van Treijen Installatietechniek
Boiler and heating · Den Haag
4.832 reviews · Googlevan Treijen Installatietechniek in Den Haag is listed under Boiler and heating. The listing shows 21 services. Prices start at €35. On Google it has 4.8 out of 5 from 32 reviews. The business comes to you.
About van Treijen Installatietechniek
van Treijen Installatietechniek is an installation company in Den Haag. It provides central heating boiler maintenance and installation, maintenance of heat pumps and ventilation units, and services for underfloor heating and heating systems.
Central heating boilers and maintenance
The company advises on replacing central heating boilers and carries out annual maintenance. A maintenance subscription includes checks, test firing and checking the gas pressure.
- Replace central heating boiler
- Central heating boiler maintenance
- Heat pump maintenance
- Mechanical ventilation maintenance
- Heat recovery ventilation (WTW (Dutch term for heat recovery ventilation)) maintenance
Heating and water
Van Treijen Installatietechniek flushes underfloor heating systems and hydraulically balances heating systems. Air and dirt separators are also available.
- Flush underfloor heating
- Flush underfloor heating manifold and clean components
- Flush underfloor heating system again with Fernox Protector
- Hydraulically balance heating system
- Air and dirt separators
Products
- Intergas KombiKompakt HRE 28/24A CW4
- Nefit Proline nXt HRC24 CW4
Practical information
For the central heating boiler maintenance subscription, new customers pay a one-off call-out charge for the first inspection visit. An appointment can be requested to sign up for a subscription or get advice about a heat pump.
Services and prices
Boiler maintenance
- Intergas Kombikompakt HRE 28/24A CW4€1895
- Nefit Proline nXt HRC24 CW4€1995
- Central heating boiler maintenance 2026€110
- Subscription A – Central heating boiler maintenance€115
Heating installation
- New central heating boiler€1895
Heat pump installation
- Advice consultation
Underfloor heating troubleshooting
- Professional flushing of underfloor heating including Fernox Cleaner€105
- Professional flushing of underfloor heating manifold including manual cleaning of the components€105
- Flush entire underfloor heating system again with Fernox Protector€125
- Surcharge for Fernox Cleaner products above 100L water capacity€75
Installation work for new builds and renovations
- Reflex Exdirt Twist dirt separator€105
- Reflex Exvoid Twist air separator€105
- Caleffi Dirtmag dirt separator€135
- Fernox TF1 Sigma dirt separator€135
- Flamco Xstream air separator€140
- Flamco Xstream Clean dirt separator€155
Show all 8 services
- Spirotech SpiroVent RV2 air separator€150
- Spirotech SpiroTrap MB3 dirt separator€175
Maintenance and repair
- Subscription B – Heat pump maintenance€115
- Subscription C – Mechanical ventilation (MV) maintenance€35
- Subscription D – Heat recovery ventilation (WTW (Dutch term for heat recovery ventilation)) maintenance€65
Prices are indicative. Check with the business before you go.
At a glance
| Listed under | Boiler and heating |
|---|---|
| Location | 2592 XT Den Haag |
| Number of services | 21 |
| Prices | €35 – €1995 |
| Google rating | 4.8 out of 5 (32 reviews) |
| Weekend | Saturday |
| Phone | 06 11253402 |
| Website | vtitechniek.nl |
| Last updated | October 2026 |
Good to know
- Emergency service
- Yes
Ratings
- 4.8Google32 reviews
Ratings belong to the platforms named. Read the reviews there.
Frequently asked questions
What does van Treijen Installatietechniek offer?
van Treijen Installatietechniek lists 21 services, including Intergas Kombikompakt HRE 28/24A CW4, Nefit Proline nXt HRC24 CW4, New central heating boiler, Central heating boiler maintenance 2026 and Advice consultation.
Where is van Treijen Installatietechniek?
van Treijen Installatietechniek comes to you, in and around Den Haag.
When is van Treijen Installatietechniek open?
Monday 08:00–17:00, Tuesday 08:00–17:00, Wednesday 08:00–17:00, Thursday 08:00–17:00, Friday 08:00–17:00, Saturday 10:00–16:00. Check with the business before you go.
How do I book with van Treijen Installatietechniek?
Call 06 11253402. Or contact the business through its website.
How is van Treijen Installatietechniek rated?
On Google, van Treijen Installatietechniek has 4.8 out of 5 from 32 reviews.
This listing is based on public information, such as the business's own website. It can contain mistakes.
Contact
2592 XT Den Haag
van Treijen Installatietechniek does not manage this listing yet. Contact the business directly.
Opening hours
| Monday | 08:00–17:00 |
|---|---|
| Tuesday | 08:00–17:00 |
| Wednesday | 08:00–17:00 |
| Thursday | 08:00–17:00 |
| Friday | 08:00–17:00 |
| Saturday | 10:00–16:00 |
| Sunday | Closed |
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