F. Imeri Sàrl
2829 Vermes · about 47 km
The website presented under the name Imeri Chauffage et Sanitaire Sàrl offers plumbing, heating and solar thermal work, while F. Imeri Sàrl’s registered purpose refers to a scrap metal business.
imeri-sarl.chSolar water heating · Gränichen
Solar Water Heating in Gränichen: Renovation Guide
Are you considering installing a solar water heating system in Gränichen to reduce energy costs? Solar energy is a sustainable solution for heating your domestic hot water. Before starting your work, it is essential to carefully plan the integration of these technologies on your roof. Whether you want a simple installation or a system coupled with your heating, good preparation guarantees optimal efficiency. Use the free RenoIndex estimator to get an accurate cost range in Swiss francs for your local project.
At a glance
- Typical budget
- CHF 11'800 – CHF 27'400
- Midpoint
- CHF 19'000
- Grants found
- 0
- Nearby companies
- 4
Worked examples in Gränichen
Small project
CHF 9'200 – CHF 21'500
Typical project
CHF 11'800 – CHF 27'400
Large project
CHF 16'200 – CHF 37'300
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 3 m² | CHF 9'200 | CHF 21'500 | CHF 5'000 |
| Typical project | 6 m² | CHF 11'800 | CHF 27'400 | CHF 3'200 |
| Large project | 11 m² | CHF 16'200 | CHF 37'300 | CHF 2'300 |
Computed with our estimator for Gränichen (regional factor included), standard finish. Only the project size changes.
Cost split (typical project)
- Labour : CHF 7'600 (40 %)
- Materials : CHF 9'500 (50 %)
- Other costs : CHF 1'900 (10 %)
What the price covers
Included
- Supply and installation
- VAT
- Collectors, controls, standard connection and tank according to answers
Not included
- Permits and architect fees
- Unexpected structural issues
- Possible subsidies
- Roof refurbishment and replacement of main heating
Gränichen's housing stock in figures
In Gränichen, the federal building register lists 2'024 residential buildings and 3'867 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
57 % built before 1980
- Before 191911 %
- 1919–194513 %
- 1946–196014 %
- 1961–197010 %
- 1971–19809 %
- 1981–199012 %
- 1991–200010 %
- 2001–201010 %
- Since 201112 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
50 % · Heating oil
- Heating oil50 %
- Heat pump33 %
- Wood7 %
- Gas6 %
- Electricity4 %
This distribution describes recorded buildings, not your system's consumption or efficiency.
Heating and hot water: which energies?
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 6 % | 2.7 % |
| Heating oil | 50 % | 31.1 % |
| Heat pump | 33 % | 6.4 % |
| Electricity | 4 % | 56.3 % |
| Wood | 7 % | 2.5 % |
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)60.4 %
- Heat pump32.9 %
- Central electric heating3.1 %
- Stove2.1 %
- Direct electric heaters0.5 %
A standard non-condensing boiler is usually older and less efficient.
Houses or apartment buildings?
- Single-family houses78.1 %
- Two-dwelling houses8.9 %
- Apartment buildings (3+)12.9 %
6.1 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 2
- median footprint
- 118 m²
- median dwelling area
- 108 m²
Renovations, heritage and volumes
For your renovation plans in Gränichen, official registers indicate that 488 buildings are subject to heritage protection, making it essential to contact municipal authorities early regarding necessary permits. Regarding building size, the median volume for 26 measured houses is 921 m3 according to the SIA 416 standard, providing a vital reference point for scaling insulation and heating upgrades. Please note that data coverage is partial, as 1555 houses currently lack measurements based on this specific standard. Evaluating these figures carefully will help you prepare an accurate budget and ensure your renovation project proceeds smoothly within local requirements.
488
buildings flagged as protected
status known for 2'024 of 2'024 buildings; check with the municipality
921 m³
median house volume (SIA 416)
measured for 26 of 1'581 houses
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Benefits of Solar Collectors
Solar thermal collectors usually cover much of summer hot water. By capturing free solar radiation, you significantly reduce the load on your main boiler during the sunniest months.
This sustainable solution helps extend the life of your conventional heating system while improving the overall energy performance of your building in Gränichen.
Investing in solar thermal energy is a logical step for any homeowner looking to increase property value and engage in a long-term ecological transition.
It remains a reliable technology for reducing dependence on fossil fuels or electricity for domestic hot water production.
Planning and Sizing
Combining collectors with a heat pump needs a sizing study. It is crucial to assess your actual hot water needs to choose the right number of collectors for your roof area and consumption.
An installation that is too large or too small may reduce the overall efficiency of your equipment. Work with professionals to calculate the ideal orientation for your panels. In Gränichen, your roof pitch will play a determining role in energy capture.
Remember that RenoIndex helps you anticipate market prices for every step of this technical installation.
Financial Support
Several cantons subsidise collectors per m² or per installation. It is recommended to check the current programs in the canton of Aargau before ordering your equipment. These financial aids aim to encourage the adoption of renewable energy for heating.
In addition to cantonal subsidies, some regulations allow for tax deductions for investments in energy efficiency measures. Careful planning of your project not only helps maximize available grants but also ensures better long-term profitability.
Use the RenoIndex tool to estimate your costs and plan your overall budget with peace of mind.
Installation and Maintenance
A well-maintained solar installation in Gränichen will function efficiently for over twenty years.
Although the system is low-maintenance, it is advisable to have the heat transfer fluid and hydraulic circuit pressure checked regularly by a specialized company. These checks ensure that performance remains in line with initial forecasts.
By including these maintenance costs in your budget, you avoid nasty surprises. RenoIndex helps you understand the costs associated with maintaining your solar installation, allowing you to enjoy your renewable hot water with peace of mind 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
Buchwalder Sàrl
2824 Vicques · about 51.2 km
Buchwalder Sàrl in Vicques has specialized in the installation, repair, and renovation of heating and sanitary systems since 1966.
buchwalder-sarl.chSanit & Bilat Fils S.A.
2824 Vicques · about 51.2 km
Specialist since 1968 in sanitary installations, heating (gas, oil, wood, renewable energy), and tinsmithing with 24/7 emergency repair service.
sanit.chGyger Haustechnik
2824 Vicques · about 51.2 km
Gyger Haustechnik specializes in sanitary installations, heating systems, bathroom renovations, and tiling work.
gyger-co.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Frequently asked questions
What is the lifespan of a solar installation?
A well-installed solar thermal system in Gränichen typically lasts between 20 and 25 years. Regular maintenance of the heat transfer fluid and mechanical components helps maximize this longevity while ensuring consistent energy efficiency.
Do I need a permit for solar panels?
In Switzerland, installing solar collectors on a roof is generally subject to a simplified notification procedure. It is advisable to contact your local administration in Gränichen to confirm the specific requirements for your building zone.
Does solar thermal work in winter?
Yes, solar collectors work even in winter when the sun shines, although the yield is lower than in summer. They serve as support to preheat the water, thereby reducing the load on the main heating system.
How can I get a price estimate?
To get a reliable cost estimate in Swiss francs tailored to your project, use the free RenoIndex calculator. It provides a price range based on current standards for energy renovation work.
Works often combined in Gränichen
Solar panels cost in GränichenHeat pump installation cost in GränichenRoof renovation cost in Gränichen
Other works in Gränichen
Kitchen renovationBathroom renovationNew flooringInterior paintingWindow replacementRoof renovationFacade insulationHeat pump installationSolar panelsHome solar batteryTerrace constructionFence installationStairwell renovationElevator installation or upgrade