Knowledge Builders

how much does it cost to heat a hot tub

by Desiree Pfannerstill Published 3 years ago Updated 2 years ago
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On average, you could be spending between $20 and $60 a month to operate a hot tub. The more energy-efficient models will be on the lower end while older hot tubs and those who keep the heat going 24/7 will be on the higher end. The average hot tub is going to use approximately 7.5 kW per hour.Sep 21, 2021

How much does it cost to run a hot tub during the winter?

However, it's also wise to ask yourself, “How much does it cost to run a hot tub in the winter to keep the water warm?” On average, it's estimated that a 500 gallon spa costs about $1 per day to keep ready to use at all times. Fortunately, there are several ways to reduce in ground hot tub cost in winter conditions.

How much does it cost a month to run a hot tub?

The costs to run a hot tub depend on several factors. Typically, the cost to run an energy-efficient hot tub is about $1 per day or a $20-$30 increase in your monthly electric bill. However, if your hot tub is really old or not well taken care of, it could be up to $50 per month.

Do hot tubs draw a lot of electricity?

Modern manufacturers advertise the cost to run their hot tubs at about one dollar per day, with $50 per month at the high end. The energy cost of a hot tub varies based mainly on the heater, which usually draws between 1,500 watts or 6,000 watts. The pump is another prime energy user at 1,500 watts.

Is it cheaper to keep a hot tub hot?

Once the water is heated to your preferred temperature, you'll save energy—and money—by keeping it there. It costs more to reheat the water from scratch every time you turn it on. Even if you only use your hot tub once a week, you should still leave it constantly running.

What is the cheapest way to run a hot tub?

10 Ways To Reduce Hot Tub Running CostsGet A Lay‑Z‑Spa Thermal Hot Tub Cover. ... Fill Your Lay‑Z‑Spa With Water From The Hot Tap. ... Maintain A Constant Temperature. ... Run the hot tub at weekends instead of 24/7. ... Use the Inflatable Lid And a Floor Protector To Keep The Heat In. ... Position Your Hot Tub Near Windbreak Or In A Shelter.More items...•

What temperature should a hot tub be when not in use?

For those going away for a short while, it's best to leave hot tubs at 10°C (50°F). This will not only help maintain a safe and warm temperature, but it also won't spike up your electricity bills.

Why is my hot tub so expensive to run?

Pump efficiency Some brands of hot tub need to have their pumps running for 24 hours a day. This can lead to higher hot tub running costs. Hydropool hot tubs, however, have very efficient pumps and self-cleaning filtration, which only need to run for 6-8 hours per day so that the cleanliness of the water is maintained.

Should I leave my hot tub on all the time?

One of the most common questions our team gets asked is "should I leave my hot tub on all the time?" Quite simply, the answer is yes... your hot tub is designed to be left switched on constantly and works best when it is left on all the time. Your hot tub is at it's most efficient if left to run 24/7.

What happens if you stay in a hot tub for too long?

UNDERSTANDING THE RISKS OF OVERUSE Since the water in a hot tub is a higher temperature than your normal internal temperature, staying in a hot tub too long can cause you to overheat and experience symptoms like light-headedness, dizziness, or nausea.

How long can you stay in a hot tub at 90 degrees?

TEMPERATURE While this temperature is safe for healthy adults, you should remain immersed for no more than 20 minutes at a time. If you prefer a longer spa experience, you'll need to lower the water temperature accordingly.

How do you maintain a hot tub in the winter?

Check your water level frequently and add more as necessary. If the water level falls too low in cold weather, the components may freeze, which could damage your hot tub. Keep the Water Clean. Make sure you clean and maintain your water and filters according to your usual schedule.

Do hot tubs freeze in the winter?

If you lose heat to your hot tub in the cold winter months, don't panic! For a Fully-Foamed hot tub to start to freeze the temperature needs to be below 28 degrees F for at least 36 Hours straight. Even if it does get that cold if your hot tub & pumps are still operating, the water is circulating and will not freeze.

How much does it cost to run a hot tub per month UK?

A good quality hot tub should cost you no more than around £30 to £40 per month in terms of running costs. More use or greater frequency of use will mean more heating - and more energy consumption!

Is it expensive to run a hot tub UK?

According to unbiased data from WhatSpa, you can expect to pay between £1 and £1.30 per day to run an energy-efficient hot tub on a tariff of 28p per kWh (April 2022).

How many kWh does a hot tub use per day UK?

