The system
One sauna booking system with everything built in
HEAT connects booking, smart lock, heater control, payments and customer communication, so guests can book, pay and walk into a warm sauna without you lifting a finger.
Explore the system
- Smart lockGuests get access automatically when they book. No keys, no handovers.Learn more
- Heater controlThe sauna heats up automatically before each guest arrives (electric heaters).Learn more
- PaymentsGuests pay as part of the booking, and can add extras at checkout.Learn more
- CRM and customer communicationEvery guest in one place, with email, SMS, memberships and analytics.Learn more
From booking to a warm sauna
- 1
The guest books online
Guests pick a time and book themselves, around the clock.
- 2
Payment in the same flow
They pay as part of the booking and can add towels, sauna hats or equipment.
- 3
Access is set up automatically
The smart lock gives them access at booking time. No keys to hand out.
- 4
The sauna is warm on arrival
An electric heater warms up automatically before the guest arrives.
- 5
You keep the relationship
Every guest lands in your CRM, ready for the next message or membership.
Built for private and commercial saunas
For private sauna owners
- Automate access and heating
- More free time - less administration
- Increase bookings with smart calendar and CRM
For commercial sauna facilities
- Scale without hiring more staff
- Maximize capacity utilization
- Increase revenue with automatic upselling
See it working for your sauna
Book a free demo and we will walk you through the whole system, from booking to a warm sauna.
Last updated: 19 October 2026