Eco6therm Sàrl
2832 Rebeuvelier · about 109.2 km
Eco6therm specializes in the installation of heating systems, particularly heat pumps, and solar photovoltaic energy solutions.
eco6therm.chHome solar battery · Lachen
Solar battery installation in Lachen: Guide and costs
Are you planning to optimize your photovoltaic installation in Lachen? Adding a home solar battery is an excellent way to maximize self-consumption and reduce dependence on the local power grid. By storing excess energy produced during the day, you can use your own electricity after sunset. To get a precise estimate of costs for your residential project, use the free RenoIndex estimator now to plan your energy transition with confidence and gain clarity on potential investment ranges.
At a glance
- Typical budget
- CHF 8'100 – CHF 17'200
- Midpoint
- CHF 11'800
- Grants found
- 0
- Nearby companies
- 4
Worked examples in Lachen
Small project
CHF 4'400 – CHF 10'200
Typical project
CHF 8'100 – CHF 17'200
Large project
CHF 13'900 – CHF 28'500
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 5 kWh | CHF 4'400 | CHF 10'200 | CHF 1'400 |
| Typical project | 10 kWh | CHF 8'100 | CHF 17'200 | CHF 1'200 |
| Large project | 18 kWh | CHF 13'900 | CHF 28'500 | CHF 1'100 |
Computed with our estimator for Lachen (regional factor included), standard finish. Only the project size changes.
Cost split (typical project)
- Labour : CHF 2'400 (20 %)
- Materials : CHF 8'200 (70 %)
- Other costs : CHF 1'200 (10 %)
What the price covers
Included
- Supply and installation
- VAT
- Battery, charge management and standard connection; options according to answers
Not included
- Permits and architect fees
- Unexpected structural issues
- Possible subsidies
- Solar panels and complete electrical refurbishment
Lachen's housing stock in figures
In Lachen, the federal building register lists 1'165 residential buildings and 4'567 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
48 % built before 1980
- Before 19197 %
- 1919–19459 %
- 1946–19607 %
- 1961–19708 %
- 1971–198017 %
- 1981–199014 %
- 1991–200010 %
- 2001–201013 %
- Since 201115 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
36 % · Heating oil
- Heating oil36 %
- Heat pump22 %
- Gas19 %
- District heating11 %
- Electricity8 %
- Wood3 %
- Solar thermal1 %
This distribution describes recorded buildings, not your system's consumption or efficiency.
Heating and hot water: which energies?
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 19 % | 10.1 % |
| Heating oil | 36 % | 33.5 % |
| District heating | 11 % | 9.5 % |
| Heat pump | 22 % | 8.1 % |
| Electricity | 8 % | 31 % |
| Wood | 3 % | 1.7 % |
| Solar thermal | 1 % | 5.6 % |
Each line gives the share of buildings using that energy, separately for heating and for hot water. The two columns do not always reach 100%: some buildings combine two systems, or reported none.
Type of heating system
- Boiler (unspecified)56.3 %
- Heat pump22 %
- Heat exchanger (district)10.7 %
- Central electric heating6.1 %
- Direct electric heaters2 %
- Stove1.6 %
A standard non-condensing boiler is usually older and less efficient.
Houses or apartment buildings?
- Single-family houses48.8 %
- Two-dwelling houses12.8 %
- Apartment buildings (3+)38.5 %
13.2 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 3
- median footprint
- 136 m²
- median dwelling area
- 100 m²
Renovations, heritage and volumes
For renovation projects in Lachen, official building register data provides key insights for your planning. With only one protected heritage site among 217 known buildings, heritage restrictions are limited, though contacting the municipality early is always advisable. The median building volume is 975 m3, which serves as a helpful reference for scaling heating and insulation works. Please note that data coverage is partial, as volume measurements according to the SIA 416 standard are available for only two houses. Consequently, homeowners should consult local experts to ensure their specific renovation budget aligns accurately with their property's unique dimensions.
1
buildings flagged as protected
status known for 217 of 1'165 buildings; check with the municipality
975 m³
median house volume (SIA 416)
measured for 2 of 568 houses
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Why invest in a solar battery?
