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Renewables Ground source heat pumps 08 2022 Natural sustainability Grounded in our technology Heating cooling and hot water with geothermal energy EN

02 03 Giving the future a green light Renewables help to determine where our energy will come from in the future More and more people are recognising the benefits of green electricity for their homes We too see electricity as the energy source of the future Turning the tide ourselves Power companies politicians and society have been seeking viable alternatives to fossil fuels for a long time Fossil fuels are exhaustible resources that pollute the environment So why not simply tap into the heat contained in the sun air water and ground and put it to use in your home Our land yields plenty of goodness carrots radishes basil chives bell peppers and much more It even takes care of us in winter our heat pump uses energy from the ground to keep us warm indoors Comfort through technology You are bound to have some concerns about the energy efficiency of your house Perhaps you would like to change to a futureproof energy supply The largest energy consumer is your heating system almost 80 of the energy you consume goes into heating and hot water There is therefore great potential for an energy transition in your home

04 05 Give yourself room to feel good Your energy efficiency on solid ground The temperature affects how healthy and alert you are The temperature It is constantly warm below the surface of the ground even when it is range in which you constantly feel at your energetic best is narrow bitterly cold outside You can benefit from this fact with a ground source Our top of the range ground source heat pumps ensure a healthy room heat pump Using liquid brine the heat pump collects heat from the climate If they are equipped with a cooling function they even do so in ground and converts it into energy for heating and hot water summer as well The appliance cools the heating water that flows through your underfloor heating system which lowers the room temperature The ratio of heating output to the required electricity input is measured This increases your living comfort and vitality in heat pumps by the coefficient of performance COP Your ground source heat pump from STIEBEL ELTRON achieves a COP of up to five This means that even at temperatures below freezing it generates up to five parts heat from one part electricity Since your geothermal probe is Good reasons to enjoy your home comforts Pleasant room temperatures all year round Easier to relax and feel good Greater vitality and alertness Efficient heating and cooling in one appliance installed 40 to 100 metres deep in the ground the surface area required is comparatively small Inverter technology keeping a good balance Conventional heat pumps are either on or off By contrast our heat pumps with inverter technology are much more sophisticated They expertly deliver precisely the output needed throughout your home for a comfortable indoor environment This is not only more energy efficient but also much less noisy This is because the fan and compressor operate on average with a lower output and are consequently much quieter Inverter technology compared to conventional heat pumps Uncomfortable Comfortable room temperature Uncomfortable Target value Inverter Conventional heat pumps on off appliances Green technology with impressive properties Output is continuously matched to your requirements Higher efficiency in the partial load range Very quiet Top technology developed from many years of experience Improved heating output and efficient energy consumption

06 07 Make the best choice for all your plans Whether you are working on a new build or a modernisation project you will find the right solution for every application in our range of ground source heat pumps Our appliances are suitable for detached houses apartment buildings and commercial premises as they are powerful and highly efficient Ground source heat pumps Page 08 Page 10 Page 15 Model WPE I HK Premium WPE I HW GB Premium WPE I 33 87 H 400 Premium Energy efficiency class W55 W35 A A A A A A Detached and two family house n n Apartment building n n Non residential building n New build modernisation n n n n n n ISG capable option for PV self consumption1 mobile control n n n n n n n n n Heating cooling n n n n Integral domestic hot water cylinder Indoor installation n n n n Outdoor installation Can be combined with other heat generators n Product class Premium 1 For system and country specific compatibility and availability please note the information at www stiebel eltron co uk n Premium Premium

08 09 Open your door to comfortable living WPE I HK Premium inverter ground source heat pump Boost your home comforts with this ground source heat pump The appliance with inverter technology draws heat from the ground for your heating and hot water system In both summer and winter this ingenious piece of engineering elevates your living comfort to new levels thanks to its consistent heating output with high flow temperatures Make the most of this all rounder One of our five output sizes will be just right for you whether it s for a new building or a modernisation project The inverter technology guarantees you the exact heating output you want at any given time This reduces your energy consumption to a minimum saves you money and even optimises your room climate all at the same time Indoor installation New build Top product features Ground source heat pump installed indoors for heating with cooling as an optional extra Optimum output and maximum efficiency thanks to inverter technology Flow temperatures of up to 75 C for energy efficient heating and high mixed water volumes Future oriented and eco friendly refrigerant Optional integration into the home network and control via smartphone Modernisation

10 11 Feel the warm glow of a sustainable future WPE I HW Premium inverter ground source heat pump This heat pump allows you to combine comfort and function in one solution It uses energy from the ground to heat your central heating water and domestic hot water plus it contains a domestic hot water cylinder The inverter technology is so efficient at all times of the year that you save energy and reduce your heating bill Doing well for the environment The eco friendly and safe refrigerant also contributes to a good domestic energy balance Furthermore you re all set for a good night s sleep thanks to the appliance s especially low sound levels Indoor installation New build Top product features Indoor heat pump for room heating and domestic hot water heating Compact design saves space Optimum output and maximum efficiency thanks to inverter technology First class domestic hot water convenience and high mixed water volumes thanks to flow temperature of up to 75 C Futureproof and eco friendly refrigerant Optional integration into the home network and control via smartphone Modernisation

