Hot Tubs, Swim Spas, Service, and Maintenance

What Is the Monthly Cost to Run a Hot Tub in Michigan?

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A modern hot tub filled with warm water on a wooden deck outside a sleek black cabin, with the sun setting behind a line of pine trees in the background.

What Is the Monthly Cost to Run a Hot Tub in Michigan?

Last updated: April 27th 2026

Thinking about getting a hot tub in Michigan but worried about how much it will cost to run during the winter? You’re not alone. With rising energy prices and long, cold seasons across the state—from Traverse City to Grand Rapids—many homeowners want to enjoy the wellness and comfort of a spa without being surprised by the monthly bill. A general hot tub costs about $100 a month to run a hot tub in Michigan.

The good news? With today’s energy efficient, cold-climate-ready hot tubs, you can enjoy all the benefits of year-round hydrotherapy while keeping your costs under control. This guide breaks down what it really costs to run a hot tub in Michigan, including electricity, water, chemicals, maintenance, and seasonal considerations.

You’ll also learn how to reduce your monthly expenses, what features to look for in a winter-ready spa, and why proper installation and maintenance make such a difference in cold weather.

Table of Contents

How Much Does It Cost to Run a Hot Tub Each Month in Michigan?

Here’s a breakdown of typical monthly hot tub running costs for Michigan homeowners:

Expense CategoryAverage Monthly Cost (Estimate)
Electricity (Heating + Circulation)~$60 – $70
Water (Filling + Topping Off)~$1 – $3
Chemicals & Water Care (Ph and Shock Treatment)~$10
Filter Cleaning or Replacement$35 if using the FROG® @ease®
$50 if using a Bullfrog Spa M Series
Filter replacement only once a year for other spas
Total Estimated Monthly Cost~$100

These estimates reflect moderate spa use (3–4 times per week), good insulation, and Michigan’s utility rates. Efficiently built spas with proper insulation and sealed bases typically operate on the lower end of the range—even during cold weather.

Simple, Cost-Saving Focus in Traverse City, Michigan

Comfort, Savings, and Peace of Mind—All in One Spa
Don’t let winter utility bills stop you from enjoying the relaxation you deserve. Our team in Traverse City will help you find an energy-efficient hot tub built for Michigan weather—so you can soak smarter, not spend more.

How Michigan’s Climate Impacts Your Hot Tub Operating Costs

Michigan winters are long and often intense. That means your spa’s heating system has to work harder to maintain a comfortable temperature. Some people may also ask if it is more expensive to run a hot tub in winter.

Climate Factors That Drive Up Hot Tub Costs:

A modern hot tub with a closed insulated cover and steps, placed on a backyard patio surrounded by freshly fallen snow, enclosed by a wooden fence and landscaped with winter-dormant plants and retaining walls.
  • Frequent freezing temperatures from late fall through early spring
  • Heavy snow and ice that can affect heat retention if covers are worn
  • Wind exposure that speeds up heat loss in open backyard areas
  • Fluctuating temperatures (freeze-thaw cycles) can cause seals to expand/contract, reducing efficiency
  • Prolonged cloud cover and reduced sunlight limit natural passive warming
  • High humidity and precipitation can create damp environments that deteriorate older spa cabinets or covers faster

View Our Energy Efficient Hot Tubs in Traverse City:

How to Reduce Cold-Weather Costs:

  • Choose a fully insulated hot tub with foam or multi-layer insulation
  • Use a tight-sealing, high-quality thermal spa cover
  • Install your spa in a sheltered area, like near a fence, structure, or under a pergola
  • Add windbreaks, such as fencing, privacy screens, or shrubbery to block wind chill
  • Monitor your water temperature and usage habits, adjusting to optimize performance without overworking the heater

How to Lower Your Hot Tub Costs in Michigan

Even in a northern climate like Michigan, there are smart ways to cut your monthly spa costs.

Choose an Energy Efficient Hot Tub

A Viking Spas hot tub placed outdoors in a snow-covered winter landscape, surrounded by leafless trees and deep snowdrifts, illustrating its durability and cold-weather performance.

Look for hot tubs built with:

  • Full-foam or multi-layer insulation- Helps retain heat and reduce energy loss during winter months
  • Sealed bases to prevent cold air infiltration- Prevents drafts from entering the cabinet and affecting internal components
  • Efficient circulation pumps- Use less electricity while keeping water moving and filtered at optimal levels
  • Minimized plumbing for better heat retention- Reduces heat loss by limiting the amount of plumbing exposed to outside temperatures
  • High-density, locking spa covers- Keeps heat in and prevents snow and moisture from wearing down insulation
  • Programmable control systems- Allow you to schedule heating cycles and filter settings to match your usage habits
  • Weather-resistant construction materials- Ensures your spa cabinet and components don’t degrade or absorb moisture in snowy conditions

American-made brands like Bullfrog Spas®, Artesian Spas, and Michigan-based Viking Spas are known for their ability to perform in cold conditions while keeping utility costs low.

