Heat Pump in Neuchâtel

Are you looking for a heat pump in Neuchâtel? Between the lakeshore, the slopes below Chaumont and the old centre, the town’s buildings are not all heated in the same way, and the system that suits a villa does not always suit an apartment block in the old town. This page explains what the location changes for a heat pump installation in Neuchâtel, the procedures to plan for and how to compare offers.

Which type of heat pump for a house or apartment block in Neuchâtel?

There are three families of system: the air-to-water heat pump, which draws heat from the outside air; the ground-to-water pump, which uses one or more geothermal probes; and the water-to-water pump, which taps a groundwater source. In Neuchâtel, the choice depends first on the space you have, then on what the ground allows.

The most common jobs are replacing an oil or gas boiler with a heat pump in a villa or small apartment block, connecting to the existing heating circuit (radiators or underfloor heating), fitting or replacing a water heater linked to the pump, and installing suitable controls. The lakeshore is mild, which favours an air-to-water pump: the outside air stays less cold there than on the higher ground of the canton. A professional must nevertheless assess the building itself, because insulation and the flow temperature of the radiators weigh more heavily than the climate alone.

Yellow stone façades: heat pumps in the old town of Neuchâtel

The old town, with its yellow stone façades, its castle and its collegiate church, is the area where caution is most needed. An outdoor unit placed against a stone façade, or visible from a narrow lane, can raise an issue of setting, heritage, neighbours or all three at once. If your building is protected or located in a sensitive area, the municipality must be consulted before any firm quote.

In these older buildings, several very practical questions arise:

• where to place the outdoor unit, or whether to prefer a solution with no unit visible from the street;
• how to run the pipes through thick walls without damaging the stone;
• where to put the hot water tank and the machine in a cellar or technical room that is often cramped;
• whether the existing radiators can run at a lower temperature, or whether they need replacing.

A tradesperson familiar with this type of building can often suggest a less visible option. Tell them from the outset that your building is in the old centre.

Villas around Chaumont, apartment blocks near the lake: space around the building

At the foot of Chaumont, villas generally have a garden or open space that allows the outdoor unit to be kept away from windows, their own and the neighbours’. This is where the air-to-water pump is simplest to install, and where a geothermal probe becomes possible if the ground allows it. On a slope, access for a drilling machine is a point to check with the company.

In the denser districts and along the lake, plots are tighter. The outdoor unit ends up near a property boundary, sometimes near a neighbour’s terrace. For a rental block, the central boiler room most often calls for a single installation, sized for all the flats. The higher parts of the municipality, towards Chaumont, are cooler than the lakeside: state the exact location in your request, and the company will adjust the output accordingly.

The municipality grew in 2021 with the merger of Corcelles-Cormondrèche, Peseux and Valangin. The merged villages each have their own building stock, from old village houses to more recent residential districts. Specify which area your address belongs to: local rules may differ there, and the municipality will be able to answer you.

Geothermal probe near Lake Neuchâtel: cantonal authorisation

Drilling means touching the subsoil. A geothermal probe requires cantonal authorisation linked to groundwater protection, and it is not permitted everywhere. In a town built on a lake shore, the question of groundwater arises naturally: do not start any order before you have the answer from the competent cantonal service.

In practical terms, ask the company whether it handles the submission of the authorisation file, what it includes, and what happens if authorisation is refused. A serious quote allows for this possibility and offers a fallback solution, for example an air-to-water pump.

Noise and neighbours: the outdoor unit of an air-to-water heat pump

An air-to-water heat pump installed outdoors must comply with the noise limits of the Noise Protection Ordinance (OPB). In town, where the neighbours’ windows are close, the critical point is the location: a façade corner, a bare wall or a recess will reflect the sound towards neighbouring houses. Ask the company to explain why it proposes a given location and how it checked the noise level at the nearest windows.

Permit, SATAC, landlord and co-ownership: procedures in Neuchâtel

Depending on the municipality, an outdoor heat pump may require a building permit. In the canton of Neuchâtel, building permit applications go through the cantonal one-stop shop SATAC, with the decision taken by the municipality. To find out whether your project is affected, the safest course is to ask the municipality of Neuchâtel before ordering.

On the energy side, the cantonal energy and environment service and the cantonal subsidy programme are the contacts to approach. Subsidies may be available through cantonal programmes (Programme Bâtiments), but the conditions and the timing of the application must be checked: some grants must be requested before the work starts.

Finally, who has the right to decide:

• villa owner: you decide, within the building rules and with regard to the neighbours;
• co-ownership: the owners’ meeting must vote, because the heating or the façade concerns the common parts;
• tenant: the landlord’s written agreement is essential, and it is for them to initiate a change of heating.

Preparing your request and comparing heat pump quotes in Neuchâtel

The more precise the description, the more comparable the quotes. State:

• the type of building (villa, apartment block, village house, old-centre building) and its address;
• the current heating and its age, as well as the type of radiators or underfloor heating;
• the space available outside and in the cellar;
• your wishes: air-to-water or probe, and whether a visible unit is acceptable;
• the state of the insulation, if you know it.

A good quote details the proposed unit, the sizing, the connection work, the controls, the removal of the old installation, who handles the procedures and what is not included. The cost varies mainly with the type of system (a probe involves drilling, an air-to-water pump does not), the output required, site access, the condition of the existing heating network and any procedures involved. No reliable figure can be given without a visit: the quote sets it.

To get started, you can request a quote: your description is passed on to companies in the region who will contact you, with no obligation.

Useful pages for your project in Neuchâtel

• The trade page: heat pump
• The town page: works in Neuchâtel
• The canton: canton of Neuchâtel
• Other works in the municipality: roofing in Neuchâtel, bathroom renovation in Neuchâtel, air conditioning in Neuchâtel