[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.lastavica.cz\/jak-se-vlastne-mohou-stare-zarovky-poradne-prodrazit\/#Article","mainEntityOfPage":"https:\/\/www.lastavica.cz\/jak-se-vlastne-mohou-stare-zarovky-poradne-prodrazit\/","headline":"Jak se vlastn\u011b mohou star\u00e9 \u017e\u00e1rovky po\u0159\u00e1dn\u011b prodra\u017eit?","name":"Jak se vlastn\u011b mohou star\u00e9 \u017e\u00e1rovky po\u0159\u00e1dn\u011b prodra\u017eit?","description":"Dejme tomu, \u017ee jste extra \u0161et\u0159\u00edc\u00ed a prost\u011b nebudete vyhazovat \u017e\u00e1rovky, kter\u00e9 jsou je\u0161t\u011b dobr\u00e9. … ","datePublished":"2018-08-05","dateModified":"2023-04-29","author":{"@type":"Person","@id":"https:\/\/www.lastavica.cz\/author\/#Person","name":"","url":"https:\/\/www.lastavica.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/82449f5dd313bdc88befc1a2d3138ce45c5e7d5eeee84221e3cf7fbc184b80d3?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/82449f5dd313bdc88befc1a2d3138ce45c5e7d5eeee84221e3cf7fbc184b80d3?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"lastavica.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.lastavica.cz\/wp-content\/uploads\/img_a323910_w2221_t1535640681.jpg","url":"https:\/\/www.lastavica.cz\/wp-content\/uploads\/img_a323910_w2221_t1535640681.jpg","height":0,"width":0},"url":"https:\/\/www.lastavica.cz\/jak-se-vlastne-mohou-stare-zarovky-poradne-prodrazit\/","wordCount":439,"articleBody":"Dejme tomu, \u017ee jste extra \u0161et\u0159\u00edc\u00ed a prost\u011b nebudete vyhazovat \u017e\u00e1rovky, kter\u00e9 jsou je\u0161t\u011b dobr\u00e9. Tak si poj\u010fme tedy spo\u010d\u00edtat, jak to bude vypadat na konci roku. Star\u00e1 \u017e\u00e1rovka \u017elut\u00e9ho sv\u011btla, je\u0161t\u011b ne\u017e p\u0159i\u0161ly LED \u017e\u00e1rovky, m\u011bla pr\u016fm\u011brn\u00fd v\u00fdkon okolo pades\u00e1ti watt\u016f, dejme tomu. Uvedeme p\u0159\u00edklad praktick\u00fd z bytu, kde byly p\u0159ed v\u00fdm\u011bnou \u017e\u00e1rovky se spot\u0159ebou \u0161edes\u00e1ti watt\u016f za hodinu. Dom\u00e1cnost, kter\u00e1 doma moc nen\u00ed \u0158ekn\u011bme, \u017ee sv\u00edt\u00edte opravdu poctiv\u011b jenom ve\u010der a to jen p\u00e1r hodin, ne\u017e jdete sp\u00e1t. Cel\u00fd den se sv\u011btla nerozsv\u00edt\u00ed, proto\u017ee zkr\u00e1tka nen\u00ed, kdo by je rozsv\u00edtil. T\u011bch p\u00e1r hodin up\u0159esn\u00edme na 4 hodiny denn\u011b, kdy jsou sv\u011btla v ob\u00fdv\u00e1ku (2) a jedno v kuchyni konstantn\u011b zapnut\u00e9. To m\u00e1te t\u0159ikr\u00e1t kr\u00e1t \u0161edes\u00e1t, abyste dostali v\u00fdkon v\u0161ech \u017e\u00e1rovek za jednu hodinu. Dostanete sto osmdes\u00e1t watt\u016f za hodinu, to je spot\u0159eba za jednu hodinu. Nyn\u00ed to vyn\u00e1sobme po\u010dtem hodin denn\u011b. Tj. sedm set dvacet watt\u016f za den. M\u011bs\u00edc bude m\u00e1 30 dn\u00ed (v\u00edce \u010di m\u00e9n\u011b), tak to vyn\u00e1sobme t\u0159iceti a dostaneme kr\u00e1sn\u00e9 \u010d\u00edslo 21 600 watt\u016f za m\u011bs\u00edc. To vyn\u00e1sobme je\u0161t\u011b dvan\u00e1cti (po\u010det m\u011bs\u00edc\u016f) a m\u00e1me tady \u010d\u00edslo 259 200 watt\u016f za rok. \u0158\u00edk\u00e1te si, \u017ee to nen\u00ed zrovna moc? Za rok jenom n\u011bjak\u00fdch 259 kilowatt\u016f. Cena elekt\u0159iny je okolo 4.80 k\u010d. Vyn\u00e1sobme je\u0161t\u011b naposledy a dostaneme kr\u00e1sn\u00fdch 1243,2 K\u010d. To nen\u00ed zas takov\u00e1 hr\u016fza, \u017ee ano? Nyn\u00ed si ale vezm\u011bme LED \u017e\u00e1rovky \u00fasporn\u00e9 Takov\u00e1 LED, nej\u00fasporn\u011bj\u0161\u00ed, kter\u00e1 jde \u2013 15W. Poj\u010fme to tedy propo\u010d\u00edtat stejn\u00fdm postupem jako v\u00fd\u0161e a dostaneme \u010d\u00edslo 290 K\u010d a n\u011bjak\u00e9 ty hal\u00e9\u0159e. Vid\u00edte ten markantn\u00ed rozd\u00edl? Abychom v\u00e1m usnadnili pr\u00e1ci, je to p\u0159esn\u011b 952 korun, +-. To je obrovsk\u00e1 \u010d\u00e1stka jenom na to, \u017ee jste zam\u011bnili p\u00e1r \u017e\u00e1rovek. I kdyby to byla z\u00e1m\u011bna z 60 na 30, po\u0159\u00e1d u\u0161et\u0159\u00edte v\u00edce ne\u017e p\u016flku. Na ka\u017ed\u00fd m\u011bs\u00edc byste u\u0161et\u0159ili zhruba 80 korun. A v\u00edme, nen\u00ed to zrovna moc. Ale vezm\u011bte si, \u017ee si ka\u017ed\u00fd m\u011bs\u00edc m\u016f\u017eete d\u00e1t dv\u011b piva s pocitem, \u017ee jsou vlastn\u011b zadarmo.  a to je fakt, ale m\u016f\u017eete to d\u011blat i \u0161etrn\u011bji pro planetu i pro va\u0161i pen\u011b\u017eenku.                                                                                                                                                                                                                                                                                                                                                                                         4\/5 - (11 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak se vlastn\u011b mohou star\u00e9 \u017e\u00e1rovky po\u0159\u00e1dn\u011b prodra\u017eit?","item":"https:\/\/www.lastavica.cz\/jak-se-vlastne-mohou-stare-zarovky-poradne-prodrazit\/#breadcrumbitem"}]}]