Steam Shower Installation Cost Estimate

In the U.S., Steam shower installation typically costs $2,800–$10,000, averaging around $4,300, with custom builds running $4,000–$25,000+.

  • Steam shower tile installation costs $7 to $25 per square foot or $800 to $3,000 on average.
  • Professional plumbers charge $75 to $150 per hour, depending on their experience, local rates, and the complexity of the installation.
  • A prefab steam shower costs $2,900 to $6,800, converting an existing shower to a steam shower costs $2,300 to $11,700, and building a custom steam room costs $4,000 to $16,500.

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Steam Shower Installation Estimate FAQs

Is it cheaper to buy a prefab steam shower or build a custom one?

Prefab is significantly cheaper — most prefab steam showers cost between $2,800 and $7,100 to install, while most custom steam showers cost between $4,000 and $14,000, up to $25,000 for intricate tiling and luxury features.

Can I convert my existing shower into a steam shower?

Yes — converting an existing shower to a steam shower costs $2,300 to $11,700, though the space must be properly sealed (including the ceiling) to trap steam effectively.

How much does just the steam generator cost separately from installation?

The average steam shower generator costs between $500 and $5,000 for the unit alone, with kW capacity matched to your enclosure size — roughly 1 kW of generator output per 45–50 cubic feet of space.

Do I need an exhaust fan for a steam shower?

Yes, it’s strongly recommended — budget for an exhaust fan installation at $250 to $500 to control steam and protect finishes and prevent moisture damage over time.

What tile material works best for a steam shower?

Non-porous tiles like porcelain and ceramic are ideal for steam rooms, and all surfaces require waterproofing and sealing, including the ceiling. Colored glass tile shows trapped moisture less than clear glass.

Does a steam shower add resale value to my home?

A steam shower can make a primary bathroom feel more luxurious and may be appealing to buyers who value wellness features — the best return usually comes when the steam system is part of a well-designed bathroom remodel rather than a standalone add-on.

What ongoing costs should I expect after installing a steam shower?

Beyond installation, factor in increased water and electricity usage, as well as regular maintenance to keep the steam room running efficiently — generators also need periodic servicing to prevent mineral buildup and extend lifespan.

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Igal Rubinshtein @igal

Joel and his team went above and beyond to make sure they helped us fix the gas leak. Joel is a man of his word and came through on his promise.

AP
Alex Pritchard @alexpritch

Very expensive. Make sure you establish the price up front. They did some work on gas pipes, which was specialized so the prices weren't so horrible.

JS
Joe S. @joe

They did a good job and came quickly. Installed a bidet in my toilet. Shout out to Casey for the quality work.

DE
D Evonne W. @evonne

Scheduled service for a clogged toilet and never showed. No call, all messages unanswered

JA
Jari @jari22

If its an easy fit sure they maybe great but if its something different then quoted they are going to charge you either way a hefty price.

AU
Ashley Undercuffler @undercuffler

They never called my property manager, or myself, to ask if they could do an additional estimate while at my property. I was shocked. Companies cannot go around doing estimates.

AJ
A Jackson @jacksona

Mike showed up in an hour to shut off a spigot that I could not shut off. Always great friendly service at a reasonable price!!!

IR
Igal Rubinshtein @igal

Joel and his team went above and beyond to make sure they helped us fix the gas leak. Joel is a man of his word and came through on his promise.

AP
Alex Pritchard @alexpritch

Very expensive. Make sure you establish the price up front. They did some work on gas pipes, which was specialized so the prices weren't so horrible.

JS
Joe S. @joe

They did a good job and came quickly. Installed a bidet in my toilet. Shout out to Casey for the quality work.

DE
D Evonne W. @evonne

Scheduled service for a clogged toilet and never showed. No call, all messages unanswered

JA
Jari @jari22

If its an easy fit sure they maybe great but if its something different then quoted they are going to charge you either way a hefty price.

AU
Ashley Undercuffler @undercuffler

They never called my property manager, or myself, to ask if they could do an additional estimate while at my property. I was shocked. Companies cannot go around doing estimates.

AJ
A Jackson @jacksona

Mike showed up in an hour to shut off a spigot that I could not shut off. Always great friendly service at a reasonable price!!!

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