Thinking about heating in summer sounds counterintuitive – exactly when the air conditioning is running and winter feels far away. Yet this quiet season is the best moment to prepare the heat supply for the coming winter. Anyone who tackles their heating in summer has a free choice of technology and dates, avoids the autumn rush and comes home to a fully set-up system on the first cold night. This article explains why planning your heating in summer pays off, which technology suits the Mediterranean climate best, and what to watch for in terms of timing, costs and grants. For owners of a second home there is a particular advantage.
Why planning your heating in summer makes sense
The main reason to plan your heating in summer is the head start. In autumn, demand for heating installations rises sharply, and with it the waiting times. Anyone who only becomes active on the first cold days in November competes with many others for the same dates and equipment. Whoever tackles their heating in summer, by contrast, plans calmly, compares quotes without time pressure and secures the right technology early.
A second reason is the availability of materials. Heat pumps and accessories have lead times that, depending on the model, can run to several weeks. Anyone who orders their heating in summer has the buffer to absorb supply bottlenecks before the heating season begins. This avoids the uncomfortable situation of waiting for a unit in December while the house has already gone cold.
The main advantages at a glance:
- Short waiting times and a free choice of dates in the quiet season
- Enough lead time to absorb delivery times for the heat pump and accessories
- Careful planning without the pressure of the first cold snap
- Combinable with a photovoltaic or air-conditioning project you were planning anyway
- The system is fully set up and tested by the start of winter
There is also a practical aspect. An installation in mild weather is more pleasant for everyone involved and often quicker. Anyone who has their heating in summer fitted does not have to work around frost, rain or a heating season already under way. The work can be planned cleanly and does not disturb comfort, because the heat is not needed yet anyway.
Aerothermal and heat pumps: choosing the right heating in summer
Anyone planning their heating in summer should choose the technology that suits the Mediterranean climate. On Mallorca the winters are mild but humid, and the heating season is considerably shorter than on the mainland. Under these conditions, aerothermal energy – the air-to-water heat pump – is in most cases the most efficient and economical solution. It draws heat from the outside air and passes it to the heating system, without fossil fuels.
A major advantage of the heat pump shows up precisely in the mild island winter. Because outdoor temperatures rarely fall well below freezing, the unit operates in a favourable range all year round. Anyone who switches their heating in summer to a heat pump therefore benefits from a high seasonal performance and low running costs. European energy policy promotes the heat pump as a key technology for a climate-friendly heat supply, as set out on the European Commission’s renewable energy pages.
SCOP and efficiency in a Mediterranean winter
The efficiency of a heat pump is measured through the SCOP (Seasonal Coefficient of Performance) under the EN 14825 standard. A SCOP of 4 means the system produces around four kilowatt-hours of heat from one kilowatt-hour of electricity. In Mallorca’s mild climate the real SCOP is often above the catalogue value for colder regions, because the heat pump rarely has to work at low temperatures. Anyone planning their heating in summer can size the system precisely to this favourable profile.
The heat pump is particularly efficient with underfloor heating, because that works with low flow temperatures. How a heat pump can be combined with underfloor heating we described in detail in our article on the heat pump for underfloor heating. But a good efficiency can also be achieved with modern low-temperature radiators. Which option fits we clarify when planning your heating in summer, based on the existing building fabric.
Installing heating in summer: the ideal moment
Late summer is the ideal time not only to plan your heating in summer but also to install it. Trades have more capacity than in autumn, the schedule is open, and the system can be commissioned and tested in peace. Everything is set and checked long before the first cold snap arrives.
Another advantage lies in combining several trades. Anyone already considering a photovoltaic array or a reversible air conditioner can bundle that work with the installation of their heating in summer. A reversible heat pump cools in summer and heats in winter, so a single system handles both tasks. If it also runs on solar power, the operating costs fall further still.
