
Renewable energy · French-speaking Switzerland
100% tax-deductible until 2028Your energy transition partner
Since 2014, we've helped homeowners, businesses and public bodies transition to clean energy. No subcontracting — a 30+ strong local team.
98%
satisfied clients
30+
specialized staff
11+
years of expertise
100+
installations per year
Our promise
Cut your heating bill by up to 70% with renewable energy
Heat pumps, photovoltaic, optimization: our solutions adapt to your building and constraints to deliver sustainable, economical heating, free from fossil fuels.
Let's talk about your projectUp to
70%
savings on heating bill
Trusted by
The best brands at the service of your project
We work exclusively with manufacturers known for their reliability, performance and warranties. No subcontracting, only quality.
— Heating partners —
— Solar partners —

GSP
Swiss professional association for heat pumps
Gold standard for heat-pump installation quality in Switzerland

PAC Système-Module
Certification for efficient system-based heat pumps
Guarantee of optimal energy performance

Swissolar
Swiss association of solar energy professionals
Active member of the Swiss solar ecosystem

CECB
Cantonal Energy Certificate for Buildings
Certified experts for building energy assessment
Our promise
Local expertise, no middlemen.
Ecotech Énergies is one of the few players in French-speaking Switzerland to keep the entire chain in-house: eco-advisors, engineers, installers. No subcontracting, no empty promises.
Tailored audit
Full energy diagnosis, precise sizing, estimate of applicable cantonal grants.
In-house installation
Our installers are Ecotech employees. You know who's working on your home — we're accountable from start to finish.
Post-install support
Commissioning, training, production monitoring, response under 48h.
Solutions
Five solutions, one partner.
An integrated approach: we combine technologies to maximize your building's energy independence.
Air-source heat pump
Replace your oil or gas boiler with a quiet, high-performance air-source heat pump.
Read the technical detailsGeothermal heat pump
Stable, inexhaustible energy from the earth — 60 years of clean heating.
Read the technical detailsPhotovoltaic
Generate your own electricity, store it, and self-consume up to 80%.
Read the technical detailsSolar thermal
Thermal collectors for domestic hot water and supplementary heating.
Read the technical detailsEnergy optimization
CECB audit, insulation, BMS and tariff optimization to reduce your costs.
Read the technical detailsWater treatment
Protect your systems: anti-scaling, sludge removal, annual maintenance contracts.
Read the technical detailsAir conditioning
Daikin / Mitsubishi Inverter AC: cooling and supplementary heating, ultra-silent, COP 4-5.
Read the technical detailsPellet boiler
A credible alternative to a heat pump: carbon-neutral fuel, efficiency > 92%, fully automatic. Windhager, Hargassner, Fröling brands.
Read the technical detailsWood stove
High-efficiency log stoves, closed hearths and inserts. Stûv, Skantherm, Jotul models, OPair 2018 compliant.
Read the technical detailsMethodology
A clear path, in 4 steps.
/01
Free diagnosis
On-site visit or phone audit. Analysis of consumption and constraints.
/02
Tailored study
Itemized quote, sizing, production simulation, grant filing.
/03
Installation
Coordination, in-house teams, connection, commissioning.
/04
Monitoring & support
Production monitoring, service contracts, manufacturer guarantees.
Projects
Concrete projects, measurable results.
Family home Nyon — Air-source heat pump + 8 kWp PV
Replaced 1998 oil boiler with a Stiebel Eltron air-source heat pump + 22 solar panels and a 10 kWh battery. Family of 4, 180 m².
- Yearly
- CHF 4'200
- CO₂/an
- 5.8 t
- Self-cons
- 62%
Residential building Lausanne — Geothermal + 80 solar panels
Property management, 18-unit 1970s building. 4 geothermal probes (220 m), 80 panels at 410 Wp, 50 kWh battery.
- Yearly
- CHF 38'000
- CO₂/an
- 42.0 t
- Self-cons
- 78%
Industrial SME Plan-les-Ouates — Optimization + 120 kWp
Precision mechanics workshop, 1,200 m² roof. 290 high-performance panels, integrated BMS, binary tariff optimization.
- Yearly
- CHF 52'000
- CO₂/an
- 68.0 t
- Self-cons
- 84%
Why Ecotech
The right partner for your transition.
Local roots
Geneva + Lausanne, field teams who know cantonal specifics.
Zero subcontracting
All our installers are employees. Total quality control.
Grants expertise
We file your grant application — federal Building Programme + cantonal.
Radical transparency
Quotes itemized line by line. No hidden margins, no surprises.
Tax optimization included
Your energy work is 100% deductible from your taxable income until end of 2028. Save up to 30% more thanks to federal deductions. Our team works alongside your accountant.
Coverage
Genève · Vaud · Fribourg · Neuchâtel · Valais · Jura
Two offices, a mobile field team.
Testimonials
What our clients say.
« We were worried about admin complexity. Ecotech handled everything, from quote to cantonal grant filing. CHF 4,000/year saved from year one. Attentive advisors, flawless field team. »
Famille Junod
Homeowners, Nyon
FAQ
Frequently asked questions.
Ready to start your transition?
Request a free quote or book an audit. Reply within 48 working hours.