Presuming you take a daily dip for around 40 minutes, with current energy tariffs of around 28p per kWh, the most energy-efficient hot tubs on the market will cost between £1 and £1.30 per day. However, most cheap hot tubs are not built to be super energy efficient, and so you might find that yours costs more per day.

How much electricity does a 110 volt hot tub use?

One of the nicest things about 110v or “Plug-N-Play” hot tubs is that once it's sitting in your backyard, all you have to do to enjoy it is fill it up and plug it in. You don't need to hire an electrician and hard wire anything. Because it only draws 11 amps, it can be plugged into a regular outdoor outlet.

How much does it cost to heat a hot tub in the winter time?

However, it's also wise to ask yourself, “How much does it cost to run a hot tub in the winter to keep the water warm?” On average, it's estimated that a 500 gallon spa costs about $1 per day to keep ready to use at all times.

Is it cheaper to keep a hot tub hot?

Heating up a large volume of water takes time (see how long does it take to heat a hot tub?) and energy. It's much more economical to maintain your tub's temperature rather than heating it from scratch each time.

How much does it cost to run a hot tub all year?

The additional hydro cost as well as increased chemical usage and time spent on maintenance will soon outweigh the additional upfront cost of purchasing a higher quality hot tub from Sundance Spas. The average cost of heating and running a Sundance Hot Tub is only $30 per month ($360 Per year).

What is the monthly cost to run a hot tub?

The basic level of hot tub water care (using bottled chemicals) costs around $20 per month to maintain your hot tub, however this depends on what water system that you choose. Upgrading your water care system may be initially more expensive but will save you money and maintenance time in the future.

Do hot tubs use a lot of electricity?

Yes! Hot tubs run on an electrical supply. They usually need between 13 and 40 AMPS of power to run. The electricity powers the heater, pumps, lights and all the other working components on the hot tub.

How much does it cost to install a 220V outlet for a hot tub?

The average cost to install a 220V electrical outlet for a hot tub is $300 to $1,000. Hiring an electrician costs $40 to $100, plus a $75 call-out fee for hot tub wiring installation.

Can I turn off my hot tub in the summer?

Although they are usually kept at temperatures between 99° F to 102° F, with a maximum heat of 104°F, you can lower the temperature for summertime use. Simply lower the temperature of your hot tub to roughly 85°F or turn off your heater altogether.

Is it cheaper to leave a hot tub on all the time?

A hot tub will be cheaper on electricity if it stays at a constant temperature. Lowering and raising cause the heater to work more often, resulting in a larger electricity bill. However, it may make sense to lower the temperature if on vacation for 3 or more weeks.

Does turning down the hot tub save money?

Turning down the hot tub and leaving it set to a lower temperature will save money as the heater will come on less frequently. However, turning it down in between soaking sessions and then back up again will result in more work for the heater to re-heat the water, ultimately costing more money.

How much does it cost to heat a hot tub in the winter?

The average cost of running a hot tub in winter will be 30-50% higher for a total monthly cost of $26 to $45 per month. It will be on the lower end in climates that are less cold and for hot tubs that are better insulated.

How often do you replace the hot tub filters?

Plan to replace a hot tub’s filters every 12-24 months. Use the lower end of that range if water chemistry and filter cleanings are not performed as often as they should.

Do hot tubs use a lot of electricity?

Hot tubs do not use a lot of electricity and typically only cost about $1.00 per day to operate and maintain. Lower-quality, poorly insulated hot tubs are costlier on electricity, and poor water balancing can shorten the lifespan of the filters and equipment.

Did I cover all you wanted to know about how much a hot tub costs per month?

I hope this gives you the information you need to decide on whether a hot tub is within your means.

How long does a hot tub filter last?

If you do that, combined with changing the water every 3 months, there’s no reason you can’t get 24 months of life from your filters unless your hot tub sees extra heavy use on a regular basis.

How much does it cost to run a gas hot tub?

Modern manufacturers advertise the cost to run their hot tubs at about one dollar per day, with $50 per month at the high end. The energy cost of a hot tub varies based mainly on the heater, which usually draws between 1,500 watts or 6,000 watts.

Can you heat a hot tub with natural gas?

Gas spa heaters, such as the Pentair MasterTemp or the Raypak 106A, are powered by either propane or natural gas. They can be used for inground spas, free-standing wooden hot tubs, or even for portable spas if installed outside of the spa cabinet.

How much does it cost to heat natural gas?

