E. Vauclair SA
2504 Biel/Bienne · about 22.3 km
Operating in Biel/Bienne since 1948, E. Vauclair SA provides plumbing, heating and solar installations, architectural sheet metalwork, roofing and flat roof renovation.
vauclair.chSolar water heating · Zollikofen

At a glance
Small project
CHF 9'400 – CHF 21'900
Typical project
CHF 12'100 – CHF 28'000
Large project
CHF 16'500 – CHF 38'000
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 3 m² | CHF 9'400 | CHF 21'900 | CHF 5'100 |
| Typical project | 6 m² | CHF 12'100 | CHF 28'000 | CHF 3'200 |
| Large project | 11 m² | CHF 16'500 | CHF 38'000 | CHF 2'400 |
Computed with our estimator for Zollikofen (regional factor included), standard finish. Only the project size changes.
Included
Not included
In Zollikofen, the federal building register lists 1'609 residential buildings and 5'859 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
62 % built before 1980
Construction year does not reveal past renovations: check the current insulation condition.
39 % · Heating oil
This distribution describes recorded buildings, not your system's consumption or efficiency.
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 22 % | 20.7 % |
| Heating oil | 39 % | 35.7 % |
| District heating | 11 % | 11.9 % |
| Heat pump | 23 % | 10.7 % |
| Electricity | 3 % | 16.9 % |
| Wood | 2 % | 1.6 % |
| Solar thermal | 0 % | 1.5 % |
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.
A standard non-condensing boiler is usually older and less efficient.
5.3 % of buildings mix housing with shops or offices.
For renovation projects in Zollikofen, official registry data provides vital context for planning. With only two buildings classified as heritage protected out of 1609, owners should contact the municipality early to confirm status and permit requirements. Regarding building scale, coverage is partial; only one house is measured at 858 m3 under the SIA 416 standard, while 882 others remain unmeasured or lack standard data. These figures are essential for homeowners to estimate the scope of heating or insulation works, provided they account for the limited statistical coverage currently available for building volumes within this specific municipality.
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Solar thermal collectors usually cover a large portion of your hot water needs during the summer months, allowing your main boiler to remain in standby mode. In Switzerland, efficiency depends heavily on the slope and orientation of your roof.
A well-sized system maximizes yield throughout the year.
It is advisable to analyze your actual hot water consumption before determining the collector area required for your household, in order to avoid expensive and inefficient over-dimensioning of the equipment.
Plan your installation carefully for long-term savings.
Combining collectors with a heat pump requires a careful sizing study. This synergy allows for optimal energy management but necessitates perfect compatibility between system components.
In the canton of Bern, it is essential to respect applicable building standards for any roof modification. Professional planning ensures that thermal storage is sufficient to cover periods without direct sunlight.
Consider engaging local experts to validate the technical feasibility of your specific installation and to ensure all safety and performance standards are properly met.
Although no specific grants are mentioned for Zollikofen to date, it is highly recommended to check support programs at the level of the canton of Bern before starting work.
These financial aids can make your investment even more cost-effective in the long run. Remember to use RenoIndex to get an indicative price range and plan your overall renovation budget today.
The success of a solar thermal installation relies on foresight. Start by evaluating the condition of your roof; if it needs repairs, it is better to carry them out at the same time as installing the collectors.
Choose certified installers who are familiar with the specifics of the canton of Bern to avoid administrative or technical complications. Regular maintenance is also crucial to extend the lifespan of your equipment.
For a reliable estimate of your renovation costs, use our free RenoIndex tool and start your project with peace of mind.
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.
2504 Biel/Bienne · about 22.3 km
Operating in Biel/Bienne since 1948, E. Vauclair SA provides plumbing, heating and solar installations, architectural sheet metalwork, roofing and flat roof renovation.
vauclair.ch1763 Granges-Paccot · about 30.2 km
Swiss Therm installation Sàrl specializes in sanitary installations, heating systems, ventilation, air conditioning, and solar panels.
swiss-therm.ch1763 Granges-Paccot · about 30.2 km
Based in Granges-Paccot, Cossa Cotting Sanitaires SA provides plumbing and heating installations, bathroom renovations, and maintenance and repair of these systems.
cossa-cotting.ch1700 Fribourg · about 30.5 km
Fribourg-based company specializing in tinwork, roofing, plumbing, heating systems, and solar panel installations.
jr-sarl.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Spring and summer are ideal for solar installation, as weather conditions facilitate work on the roof and allow for quick commissioning. This also ensures you have hot water production immediately from the first days of strong sunshine.
For any roof modification in the canton of Bern, it is imperative to inquire about local requirements. Although many solar installations are simplified, prior notification to the competent authorities is often required before starting any work.
A well-maintained thermal installation generally lasts between 20 and 25 years. Periodic maintenance every few years by a professional helps maintain optimal performance and prevents major breakdowns in the long term.
No, efficiency depends on orientation and tilt. A south-facing roof with an optimal tilt is ideal. It is advisable to have a feasibility study carried out to confirm that your roof is truly suitable.