A vision becomes reality With the SOLAERA system from Consolar the dream of solar heating in our climate conditions becomes reality. While the most efficient tube collector solar power systems can make savings of up to 40% on the annual energy requirement for heating and hot water provision, this value is more than doubled – up to 85% – with the patented solar heat pumps from Consolar. This enormous technological leap forward was achieved by combining a hybrid collector with two heat storage tanks and a spe- cial heat pump. Areas of application ■ Single-family house according to EnEV standard – ideal for new buildings ■ Covers the complete heat requirement of your house ■ Can be used with low temperature heating ■ Minimum collector surface 20 - 25 m 2 at 60° tilt of collectors ■ Combines well with a water-powered fireplace or pellet stove (e.g. LENIUS) Your benefits at a glance ■ 60% CO 2 savings compared to oil or gas heating and 80% - 85% saving compared to electric heating ■ Newly developed hybrid collectors harvest the sun day and night ■ Especially high annual system coefficient of performance at 5 - 7 ■ Cosy warmth without excavation work, chimney, gas connection, tank or storage vessels Solar thermal systems I Hot water I Heating A vision ...becomes reality SOLAERA – the complete solar heating system consists of: ■ Hybrid collector area Approx. 20 m 2 collector area (apertu- re), in the dimensions 1170 x 2380 x 98 mm (W x H x D), tilt angle: 60° to 90°, all types of installation are possible ■ Energy centre with heat pump, controller and latent storage Energy centre in the dimensions 79.5 x 84 x 200 cm (W x D x H) incl. all fittings, pumps and the pre-wired CONTROL con- troller for solar and mixed heating circuit, solar membrane expansion vessel, ice storage tank (320 l), weight 300 kg ■ Combined solar storage tank for hot water and heating Solar storage tank SOLUS II SOLAERA 1000 l volume, with heat exchanger and patented Consolar stratified conduction system Sponsored by the German Environmental Foundation (DBU) SOLAERA The revolutionary solar heat pump system
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A vision becomes reality With the SOLAERA system from Consolar the dream ofsolar heating in our climate conditions becomes reality.While the most efficient tube collector solar powersystems can make savings of up to 40% on the annualenergy requirement for heating and hot water provision,this value is more than doubled – up to 85% – with thepatented solar heat pumps from Consolar. This enormoustechnological leap forward was achieved by combininga hybrid collector with two heat storage tanks and a spe-cial heat pump.
Areas of applicationn Single-family house according to EnEV standard – ideal
for new buildings n Covers the complete heat requirement of your housen Can be used with low temperature heatingn Minimum collector surface 20 - 25 m2 at 60° tilt of
collectors n Combines well with a water-powered fireplace or pellet
stove (e.g. LENIUS)
Your benefits at a glancen 60% CO2 savings compared to oil or gas heating and
80% - 85% saving compared to electric heatingn Newly developed hybrid collectors harvest the sun day
and nightn Especially high annual system coefficient
of performance at 5 - 7n Cosy warmth without excavation work,
chimney, gas connection, tank or storagevessels
Solar thermal systems I Hot water I Heating
A vision...becomes reality
SOLAERA – the complete solar heating system consists of:
n Hybrid collector area Approx. 20 m2 collector area (apertu-re), in the dimensions 1170 x 2380 x 98 mm (W x H x D),tilt angle: 60° to 90°, all types of installation are possible
n Energy centre with heat pump, controller and latent storageEnergy centre in the dimensions 79.5 x 84 x 200 cm (W x Dx H) incl. all fittings, pumps and the pre-wired CONTROL con-troller for solar and mixed heating circuit, solar membraneexpansion vessel, ice storage tank (320 l), weight 300 kg
n Combined solar storage tank for hot water and heatingSolar storage tank SOLUS II SOLAERA 1000 l volume, withheat exchanger and patented Consolar stratified conductionsystem
Sponsored by the GermanEnvironmental Foundation (DBU)
SOLAERA The revolutionary solar heat pump system
At the last leading internationalsymposium "Thermal SolarEnergy", SOLAERA was awardedthe OTTI 2007 Innovation Prize
SOLAERA – the heat pump system to cover all your heat requirements
Sun. Day and night.
Innovation prize
2 0 0 7
Efficiency through our patented systemWith current technology around 20% - 40% of the househeating supply could be covered by solar energy. Withthe innovative solar heat pump system SOLAERA, thecombination of solar thermal technology, a heat pumpand a latent heat/ice storage tank, enables energysavings of up to 85%. SOLAERA is way ahead of con-ventional heat pump systems. The collector recoversheat, not only during the day, but also at night or onovercast days. Whereas conventional heat pumps useground probes or other heat sources, here the interac-tion of the heat pump, the latent heat storage tank andthe hybrid collectors perform this task.
Heating with an ice storage tankTraditional heat pumps make low temperature heat usab-le. In the latent heat/ice storage tank of the SOLAERAsystem, heat is stored at a low temperature level withoutloss. The thawing and freezing of water enables largevolumes of energy to be stored in a very small space.
