Servicing & obligations
Gas boiler servicing in Brussels: every 2 years, what the law says
In the Brussels-Capital Region, servicing a gas boiler isn't optional: it's a legal requirement, at least once every two years. Here's what this service actually covers and why putting it off costs more than you'd think.
By DPS Chauffagiste · Published on 12 August 2026 · Updated on 19 September 2026 · 2 min read
This article was translated from French.
In Brussels, servicing of a natural gas boiler is governed by EPB (energy performance of buildings) regulations: the EPB periodic inspection is mandatory every 2 years for gas boilers and water heaters, and every year for heating oil systems, regardless of the appliance's power or age. It is carried out by an approved EPB boiler technician, who issues a certificate.
People often talk about an annual service, but for gas in Brussels, the legal requirement is every 2 years. More frequent servicing remains possible if you wish.
What the approved technician checks
A thorough service goes well beyond a quick wipe of the burner. The technician checks in particular:
- Combustion (CO levels, efficiency) using a flue gas analyser
- The tightness of the gas circuit and the flue gas exhaust
- The condition of the heat exchanger, burner and safety devices
- The pressure of the heating circuit and the proper functioning of the expansion vessel
At the end of the inspection, you are given a periodic inspection certificate: keep it safe, as it may be requested by your insurer in the event of a claim or when selling the property.
Why you shouldn't put it off
A poorly maintained boiler loses efficiency (and so uses more gas for the same level of comfort) and carries a real risk of carbon monoxide poisoning if combustion is faulty. It's also often during servicing that an emerging fault is spotted before it brings the whole system to a halt in the middle of winter.
To arrange a service or check when your periodic inspection is due, contact us.
Further reading
Legionella in hot water tanks in Brussels: the maintenance habits that protect you
Legionella is often a source of worry whenever hot water tanks come up in conversation, but the risk is easy to manage with a few simple adjustments. DPS Chauffagiste looks at the conditions that favour this bacteria and the maintenance habits that help you guard against it with peace of mind.
2 October 2026 · 6 min read
Servicing & obligationsBoiler servicing in Brussels: is it the tenant's or the landlord's responsibility?
Between the standard lease, legal safety obligations and each agency's own habits, it's easy to get confused about boiler servicing. We clarify who organises and who pays for what, and why keeping the certificates protects both tenant and landlord.
24 September 2026 · 8 min read
Servicing & obligationsWhy You Should Bleed Your Radiators
A radiator that's cold at the top but warm at the bottom, or a gurgling noise in the pipes? This is often a sign of trapped air, meaning it's time to bleed your radiators. DPS Chauffagiste explains why this simple task protects your comfort, your bills and your heating system.
16 September 2026 · 7 min read
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