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For a four-person family, a 50-gallon water heater is sufficient. 50-gallons is good if you’re using electricity, and 40 gallons will work for natural gas or propane. Families with more than five persons may benefit from an 80-gallon electric water heater or 50-gallon gas water heater.You don’t have to worry about running out of hot water with a larger tank. 50-gallon water heaters have a longer lifespan. In general, 40-gallon heaters last for about eight years, while 50-gallon heaters can last 12 years. This is because 50-gallon heaters have thicker tanks.Start with Your Household Size
So, for a family of 4–5 people, you will need to get a tank that is able to hold at least 50–60 gallons. For a family that is bigger than 5, you will need to look for tanks ranging up to 80 gallons.
- 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.
Table of Contents
Is a 50 gallon hot water heater enough for a family of 4?
For a four-person family, a 50-gallon water heater is sufficient. 50-gallons is good if you’re using electricity, and 40 gallons will work for natural gas or propane. Families with more than five persons may benefit from an 80-gallon electric water heater or 50-gallon gas water heater.
Which is better 40 or 50 gallon water heater?
You don’t have to worry about running out of hot water with a larger tank. 50-gallon water heaters have a longer lifespan. In general, 40-gallon heaters last for about eight years, while 50-gallon heaters can last 12 years. This is because 50-gallon heaters have thicker tanks.
What Size Water Heater Do I Need? Solved! | Water Heaters 101
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What size water tank do I need for a family of 4?
Start with Your Household Size
So, for a family of 4–5 people, you will need to get a tank that is able to hold at least 50–60 gallons. For a family that is bigger than 5, you will need to look for tanks ranging up to 80 gallons.
What size hot water tank should I have?
A small (50- to 60-gallon) storage tank is usually sufficient for one to two three people. A medium (80-gallon) storage tank works well for three to four people. A large tank is appropriate for four to six people.
How many showers can you have in a 40 gallon tank?
A 40-gallon water heater can provide up to 2 showers in an hour (if you’re not using any other water appliances).
How long can you shower with a 50 gallon water heater?
A 50 gallon hot water heater with a temperature set around 120-140 degrees Fahrenheit will allow you to shower for around 17 minutes before you will run out of hot water. A average shower time is just under 8 minutes and uses about 16-17 gallons of water depending on your shower head and water flow.
Can I replace a 40 gallon water heater with a 50 gallon water heater?
If you are running out of hot water with a 40 gallon tank, it is often possible to upgrade to a 50 gallon tank without much modification. It typically requires a couple of extra inches of available width for the tank.
See some more details on the topic How do I calculate what size water heater I need? here:
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How to Size a Water Heater – Sizing Tips and Charts
When sizing tank-type water heaters, the main criteria are the tank capacity and recovery rate (in gallons per hour – GPH), while for tankless is the hot water …
Does a larger water heater cost more to operate?
With the energy factors being equal, the difference in cost of running a 50-gallon heater over a 40-gallon heater is essentially insignificant.
What’s the difference between a short and tall water heater?
How tall is a standard water heater? Tall water heaters reach up to 76 inches, and short water heaters top out at 49 inches.
How do I calculate how much water I need for my house?
Water tank size for family of 2:- for a standard normal house, an estimated 200 litres per person is the thumb rule. so for a family of 2 members would be needing 400 litres of water per day and their minimum size of water tank is 1.2m × 0.58m × 0.58m in respects of its depth, Length and width of 400litres capacity.
How many gallons of hot water does a shower use?
The average American shower uses 17.2 gallons (65.1 liters) and lasts for 8.2 minutes at average flow rate of 2.1 gallons per minute (gpm) (7.9 lpm).
What is a standard water heater size?
Most homes have either a 40-gallon or a 50-gallon water heater. Larger tanks are generally used in homes that have a hot tub, or with serious hot water demands.
What Size Water Heater Do I Need? Ask-A-Plumber: Episode 19
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What size water heater do I need for a family of 5?
Water Heater Sizes
For example, a family of 3 to 4 people should purchase a 50 – 60 gallon water heater. On the other hand, a household with 5 – 7 people may require a water heater with a 60 – 80 gallon water tank.
How many BTU do I need for my water heater?
Calculate the Btu. If you have a 40-gallon water heater, that is 40 multiplied by 8.33, or 333.2 pounds of water. So you need 333.2 Btu to raise the water 1 degree Fahrenheit. However, most areas need more than one degree of heat added to the water to make it warm enough for showering or washing clothes or dishes.
How long does a 30 gallon water heater last?
Based on the manufacturer’s suggested service life, the life expectancy of a water heater is about eight to 12 years. That varies with the location and design of the unit, quality of installation, maintenance schedule and water quality.
How long should shower stay hot with 40 gallon water heater?
Typically with a 40 gallon hot water tank your hot water should last about 20 minutes. This would be assuming that the hotline was 100% over on the hot side. If you mix the hot water then you can get up to 45 minutes of shower time on a 40 gallon tank.
How much water does a 20 minute shower use?
How much water you use during a 20-minute shower will depend on what type of shower system – and in particular, showerhead – you have installed. Low-flow showerheads will emit around two gallons of water per minute, equating to 20 gallons per 10-minute shower, and 40 gallons over the course of a 20-minute shower.
Is a 40 gallon water heater big enough?
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.
Why does my shower run out of hot water so fast?
The most likely reason for your showers running out of hot water too fast is that your water heater is too small for your home’s demands. Standard water heaters come in different sizes based on their “first hour rating.” This rating describes how many gallons of hot water a unit can produce in one hour.
Which 50 gallon water heater is the best?
- Westinghouse Ultra-High Efficiency/High Output Water Heater. …
- A.O. Smith GCG-50 ProMax Gas Water Heater. …
- A.O. Smith GPVT 50-Gallon Gas Water Heater. …
- Reliance 6-50-EORT Electric Water Heater. …
- A.O. Smith GCR-50 ProMax Gas Water Heater. …
- Rheem Performance Platinum Gas Water Heater.
Should I replace my water heater before it fails?
Unless you replace this rod every few years, your water heater could begin taking a beating. If the tank rusts through, it could fail catastrophically and flood your home. You can avoid this disaster by replacing your water heater before it fails.
What size water heater do I need for a 3 bathroom house?
For 2 to 3 people: 40-50 gallons. For 3 to 4 people: 50-60 gallons. For 5+ people: 60-80 gallons.
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Can I replace a 40 gallon water heater with a 60 gallon?
Make sure your electrical system permits the connection of a water heater. If you are replacing a 40-gallon water heater with a 60-gallon one, or if your electrical panel is older, you may have to upgrade it.
How long do home hot water heaters last?
It would be nice to know when the time is right to replace your water before it springs a leak and causes an inconvenience or worse yet, damage to your home. Typically a residential hot water heater lasts between 6 and 13 years. Beyond 12 years, you are on borrowed time!
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