The capacity volume of the320 litre latent heat icestorage tank of the SOLAE-RA system is thus equiva-lent to a 2500 litre heatstorage tank. Heat isextracted from thewater/ice in the latentheat storage tank and rai-sed to a higher temperatu-re level via a heat pump,so it can be used for hea-ting and hot water provi-sion.
Reliable and safe with an unending supply of free energyOil and gas will only be available for a few more deca-des, but energy prices are already going up becausethe development of new energy supplies can no longerkeep up with demand. With energy generation throughthe SOLAERA system you are using a reliable energysource, since the sun will be shining for many millionyears to come. Moreover, the electricity to operate theheat pump can come form many sources, preferably, ofcourse, from climate-friendly “green” electricity.
Environment advantages cannot be bettered The primary energy saving with heat generation throughSOLAERA amounts to 60% com-pared to oil or gas boilers. Thelow power consumption of thesystem results in much betterenvironmental compatibility com-pared to oil and gas or conven-tional heat pumps. The negativeimpact on the atmosphere, theclimate and thereby on our child-ren's future is thus minimised.
Save space and cut costsThe energy centre of the SOLAERA system is very com-pact. The heat pump and the complete hot water andheating control system are accommodated above thelatent heat storage tank. The combined storage tank isinstalled near by. No space is required for gas connec-tions, tanks or storage vessels. Neither is a chimneyrequired. Up to now powerful heat pumps were operatedwith ground probes or other heat sources, but these arenot needed in the case of SOLAERA. Thus boring andexcavation work for geothermal heat exchangers is notnecessary.
Incomparably great advantages:n The SOLAERA system from Consolar can cover the com-
plete heat supply requirement, using only solar energy,for a modern single-family house built according toEnEV standard. The annual system coefficient of perfor-mance is double that of conventional solar systems.
n The hybrid collector harvests not only direct solar heatby converting irradiation, but also indirect solar heatvia the heat in the ambient air.
n No costs are incurred for ground probes or groundcollectors and the related excavation work usuallyrequired for heat pumps.
n With the innovative latent heat storage tank, the heatvolume of a 2500 litre heat storage tank can beaccommodated in an area of 0.65 m2.
n Storage of the heat at low temperatures ensures virtual-ly lossless energy storage.
n The power consumption compared to powerfulbrine/water heat pumps is 20% - 35% lower.
25...35°C
45...50°C
-20...25°C
25...100°C
55°C
High performance techno-logy to get excited about
Highly efficient solar power systems
How a hybrid collector worksn When the sun shines it functions
like a solar collector, whichheats the solar fluid and trans-fers it to the combined storagetank or the latent heat storagetank.
n When the sky is overcastambient air is blown through thecollector by means of a fan. Thisair gives off its heat to the circu-lating solar fluid, which is trans-ported to the latent heat storagetank. There the heat can be sup-plied to the heat pump.
How the solar system with heatpump functionsn When the sun is shining, the
heat generated in the collector isused (at a rate of 25% to100%) to heat the combined sto-rage tank. This tank suppliesyour house directly with hotwater and heating.
n In the case of low solar irradiati-on the solar thermal energy isredirected to the energy centre.If heat is required at any particu-lar time, the heat pump canraise the temperature for hotwater and heating. If heat is notrequired, it is transferred to thelatent heat storage tank, whichworks at a lower temperaturelevel (from -20 to 25 °C) thanthe combined storage tank.
n If more heat is required than isavailable in the combined stora-ge tank, the heat pump turns its-elf on. It extracts low temperatu-re heat from the latent heat stor-age tank and raises this to ahigher temperature level.
Cross section of the patented hybrid collector, which can generate heat in two different ways
System layout: SOLAERA generates heat at all times of the year, day and night
Field test 2007SOLAERA systems will be put into operation in 2007during field tests within a radius of 100 km of the companysites in Frankfurt am Main and Lörrach (Germany). A mar-keting campaign throughout Germany is planned for2008. If you are interested you can fill in a form for plan-ning your solar system (download available on the home-page www.consolar.de). We will be happy to checkwhether your house is suitable for the SOLAERA system.
To use SOLAERA the following preconditions must be met: n Low temperature heating with max 35 °C supplyn Minimum collector surface area of 20 - 25 m2
n Minimum tilt of the collectors 60 - 90 °C
n Type of construction of the new building according toEnEV standard with max. 10 MWh annual consumption(heating and hot water)
n Standing area in the cellar for the energy centre and thecombined storage tank approx. 3 m x 1.2 m
How does a heat pump function?n The task of a heat pump is to “pump up” heat from a low temperature to a higher temperature. With the energy which
is generated by cooling water from 20 °C to 10 °C, the same volume of water can be reheated from 40 °C to 50 °Cwith a heat pump at another place.
n In this way the energy is not lost, because the energy extracted at one place can be returned at another place at a hig-her temperature.
n A refrigerator is an example of a heat pump. The heat that is extracted from the chilled goods at refrigeration tempera-tures is emitted into the environment at a higher temperature from the rear of the refrigerator.
The complete system comprises the following components:
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