Gyger Haustechnik
2824 Vicques · about 19 km
Gyger Haustechnik specializes in sanitary installations, heating systems, bathroom renovations, and tiling work.
gyger-co.chSolar water heating · Therwil
Installing solar water heating in Therwil
Are you planning to install solar water heating panels in Therwil to heat your domestic water? Investing in solar energy is an excellent way to increase your property value and reduce your energy bills long-term. Thermal collectors can cover a significant portion of your hot water needs, especially during the sunnier months. Before starting your project, use the free RenoIndex estimator to get a reliable cost estimate for your installation in the canton of Basel-Landschaft and plan your renovation budget effectively.
At a glance
- Typical budget
- CHF 12'400 – CHF 28'800
- Midpoint
- CHF 20'000
- Grants found
- 0
- Nearby companies
- 4
Worked examples in Therwil
Small project
CHF 9'600 – CHF 22'600
Typical project
CHF 12'400 – CHF 28'800
Large project
CHF 17'000 – CHF 39'100
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 3 m² | CHF 9'600 | CHF 22'600 | CHF 5'200 |
| Typical project | 6 m² | CHF 12'400 | CHF 28'800 | CHF 3'300 |
| Large project | 11 m² | CHF 17'000 | CHF 39'100 | CHF 2'500 |
Computed with our estimator for Therwil (regional factor included), standard finish. Only the project size changes.
Cost split (typical project)
- Labour : CHF 8'000 (40 %)
- Materials : CHF 10'000 (50 %)
- Other costs : CHF 2'000 (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
Therwil's housing stock in figures
In Therwil, the federal building register lists 2'377 residential buildings and 4'862 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
53 % built before 1980
- Before 19194 %
- 1919–19452 %
- 1946–19605 %
- 1961–197028 %
- 1971–198014 %
- 1981–199012 %
- 1991–200018 %
- 2001–201012 %
- Since 20116 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
50 % · Gas
- Gas50 %
- Heating oil27 %
- Heat pump12 %
- District heating9 %
- Wood2 %
- Electricity1 %
This distribution describes recorded buildings, not your system's consumption or efficiency.
Heating and hot water: which energies?
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 50 % | 43.2 % |
| Heating oil | 27 % | 13.3 % |
| District heating | 9 % | 8.7 % |
| Heat pump | 12 % | 11.5 % |
| Electricity | 1 % | 16 % |
| Wood | 2 % | 1.1 % |
| Solar thermal | 0 % | 6.1 % |
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)78.2 %
- Heat pump12.4 %
- Heat exchanger (district)8.8 %
- Central electric heating0.6 %
A standard non-condensing boiler is usually older and less efficient.
Houses or apartment buildings?
- Single-family houses80.4 %
- Two-dwelling houses3.1 %
- Apartment buildings (3+)16.5 %
4 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 2
- median footprint
- 90 m²
- median dwelling area
- 98 m²
Renovations, heritage and volumes
For your renovation plans in Therwil, the official RegBL figures provide essential guidance. With 715 buildings under heritage protection, it is vital to contact the municipality early to discuss permit requirements. Regarding building volume, the median is 782.5 m3. However, please note that this figure is based on only 16 properties measured according to the SIA 416 standard, while 1894 properties use other standards or are categorized as unknown. Consequently, data coverage for volume is partial. Furthermore, no specific data regarding the renovation year is recorded, which should be considered during your project assessment.
715
buildings flagged as protected
status known for 2'377 of 2'377 buildings; check with the municipality
782.5 m³
median house volume (SIA 416)
measured for 16 of 1'910 houses
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
How solar thermal works
Solar thermal collectors capture solar radiation to heat a fluid, which then transfers the heat to your hot water tank. This technology is highly efficient, as solar thermal collectors usually cover much of the hot water demand in summer.
Choosing the right roof location is essential to maximize exposure. A well-sized system tailored to the number of occupants optimizes efficiency and results in significant savings.
Use the RenoIndex estimator to get a clear picture of the installation costs from qualified professionals in your area.
Integration with other systems
It is common to pair solar thermal installations with existing heating systems or heat pumps. However, combining collectors with a heat pump needs a sizing study to ensure perfect technical compatibility.
Such a hybrid installation reduces the workload on the heat pump during sunny periods, extending its lifespan. For planning this complex integration, working with qualified professionals is crucial.
RenoIndex provides an initial budget estimate to help you compare various technical configurations for your property.
Financial support and grants
These incentives encourage the transition to renewable energy. While criteria vary, these grants can significantly reduce your upfront project costs.
To get an idea of your net investment after subsidies, use the RenoIndex estimator to simplify your financial planning process.
Why choose solar in Therwil
Opting for solar water heating in Therwil is a strategic choice that combines ecology and savings. By producing your own heat, you become less dependent on the fluctuating prices of fossil fuels.
It is also an effective way to improve your building's energy rating, which increases its resale value. A successful project requires careful planning, from sizing the panels to choosing the right installer.
RenoIndex is here to give you a clear view of costs, allowing you to compare offers with peace of mind.
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 19 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 19 km
Specialist since 1968 in sanitary installations, heating (gas, oil, wood, renewable energy), and tinsmithing with 24/7 emergency repair service.
sanit.chSanit & Bilat Fils S.A., succursale de Courroux
2822 Courroux · about 19.8 km
Sanit & Bilat Fils S.A. is a company specializing in sanitary installations, heating systems, and renewable energy solutions.
sanit.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Frequently asked questions
Is solar thermal enough all year?
No, solar thermal usually only covers a portion of the annual demand. In winter, sunlight is insufficient to heat water alone, requiring a boiler or heat pump as a backup system.
How many m² of collectors are needed?
This depends on your hot water consumption and the number of residents. On average, count about 1 to 1.5 m² of collectors per person to cover a large part of summer needs.
Where to find local grants?
Grants for solar thermal are managed at the cantonal level. Consult the official website of the canton of Basel-Landschaft or the national energy grant portal for current programs.
Can RenoIndex estimate the total cost?
Yes, RenoIndex helps you get an estimated price range. This allows you to plan your budget for purchasing and professional installation of your solar system.
Works often combined in Therwil
Other works in Therwil
Kitchen renovationBathroom renovationNew flooringInterior paintingWindow replacementRoof renovationFacade insulationHeat pump installationSolar panelsHome solar batteryTerrace constructionFence installationStairwell renovationElevator installation or upgrade