{"id":1343,"date":"2025-11-03T10:31:18","date_gmt":"2025-11-03T08:31:18","guid":{"rendered":"https:\/\/www.fereastraveka.ro\/blog\/?p=1343"},"modified":"2025-11-03T10:31:18","modified_gmt":"2025-11-03T08:31:18","slug":"ferestrele-ineficiente-sunt-veriga-slaba-din-lantul-termoizolarii-dar-nici-cele-mai-bune-nu-pot-intari-un-lant-compromis","status":"publish","type":"post","link":"https:\/\/www.fereastraveka.ro\/blog\/ferestrele-ineficiente-sunt-veriga-slaba-din-lantul-termoizolarii-dar-nici-cele-mai-bune-nu-pot-intari-un-lant-compromis\/","title":{"rendered":"Ferestrele ineficiente sunt veriga slab\u0103 din lan\u021bul termoizol\u0103rii, dar nici cele mai bune nu pot \u00eent\u0103ri un lan\u021b compromis"},"content":{"rendered":"\n<p>Eficien\u021ba energetic\u0103 \u00eenseamn\u0103 economisirea resurselor \u0219i cheltuieli mai mici, f\u0103r\u0103 a renun\u021ba la condi\u021biile optime de confort. La capitolul cl\u0103diri, cele mai semnificative economii sunt aduse de o termoizolare corect\u0103 a \u00eentregii suprafe\u021be exterioare. \u00cen ceea ce prive\u0219te ferestrele, cele vechi, defecte sau care pur \u0219i simplu nu sunt f\u0103cute pentru a fi termoizolante, pot cauza pierderi de p\u00e2n\u0103 la 45% din energia consumat\u0103 pentru \u00eenc\u0103lzirea sau r\u0103cirea unei cl\u0103diri. Asta \u00eenseamn\u0103 c\u0103 aproape jum\u0103tate din suma \u00eenscris\u0103 pe factura de curent electric, gaz, lemne, pele\u021bi, brichete etc., este aruncat\u0103 pe geam atunci c\u00e2nd ferestrele nu sunt capabile s\u0103 protejeze cl\u0103direa de temperaturile exterioare \u0219i s\u0103 p\u0103streze confortul \u00een interior. O parte din cealalt\u0103 jum\u0103tate se poate pierde la nivelul pere\u021bilor, terasei sau funda\u021biei, \u00eens\u0103 niciunul dintre aceste elemente nu risipe\u0219te la fel de mult\u0103 energie precum ferestrele \u0219i u\u0219ile de calitate slab\u0103. <\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Eficien\u0163\u0103 termic\u0103 maxim\u0103\" width=\"580\" height=\"326\" src=\"https:\/\/www.youtube.com\/embed\/8sO2z4qpT2o?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><strong>Nu exist\u0103 ferestre salvatoare pentru cl\u0103diri ineficiente<\/strong><\/p>\n\n\n\n<p>Ferestrele \u0219i u\u0219ile termoizolante cu Uw (coeficient de transfer termic) sc\u0103zut \u0219i durat\u0103 de via\u021b\u0103 \u00eendelungat\u0103 sunt investi\u021biile care pot reduce cel mai mult pierderile de energie \u0219i costurile de climatizare. Spre exemplu, investi\u021bia \u00een sisteme VEKA exclusiv de Clasa A pentru ferestre \u0219i u\u0219i termoizolante se poate amortiza \u00een doar c\u00e2\u021biva ani, trec\u00e2nd \u00een contul lor economiile din facturile pentru energie, iar beneficiile pe care le ofer\u0103 continu\u0103 pe o perioad\u0103 estimat\u0103 la 50 de ani. Totu\u0219i, pentru ca aceste beneficii s\u0103 \u00ee\u0219i ating\u0103 poten\u021bialul maxim, ferestrele \u0219i u\u0219ile trebuie proiectate \u00een concordan\u021b\u0103 cu particularit\u0103\u021bile fiec\u0103rei cl\u0103diri \u0219i climatul zonei, montajul executat obligatoriu de profesioni\u0219ti, iar celelalte elemente ale anvelopei trebuie de asemenea termoizolate. \u00cen caz contrar, nici m\u0103car o fereastr\u0103 cu sistem <a href=\"https:\/\/www.fereastraveka.ro\/blog\/veka-softline-82-un-sistem-versatil-pentru-case-pasive\/\">SOFTLINE 82<\/a>, proiectat\u0103, produs\u0103 \u0219i montat\u0103 respect\u00e2nd cele mai riguroase standarde \u0219i care poate completa construc\u021bia unei case pasive, nu compenseaz\u0103 pierderile de la nivelul pere\u021bilor \u0219i teraselor