The increase in energy costs is a topic for all of us, not least in Suisse Romande. Much of the older housing stock in Geneva, Vaud, and Neuchâtel can leave tenants or homeowners responsible for a significant share of monthly costs, even when heating alone is considered. Luckily, homeowners have some realistic options for cutting costs, and you don’t need to freeze all winter to do it.
Assess Your Home’s Energy Use

One key to cutting bills is knowing where the energy goes. Draughty windows, poorly insulated walls, and old heating systems frequently allow heat to slip away, with the homeowner none the wiser. Even simple measures, such as filling gaps, insulating lofts, and fitting efficient doors, can reduce heat loss and lower energy bills.
Home energy assessments also provide a clear understanding of trouble spots. Smart thermostats and energy monitors enable homeowners to track usage over time, helping uncover high-consumption areas. For instance, front rooms with old radiators or guest bedrooms that do not get much use often use more energy than their share.
The ability to identify which systems or rooms are guzzling the juice enables homeowners to address fixes without guesswork, helping them decide how to spend their money and time. This methodical approach helps homeowners invest in future energy savings rather than relying on one-size-fits-all, short-sighted fixes.
Upgrade Heating Systems Thoughtfully
Heating is usually the largest part of a winter power bill. There are also numerous older oil, gas, and electric boilers that don’t operate as efficiently, use more fuel than necessary, and circulate heat unevenly throughout the house. This is why one of the best sustainable ways to lower those bills and costs in general is to upgrade to more modern systems.
Air-to-water pumps: The right choice for Swiss homes. They pull heat from the outdoor air and transfer it efficiently to warm the home. When installed and sized properly, these systems are capable of keeping indoor spaces reasonably comfortable even when temperatures drop below freezing. When combined with correctly sized radiators or underfloor heating, air-to-water heat pumps can provide excellent comfort at low operating costs.
Yes, the performance is more affected by high or low temperatures, depending on the property. Older apartments with radiators often require high-temperature systems, whereas low-temperature systems are more economical for new builds and well-insulated homes maintained at relatively stable temperatures. Shorter cycles and steady operation maximise efficiency.
Focus on Insulation and Airflow

The best heating in the world won’t work if you’re trying to heat an under-insulated home. Check walls, roofs, and floors for heat loss. Minor changes, such as double-glazed windows, insulated doors, and draught excluders, can help keep a home warm while reducing the need for heating.
Indoor airflow is important, too. Do not block radiators with furniture, and keep vents or ducts unobstructed. Air can flow freely, transferring heat more evenly and allowing a lower thermostat setting. Small measures, like using curtains to let sunlight into your home, can help save energy.
Make Use of Energy-Saving Habits
Behavioural changes complement technical upgrades. Even in small habits, there is a hidden waste of wonder-working power. By setting the thermostat 1-2°C lower, using timers, and wearing warm clothes inside, you can reduce energy use for greater comfort.
Other measures include turning off unused appliances, unplugging standby devices, and switching to LED lights. These things may seem tiny when done just once, but together they add up to big savings!
Upgrade Water Heating and Hot Taps

Costs can balloon with an out-of-control water heater, too. Newer on-demand water heaters or heat pumps, combined with insulated hot water tanks and pipes, help prevent heat loss.
In Swiss households, though, installing these systems alongside central heating ensures heat is used efficiently. For instance, a low-temperature air-to-water heat pump can provide space heating and domestic hot water with high efficiency and comfort throughout the year.
Leverage Government Incentives
Swiss homeowners frequently fail to take advantage of available subsidies. Since their launch in 2010, low-interest loans and energy-efficient subsidies have been available. Municipal and cantonal programmes support investments in heat pumps, insulation, and windows.
If you check your eligibility at the start of a project, you can ensure you receive as much assistance as possible. For instance, installing a new heat pump in place of an outdated electric boiler could be eligible for grant assistance, dramatically reducing upfront costs and increasing long-term fuel efficiency.
Modern Heating Systems Deliver Long-Term Savings

An air-to-water heat pump is an investment that will continue to pay off. These are efficient, consistent, and controlled heating systems that are ideal for low energy use and smart home integration. Combined with insulation and energy-efficient habits, homeowners can realise significant savings on their bills while enhancing indoor comfort.
Modern heat pumps are also much quieter and tend to require less maintenance than older models. When correctly installed, they offer excellent performance and are equally popular for both renovation projects and new builds throughout the Suisse Romande.
Plan for Seasonal Efficiency
Swiss winters are mixed, and heat pumps perform best when evaluated by their seasonal efficiency. A well-insulated house with properly sized radiators or underfloor heating will remain at a constant temperature without requiring extra electricity.
By planning installations before winter, homeowners will immediately see lower bills. Regularly checking and cleaning filters and monitoring system pressure helps keep energy use down.
Would you like to cut your heating bills and increase the comfort of your Romandy property? Working with a qualified installer experienced in air-to-water systems, such as Swissthermic in Switzerland, helps ensure correct sizing and long-term performance.
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