The best brands at the service of your project
24 reference manufacturers + 4 official certifications. We work exclusively with reputable brands, never with low-cost products.
Heating · 13 partners
Heat pumps, biomass, solar thermal
From global leaders like Daikin and Viessmann to Swiss specialists like Aquaris.
Alpha Innotec
Premium heat pumps
Daikin
Air-source heat pumps and air conditioning
NIBE
Scandinavian geothermal heat pumps
Aquaris
Swiss thermal solutions
Panasonic
Aquarea heat pumps
ETA
Austrian biomass heating
LG
Therma V heat pumps
Vaillant
German boilers and heat pumps
Viessmann
Premium heating solutions
Buderus
Heating and hot water
Stiebel Eltron
Next-generation heat pumps
Fröling
Austrian wood heating
Windhager
Heat with Vision
Solar · 11 partners
Panels, inverters, batteries
Enphase, SMA, Fronius: the reference inverters. Megasol for Swiss Made panels.
Enphase Energy
Leading micro-inverters
SMA
Reference-grade German inverters
SolaX Power
Hybrid inverters + batteries
Megasol
Swiss-made panels
Fronius
Premium Austrian inverters
SunPower
High-yield panels
Axitec
German panels
Huawei
FusionSolar smart PV
Victron Energy
Storage and off-grid
Kostal
German hybrid inverters
Soluxtec
High-yield German panels
Our certifications
Recognized by Swiss authorities
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 standards
Why we choose these partners
Equipment is 60-70% of the cost of an install. Choosing a top-tier brand means 20+ years of peace of mind.
Industrial quality
European or Japanese brands with ISO certifications and extended manufacturer warranties.
Proven reliability
Selection based on 10+ years of failure history and after-sales returns. No questionable brands.
Energy performance
COP, PV yield, production monitoring quality. We test in real conditions before approval.
Local after-sales
Spare parts available in French-speaking Switzerland, trained technicians, response within 48h.
Got a favorite brand? We install it.
Mention your preferred brand in the quote request and we'll tailor the study.