Gas boiler service
Cleaning of burner and heat exchanger, safety checks, combustion analysis, adjustment. Service certificate compliant with regional rules handed over on site.
Boiler breakdownCold radiatorBoiler serviceFaulty thermostat? One team.
Boiler down in Lasne? You describe the error code or symptom, we state the diagnosis fee and the repair range. The part is priced before it is ordered.
31minLasne · 35.5 km from our offices · drive time without heavy traffic · The arrival time depends on where the team is and on traffic; it is given to you by phone.
In short — Heating engineer in Lasne
FUSE SERVICES provides heating engineer interventions in Lasne across postcode 1380. Available 24 hours a day, 7 days a week, public holidays included, our team handles breakdowns and heating maintenance day and night. The amount is stated on the phone before the technician leaves. For assistance with your heating system in the municipality, call 02 886 10 49.

Two choices and you have an order of magnitude excluding VAT, without leaving your number. Belgian market ranges, not our own price list.
Estimated range · excl. VAT
6 %: private dwelling over ten years old, works with parts fitted. Otherwise 21 %.
Indicative estimate excluding VAT based on 2026 Belgian market ranges. The actual amount is quoted on the phone and confirmed on site before work begins.
What people in Lasne ask before confirming.
The ranges the market charges in 2026, published as they are. Your exact price for Lasne is stated before the call-out.
2026 Belgian market ranges in euros excluding VAT, taken from public comparison sites; this is not our price list: your amount is quoted on the phone for your situation.
| Job | Indicative price |
|---|---|
| Call-out (flat fee)excl. parts | €24 – 48 incl. 21 % VAT flat rate€20 – 40 excl. VAT · €21 – 42 incl. 6 % VAT |
| Heating engineer hourly rateexcl. parts | €39 – 85 incl. 21 % VAT / h€32 – 70 excl. VAT · €34 – 74 incl. 6 % VAT |
| Conventional gas boiler service (certificate included)excl. parts | €121 – 163 incl. 21 % VAT flat rate€100 – 135 excl. VAT · €106 – 143 incl. 6 % VAT |
| Condensing gas boiler serviceexcl. parts | €163 – 206 incl. 21 % VAT flat rate€135 – 170 excl. VAT · €143 – 180 incl. 6 % VAT |
| Oil boiler service (nozzle and sweep included) | €182 – 302 incl. 21 % VAT flat rate€150 – 250 excl. VAT · €159 – 265 incl. 6 % VAT |
| Flue sweepingexcl. parts | €85 – 121 incl. 21 % VAT flat rate€70 – 100 excl. VAT · €74 – 106 incl. 6 % VAT |
| Fault diagnosis (call-out + 1 h)excl. parts | €157 – 266 incl. 21 % VAT flat rate€130 – 220 excl. VAT · €138 – 233 incl. 6 % VAT |
| Bleeding and balancing the radiator circuitexcl. parts | €121 – 218 incl. 21 % VAT flat rate€100 – 180 excl. VAT · €106 – 191 incl. 6 % VAT |
| Thermocouple or sensor replacement | €145 – 242 incl. 21 % VAT flat rate€120 – 200 excl. VAT · €127 – 212 incl. 6 % VAT |
| Expansion vessel replacement | €218 – 363 incl. 21 % VAT flat rate€180 – 300 excl. VAT · €191 – 318 incl. 6 % VAT |
| Circulation pump replacement | €302 – 544 incl. 21 % VAT flat rate€250 – 450 excl. VAT · €265 – 477 incl. 6 % VAT |
| Boiler heat exchanger replacement | €424 – 847 incl. 21 % VAT flat rate€350 – 700 excl. VAT · €371 – 742 incl. 6 % VAT |
| Surcharge | Evenings, nights, weekends and public holidays: +50 to 100 % on labour; difficult access (cramped cellar, attic): +10 to 25 € |
Sources
The price is fixed on the phone before the technician sets off for Lasne. After that it does not change without your consent.
Boiler type, brand if you know it, symptom or error code. We state the service or diagnosis fee before leaving.
Fee stated by phoneThe engineer identifies the cause, shows it to you and states the repair amount, part included. Without your agreement he opens nothing further.
Agreement before any partWork carried out, combustion analysis, safety and pressure checks. The system is restarted in front of you.
Verified restartService certificate handed over on site, invoice with travel, labour and parts itemised, VAT at 6 % or 21 % shown.
Documents handed over on siteLasne, postcode 1380, Walloon Brabant. One page per municipality, with its neighbours and distances.
Coverage extends across Lasne and its postcodes 1380, 1477, and 1481, reaching sub-localities such as Ohain, Plancenoit, Couture-Saint-Germain, Maransart, and Lasne-Chapelle-Saint-Lambert. Located in Walloon Brabant, where all 27 municipalities are covered, the area sits 17.5 km from our office in Drogenbos. Nearby covered municipalities include Rixensart at 4.0 km, La Hulpe at 5.0 km, Ottignies-Louvain-la-Neuve at 6.3 km, and Waterloo at 7.0 km.
Neighbouring municipalities of Lasne we cover
Localities of Lasne
Local sheet
Neighbouring municipalities of Lasne we cover
One technician comes to Lasne, one itemised invoice.
When a central heating boiler cuts out on a cold night in Lasne, a heating engineer carries out fault diagnosis (call-out + 1 h) to identify the failure. Across an area of 47.2 km2 home to 14175 inhabitants, work involves circulation pump replacement, bleeding and balancing the radiator circuit, or thermocouple or sensor replacement. When calling, residents should state whether the installation is an oil boiler or a condensing gas boiler.
Cleaning of burner and heat exchanger, safety checks, combustion analysis, adjustment. Service certificate compliant with regional rules handed over on site.
Nozzle replacement, combustion chamber cleaning, flue sweeping where needed, burner adjustment and flue gas measurement. Mandatory annual certificate.
Error code, lockout, no hot water, burner that will not start. Fixed-fee diagnosis, then repair amount stated before any part is ordered.
Replacement of the parts behind pressure and circulation faults: pump, expansion vessel, safety valve, automatic air vent. Part reference shown on the invoice.
Bleeding and balancing the circuit, thermostatic valve replacement, fitting a room or smart thermostat. Connection to the existing circuit where needed.
When repairing no longer makes sense: written quote for a condensing boiler, removal of the old one, connection, commissioning and first certificate.
The number one complaint about repair firms is the line nobody saw coming. Here are the ones we rule out.
Document · Commitment
If it is urgent, call. If it can wait, pick a day and time in Lasne: the slot is confirmed straight away.
Describe the situation in three fields. We come back to you with a slot and a price for Lasne.