12 13 Quality that packs a punch WPE I H 400 Premium inverter ground source heat pump This premium heat pump lives up to the quality implied in its name and gives its all throughout your home In a cascade it even supplies apartment buildings and commercial premises with large volumes of central heating water and domestic hot water Thanks to inverter technology you can use the appliance in a very versatile way and have the convenient option to control it via smartphone Discretion you can count on We have designed this all rounder to be so robust that it will give you many years of reliable service yet still blend quietly into the background Top product features Indoor heat pump for room heating and domestic hot water heating Suitable for cascades with high output requirements Optimum output and maximum efficiency thanks to inverter technology WPE I 33 H 400 Premium High domestic hot water convenience thanks to high flow temperature of up to 65 C Low energy costs due to exemplary efficiency Particularly quiet operation Optional integration into the home network and control via smartphone Indoor installation New build Modernisation

14 15 Sustainable comfort Ground source heat pump product comparison Model WPE I 04 HK 230 Premium WPE I 06 HK 230 Premium WPE I 08 HK 230 Premium WPE I 12 HK 230 Premium WPE I 15 HK 230 Premium Product number Energy efficiency class Heating output at B0 W35 min max Output at B0 W35 EN 14511 Coefficient of performance at B0 W35 EN 14511 SCOP EN 14825 Sound power level EN 12102 Max heating flow temperature Height Width Depth Weight Product class Premium Plus Trend 202615 A A 1 0 4 2 1 96 4 6 238614 A A 1 0 6 6 2 37 4 6 238615 A A 1 0 7 6 2 78 4 67 238616 A A 2 1 12 7 4 19 5 01 238617 A A 2 1 14 8 5 18 4 86 5 2 38 43 75 1369 598 658 180 n 5 12 38 45 75 1369 598 658 180 n 5 59 39 46 75 1369 598 658 190 n 5 44 39 47 75 1369 598 658 190 n kW kW 5 07 dB A 38 40 C 75 mm 1369 598 658 kg 180 n Model WPE I 04 HW 230 GB Premium WPE I 06 HW 230 GB Premium WPE I 08 HW 230 GB Premium WPE I 12 HW 230 GB Premium WPE I 15 HW 230 GB Premium Product number Energy efficiency class Heating output at B0 W35 min max Output at B0 W35 EN 14511 Coefficient of performance at B0 W35 EN 14511 SCOP EN 14825 Sound power level EN 12102 Max heating flow temperature Height Width Depth Weight Product class Premium Plus Trend 202637 A 1 0 4 2 1 96 4 6 202638 A 1 0 6 6 2 37 4 6 202639 A 1 0 7 6 2 78 4 67 202640 A 2 1 12 7 4 19 5 01 202641 A 2 1 14 8 5 18 5 44 5 2 43 48 75 1937 600 703 265 n 5 12 43 48 75 1937 600 703 265 n 5 59 43 49 75 1937 600 703 275 n 5 44 43 49 75 1937 600 703 275 n kW kW 5 07 dB A 43 46 C 75 mm 1937 600 703 kg 265 n Model WPE I 33 H 400 Premium WPE I 44 H 400 Premium WPE I 59 H 400 Premium WPE I 87 H 400 Premium Product number Energy efficiency category average climate W55 W35 Heating output at B0 W35 min max Output at B0 W35 EN 14511 Coefficient of performance at B0 W35 EN 14511 SCOP EN 14825 Sound power level EN 12102 Max heating flow temperature Height Width Depth Weight Product class Premium Plus Trend 201412 A A 201413 A A 201414 A A 201415 A A 10 33 20 18 4 73 11 44 26 71 4 6 14 59 35 60 4 5 21 87 52 00 4 71 5 65 41 56 65 1723 692 803 300 n 5 19 46 61 65 1742 900 848 430 n 5 17 46 63 65 1742 900 848 550 n kW kW 5 55 dB A 41 56 C 65 mm 1723 692 803 kg 300 n Electricity is the future With the development of green technologies we advocate innovative environmentally responsible and futureproof building services so that you can enjoy sustainable comfort at home As a family business we act for the future yours and ours Since 1924 STIEBEL ELTRON has been syn onymous with reliable solutions for domestic hot water heating ventilation and cooling We maintain a clear focus in the energy debate electricity preferably harnessed from renewables is the energy of the future That is why we rely on approximately 4000 employees around the world for efficient heating solutions with green technologies From the design and manufacture of your appliance through to its maintenance we systematically apply our expertise strength of innovation and experience gained from working with customers with high standards such as yourself and from the sale of more than two million appliances each year We have the right solutions to meet every requirement Solutions designed to raise the level of convenience in your home today and still be up to date tomorrow You can see first hand our commitment to green technology by visiting the Energy Campus at our head office in Holzminden Germany This training and communication centre is our flagship project for sustainable and resource efficient construction It combines the highest standards of architectural and communication quality As a PlusEnergy building it generates more energy than it consumes Come and experience what our name stands for in theory and practice

Your local trade partner www stiebel eltron co uk or consult your local trade partner STIEBEL ELTRON UK Ltd Unit 12 Stadium Court Bromborough CH62 3RP Telephone 0151 346 2300 sales stiebel eltron co uk www stiebel eltron co uk Legal notice In spite of our careful efforts we are not liable for any inaccuracies in the content of this brochure Information concerning equipment levels and specifications is subject to modification The equipment features described in this brochure are non binding regarding the specification of the final product Due to our policy of ongoing improvement some features may be changed or even removed Please consult your local dealer for information about the very latest equipment features The images in this brochure are for reference only The illustrations also contain installation components accessories and special equipment that do not form part of the standard delivery Reprinting of all or part of this brochure is only lawful with the publisher s express permission Issue 22_08 318661_MEHR Subject to technical modifications For new and interesting information on our products visit