rows

How long can you shower with a 40 gallon water heater?

How Much Hot Water Does a Shower Use? A 40-gallon water heater can provide up to 2 showers in an hour (if you’re not using any other water appliances).

Is a 10 minute shower too long?

Showering for too long Between the steam, streaming water, and warmth, it’s tempting to spend 15, 20, even 30 minutes in the shower, but many experts say anything more than 10 minutes is too much. “You shouldn’t shower for more than 5 to 10 minutes,” says Dr.

Is a 50 gallon water heater enough for a family of 4?

For 1 to 2 people: 30-40 gallons. For 2 to 3 people: 40-50 gallons. For 3 to 4 people: 50-60 gallons. For 5+ people: 60-80 gallons.

What brand of water heater is the most reliable?

15 Best & Most Reliable Water Heater Brands in the WorldEcoSmart. … Navien. … Noritz. … Reliance. … Rinnai. … Stiebel Eltron. … Takagi. … Whirlpool. Whirlpool is a brand that is probably most famous for making washing machines as well as a range of other household appliances.More items…

Why are showers better than baths?

“The only benefit (to baths) is its ability to easily apply certain ingredients to skin,” Nazarian explained. … If you don’t have a skin condition, showers are the way to go. Showers expose thebody to less water than a bath. Too much water, like during a bath or a long shower, can strip the skin of natural oils.

What is the longest lasting water heater?

THE LAST WATER HEATERYOU’LL EVER NEED TO BUY Its award-winning construction makes the Rheem® Marathon® water heater the most durable electric water heater ever made. And its industry-best warranty makes it a smart purchase you can count on for years to come.

What is the downside of a tankless water heater?

The primary disadvantage of on demand or instant hot water heaters is the upfront cost. The smaller units that you often see won’t produce enough hot water to serve most households. They’ll only serve one faucet at a time—a problem if you want to shower while the dishwasher is running.

Are tankless water heaters worth it?

The U.S. Department of Energy estimates gas-fired tankless heaters save an average of $108 in energy costs per year over their traditional tank counterparts, while electric tankless heaters save $44 per year. … Rewiring your house can easily add as much as $5,000 to the cost of installing a tankless water heater.

What uses the most water in your home?

An average American family uses more than 300 gallons of water daily—70 percent of which occurs indoors. The largest use of household water is to flush the toilet, followed by taking showers and baths. Toilets account for nearly 30 percent of an average home’s indoor water consumption.

How many gallons of hot water does a shower use?

Worksheet for Estimating Peak Hour Demand/First Hour Rating *UseAverage gallons of hot water per usageShower10×Shaving (.05 gallon per minute)2×Hand dishwashing or food prep (2 gallons per minute)4×Automatic dishwasher6×2 more rows

Why do I run out of hot water so quickly?

Water Heater Runs Out Of Hot Water Quickly: Possible Reasons Why. As mentioned above, several things can cause a home’s hot water supply to run out faster than it should. The three most common culprits are sediment build up, a faulty heating element and a broken dip tube.

What is the best hot water tank to buy?

We researched the best tank, tankless, gas, and electric water heaters on the market to help you find the right one for your home’s needs.Best Electric with Tank: Rheem Elements Electric Tank Water Heater. … Best Electric Tankless: Ecosmart ECO 11 Electric Tankless Water Heater. … Best Gas with Tank: Rheem Natural Gas.More items…•

Should I replace my 15 year old water heater?

Anyway, you should consider replacing your water heater if it’s about 6-12+ years old and when you start running out of hot water faster. However, age and lack of hot water aren’t everything. You could have a 15-year-old water heater that works just fine and wouldn’t need replacing. … Issues with the public water supply.

How long should hot water last in a 50 gallon tank?

The average shower uses 2 gallons of water per minute, so that same 50-gallon tank is good for a little less than 17 minutes of hot water. Tip: As a general rule of thumb, you should aim for a tank capacity of 10-15 gallons per adult in your house.

How much water does a 20 minute shower use?

So, the tub is rarely filled to capacity before taking a bath. A low-flow showerhead uses about two gallons a minute, or 20 gallons for a 10-minute shower. A standard showerhead uses 2.5 gallons a minute, or 25 gallons for 10 minutes.

Is there a big difference between a 40 gallon and 50 gallon water heater?

The Energy Factor The recovery rate is a measure of how efficiently heat is transferred from the heat source to the water. … With the energy factors being equal, the difference in cost of running a 50-gallon heater over a 40-gallon heater is essentially insignificant.

How long does it take for a 40 gallon water heater to fill up?

Usually, it would only take 10-15 minutes to have the water ready for heating. It is not always required to fill it immediately, but it’s efficient to do so to start the water heating process. The water heating process usually takes around 2-3 hours, depending on the type of water heater you have at home.

Is Rheem or AO Smith better?

They also offer a comprehensive variety of different water heaters and are known to be of very high quality and very practical as well. However, while AO Smith is known for its customer service, Rheem is not. … Overall, AO Smith is probably the better choice for gas water heaters, but only by a fraction.

Is a tall or short water heater better?

The major differences are height, gallon capacity and required height for plumbing connections. Tall water heaters range are about 16 inches taller, can hold up to 50 more gallons of water and require 10 inches more height for plumbing connections. Other than that, there is no distinguishable difference in performance.