Use a Spa Timer

Set your hot tub to heat only during needed hours or off-peak utility times to reduce unnecessary energy use.

Most modern hot tubs come with programmable control systems that let you set heating and filtration cycles to match your routine. For example, if you typically use your hot tub in the evenings, you can program it to begin warming in the late afternoon and maintain temperature for a few hours after use—then let it coast or drop slightly overnight.

Artesian Spas, Bullfrog Spas, and Viking Spas all have programmable heating timers that you can set.

Pro Tip: Many Michigan homeowners schedule their hot tubs to run during mid-morning or late evening hours—when outdoor temps are slightly warmer or when power rates are lower—to maximize efficiency.

Lower Your Water Temperature When Not in Use

A man's hand setting the temperature and other settings of a hot tub.

Reducing your hot tub’s water temperature to 95–98°F between soaks can lead to significant energy savings—especially during the colder months in Michigan when heaters work harder to maintain warmth.

Most hot tubs are typically set to 101–104°F for soaking, but dropping the temperature just a few degrees when you're not using the spa can reduce heat loss and energy use without compromising performance.

Pro Tip: If your hot tub includes a “sleep,” “economy,” or “away” mode, use it to automatically drop the temperature and reduce filtration frequency. This lets you cut back on heating costs while still protecting your spa from freezing.

Maintain Clean Filters

Dirty or clogged hot tub filters force your pump and heater to work harder, which increases electricity use and shortens the lifespan of your equipment. Regular filter maintenance is one of the simplest and most effective ways to reduce energy consumption and protect your investment.

How Often Should You Clean Your Filter?

  • Rinse with a garden hose every 1–2 weeks (more often if the spa gets heavy use or you're in a windy area with debris).
  • Deep clean with a filter cleaner every 1-3 months to remove oils and minerals.
  • Replace your filter every 12–24 months, depending on usage and water quality.

Tip for Michigan spa owners: If your hot tub is exposed to falling leaves, snowmelt runoff, or heavy pollen in the spring, consider cleaning filters more often during those peak times.

Also, consider keeping a spare clean filter on hand so you can rotate them out quickly—no downtime, no excuses.

Keep Your Cover in Good Condition

A man's hand holding the hot tub cover's handle as if he is about to open it or is closing it.

Your hot tub cover plays a critical role in maintaining water temperature and reducing heat loss—especially in colder climates like Michigan. If your cover is cracked, saturated with water, warped, or no longer sealing properly, it could be costing you significantly more in monthly energy bills.

Signs It’s Time to Replace or Repair Your Cover:

  • It feels heavy or waterlogged when lifting
  • You notice steam escaping from the edges, even when it’s fully closed
  • The cover no longer lies flat or aligns evenly with the spa shell
  • It has visible rips, cracking vinyl, or flaking foam
  • You feel cold air drafts around the cover in winter

Tips to Extend Your Cover’s Lifespan:

  • Remove snow buildup immediately to prevent sagging and foam compression
  • Use a cover lift to avoid dragging or flipping, which causes wear
  • Clean and condition the vinyl monthly to protect against sun, moisture, and mildew
  • Store the cover properly if you close the spa for the season

Pro Tip for Michigan homeowners: Investing in a high-quality replacement cover with locking straps and full insulation can pay for itself in a single winter by reducing heating costs and preventing wear on your hot tub's components.

Avoid Unnecessary Refills

Only drain and refill your spa as needed—typically every 3 to 4 months—to avoid wasting water, chemicals, and the energy required to reheat several hundred gallons of water from cold to soaking temperature.

While draining your hot tub is essential for hygiene and long-term performance, doing it too frequently can add unnecessary strain to your operating budget and your equipment.

When to Drain and Refill:

  • Water becomes cloudy, foamy, or difficult to balance chemically
  • You’ve gone 3–4 months of regular use (more frequent soaks or large groups may shorten this)
  • After a period of inactivity or winterization
  • If your spa has experienced contamination from lotions, oils, or debris

Tips to Extend Time Between Refills:

  • Shower before entering the spa to reduce the introduction of oils, lotions, and dirt
  • Keep your hot tub covered when not in use to prevent debris and evaporation
  • Maintain proper water chemistry with consistent weekly care to avoid buildup of total dissolved solids (TDS)

Pro Tip: In Michigan’s cold winters, frequent refills can increase utility costs due to the energy required to bring water from near-freezing temperatures up to 100°F or more. By maximizing the lifespan of each water fill, you keep your spa costs—and environmental footprint—lower all season long.

Hot Tub Chemical and Water Costs in Michigan

Electricity isn’t the only cost to consider. Chemicals and occasional water refills are also part of monthly hot tub maintenance.

