לא זה !!. ולא זה ! יחידת כוח של אורמט באוסטריה מערכת ביתית.

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Presentation transcript:

לא זה !!

ולא זה ! יחידת כוח של אורמט באוסטריה

מערכת ביתית

עקרונות השיטה

מערכת מוסדית

אופציה אופקית

מערכת פתוחה לאקוויפר

מערכת אופקית ארוכה כוללת בריכה

מערכת שקועה בבריכה, אגם, או נהר

יחידה ביתית

מתוך אתר משרד האנרגיה ארה"ב Benefits of Geothermal Heat Pump Systems The biggest benefit of GHPs is that they use 25%–50% less electricity than conventional heating or cooling systems. This translates into a GHP using one unit of electricity to move three units of heat from the earth. According to the EPA, geothermal heat pumps can reduce energy consumption—and corresponding emissions—up to 44% compared to air-source heat pumps and up to 72% compared to electric resistance heating with standard air-conditioning equipment. GHPs also improve humidity control by maintaining about 50% relative indoor humidity, making GHPs very effective in humid areas. Geothermal heat pump systems allow for design flexibility and can be installed in both new and retrofit situations. Because the hardware requires less space than that needed by conventional HVAC systems, the equipment rooms can be greatly scaled down in size, freeing space for productive use. GHP systems also provide excellent "zone" space conditioning, allowing different parts of your home to be heated or cooled to different temperatures. Because GHP systems have relatively few moving parts, and because those parts are sheltered inside a building, they are durable and highly reliable. The underground piping often carries warranties of 25–50 years, and the heat pumps often last 20 years or more. Since they usually have no outdoor compressors, GHPs are not susceptible to vandalism. On the other hand, the components in the living space are easily accessible, which increases the convenience factor and helps ensure that the upkeep is done on a timely basis. Because they have no outside condensing units like air conditioners, there's no concern about noise outside the home. A two-speed GHP system is so quiet inside a house that users do not know it is operating: there are no tell-tale blasts of cold or hot air.

מתוך "אתר בנייה" נוחות בנוסף ליתרונות הכלכליים שנמנו לעיל, למערכות אלו מספר יתרונות משמעותיים על פני המערכות המקובלות: פעילותן של מערכות אלו שקטה ביותר מאחר שאינן כוללות יחידת מדחס חיצוני כבמערכות מיזוג אוויר מקובלות. האוויר המוזרם לתוך הבית באמצעות מערכת תעלות מיזוג אוויר (כמו במערכות מקובלות), הוא בטמפרטורה קבועה, כך שאין מרגישים במשבי רוח קרים או חמים (בהתאם למצב הפעולה -חימום או קירור) כפי שקורה עם מערכות מקובלות. מערכות אלו שומרות על לחות האוויר בבית בסביבות 50% לחות יחסית ובכך משפרות את תחושת הדיירים, בעיקר באיזור החוף הלח. מערכות אלו כוללות מעט חלקים מכניים נעים ולפיכך תחזוקתן מועטה יותר ואורך חייהן עשוי להגיע ל-20 שנה ומעלה. ניתן לנצל את עודפי החום הנוצר בתהליך הקירור (בקיץ) לחימום מים לצריכה ביתית, דבר המגדיל עוד יותר את יעלות המערכת.

מתוך אתר משרד האנרגיה ארה"ב