Based on the U.S. average price of $1.15 per therm of natural gas as of the publication date, the U.S. Energy Information Institute estimates that 1 million Btu of heat costs about $14.02. This figure assumes an average gas furnace efficiency of 82 percent.

How much does it cost to run a 400 000 BTU pool heater?

A 100,000 BTU heater uses 1 therm of natural gas per hour, so a 400,000 heater consumes 4 therms an hour. 4 therms an hour x $1.67 = $6.68 per hour. So the magic number based on the most common 400,000 BTU pool/ spa heater is $6.68 per hour in gas cost to run your heater.

Is it cheaper to heat a pool with gas or electric?

Cost of Running a Propane vs. The size of your pool also matters, with larger pools costing more to heat than smaller ones. On average, however, a gas heater costs around $200 to $400 a month to run. Electric heat pumps cost less, coming in at about $100 to $200 a month.

Is it cheaper to heat with natural gas or electric?

Less expensive to operate: Almost everywhere in the country, natural gas is significantly cheaper than electricity. If you live in a cold climate and run your heater a lot during the winter, a gas furnace can save you money over the long run.

How is natural gas cost calculated?

Let's say you have a furnace with a BTU rating of 100,000 and your gas bill is measured in MCFs. If one MCF costs $9.00: Divide the price per MCF by 1,028,000 to get the price per BTU: $0.00000875486. Multiply that by 100,000 to get the price per hour you'll pay to run the furnace: about 87 cents.

How Much Does It Cost to Run a Hot Tub in Cold Weather?

The amount of energy it takes to maintain your hot tub’s temperature in cold weather depends on a variety of factors, including how cold it is in your area, where your hot tub is located and how well your hot tub retains heat.

How many BTUs does it take to heat a hot tub?

To do this, calculate how much energy it takes to fill the number of gallons of water in your hot tub, given that it takes 8.33 British thermal units (BTUs) to heat one gallon of water by 1℉. So, if your hot tub holds 400 gallons of water, it will take 166,600 BTUs to bring it from 50℉ to 100℉.

How long does it take to heat a hot tub without a cover?

On a cold winter day, it can take up to 16 hours without a cover. To reduce heating times, be sure secure your hot tub cover before turning the hot tub on.

Why use thermal blankets in hot tub?

Even when you’re using your hot tub, you can use a thermal blanket to conserve energy and keep heat from escaping.

What is the best way to prevent heat from escaping from a cover?

The thicker and denser the cover’s foam, the better it will be at preventing heat from escaping.

Can you run a hot tub in the winter?

The bottom line is that while low-quality, poorly insulated hot tubs can be expensive to run during the winter, if you have a high-quality, well-insulated hot tub, then you’ll be able to enjoy relaxing soaks all year round, without breaking the bank.

Can you get hot water in the winter?

Hot tubs can provide a welcome respite from the cold of winter. After all, nothing feels better than venturing out into the frigid outdoors only to sink into a tub of hot water.

Average Monthly Electricity Cost

You’ll find that some hot tub manufacturers advertise their spas as costing around $50 a month to maintain. However, your energy bill will vary.

Average Water Care Cost

The cost of water care depends on the water care system you have. Basic water care supplies (bromine, pH increaser, etc.) costs around $200 per year. If you have a saltwater treatment system, you will need to replace cartridges every 18 months—which costs between $300 and $500 for ozone systems, and annual check-ups cost between $100 to $200.

Average Monthly Service Rates

Manually testing and checking your hot tub’s chemistry can be time-consuming. So, hiring a professional may be the right option. A technician comes to your home each week to provide chemical testing, water balancing, and filter cleaning. The more services your want, the higher your monthly maintenance bill.

Maintenance Visit Fees

A maintenance visit provides more in-depth and preventative care for your hot tub. A professional will check your electrical panels, assess for leaks or faulty parts, and perform other troubleshooting. The amount you will pay depends on the extent of wear and tear. An average 2-hour service call costs around $75.

Tub Draining Fees

A hot tub professional drains the water, cleans the tub, and checks the filters. How often you drain your spa depends on how many times you use it. For example, if you occasionally use your spa, you might need to drain the spa two to five times a year. However, if you host nightly hot tub parties, you may need to have it drained two times a month.

Service Calls

Sometimes, your hot tub will need repair. While you can try to fix the problem yourself, it’s best to call a technician. Many professionals will provide service at an hourly rate, and some will charge for a minimum number of hours. But the average cost of a hot tub repair ranges from $75 to $150.

