What Size Hot Water Tank Do I Need

What Size Water Heater Do I Need For A Jacuzzi Tub? (Find Out Now!)

Y'all're getting ready to enjoy your new jacuzzi tub. Y'all've poured yourself a glass of wine, lit some candles, have some Epsom salts and your favorite bath bomb on hand, and begun filling the tub with hot water. However, your bathtub only gets almost halfway full earlier yous're fresh out of hot water. This is a common occurrence when your water heater isn't big enough to accommodate your jacuzzi tub.

And so, at this bespeak, yous may observe yourself request: "What size water heater do I need for a jacuzzi tub?" In guild to ensure that your h2o heater is large enough to supply your tub, the h2o heater tank should exist approximately two/3 the size of the jacuzzi tub. For case, if y'all have a 50-gallon h2o heater, it is just large plenty for a 75-gallon tub.

With that said, let's take a deeper wait at how to properly size a water heater according to your needs and the size of your jacuzzi tub.

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Tank or Tankless H2o Heater?

In order to sympathise the size water heater you need to accommodate your jacuzzi tub, you must first understand the ii main types of water heaters. The 2 primary types of h2o heaters are the traditional storage tank water heaters and tankless water heaters.

Storage Tank Water Heaters

Storage tank water heaters are the most common type plant in residential homes. As the name suggests, these water heaters oestrus water then store information technology in an insulated tank until it's needed. A piping comes out of the pinnacle of the tank to deliver the hot h2o to the desired destination, whether it's the bathroom, kitchen, or another location in the home.

As a homeowner, you've likely experienced the despair of running out of hot water or having to wait for the water to oestrus up before you tin hop in the shower. These situations occur because tank-way water heaters have what'due south known every bit a 'recovery rate,' which refers to the corporeality of hot water the water heater tin provide in a given period of time. The more you depend on hot water in your habitation, the college the recovery rate you'll demand.

Pros of Storage Tank Water Heaters

Significantly lower upfront cost
Easy, low cost repairs
Ideal for larger homes

Cons of Storage Tank H2o Heaters

Tin only supply a limited amount of hot h2o in a given period of time
Slightly higher utility bills
Take up a lot of infinite
Less free energy efficient
Shorter lifespan

Tankless Water Heaters

Although tankless water heaters are known for being pretty expensive upfront, they provide hot h2o pretty much on-demand – which makes sense considering they are also called 'on-demand water heaters.' These water heaters are outfitted with high-powered burners that heat water quickly as information technology runs through a rut exchanger and straight to your faucets and fixtures. As the name suggests, tankless water heaters exercise non utilize a tank for storage.

Tankless water heaters are between 24 and 34 percent more energy efficient than traditional storage tank h2o heaters. This means that they can relieve yous quite a bit on your utility bills, and if you accept a gas-fired model yous tin await over $100 in annual savings. Though, the drawback to these h2o heaters is that they provide a limited amount of hot water per minute but the newest models can deliver upward to 9.8 gallons of water per minute simultaneously!

Pros of Tankless Water Heaters

More energy efficient
On-demand hot water
Saves money over fourth dimension
Take upward less space

Cons of Tankless Water Heaters

Higher upfront price
Plush repairs and replacements
Only provide a limited corporeality of hot water per minute

How to Size Your H2o Heater

At that place are a number of hot water heater sizes available and in gild to find the platonic size, you demand to understand your average water usage. To do this, consider the following key factors:

Water heater'due south concrete size. It's important that you cull a water heater that will fit in the designated space in your domicile. If you lot're tight on space, consider a tankless water heater.
Household size. How big is your home? Exercise you alive alone or do you have several family members in your house? Both the size of the dwelling and its occupants are oft the most important factors when it comes to choosing the ideal size h2o heater.
Fuel source. Will the water heater use electricity, liquid propane, or natural gas to operate? Or, is the water heater going to be hooked upwards to your banality? Knowing this will assistance narrow downwards your choices.

What Size Water Heater Practise I Need?

With the same factors in listen, the easiest way to determine the size storage tank heater you demand is to get based off the size of your household. Oftentimes, you tin can use the number of people in your house as a good baseline for the ideal tank chapters (in gallons) for your water heater:

Household Size	Necessary Tank Capacity
1 to 2 people	23 to 36 gallons
2 to 4 people	36 to 46 gallons
3 to 5 people	46 to 46 gallons
5 or more people	Over 56 gallons (add 10 gallons for each additional person)

What is First 60 minutes Rating?

A h2o heater'southward first hour rating (FHR) refers to how much hot water the tank can create in a single 60 minutes when fully heated. So, if a water heater has an FHR of 90 gallons, this means that it can provide up to xc gallons of hot water in a single hour.

Ideally, you desire a water heater with an FHR that either meets or exceeds the number of gallons of hot h2o needed for all the activities that will take place simultaneously at the busiest time during the mean solar day. Consider the numbers in the following table to help you figure out elevation 60 minutes usage and your ideal FHR:

Activity	Hot Water Usage
Washing easily (per person)	2 gallons
Shaving	iii gallons
Washing dishes (hand-washing)	6 gallons
Washing hair (per person)	6 gallons
Running dishwasher	5 to x gallons per load
Showering or bathing (per person)	20 gallons
Running washing automobile	25 to forty gallons per load

What Size H2o Heater Practise I Demand for a Jacuzzi Tub?

Ultimately, the size water heater that you need will depend on the specific size of your jacuzzi tub. Soaking tubs and freestanding tubs normally hold effectually 60 to 80 gallons of water. Whereas, corner or spa tubs tin hold between 70 to 120 gallons of water. With this in mind, your h2o heater tank must exist at least 2/three the size of your jacuzzi tub.

Then, if you jacuzzi tub holds 120 gallons, you need at least an 80-gallon water heater. If yous plan on using more appliances, faucets, and fixtures at the same time, you'll need a water heater tank that's even bigger.

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What About Tankless Water Heaters?

If you cull to opt for a tankless h2o heater instead – whether it's for the improved energy efficiency, smaller size, or on-demand hot h2o – your shopping experience volition be slightly different. Since tankless h2o heaters do non have a tank for storing water, y'all don't need to concern yourself with capacity size. Instead, you must consider two central factors: menses charge per unit and temperature rise.

Menstruation charge per unit is measured in gallons per minute (GPM). To discover out the size tankless h2o heater you need, determine the maximum number of appliances you want to run at the same time and their menses rate, then add together up these rates. For temperature rising, you must subtract the incoming water temperature from the preferred output temperature.

Unless you know the incoming water temperature, you tin can presume that information technology's l degrees Fahrenheit. Though, if you alive in a warmer climate, information technology'll be much higher. In near cases, you want the output h2o temperature to exist between 105 and 115 degrees. This means that you'll need a tankless water heater that produces a temperature ascent of 55 degrees.

Then, with these 2 factors in mind, the following table provides a expert reference point for figuring out your dwelling'south full simultaneous h2o needs:

Fixture	Average Period Rate (GPM)	Average Temperature
Sink	1.five GPM	110°F
Dishwasher	1.5 GPM	110°F
Washing Machine	2.0 GPM	120°F
Shower	2.v to iii.0 GPM	104°F
Tub	four.0 GPM	102°F

Related Guide

Tin You Put Epsom Salt In A Jacuzzi Tub?

Jessica Rock

Jessica considers herself a home improvement and design enthusiast. She grew upwardly surrounded past constant home improvement projects and owes well-nigh of what she knows to helping her dad renovate her babyhood dwelling. Being a Los Angeles resident, Jessica spends a lot of her fourth dimension looking for her next DIY project and sharing her love for abode blueprint.

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