Ehta experiences

A shore sauna without a building permit – the easiest project ever

The Jämsänen couple's easiest building project took place last spring. A sauna cabin appeared on their lakeside plot completely finished – even painted. And no building permit was needed to start using it.

Kirsi Alm-Siira's experiences of her Ehta sauna cabin

Mäntyharju
I like customer service where various options are offered without any pushy selling. We received information about what costs what, where there are good places to save money and where it's worth investing. It felt like all the time there was a clear...
Åke and Kaisa Nyblom are standing in front of their new sauna cabin, laughing and looking happy....
Tapani Kalkela purchased a small sauna cabin (Garden Sauna 16) for his own garden from Ehta...
Äänekoski
Isn't the traditional order that first comes the sauna and...
Äänekoski
When the Erkkilä family looked for a suitable sauna, they noticed that in many otherwise...
Mänttä-Vilppula
The long-awaited Monday 21.6.2021 was an unreal, euphoric day that I lived more...
Admire nature photographer Hannu Huttu's stunning photos of a garden sauna project and the northern lights. Hannu's...
The large picture window was the crowning touch of our sauna. The view is amazing, because from the window...

Genuine reviews

What customers say about Ehta

We send a customer satisfaction survey to every customer after their building is delivered, and we publish the responses without filtering. There have been 242 responses so far. The overall rating is 4.7/5 and the Net Promoter Score (NPS) is 86.

The survey has been running continuously since March 2026. Since then, 26 responses have come in, the most recent dated 9.9.2026.

Overall rating
4.7/5
Customer service
4.8/5
Sauna steam
4.9/5
  • 5 ★171
  • 4 ★68
  • 3 ★2
  • 2 ★0
  • 1 ★1

What we're praised for most often

  • Delivery as agreed. The building arrives on the agreed day, sometimes even ahead of schedule, and many take their first sauna the very evening it's delivered.
  • Changes to the standard model. The positions of windows and doors, the width of the sauna benches, an extra log course or converting the sauna into a guest house are all possible, and the designer often suggests a better solution.
  • Service. Questions are answered quickly, and the sales approach doesn't feel pushy.
  • The löyly. The löyly is the most common thing praised in written reviews: about a third mention it. Recurring words are ”oxygen-rich”, ”moist” and ”soft”, and many praise the flow of replacement air from the floor edges.
  • Quality and price. Sturdy logs, wide sauna benches and open pricing: prices are on show, and you don't have to guess the total price.

What we get criticised for

  • Small shortcomings in the delivery. For example, missing parts, spots dented in transit or slips in the finishing. According to customers, these are usually put right quickly, but in individual cases the repair has taken a long time or the compensation has been small.
  • Transport arrangements. The exact delivery day has sometimes only become clear a few days beforehand, and the width of the access route to the plot should have been confirmed earlier.
  • Choosing the size. A few customers would now buy a model one size larger.

Based on the feedback, we have, among other things, clarified our guidance on the access route.