Tips for Saving on Hot Tub Maintenance

Worried that maintaining your hot tub may break the bank? There are ways to reduce your spa expenses. Check out the ways you can keep your hot tub in tip-top shape without spending a lot of money:

How to get a real grasp on the maintenance costs and requirements for a hot tub?

The best way to get a real grasp on the maintenance costs and requirements for your hot tub is to talk directly to your hot tub retailer. Ask them to help you compare and contrast the short- and long- term trade-offs of different models, especially if you are on the fence between a few options and/or price points.

How to prolong the life of a hot tub?

While this answer will vary depending on the model of hot tub you choose (the more luxury models are designed to have the longest lifespan), the best way to lengthen the life of your hot tub is proper care and maintenance !

How much does it cost to maintain a hot tub?

The basic level of hot tub water care (using bottled chemicals) costs around $20 per month to maintain your hot tub, however this depends on what water system that you choose. Upgrading your water care system may be initially more expensive but will save you money and maintenance time in the future. Additionally, top-tier salt water systems (that create water cleaners from salt and reduce the need for chemical additives) are exceptional for minimal maintenance and overall improved spa experience.

Is it a responsibility to own a hot tub?

It’s exciting to become a hot tub owner, and it’s a big responsibility. Here at Mainely Tubs, we want to help you with all stages of this process, and make sure you feel ready to set forth into hot tub ownership! We suggest reading our convenient online Hot Tub Buyer’s Guide or simply download our “Ultimate Hot Tub Buyer’s Guide. “ It’s a complete printable reference guide with in-depth insights into everything you need to know about buying and owning a hot tub.

Can a hot tub dealer waive installation costs?

Your hot tub retailer can give you a more accurate quote for installation cost, as it depends on many factors like hot tub location and size, and complexity of the installation. Some dealers will waive additional costs for a “standard installation.” If you have a tricky installation site or need a crane to lift your hot tub on top of your deck, there will be additional costs. Ask your dealer for an estimate.

Is the cost of maintaining a hot tub dependent on the type of hot tub you purchase?

Hot tub specifications: The cost of maintaining your hot tub is completely dependent on the type of hot tub you purchase since all hot tubs can vary in dimensions, materials, and functionality. Your hot tub selection process should factor in many things including your desired functionality (i.e.

Does an ozonator help with electricity?

An ozonator device can boost electricity bills (talk to your hot tub retailer to see if this product makes sense for your hot tub) Another factor to toss in the ring is the efficiency of your hot tub. A modern energy-efficient hot tub with improved insulation and powerful heaters can alter costs in a positive way.

How much does a hot tub cost?

Hot tub prices vary widely and depend on factors such as size, material, energy efficiency and specific features. These numbers give you a good indication of what you’ll expect to spend for a hot tub that sits on a deck or patio: 1 Inflatable hot tub: Typically cost less than $1,000. 2 Entry-level hot tub: $2,500 to $5,000. Entry-level hot tubs are usually made of less expensive plastic, have fewer jets and base-level insulation. 3 Value-priced hot tub: $5,000 to $8,000. Value-priced hot tubs are made of more durable acrylic and have more jets, better insulation and more features (LED lights, waterfall spouts, etc.) than entry-level hot tubs. 4 Premium hot tub: $8,000 to $11,000. 5 Luxury hot tub: $11,000 to $16,000.

How much does it cost to install an above ground hot tub?

According to Home Advisor, “The national cost to install an above-ground hot tub averages $316, with most homeowners spending between $157 and $490.”.

What to use to clean hot tub wood?

If your hot tub has a wood exterior, buy a wood cleaner and a wax that protects the wood from UV rays.

What chemicals are needed to sanitize a hot tub?

Chemicals. Hot tubs require a sanitizing chemical like chlorine. You’ll also need tester strips to monitor the pH (it should be between 7.4 and 7.6), alkalinity (between 80 and 120 ppm), calcium (between 150 and 250 ppm) and chlorine levels (at least three ppm) at least twice a week.

How much does it cost to change a hot tub filter?

Filter: While it’s standard equipment and necessary for proper operation, a hot tub filter needs to be changed once a year. They cost between $20 and $60. Pool thermometer: You can get one for around $10.

What is GFCI in electrical?

Ditto if you need to install an electrical outlet, which must be a ground-fault circuit interrupter (GFCI), which shuts off the electricity if a ground fault occurs.