The overview below shows why late summer beats autumn:
| Criterion | Late-summer installation | Autumn/winter installation |
|---|---|---|
| Date availability | High, free choice | Tight, long waits |
| Material lead times | Well buffered | Critical, bottlenecks possible |
| Weather for the work | Mild and predictable | Rain, frost possible |
| Test before the heating season | Plenty of time | Under time pressure |
Anyone who installs their heating in summer therefore enters winter with a tested, ready-to-use system. This peace of mind is the real reward of forward planning. You can find an overview of our heating solutions on the heating page.
Heating in summer for a second home
For owners of a second home, renewing the heating in summer has a special appeal. While the house often stands empty in the warm season, the work can be carried out without disturbing any stay. When the owner visits in winter, the house is already equipped with a modern, efficient heat supply and warms up quickly.
In the Mediterranean winter, what matters for empty houses is not only warmth but also protection against damp. A well-planned heat pump can maintain a base temperature that prevents mould growth in closed rooms. Anyone who designs their heating in summer with this in mind protects the property even while away. Through an app, the heat can also be started remotely before arrival, so that you come home to a cosy house.
The combination with a hot-water heat pump is also sensible, so that in winter the house is not only heated but also supplies hot water efficiently. From several building blocks a coherent overall solution emerges that raises comfort and lowers running costs. We therefore always plan the heating in summer in the context of the home’s wider energy concept.
Costs, grants and efficiency
Anyone planning their heating in summer should factor in economics from the start. A heat pump has higher purchase costs than a simple electric heater, but is far cheaper to run, because it produces several units of heat from one unit of electricity. Over its lifetime the heat pump is therefore usually the cheaper solution, especially in combination with self-generated solar power.
Several factors help to gauge the running costs:
- The SCOP of the system determines how much heat is produced per kilowatt-hour of electricity.
- The insulation of the house influences the overall heat demand.
- The flow temperature of the heating system directly affects the efficiency.
- The share of your own solar power lowers the electricity cost of the heat pump.
- Regular maintenance keeps the efficiency stable over the years.
On grants it is worth looking at current programmes. In recent years, subsidies in the Balearic Islands supported the installation of heat pumps and photovoltaics. Whether a suitable window is open we check as part of planning your heating in summer, because the conditions and deadlines change. Further guidance on the energy efficiency of buildings is provided by the European Commission. A lastingly efficient system also depends on proper maintenance, which we handle for our clients.
Frequently asked questions: heating in summer
Why should I plan my heating in summer rather than in autumn? Because in summer firms have more capacity, delivery times are better buffered and the system can be tested in peace before the heating season begins.
Which heating best suits the climate on Mallorca? In most cases the air-to-water heat pump (aerothermal). It works particularly efficiently in the mild island winter and can be combined with solar power.
Can a heat pump also cool? Yes. A reversible heat pump heats in winter and cools in summer. Anyone planning their heating in summer can choose such a system for both seasons.
Is heating in summer worthwhile for a second home too? Especially there. The work does not disturb the empty stay, and in winter the house is equipped with a modern heat supply and protection against damp.
How efficient is a modern heat pump? With a SCOP of around 4, it produces some four kilowatt-hours of heat from one kilowatt-hour of electricity. In the mild Mediterranean climate the real figure is often even better.
Are there grants for replacing the heating? Often yes, through regional programmes for heat pumps and photovoltaics. We check the current status individually when planning your heating in summer.
Heating and cooling in a single system
An often underrated advantage of planning your heating in summer is the option to combine heating and cooling in a single unit. A reversible heat pump turns the cycle around in summer and cools the house, while it heats in winter. In this way one system replaces two separate installations, which saves space, simplifies the installation and keeps maintenance in one hand. For many houses on the island this is the most economical overall solution.
On Mallorca in particular, where long, hot summers meet mild winters, this dual use makes a lot of sense. Anyone who designs their heating in summer as a reversible system invests once and covers both seasons. If the system is also combined with a photovoltaic array, the cooling in summer and the heating in winter run largely on self-generated solar power, keeping running costs low all year round.
