Hallenbarter & Russi Gebäudetechnik AG
3988 Obergoms · about 120 km
Obergoms-based company specializing in sanitary installations, heating systems, roofing, and tinsmith work for new builds and renovations.
hallenbarter-russi.chHeat pump installation · Flawil

At a glance
Small project
CHF 29'400 – CHF 53'700
Typical project
CHF 37'100 – CHF 69'100
Large project
CHF 48'600 – CHF 92'100
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 80 m² | CHF 29'400 | CHF 53'700 | CHF 500 |
| Typical project | 160 m² | CHF 37'100 | CHF 69'100 | CHF 300 |
| Large project | 280 m² | CHF 48'600 | CHF 92'100 | CHF 200 |
Computed with our estimator for Flawil (regional factor included), standard finish. Only the project size changes.
Included
Not included
In Flawil, the federal building register lists 1'907 residential buildings and 4'993 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
65 % built before 1980
Construction year does not reveal past renovations: check the current insulation condition.
45 % · Gas
This distribution describes recorded buildings, not your system's consumption or efficiency.
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 45 % | 36.9 % |
| Heating oil | 24 % | 17.2 % |
| Heat pump | 24 % | 22.4 % |
| Electricity | 2 % | 15.1 % |
| Wood | 5 % | 2.3 % |
| Solar thermal | 0 % | 5.9 % |
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.
When planning renovations in Flawil, official building registry data offers vital context. Out of 1907 recorded buildings, 13 are officially listed under heritage protection, making it essential to contact municipal authorities early to understand permit requirements. Data coverage regarding building volume is currently partial, as only one building has been measured according to the SIA 416 standard, showing a median volume of 817 m3. Given this limited sample size, homeowners should ensure a professional assessment of their property's specific scale to accurately plan necessary heating system upgrades or insulation works for their upcoming renovation projects.
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Before starting a heat pump installation in Flawil, it is essential to check whether your area can connect to a priority district heating network. In certain zones, authorities favor collective solutions to optimize local energy efficiency.
Consulting communal master plans can save you from unnecessary investments. If your home is not affected by such a priority plan, the heat pump remains a high-performance and independent alternative to ensure your thermal comfort on a daily basis.
The correct sizing of your heat pump depends closely on the local design outdoor temperature for the Flawil region. This technical parameter is crucial to ensure that your equipment can maintain comfortable indoor heat, even during the harshest winter nights.
Precise calculation avoids unnecessary oversizing or conversely, costly underperformance. Consult a qualified heating engineer to analyze your specific needs and determine the optimal capacity.
Our RenoIndex tool helps you anticipate these financial aspects right from the start of your project planning.
Installing an outdoor air-water heat pump requires special attention regarding the noise emitted by the fan. Neighbors should not be exposed to excessive noise.
It is mandatory to comply with safety distances as well as federal regulations regarding noise protection. By choosing a strategic location, for example away from bedroom windows, you minimize the risk of conflict.
Using acoustic screens can also be an effective solution. To budget for these options, feel free to use our free RenoIndex estimator.
A well-planned energy renovation project in Flawil relies on rigorous cost estimation. Besides the device itself, remember to include labor costs, necessary adaptations to the existing heat distribution system, and any required excavation work.
It is advisable to request several quotes to compare offers. Our RenoIndex platform allows you to quickly get a realistic price range for your project, helping you better organize your finances before work begins.
Careful planning is the key to a successful energy transition without unpleasant surprises.
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.
3988 Obergoms · about 120 km
Obergoms-based company specializing in sanitary installations, heating systems, roofing, and tinsmith work for new builds and renovations.
hallenbarter-russi.ch2829 Vermes · about 129.2 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 133.3 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 133.3 km
Buchwalder Sàrl in Vicques has specialized in the installation, repair, and renovation of heating and sanitary systems since 1966.
buchwalder-sarl.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Generally, a well-maintained heat pump has a lifespan of between 15 and 20 years. Regular maintenance by a professional is essential to ensure its optimal energy efficiency throughout its entire lifecycle.
Whether a building permit is required for a heat pump installation depends on the type of system and the location. It is strongly recommended to contact the municipal building department of Flawil before beginning your project.
Yes, it is perfectly possible to install a heat pump during a renovation. However, you must ensure that the heating system (radiators or underfloor heating) is compatible with the lower flow temperatures of the pump.
Comparing quotes allows you to evaluate different technologies, brands, and services included by installers. This helps you get the best value for your money. Use RenoIndex to get a reference estimate and compare with peace of mind.