Solar water heating · Gaiserwald
At a glance
Small project
CHF 9'000 – CHF 21'100
Typical project
CHF 11'600 – CHF 26'900
Large project
CHF 15'900 – CHF 36'500
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 3 m² | CHF 9'000 | CHF 21'100 | CHF 4'900 |
| Typical project | 6 m² | CHF 11'600 | CHF 26'900 | CHF 3'100 |
| Large project | 11 m² | CHF 15'900 | CHF 36'500 | CHF 2'300 |
Computed with our estimator for Gaiserwald (regional factor included), standard finish. Only the project size changes.
Included
Not included
In Gaiserwald, the federal building register lists 1'782 residential buildings and 4'028 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
45 % built before 1980
Construction year does not reveal past renovations: check the current insulation condition.
44 % · Heat pump
This distribution describes recorded buildings, not your system's consumption or efficiency.
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 9 % | 8.5 % |
| Heating oil | 38 % | 33 % |
| District heating | 4 % | 4 % |
| Heat pump | 44 % | 41.8 % |
| Electricity | 1 % | 5.8 % |
| Wood | 4 % | 2 % |
| Solar thermal | 0 % | 4.9 % |
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.
A standard non-condensing boiler is usually older and less efficient.
7.6 % of buildings mix housing with shops or offices.
For your renovation project in Gaiserwald, RegBL data provides essential guidance despite partial coverage. With 23 buildings officially under heritage protection out of 53 known cases, you must contact the local authorities early to understand specific permit requirements before starting. Furthermore, for houses measured according to SIA 416, the median volume is 1204 m3. Understanding this scale is critical for homeowners when planning appropriate heating system upgrades and insulation improvements. Utilizing these official figures helps ensure your project complies with local regulations while allowing for accurate cost estimation and effective energy planning throughout the entire renovation process.
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Solar thermal collectors are an efficient solution for hot water production. In most cases, these systems cover a large part of your hot water needs during the summer months without relying on your main boiler.
This direct saving on your annual energy consumption is a major lever to recoup your investment over the long term. When planning in Gaiserwald, ensure you evaluate the sunlight available on your roof to maximize the performance of your new solar collectors.
The success of a solar thermal project often depends on good integration with the existing heating system. If you combine solar collectors with a heat pump, a rigorous sizing study is absolutely essential.
This technical step ensures that both systems work in perfect synergy.
In Gaiserwald, it is advisable to consult local professionals to correctly size your installations to avoid unnecessary costs and ensure optimal efficiency, especially during the seasonal transition periods.
It is crucial to inquire about the programs in force in the canton of St. Gallen before validating any quote with a company. These grants can significantly reduce your initial investment.
RenoIndex helps you better understand your overall budget while taking these potential regional aids into account.
Investing in solar thermal energy is not only an ecological gesture but also a strategic choice for your assets. A house equipped with a solar hot water production system becomes more attractive on the local real estate market.
Future buyers in Gaiserwald are increasingly attentive to the energy performance rating of buildings. By improving your installation, you increase the resale value of your home while reducing your monthly charges.
Use our RenoIndex estimator to simulate the cost of your work and visualize the financial impact of your renovation project.
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.
No specific grant listed for this work. Maintenance tax deductions may still apply.
2829 Vermes · about 139.4 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.ch2824 Vicques · about 143.4 km
Buchwalder Sàrl in Vicques has specialized in the installation, repair, and renovation of heating and sanitary systems since 1966.
buchwalder-sarl.ch2824 Vicques · about 143.4 km
Specialist since 1968 in sanitary installations, heating (gas, oil, wood, renewable energy), and tinsmithing with 24/7 emergency repair service.
sanit.ch2824 Vicques · about 143.4 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.
Use our free online RenoIndex estimator. It will provide you with a price range in CHF tailored to the specifics of your solar thermal renovation project in your municipality.
Yes, the canton of St. Gallen offers subsidies for energy renovation. Check the current conditions on the official cantonal website before starting your work to maximize your savings.
Thermal collectors are designed to last about 20 to 25 years. Regular maintenance by a professional ensures constant efficiency throughout the life of the installation.
Solar thermal energy is ideal for hot water but rarely covers 100% of heating in winter. It is therefore necessary to keep a complementary backup heating system.
