Thermostatka elektarnimka ah waa nidaam dhaaf ah oo la sameeyay si ay u hantidaan barafgorga iyo barafgorga ee leh qood (250L+), halka arrintii la mid ah ee barafgorga (barafgorga, barafgorga, qaybta hoos ee barafgorga) iyo arrintii la mid ah ee arrintii la mid ah ayaa ugu muhiimsan. Waa la isticmaala teknolojiya in-gaarsiinta caanshad ah—mar walba waxaa lagu gudbiyaa NTC thermistors badan oo ku jira qaybaha kala duwan—to marka arrimaha oo kala duwan, waxay kala hantidaan qayb kasta (tusaale ahaan, 3°C ee barafgorga, -20°C ee barafgorga, 5°C ee qaybta hoos ee barafgorga). Qaabkan oo kala duwan waa in la gaaray qaybta ka yar ee aan ahayn in la barafgeliyo, ka qaadista arrimaha ee 10-15% la yiri in-gaarsiinta mekhaanika ee sensor kasta. Arimaha smart ayaa sii joogay in ay noqdaan: mudaloyinka ee la xidhiidha Wi-Fi ayaa isticmaaleyaasha ogola in ay bedeshadaan deeqda iyaga leh, heshiiso arrimaha oo kala duwan (tusaale ahaan, iyada ka xiran gudbinta oo la furay), ama arrimaha arrimaha—waxay u ogolaan isticmaaleyaasha ee leh teknolojiya ee joogto ah. Arrimaha ayaa la sameeyay si ay ugu dhaafdaan: qaybaha ee leh qaabka ugu badan ee leh qaabka ugu badan ee leh qaabka ugu badan ee 10+ sano iyo arrintii la mid ah ee gudbinta, halka qaybaha ee leh qaabka ugu horeysay ay leeyihiin arrimaha ee la mid ah ee arrintii la mid ah ee la mid ah ee la mid ah. Arrimaha ee la mid ah ee la mid ah ee la mid ah ayaa ugu muhiimsan: Hadda ee EU ee EcoDesign ayaa siiya arrimaha ee la mid ah ee arrintii la mid ah, DOE ee U.S. ayaa la midka arrimaha ee arrintii la mid ah, iyo Shina ee GB 12021.2 ayaa arrimaha arrimaha ee barafgorga. Gudbinta ee OEM ayaa lagu daray panelka kontrollka barafgorga, halka kala duwan ee la heli karo ay leeyihiin qaabka ugu wanaagsan ee la midka qodarka oo la midka qodarka Samsung, GE, iyo Siemens, iyadoo la midka manualka gudbinta ee leh luqowada.