Heat pump installation in Woluwe-Saint-Lambert

Our heat pump installation services

–  Thermal assessment and precise and rigorous sizing of the home

–  Installation of air-water heat pump, as a direct replacement for an old boiler

–  Installation of air-air heat pump, as supplementary or main heating for the entire home

–  Complete adaptation of the existing heating circuit, including radiators, if necessary

–  Dedicated electrical connection and complete and verified commissioning

–  Maintenance and personalized annual maintenance contract and follow-up

VAT and subsidies for a heat pump in Brussels

The 6% VAT now applies to heat pumps installed since January 1, 2026, including in recent homes less than 10 years old, for a period of five years confirmed by the Belgian tax administration.

The Renolution grants that traditionally accompanied this type of installation remain suspended for invoices from 2025 and 2026, a decision confirmed by the Brussels government in February 2026. The ECORENO credit, relaunched in early January 2026 by the Housing Fund at a reduced rate based on household income, is currently the most accessible financing option for this type of project, the cost of which remains significant despite the VAT reduction. Some Brussels municipalities also maintain one-off grants for the replacement of oil boilers, which we systematically verify during the technical visit.

Why choose Avenir Rénovations for your heat pump?

A sizing based on a true thermal assessment

We never offer a standard unit without prior evaluation of the heat loss of the home, which avoids the frequent under-sizing that leads to disappointing electricity bills and dissatisfied customers.

A careful integration into the existing system

Radiators, underfloor heating, or hot water tanks: we adapt the existing installation rather than imposing a complete replacement when it is not necessary.

A clear maintenance contract after installation

Each installation can be followed by an annual maintenance contract, including checking the refrigerant, cleaning the filters, and monitoring actual performance against the original manufacturer data.

Performance in extreme cold and compatibility with existing systems

Current heat pump models remain efficient even at very low outdoor temperatures, rarely reached in Brussels even in mid-winter; an integrated electric backup takes over during the rare cold peaks of the season. Changing all the radiators is not systematically necessary: current high-temperature air-water models often work with existing radiators, provided they are properly sized for the intended use and in good overall condition.

In terms of noise, recent models have made significant progress, with sound levels comparable to a refrigerator for the outdoor unit; however, positioning is still carefully considered, especially in adjoining gardens where proximity to neighbors requires special attention to the choice of location. The required power directly depends on the thermal assessment of the home rather than just the habitable area expressed in square meters: a well-insulated 180 m² house may require less power than a smaller but poorly insulated house, highlighting the importance of the prior on-site diagnosis.

Lifetime and combination with photovoltaics

Generally expect a lifespan of 15 to 20 years with regular annual maintenance, a duration comparable to that of a well-maintained boiler throughout its lifespan. Combining heat pumps and solar panels is becoming an increasingly common association: the photovoltaic production then covers part of the electricity consumption of the heat pump, which significantly improves the overall profitability of the project in the long term.

Replace your heating at the right time

With the return of VAT to 6% and the continuous rise in fossil fuel costs, the current conditions remain favorable in Woluwe-Saint-Lambert for this type of project. The free technical visit remains the first step to accurately assess your situation and the real potential of your existing installation.

Discover our solar panel installation solution or our plumbing work for a complete and coherent energy project.