Heat pump installation · Écublens

Heat Pump Installation in Écublens: The Comprehensive Guide

Are you considering optimizing the thermal comfort of your home in Écublens while reducing your carbon footprint? Installing a heat pump is a relevant solution, perfectly aligned with the municipal Climate Plan's goals to reach carbon neutrality by 2050.
Heat pump installation – Écublens

Worked examples in Écublens

Small project

CHF 32'900 – CHF 60'300

Typical project

CHF 41'600 – CHF 77'500

Large project

CHF 54'600 – CHF 103'300

Computed with our estimator for Écublens (regional factor included), standard finish. Only the project size changes.

Cost split (typical project)

  • Labour : CHF 23'300 (40 %)
  • Materials : CHF 29'100 (50 %)
  • Other costs : CHF 5'800 (10 %)

Why and when to undertake these works in Écublens

5 °C, Écublens has significant heating needs, marked by 48 frost days per year. Switching to renewable energy aligns with the commune's commitment, as an 'Energy City', to reduce greenhouse gas emissions by 35% by 2030 compared to 2020.

As an owner, acting proactively allows you to enhance your property value while anticipating the end-of-life of current fossil-fuel systems.

It is recommended to act before a critical failure of your current boiler occurs, to avoid being pressured in your choice of system. First, check if your neighborhood is connectable to a priority district heating network like ECUCAD, which uses wood to supply areas such as the Croset district or the industrial zone.

If your home is not in a priority supply zone, a heat pump is a high-performance alternative to move away from fossil fuels and meet the requirements of the local Climate Plan.

Technical choices that affect the project

5 °C in Écublens. This parameter is crucial to ensure that the installation will cover your needs during the 48 annual frost days without loss of comfort.

The choice between an air-to-water, air-to-air, or geothermal heat pump will depend on your plot configuration, available space for the outdoor unit, and the nature of your current distribution network.

It is imperative to consider noise levels, as outdoor units must strictly comply with noise limits toward your neighbors. Some equipment ranges offer advanced acoustic reduction technologies.

Furthermore, although the estimated photovoltaic yield is 1206 kWh/kWp/year on a south-facing roof, coupling a heat pump with solar panels remains a wise choice to optimize your energy self-consumption throughout the year, thus strengthening the overall profitability of your initial energy investment.

Specifics of the local building stock according to construction era

Energy renovation in Écublens requires adapting the heating system to the actual state of your thermal insulation. For buildings constructed before 1990, the risk of asbestos in structural elements, glues, or old insulation is a factor not to be overlooked during drilling or network modifications.

Prior analysis by a professional is recommended to identify these sensitive materials and ensure safe site management.

Older buildings often feature high-temperature radiators that require verification of their compatibility with the low-temperature regime of modern heat pumps. The energy efficiency of your project will largely depend on the quality of your thermal envelope.

Before sizing your pump, it may be strategic to improve the insulation of windows or attics, interventions often eligible for support.

While specific housing data for Écublens is limited, it is advisable to consult municipal archives or the cadastre to identify any heritage protections that might impact the exterior appearance of your installation.

Authorizations, rules, and heritage in Écublens

In the Canton of Vaud, installing a heat pump is generally subject to a simplified procedure or a building permit exemption.

However, this flexibility does not exempt you from checking specific constraints with the municipality or the prefecture, particularly regarding noise pollution for air-to-water or air-to-air models. These noise criteria are taken into account to protect the immediate neighborhood.

If your building is protected or located in a protected zone, or if the work leads to a significant modification of the external appearance, the procedure may differ. It is therefore essential to send an inquiry to the municipal administration before making any financial commitment.

This step helps clarify whether your project requires a full building permit or if a simplified notification is sufficient. Remember to verify, as part of your overall project, if specific rules apply to installing roof solar panels, although the procedure is generally simplified or exempt in the canton.

Financial aid and taxation

To reduce the cost of your work, you can apply for a grant via the Buildings Program. The amount varies depending on the type of heat pump and the installed power, generally amounting to a few thousand francs. The essential condition is to file your application before starting the work.

This program actively encourages the replacement of fossil-fuel or electric heaters with heat pumps, an approach supported by both the Confederation and the Canton of Vaud.

Tax-wise, investments intended to save energy are 100% tax-deductible. If your investment costs exceed your net income for the year, you have the option to carry forward the balance to the following two tax periods.

Note, however, that if you opt for the lump-sum deduction for maintenance costs, you cannot simultaneously deduct these energy investments.

