The first Senku product

The schedule that fills itself.

The job management app for heating and cooling technicians. Reminders, signed job reports and regional registry, without the paperwork.

The Kaldo mascot leaning on the keycap with the K and the flame

Job management that knows how you work.

Today it all runs on paper, Excel and memory. Kaldo follows the real round: system, job, signature, next reminder.

August reminders
Via Prati 12 apartmentsTue 4
Trattoria Da NinoThu 6
Lorusso familyMon 10

Never miss a service again

Scheduled reminders for every system

Kaldo works out the next due date and notifies your customers for you. Your schedule fills up with work that is already sold.

Job report 2026-0341
Combustion test
Heat exchanger cleaning
Flue draft test
Customer signaturePDF sent

The end of paperwork

Job reports signed on site

Fill it in from your phone in two minutes, the customer signs on screen and the PDF sends itself.

Regional registry
Report ready

Logbook updated, report in regional format.

Compliant without thinking about it

Ready for the regional registry

System logbook and efficiency reports in the right format for your region, with every deadline in plain sight.

The rules already work in your favour.

Periodic inspections are a legal obligation for your customers. Whoever handles them methodically takes the work everyone else lets slip.

0

days

the typical deadline for filing the efficiency report with the regional registry.

1-4

years

how often inspections come around: every system is a customer who comes back.

0

in fines

the maximum penalty for a system logbook that is not in order.

Deadlines and amounts change from region to region: Kaldo keeps track for yours.

Up and running in an afternoon.

If you can use WhatsApp, you can use Kaldo. No installation, no training course, no consultant.

Load in your systems

Import your customers from Excel or add them on the first round: address, system and last inspection.

Kaldo schedules the reminders

For every system it works out the next due date and prepares the reminders for your customers.

Close the job on site

Report from your phone, signature on screen, PDF to the customer and the filing ready for the registry.

Try Kaldo before everyone else.

We're building the first version with a small group of technicians. Everyone on the list tries it first and locks in the launch price.