Where is Amanda Prischak?

Amanda Prischak is a freelance writer based in Erie, Pennsylvania.

How does insulation affect hot tubs?

The quality of your insulation makes a significant difference when it comes to the cost of running your hot tub. Hot tubs with either little insulation or low-quality insulation stand to lose much of their heat through the four sides of the spa, forcing the components to work harder to keep the water temperature consistently high. The end result? Higher energy costs. In order to keep all that heat inside your spa, high-quality hot tubs come with dense, energy-efficient full-foam insulation. The hollow areas in between the outer frame and inner shell are filled with thick foam that hardens inside the hot tub; the foam saturates the whole area, forming a layer that entirely fills that interior gap. Luxury and premium hot tub take full-foam insulation a step or two further, with innovations such as specially-engineered multi-density foam that can also provide additional structural support for your spa. By making sure your heat stays inside your spa, high-quality insulation will significantly reduce the amount of energy your heater must use to keep your water hot.

Why do hot tubs have base pans?

This extra thermal barrier prevents heat from escaping into the ground. Hot tubs with base pans are far more effective at preserving heat than those without them, and thus are less expensive to run in the winter.

What to do with drizzly blues?

In the winter, it’s a perfect remedy for the drizzly, icy, sleety blues. Soaking in your spa at the end of a long, cold day while catching snowflakes on your tongue in your personal bubble of steamy bliss may be the all-time greatest way to spend a winter evening.

Why does hot water have to be cooled?

Whenever hot water makes direct contact with cold winter air, a rapid cooling process occurs. This puts significant stress on the heater as it strains to keep up, spiking the cost of running your hot tub. To prevent this, high-quality hot tubs come with thick, durable, insulating covers. This barrier between hot water and cold air does ...

Why do we wear hats in the winter?

YOUR HOT TUB’S DURABLE, FITTED COVER. Human beings lose most of our heat through our heads —that’s why we wear hats in the winter. In a similar vein, if hot tubs aren’t securely covered when not in use, they lose a lot of heat. Whenever hot water makes direct contact with cold winter air, a rapid cooling process occurs.

What is a cover lifter?

In inclement weather, a cover lifter is an absolute necessity for moving the cover on and off of your hot tub. These devices allow you to effortlessly protect your hot tub from the effects of cold weather.

Do hot tubs have a cover?

To prevent this, high-quality hot tubs come with thick, durable, insulating covers. This barrier between hot water and cold air does a fantastic job of preventing heat loss. Your cover should create a tight, secure seal around the edges of your hot tub to keep heat from leaking out.

HOW MUCH ELECTRICITY DOES A HOT TUB USE?

For any large-ticket item, many variables factor into the overall cost. The total cost of a hot tub depends upon its size, quality, design, and location, while the amount of energy your hot tub uses depends upon the following:

HOW CAN I KEEP HOT TUB ENERGY COSTS AS LOW AS POSSIBLE?

To maximize energy efficiency, always leave your spa running with the water set at a constant temperature, clean your filters regularly, and keep your spa covered with a well-fitting high-quality insulating cover when not in use.

WHAT AFFECTS A HOT TUB’S ELECTRIC CONSUMPTION?

Frequency of use drives the cost to operate a hot tub up or down. The more use a hot tub receives, the more energy it requires. More use means more heat loss , which forces the hot tub’s system and components to work harder.

HOW DOES HOT SPRING KEEP ENERGY COSTS LOW?

Energy efficiency is important to us, so we work constantly to find new ways to improve our high-quality products and lower your hot tub operating costs. Every aspect of a Hot Spring Spas hot tub is designed with energy efficiency in mind:

How long can you leave a spa unattended?

For vacations of up to two weeks, you may choose to lower your water temperature to as low as eighty degrees, but otherwise leave your spa operating as usual. If your tub will be left unattended for more than two weeks, you may wish to consider draining your tub, then refilling it upon your return.

What type of insulation is used in hot tubs?

Our Limelight® and Hot Spot® spas use our proprietary FiberCor® insulation, while our luxury Highlife® spas use multi-density full foam insulation.

How to reduce electric bill in hot tub?

Taking good care of your tub by using a high-quality, well-fitting insulated cover and cleaning the filters regularly will reduce your hot tub’s electrical consumption. Heating up your water adds more to your monthly electric bill than maintaining the water at a constant high temperature. After you heat up your new hot tub for the first time, ...

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