A battery is worthwhile when solar output clearly exceeds your daytime use. By storing surplus energy, you avoid feeding all your production back into the grid at lower rates. This allows for intelligent management of your household energy flow in Lachen.
Before proceeding, carefully analyze your annual consumption profile and the current yield of your panels.
A well-integrated battery transforms your installation into a source of near-autonomy, improving the overall profitability of your photovoltaic system over the long term and ensuring efficient use of your green energy.
Sizing and technical capacity
Size capacity by evening consumption, not panel power. It is not efficient to install an oversized battery if your household does not consume the stored energy during the night. The goal is to strike a balance between daytime surplus and your nighttime needs.
A qualified installer can assist you in calculating the ideal size based on your consumption peaks. Keep in mind that changes in your household needs may influence your initial choice.
Use the RenoIndex estimator to compare different capacity options and associated costs for your home.
Compatibility and installation
Check compatibility with your existing inverter before buying. Some systems require a hybrid inverter, while others can be added as AC-coupled solutions to an existing setup.
Ensure that there is sufficient space in your utility room and that ventilation and fire safety standards are met. Installation must be performed by certified professionals to validate the manufacturer's warranty and ensure compliance with Swiss standards.
Consult a specialist to evaluate the physical location and technical constraints specific to your building in Lachen to guarantee a successful setup.
Maintenance and durability
Modern solar batteries, primarily based on lithium-ion technology, require little maintenance. However, it is essential to monitor performance through the manufacturer's provided app.
Periodic inspection allows you to check the system's health and optimize charge cycles. Battery lifespan depends on ambient temperature and usage frequency. By choosing high-quality equipment, you ensure greater durability for your investment.
Use RenoIndex to get an overview of prices and find a sustainable solution that integrates perfectly with your energy needs and provides reliable power for many years.
Your project in 5 steps
1. Estimate
Set a budget range with the estimator.
2. Grants
Apply before work starts.
3. Quotes
Compare at least 3 quotes.
4. Permit
Check with the municipality whether a permit is needed.
5. Works
Follow the site and do a written handover.
Grants and subsidies
No specific grant listed for this work. Maintenance tax deductions may still apply.
Companies in the area
TELEC Renggli S.A. (Télécommunications, Electricité et Commerce)
2735 Malleray · about 118.7 km
Company specialized in electrical installations and telecommunications systems, including network infrastructure and related trade.
telecrengglisa.chTZ Stromag, Filiale Visp
3930 Visp · about 124.7 km
TZ Stromag offers comprehensive electrical engineering services for residential buildings, including installations, telematics services, and security.
stromag.chSteinlin und Partner AG
3930 Visp · about 124.7 km
Steinlin und Partner AG is a Swiss company specializing in electrical installations, energy solutions such as photovoltaics, and IT services.
steinlin.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Frequently asked questions
Is a permit required for a battery?
Generally, residential energy storage installations indoors do not require specific building permits. However, it is recommended to verify the requirements of your insurance provider and the fire safety standards currently applicable in the canton of Schwyz before proceeding with the installation.
What is the lifespan of a solar battery?
Most modern solar batteries have an estimated lifespan between 10 and 15 years. This figure can vary depending on the battery chemistry and the number of charge and discharge cycles performed on a daily basis.
Are batteries compatible with all installations?
No, compatibility depends on your existing inverter. It is crucial to check whether your current equipment is compatible with a lithium-ion battery or if it requires an upgrade to a hybrid inverter during the installation process.
Can I install the battery myself?
No, an electrical installation must be performed by a certified professional. This ensures the safety of your home, compliance with Swiss electrical standards, and the preservation of your battery's manufacturer warranty.
Works often combined in Lachen
Other works in Lachen
Kitchen renovationBathroom renovationNew flooringInterior paintingWindow replacementRoof renovationFacade insulationHeat pump installationSolar panelsSolar water heatingTerrace constructionFence installationStairwell renovationElevator installation or upgrade