Technical Installation cao. What you must do as an employer, and the tools to do it.
For plumbers, heating engineers, electricians and other installers with staff. Make an employment contract with the right salary, look up a salary or write a letter. All under the 2026 to 2028 cao.
Make an employment contractAll toolsTools
Choose what you need to do now. Each tool uses the Technical Installation cao and the 2026 or 2027 salary table.
Employment contract
Choose job and experience. We fill in the salary, probation, notice period and chain rule. You get a pdf to sign.
Make the contractLetters
Extension or end of a fixed-term contract, change, training costs, warning, new function year, reference and resignation.
Make a letterSalary table
Salary per month, per four weeks and per hour for every salary group and function year. With net pay, young employees and BBL.
Go to the salary tableJob grading
Choose the type of work and the job that fits. You see the function group and salary group according to the handbook.
Go to the guideWhat does an employee cost?
All employer costs of a fitter: contributions, PMT pension, funds and the cost per productive hour.
Go to the calculatorGross to net
What your fitter keeps net, with the PMT pension and the net holiday pay.
Go to the calculatorWhat to do when
The fixed moments of the cao in a year.
| January and February | Within 2 months after the end of the year, give every employee a financial annual statement (article 31). |
|---|---|
| 1 March | Salary increase. From 1 March 2027 plus €115 a month or €105.77 per four weeks (article 41). |
| June | Pay holiday pay of 8%, with the minimum from article 60. It is due on 30 June (article 59). |
| 30 June and 31 December | Employees aged 55 and over get extra holiday hours (article 51). |
| July | The minimum wage goes up. Check column A, youth wages and BBL wages. |
| November 2026 | One-off €132 gross for everyone employed on 1 November 2026, pro rata for part-time (article 41a). |
| Every year per employee | One function year added up to the maximum of the salary group, at the latest in the pay period in which the new function year starts (article 35). |
| One month before the end | Fixed-term contract of 6 months or more: let the employee know in writing whether it is extended (article 7:668 of the Civil Code). |
Rules that often go wrong
The cao rules that differ from the law or from other caos.
| Job grading | Compulsory with the Handbook Function Grading for Metal and Engineering. The employee must know his function group and can object (article 10). |
|---|---|
| Sickness | Pay 100% for the first 6 months, then 90% for 18 months (article 67). At the second sick report in a year one holiday day is deducted (article 52). |
| Reporting sick | On the first day of sickness before 9.00 at the latest (article 66). |
| Overtime | Per hour a percentage of the monthly salary: the first 2 hours 0.78%, then 0.89%, Saturday 0.89%, Sunday and public holiday 1.12% (article 42). |
| Travel hours | Travel time to a job that is longer than normal: outside the schedule 0.607% of the monthly salary per hour (article 44). |
| Fixed-term contracts | The statutory rule: at most 3 contracts in 36 months. Probation 2 months for a contract of more than 6 months or permanent (articles 13 and 14). |
| Salary group A | At 0 function years and for young employees this is the statutory minimum wage. It changes on 1 January and 1 July (article 32). |
Source: Technical Installation cao 1 February 2026 to 31 January 2028, version 30 April 2026. As of 28 October 2026.
Frequently asked questions
For installation companies in electrical engineering, plumbing, sanitary, central heating, air handling and refrigeration. The cao has been declared generally binding. It then also applies if you are not a member of Techniek Nederland.
The number of years someone has done his job with you from age 21. Every year a function year is added, up to the maximum of the salary group. For a new employee you may grant fictitious function years for experience.
Only if the employee has demonstrably performed poorly (article 85). Record it, preferably in an appraisal, and discuss it with the employee.
200 holiday hours per year at 38 hours a week, usually 25 days. From age 55 hours are added. Part-time in proportion.
Pensioenfonds Metaal en Techniek (PMT). Participation is compulsory. The employer may deduct part of the premium from the salary.
At Techniek Nederland, FNV and CNV. We refer to the articles so you can look them up there. In doubt, ask us.
Would you rather we handled it?
We run payroll for installation companies under the Technical Installation cao: salary groups, function years, overtime, travel hours, PMT and OTIB. Tell us how many people you employ. You'll hear back within one working day.
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