It is therefore recommended to calculate the most advantageous option each year between actual costs and lump-sum deduction, keeping in mind that energy investments are deductible costs in addition to standard maintenance expenses.

Timeline: Typical construction process

The implementation of a heat pump project in Écublens follows several key stages. It all starts with a feasibility study and the choice of equipment, followed by the grant application to the Buildings Program, an imperative step before validating any quote.

Once the principal agreement is obtained and municipal authorizations are verified, installation planning can begin. It is best to avoid the winter period, marked by 48 frost days, so as not to interrupt your home's heating during the works.

Once the period is chosen, installers proceed with the removal of the old boiler, the preparation of the technical room, and, if necessary, the connection to the distribution network.

The installation of the outdoor unit, requiring a stable base and compliance with distances to the neighborhood to limit noise, is a central phase. Finally, the system is commissioned with precise settings to optimize efficiency.

The total duration of the site will depend on the complexity of the adaptations on your internal heating network, while remaining an operation that can be planned outside the most rigorous months.

Common errors to avoid and checklist

The main error is to start work before having obtained confirmation of your grant. You must systematically check if your neighborhood is connectable to a priority district heating network before considering an individual heat pump.

Ensure that the selected company is capable of respecting the noise standards in force for outdoor units, to avoid neighborhood conflicts. Do not forget to check the state of your insulation, as a high-performance system cannot compensate for excessive thermal loss.

5 °C; confirm the compatibility of your current radiators with the low-temperature mode; request an acoustic assessment of the future location of the outdoor unit; submit your grant application to the Buildings Program; check if insulation work for the attic or windows is appropriate simultaneously; ensure the compliance of procedures with the municipality.

Grants and subsidies

Canton

Heat pump grant — Buildings Programme

Amount varies by heat pump type and capacity (typically several thousand francs).

Support for replacing fossil or electric heating with a heat pump via the Swiss Buildings Programme and the canton of Vaud.

www.leprogrammebatiments.ch

Check amounts and conditions with the provider before signing: apply before work starts in most cases.

Companies in the area

IPSA Isolations SA

1024 Ecublens VD · about 0 km

Specialist in technical insulation for heating, plumbing, and ventilation systems, providing thermal, acoustic, and fire protection solutions.

ipsa-isolations.ch

Dumnica SA

1024 Ecublens VD · about 0 km

General contractor in Ecublens specialized in construction, full energetic renovation, and HVAC-plumbing-electrical services in French-speaking Switzerland.

dumnica.ch

Tech Building SA, Succursale Vaud

1022 Chavannes-près-Renens · about 1.3 km

Swiss energy infrastructure expert specializing in the design, installation, and maintenance of heating, ventilation, and air conditioning systems.

tech-building.ch

DOLEFAR SA

1026 Denges · about 1.7 km

DOLEFAR SA, based in Denges, installs and maintains heating, solar PV, solar thermal and plumbing systems in French-speaking Switzerland, with tiling also listed in its registered business purpose.

dolefar.com

Suggestions from the commercial register by distance and activity. Not an endorsement or partnership.

Frequently asked questions

What is the ECUCAD network?

ECUCAD is a company created by SIE and Romande Energie to develop district heating in Écublens. This network mainly uses wood to provide thermal energy to priority areas such as the Croset district.

Is the heat pump efficient when it freezes?

Yes, if the system is correctly sized taking into account the local temperature of -4.5 °C. Rigorous sizing guarantees optimal thermal comfort during the 48 annual frost days.

How can I get grants?

You must submit your grant application via the Buildings Program strictly before starting the work. The amount varies according to the power and type of installed pump.

Do I need a building permit?

In the Canton of Vaud, the installation is often subject to a simplified procedure or exemption. It is advisable to check with the municipality according to your building's specific situation.

Do heat pumps make noise?

Air-to-water models must respect strict noise limits toward your neighbors. There are models with advanced acoustic reduction technologies to minimize this impact.

Can I deduct this work from my taxes?

Yes, energy investments are 100% deductible. If costs are high, the balance can be carried forward to the following two tax periods under certain conditions.

Why must asbestos be checked before work?

In buildings built before 1990, asbestos may be present in the structures. A check is essential to ensure site safety and the health of those involved.