When planning, we make sure the capacity is sized to cover both the winter heat demand and the summer cooling load. This holistic view is another reason the quiet season is ideal: there is enough time to tune the system cleanly to both requirements, instead of fitting a rushed stopgap in autumn that only covers part of the need.
Avoiding common heating-planning mistakes
Anyone who plans their heating in summer can avoid typical mistakes that happen easily under autumn time pressure. The most common is a miscalculated heat load, which leads to an over- or undersized system. Equally problematic is ignoring the flow temperature of the existing heating system, because it largely determines the efficiency of the heat pump.
The main pitfalls at a glance:
- Heat load set by rule of thumb rather than a real calculation
- Flow temperature of the existing radiators not taken into account
- Location of the outdoor unit chosen without regard to noise and airflow
- No coordination with photovoltaics or planned cooling
- Maintenance and later expansion not planned from the start
Anyone who clarifies these points early runs a system that works efficiently and long-lasting. That is exactly what the quiet summer season is ideal for: it allows careful planning in which each of these points is checked in peace. We take that time and size the heating in summer to match the house, the building fabric and the real usage profile. This avoids the costly corrections that are often needed after a hasty autumn installation.
From consultation to commissioning
The path to a new heat supply is more straightforward than many expect. It starts with a survey in which we record the heat demand, the existing heating system and your habits. On this basis we recommend the right heat pump and prepare a transparent quote with costs, expected efficiency and a schedule. Because we tackle the heating in summer, there is enough lead time for clean coordination without haste.
After your approval, we handle the complete implementation from one source: delivery, mounting of the outdoor and indoor units, connection to radiators or underfloor heating and setting up the control system. Because both steps are planned and carried out by one team, the components fit together cleanly and there is no friction between different firms. Finally, we commission the system, check the figures under real conditions and introduce you to the operation and the app.
In this way your heating in summer is fully set up and tested long before winter comes. You have nothing to worry about in the cold season and enjoy reliable, efficient warmth from the very first chilly night.
Why a local partner makes the difference
Anyone who entrusts their heating in summer to a local specialist benefits from knowledge of the island. We know how the mild, humid Mallorcan winter affects heat demand, which building types are typical and what matters especially for second homes. This experience feeds into every design and ensures the system is planned not by the textbook but according to the real conditions on site.
A local partner is also reachable in winter, when the system is actually running. Should a question or a fault arise, we are on site and already know your system. For owners who are only on the island part of the time, this proximity is a decisive advantage. In this way the heating in summer is not just a good idea on paper but a reliable solution that lasts through many winters.
Include hot water from the start
Anyone planning their heating in summer should include hot-water production from the outset. A heat pump can not only heat the rooms but, via a suitable tank, also warm the domestic water, so a single system covers two basic needs and works economically across the whole year. Combined with solar power, much of the hot water is produced almost for free, which lowers running costs and increases independence from the grid. We coordinate heating, hot water and solar during planning so that the system works as a coherent whole rather than a loose collection of separate devices.
Conclusion: plan now, benefit in winter
Planning your heating in summer is not a contradiction but smart foresight. Anyone who uses the quiet season secures free dates, bridges delivery times and enters winter with a tested system. In Mallorca’s mild climate the heat pump is almost always the most efficient choice, especially combined with underfloor heating and self-generated solar power.
For owners of a second home there is the added advantage of having the work done while away and protecting the house against damp at the same time. Anyone who tackles their heating in summer turns a tiresome autumn task into a relaxed summer plan – and enjoys a warm, efficient home in winter without the last-minute stress.
Your next step
If you would like to renew your heat supply for the coming winter, we are glad to plan your heating in summer. We analyse your home’s heat demand, recommend the right heat pump and match the system to underfloor heating, photovoltaics and, if desired, cooling operation. Call us on +34 644 450 672 or write to info@greentechbalear.com. You can find more about our heating and the heat pump on our website, and more articles in our news section.