SJ Techniek
Plumber
5.05 reviews · GoogleThe listing shows 9 services. Prices start at €45. On Google it has 5.0 out of 5 from 5 reviews. The business comes to you.
About SJ Techniek
SJ Techniek is an installer in Den Haag, specialising in central heating boiler installation, maintenance and repair. The company helps private individuals and businesses in Den Haag, the Randstad and surrounding areas.
Services
SJ Techniek provides central heating boiler services and emergency repairs. Maintenance of heat recovery ventilation (WTW) units and mechanical ventilation is also part of its offering.
- Central heating boiler installation
- Annual maintenance
- Emergency repair
- Heat recovery ventilation (WTW) unit maintenance
- Mechanical ventilation maintenance
Rates
Rates are available for maintenance, a maintenance contract, installation, emergency repairs and diagnosis. Prices include VAT.
- Central heating boiler maintenance from €79 per service
- Annual maintenance contract €99 per year
- New central heating boiler including installation €950
- Emergency repair outside office hours from €149
- Bleeding radiators from €59
- Diagnosis & inspection €45, free with repair
Service area
Based in Den Haag, SJ Techniek works in Den Haag's neighbourhoods and in the Randstad and surrounding areas.
- Centrum
- Scheveningen
- Escamp
- Segbroek
- Haagse Hout
- Laak
- Loosduinen
- Leidschenveen-Ypenburg
- Randstad
How it works
You can get in touch by phone or using the form. A quotation follows after contact; appointments are also possible at weekends.
Services and prices
- Central heating boiler installation
- Annual maintenance€79
- Emergency repair€149
- Heat recovery ventilation (WTW) unit maintenance
- Mechanical ventilation maintenance
- Annual maintenance contract€99
- New central heating boiler including installation€950
- Bleeding radiators (entire house)€59
- Diagnosis & inspection€45
Prices are indicative. Check with the business before you go.
At a glance
| Listed under | Plumber |
|---|---|
| Location | Comes to you |
| Number of services | 9 |
| Prices | €45 – €950 |
| Google rating | 5.0 out of 5 (5 reviews) |
| Phone | 06 18157122 |
| Website | sjtechniek.nl |
| Last updated | October 2026 |
Good to know
- Emergency service
- Yes
Ratings
- 5.0Google5 reviews
Ratings belong to the platforms named. Read the reviews there.
Frequently asked questions
What does SJ Techniek offer?
SJ Techniek lists 9 services, including Central heating boiler installation, Annual maintenance, Emergency repair, Heat recovery ventilation (WTW) unit maintenance and Mechanical ventilation maintenance.
How do I book with SJ Techniek?
Call 06 18157122. Or contact the business through its website.
How is SJ Techniek rated?
On Google, SJ Techniek has 5.0 out of 5 from 5 reviews.
This listing is based on public information, such as the business's own website. It can contain mistakes.
Contact
Comes to you
SJ Techniek does not manage this listing yet. Contact the business directly.
Opening hours
Opening hours not known
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