Useful local data

Altitude — 426 m

Source : swisstopo – service d'altitude (MNT)

Heating degree days — 2'759 Kj/an (20/12 °C)

Source : Open-Meteo Historical Weather API (réanalyse ERA5, moyenne 2015-2024)

Frost days — 48 jours/an

Source : Open-Meteo Historical Weather API (réanalyse ERA5, moyenne 2015-2024)

Solar irradiation — 1'371 kWh/m²/an (horizontal)

Source : Open-Meteo Historical Weather API (réanalyse ERA5, moyenne 2015-2024)

Winter design temperature — -4.5 °C (1er percentile des minimales)

Source : Open-Meteo Historical Weather API (réanalyse ERA5, moyenne 2015-2024)

Mean temperature — 11.6 °C

Source : Open-Meteo Historical Weather API (réanalyse ERA5, moyenne 2015-2024)

Estimated solar yield — 1'206 kWh/kWc/an (toit ~30° sud, PR 0.8, estimation)

Source : Open-Meteo Historical Weather API (réanalyse ERA5, moyenne 2015-2024) · estimate

District heating

  • Note : ECUCAD est une société créée par SIE et Romande Energie pour développer le réseau de chauffage à distance. La centrale de production est achevée depuis fin avril 2026.
  • Operator : ECUCAD
  • Has network : ✓
  • Network : ECUCAD
  • Connection obligation : Communes d'Ecublens, de Renens et de Chavannes-près-Renens, incluant le quartier du Croset et la zone industrielle (Migros Vaud / JOWA) à Ecublens.

Source : SIE - Chauffage à distance

Energy policy

  • Note : La Ville d’Ecublens a dévoilé en février 2023 son premier Plan climat, élaboré grâce à la participation entière de l’administration et de la population. Cette feuille de route ambitieuse permettra de répondre aux enjeux climatiques et d’atteindre la neutralité carbone d’ici à 2050.
  • Targets : Le Plan climat d’Ecublens vise à réduire d’ici à 2030 de 35 % en moyenne les émissions de gaz à effet de serre (GES) du territoire par rapport à 2020. La Ville montrera l’exemple avec l’objectif de zéro émission nette de GES en 2035.
  • Climate plan : Plan climat
  • Label : Cité de l'énergie

Source : Ecublens.ch - Plan climat

Tax deductionsCanton

  • Note : Le contribuable peut choisir, lors de chaque période fiscale et pour chaque immeuble, entre la déduction des frais effectifs et la déduction forfaitaire. La déduction forfaitaire couvre les frais d'entretien, de remise en état d'immeubles acquis récemment, d'administration par des tiers, d'investissements énergétiques, de démolition et de primes d'assurances.
  • Carry-forward : Si les coûts d'investissement destinés à économiser l'énergie et à ménager l'environnement ou les frais de démolition en vue d'une construction de remplacement ne peuvent pas être entièrement pris en considération fiscalement durant l'année où ils ont été engagés, le solde peut être reporté sur les deux périodes fiscales suivantes. Les dépenses peuvent être reportées si le revenu net est négatif. Si des frais sont reportés, il n'est pas possible de faire valoir une déduction forfaitaire pendant cette période fiscale. En cas de déménagement en Suisse ou de transfert de la propriété de l'immeuble, le contribuable conserve le droit de déduire le solde des frais pouvant être reportés.
  • Maintenance costs : Le contribuable qui possède des immeubles privés peut déduire les frais nécessaires à leur entretien, les primes d'assurances relatives à ces immeubles et les frais d'administration par des tiers.
  • Energy investments : Sont réputés investissements destinés à économiser l'énergie et à ménager l'environnement les frais encourus en vue de rationaliser la consommation d'énergie ou de recourir aux énergies renouvelables. Ces investissements concernent le remplacement d'éléments de construction ou d'installations vétustes et l'adjonction d'éléments de construction ou d'installations dans des bâtiments existants. Si les mesures sont subventionnées par la collectivité publique, le contribuable ne peut déduire que les frais qu'il assume lui-même. Le taux de déduction est de 100%.

Source : Règlement sur la déduction des frais relatifs aux immeubles privés (RDFIP)

PermitsCanton

  • Competent authority : municipalité ou préfet
  • Solar panels : Soumis à la procédure simplifiée ou dispense de permis de construire
  • Heat pump : Soumis à la procédure simplifiée ou dispense de permis de construire. Pour les pompes à chaleur air-eau ou air-air, les nuisances sonores sont prises en compte.
  • Procedure : procédure simplifiée de permis de construire (dispense de permis de construire)
  • Windows and facades : Soumis à la procédure simplifiée ou dispense de permis de construire, sauf si le bâtiment est protégé ou situé dans une zone protégée, ou si les travaux entraînent un changement d'affectation, d'aspect extérieur ou de gabarit important.

Source : Canton de Fribourg: Permis de construire (example, this is Fribourg) · estimate

Other works in Écublens

Heat pump installation in nearby towns