All experiences

Excellent design service based on our own wishes.
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Tarja Niemelä
Overall rating
Customer service
On the plus side: high-quality materials, good instructions, the scope of delivery, and when problems came up we quickly got good advice over the phone. On the minus side: black marks on the logs, and the door handles were missing from the delivery. the handing of the gable window on one side should have been a mirror image of the other so that it would open after the fireplace was installed.
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Samuli Ahonen
Overall rating
Customer service
The cabin itself turned out well, but things related to the delivery (ensuring access to the plot, a more precise delivery schedule, etc.) had to be pushed for by oneself, as the person handling things wasn't terribly proactive.
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Esa Rusila
Overall rating
Customer service
Good customer service, good value for money, the schedules held and, best of all – we got a gorgeous sauna.
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Eija Kortelainen
Overall rating
Customer service
The whole process worked well; we always got answers to our questions. The changes we wanted were received positively and we got better, more workable suggestions from the professionals. At no point, from the first negotiations to the end result, has there been anything to complain about. All the agreed changes were made. The delivery went ahead on the agreed day and we got a brand-new cabin on our plot. Even after the delivery, we've had answers to some tricky questions. We're happy with our cabin.
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Kaarina Kaapeli
Overall rating
Customer service
My rating of 7 is based on the entire process from ordering to delivery. 1) Ordering and design: this went very well; based on two floor plans, a design was created that suited my garden, which wasn’t available among the so-called ‘standard models’. The design process was quick. Thank you, Jonna Humalajoki 2) Delivery and positioning of the cabin: It would be good to have precise specifications/dimensions ready regarding the width of the access route required to get the cabin into position. I had to seek help from a local haulage company because it was suspected that the haulage firm chosen by Ehta would not be able to deliver it. A professional on site confirmed that the transport company booked by Ehta should indeed be able to get the cottage through. In my opinion, this was handled incorrectly. In other words, just provide the measurements so we can work out which opening to use for delivery. There was too much fiddling about over the details, but in the end the cottage fitted perfectly into place. 3) Foundations: I had the foundation work carried out by a local contractor. The building plans were missing the drain pipe locations, which I then requested separately, and the drain pipe drawings I received were mirror images, but fortunately this was spotted. 4) Delivery: The foundation work was carried out according to the instructions; the only unclear point was whether a felt pad should be placed on top of the pillar or not, as this wasn’t mentioned anywhere, and I assumed that the transport company would probably put the felt sheets in place before the cabin was installed, as the competitor Salvos sauna does. Well, they didn’t, and now they haven’t been fitted. This still bothers me a bit, as there’s now no moisture barrier between the beam and the frame. Fitting the pieces would have taken two minutes, but doing it afterwards is a real faff. Not good. There really ought to be clear instructions for this, or else the factory could staple the strips into place at the base, or ensure that they have been fitted. I’d have had some felt myself, but I’d have to start cutting it out once the cabin was already up. 5) The cabin: the cabin is absolutely stunning; I have no complaints about the quality whatsoever. I stained the interior surfaces of the cabin myself, which also gave me the chance to inspect it up close. The diagrams for the window opening mechanism were missing, and I had to ring to ask how to open the windows fully – that is, to release the locking mechanism – so perhaps this could be included in the delivery. The sauna’s outer door has been a bit of a problem; it won’t quite close properly. I’ve already sanded the edges a few times so that the door would close smoothly, but it feels as though it just keeps swelling more and more. I’ll have to sand it down a third time. In other words, the clearance has been made too tight, and no allowance was made for possible The sauna has been in constant use since the summer; otherwise, it has worked well. One final point: when you advertise the trade fairs you’re attending, it would, of course, have been nice to receive free tickets for sauna customers, for example for the Habitare fair
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Toni Viitanen
Overall rating
Customer service

Questions about customer experiences

What are people's experiences of Ehta?

242 customers have responded to the customer satisfaction survey, the overall rating is 4.7/5 and the NPS is 86. The most praised aspects are the löyly, deliveries carried out as agreed and the option to modify the standard model.

Does an Ehta building arrive on the agreed day?

Keeping to the delivery schedule is the second most common praise in the reviews. The exact time of transport is confirmed a few days beforehand, and it's worth confirming the plot's access route already at the ordering stage.

Can an Ehta model be modified?

Yes. Customers have changed, among other things, the positions of windows and doors, the width of the sauna benches and the height of the building, as well as turning the sauna into a guest house.

What if there's something wrong with the delivery?

Missing parts and transport damage are repaired under warranty. According to the reviews, most cases are dealt with quickly.

Ehta in brief

Company
Ehta Group Oy, Business ID 3189520-6
Operations
Log construction in Perho since 2000. The current company was founded in 2021.
Factory
Kaisantie 6, 69950 Perho
Staff
About 20 people
Delivered
Over 1,600 log buildings
Exhibitions
Perho (factory) and Espoo (Marketanpuisto)
Customer satisfaction
4.7/5 and NPS 86, 242 responses (reviews)
Delivery area
The whole of Finland. Since 2018 delivered to 200 municipalities in every region of mainland Finland (map)
Your contact details
050 546 3755, parhaitahetkia@ehta.fi

Ehta NPS

86

242 respondents since 1.3.2021.

We measure our customer satisfaction regularly using the Net Promoter Score (NPS). We send a survey to all our customers.

242 customers have taken part in the survey since 1.3.2021.

Ehta's NPS score is high 86.

NPS, or Net Promoter Score, refers to the recommendation index, meaning how likely it is that customers would recommend a company, product, or service to their friends or colleagues. NPS is considered an effective and, to date, the simplest customer satisfaction metric.

The recommendation index can range from -100 to 100. Generally, the number can be assessed as follows:

-100–0: Room for improvement
0–30: Good
30–70 Very good
70–100 Excellent

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