ItemFrequencyAverage Cost
Spa Chemical Adjusters1-2 a week~$10-$20 a bottle
Filter CleanerMonthly/as needed~$10 a filter
Filter CartridgeEvery 4 months~$50-$60 per cartridge
Stain and Scale PreventersWeekly or when adding water~$20 per bottle
Water Refill (200–400 gallons)Every 3–4 months~$2-$10 per fill

Many spa owners use low-chlorine systems or ozone options to reduce chemical demand, lower maintenance time, and cut long-term costs.

Is a Hot Tub Worth It in Michigan?

Yes—especially in colder climates like Michigan. The comfort and health benefits are often well worth the manageable monthly costs.

Hot Tub Benefits Include:

  • Easing muscle and joint pain
  • Reducing stress and improving sleep
  • Spending quality time with family and friends
  • Enjoying the outdoors—even during snowfall
  • Boosting circulation and cardiovascular health
  • Supporting mental well-being
  • Year-round backyard enjoyment

And when your spa is built with cold-weather efficiency in mind, operating it year-round becomes affordable and practical.

Make Winter Your Favorite Season with a Hot Tub in Traverse City

Ready to relax, recharge, and stay cozy all winter long? We’ll help you find a hot tub that fits your home, your lifestyle, and your budget—with low operating costs and long-lasting comfort.

Ready to Enjoy the Benefits of a Hot Tub in Michigan?

A modern outdoor hot tub setup on a covered patio, featuring a wood-look spa beneath a cedar pergola, with a privacy screen, steps, and a large planter.

At Grand Traverse Leisure, we specialize in helping Michigan homeowners choose the right hot tub for year-round enjoyment, energy savings, and relaxation. We carry a wide selection of American-made hot tubs like Bullfrog Spas and Artesian Spas, including the Michigan-made Viking Spas—known for durability, comfort, and reliable winter performance.

Let us help you bring comfort, wellness, and lasting value to your Michigan backyard.

Frequently Asked Questions About Hot Tub Costs

  • In cold months, a typical winter hot tub in Michigan may use 400–600 kilowatt-hours (kWh) per month, depending on:

    • Insulation quality (full-foam vs. partial or none)
    • Outdoor placement (sheltered vs. exposed)
    • Spa usage (daily vs. occasional)
    • Water temperature settings and fluctuations
    • Spa cover condition (tight-sealing vs. cracked or waterlogged)

    Read more about how much electricity a hot tub typically uses in our blog.

  • For cold-weather performance, look for American-made hot tubs built specifically to handle harsh conditions—like snow, wind, and freezing temperatures.

    Key features to look for include:

    • Full-foam or multi-layer insulation to retain heat
    • Sealed ABS or composite bases to block ground-level cold air
    • Minimized plumbing for less heat loss between components
    • High-quality, tight-sealing spa covers
    • Energy-efficient filtration and heating systems

    Michigan-made Viking Spas are an excellent example—they're designed and built in Michigan for Northern climates. Other American-made brands like Artesian Spas and Bullfrog Spas also offer models built for maximum insulation and low winter operating costs.

  • Yes, absolutely—and it’s one of the best parts of owning a hot tub in Michigan. As long as your hot tub is properly insulated and maintained, you can soak even during a snowstorm or deep freeze.

    For safe and comfortable winter use:

    • Keep your spa covered and sealed between uses to maintain temperature
    • Clear snow off your cover regularly to prevent sagging or damage
    • Use a non-slip path to and from the spa to prevent falls
    • Make sure your spa has freeze protection settings enabled (most do)

    Many Michigan spa owners say their favorite soaks are during snowfall—it’s a uniquely relaxing and magical experience.

  • The initial heat-up from cold water (typically 45–55°F out of the hose) to around 100–104°F can cost between $5–$10. It usually takes a hot tub a few degrees per hour to heat up. This can be anywhere between 3-7 degrees per hour. So, your hot tub will likely be ready to use in the evening if you start it in the morning or the next day.

    After that, the key is maintaining temperature efficiently. A well-insulated spa with a high-quality cover will retain heat effectively, making ongoing heating relatively inexpensive.

    Tip: If your spa has a programmable control panel, set it to heat during off-peak electricity hours to save even more.

  • Most hot tubs should be fully drained and refilled every 3 to 4 months, depending on:

    • Frequency of use
    • Number of users
    • Water chemistry stability
    • Sanitation system (chlorine, bromine, mineral, ozone, etc.)

    Between full refills, you may need to top off your water every few weeks due to evaporation or splash-out—especially in winter when dry air and heat loss are greater.

    To extend the time between refills:

    • Keep your water properly balanced to prevent buildup
    • Keep the spa covered when not in use
    • Shower before entering the hot tub

    Note: Over-draining wastes water, chemicals, and electricity. Only refill when needed to keep your monthly costs low.