Heat pump, at 1,660 m
Heat pumps and air conditioning (your trade)Application withdrawn
- Status
- Withdrawn
- Your turn
- ≈ Jan 2027
- Size
- ≈ Small
- Published on
- 23 Oct
Who to call
No company is named in the application. The town’s building office can point you in the right direction.
Town of GrächenBuilding office
- A heat pump next to the building
- The ground: sloping (19%)
- At 1,660 m, snow in winter
All the details and sources
Your turn≈ In 3 months (Jan 2027). You are among the first.
All the trades on this job, in the order they come in
Heat pumps and air conditioning (your trade)Jan 2027 to Jul 2027
≈ from the publication date and the usual length of a job.
The official applicationEinbau einer Luft-Wasser-Wärmepumpe · official text in German
Application withdrawn, since 23 October 2026.
Official text, in German
Einbau einer Luft-Wasser-Wärmepumpe
- ≈ Size estimated from the type of works.
Grants for your client1 grant to suggest, to check
- Possible subsidy: replacing the heating with a heat pump (Programme de promotion énergétique du Valais)Cantonal programme: Valais / Wallis leprogrammebatiments.ch
Programmes change: check before you mention them.
Sources9 sources, with their links
- Kranli estimates and calculationsYour turn · The official application
- Official publication (Official Gazettes Portal (SECO))23 October 2026 · The official applicationamtsblattportal.ch
- Programme Bâtiments et programme cantonal (VS)23 October 2026 · Grants for your clientleprogrammebatiments.ch
- swisstopo, modèle de terrain swissALTI3D (service de profil geo.admin.ch)23 October 2026 · Ground and seasonmap.geo.admin.ch
- swisstopo, altitude (geo.admin.ch)23 October 2026 · Ground and seasonmap.geo.admin.ch
- MétéoSuisse, normes climatologiques 1991-202019 June 2025 · Ground and seasonmeteosuisse.admin.ch
- MétéoSuisse, danger de grêle (taille des grêlons, période de retour de 50 ans)23 October 2026 · Ground and seasonmeteosuisse.admin.ch
- geodienste.ch, protection des eaux (canton)23 October 2026 · Local rulesgeodienste.ch
- geodienste.ch, cartes des dangers (canton)23 October 2026 · Local rulesgeodienste.ch
Ground and seasonSteep slope (19 %) · outdoors from May to October · hailstones of 2.5 cm
19 %Steep slopeMeasured within 35 m of the building.
- Heat pumps and air conditioning: ≈ 4 of these 7 months have snow at this altitude: outdoor work will more likely happen from May to October. The replacement will probably fall in the heating season (6 of 7 months): think about temporary heating during the works.
- Roofs: ≈ 5 of these 7 months have frost every other night: protect wet work (render, mortar, concrete, waterproofing) or postpone it.
- ≈ Hail: 2.5 cm hailstones expected once in 50 years hereFor roof, façade, panels and blinds: hail resistance HW 3 or more (protection target of the SIA 261/1 standard, according to the Swiss Hail Register)
Local ruleswater protection S3 · avalanche: residual hazard
- Groundwater protection zone S3Groundwater protection areaGeothermal probes: check with the canton before any drilling
- Natural hazard, avalanche: residual level