lipsite de propriet\u0103\u021bi termoizolante. Totodat\u0103, \u0219i cea mai rezistent\u0103 fereastr\u0103 are \u0219anse minime \u00een lupta cu un montator \u00eend\u00e2rjit, dar f\u0103r\u0103 experien\u021b\u0103, \u0219i nu poate elimina pun\u021bile termice din \u00eentreaga cl\u0103dire, favorizate de beton \u0219i zid\u0103rie l\u0103sate s\u0103 ia contact direct cu temperaturile exterioare. A\u0219adar, o fereastr\u0103 nu face minuni de una singur\u0103. O abordare corect\u0103 \u00een reabilitarea termic\u0103 a unui imobil sau \u00een construc\u021bia unei <a href=\"https:\/\/www.fereastraveka.ro\/blog\/conditiile-nzeb-pot-fi-indeplinite-cu-orice-sistem-veka-de-clasa-a\/\">cl\u0103diri noi nZEB<\/a>, este termoizolarea \u00eentregii cl\u0103diri \u0219i instalarea de ferestre \u0219i u\u0219i termoizolante \u00een toate \u00eenc\u0103perile cu pere\u021bi exteriori. \u00cen cazul t\u00e2mpl\u0103riei termoizolante, pentru cele mai bune rezultate se mai recomand\u0103 alegerea sistemelor de Clasa A, iar <a href=\"https:\/\/www.fereastraveka.ro\/blog\/cum-arata-oferta-de-clasa-a-pentru-ferestre-si-usi-termoizolante\/\">produc\u021bia \u0219i montajul<\/a> s\u0103 fie f\u0103cute de profesioni\u0219ti cu experien\u021b\u0103.<\/p>\n\n\n\n<p><strong>Ce \u00eenseamn\u0103 montajul pentru eficien\u021ba ferestrelor<\/strong><\/p>\n\n\n\n<p>Realizarea unor ferestre eficiente cu durat\u0103 de via\u021b\u0103 estimat\u0103 la 50 de ani \u00eencepe cu m\u0103sur\u0103tori precise. Pentru a evita surprize de genul ferestrelor care nu \u00eencap \u00een golul de zid\u0103rie sau a unor spa\u021bii mult prea mari ce r\u0103m\u00e2n \u00eentre toc \u0219i zid, m\u0103surile corecte, efectuate la fa\u021ba locului de un profesionist, sunt deosebit de importante. Asta deoarece nu este de dorit s\u0103 se piard\u0103 timp, risc\u00e2nd \u0219i deficien\u021be ulterioare, apel\u00e2nd la improviza\u021bii ca l\u0103rgirea spa\u021biului prin spargeri sau umplerea golurilor cu polistiren, un strat imens de spum\u0103 poliuretanic\u0103 \u0219i alte materiale. Aceast\u0103 procedur\u0103 de umplere, de\u0219i este des \u00eent\u00e2lnit\u0103 la montatorii de ocazie, reprezint\u0103 un pericol pentru eficien\u021ba \u0219i durabilitatea ferestrelor. Pe de o parte, umplutura \u00ee\u0219i poate pierde u\u0219or etan\u0219eitatea, l\u0103s\u00e2nd loc infiltra\u021biilor de ap\u0103. Pe de alt\u0103 parte, poate duce la o prindere fragil\u0103 (cu lungime scurt\u0103) a \u0219uruburilor de ancorare \u00een zid sau la o ancorare prea flexibil\u0103, datorit\u0103 distan\u021bei mari pe care aceste \u0219uruburi o traverseaz\u0103 f\u0103r\u0103 a se prinde \u00eentr-un material solid. Ce se \u00eent\u00e2mpl\u0103 mai exact c\u00e2nd avem spa\u021bii de +5cm \u00eentre tocul ferestre lor \u0219i zid este c\u0103, \u00een timpul seismelor sau la rafale puternice de v\u00e2nt, lungimea liber\u0103 a \u0219uruburilor se transform\u0103 \u00een supor\u021bi de tip resort care permit ferestrelor s\u0103 oscileze \u00een planul lor. Chiar dac\u0103 ferestrele revin la pozi\u021bia ini\u021bial\u0103, \u0219uruburile rezist\u0103, iar un sistem precum cele VEKA de Clasa A nu va fi afectat, hidroizola\u021bia \u0219i termoizola\u021bia din jurul ferestrei pot l\u0103sa loc infiltra\u021biilor \u0219i pot ap\u0103rea fisuri inestetice pe l\u00e2ng\u0103 toc.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"481\" data-id=\"1345\"  src=\"https:\/\/www.fereastraveka.ro\/blog\/wp-content\/uploads\/2025\/11\/2-VEKA-montaj-profesional-1024x481.jpg\" alt=\"\" class=\"wp-image-1345\" srcset=\"https:\/\/www.fereastraveka.ro\/blog\/wp-content\/uploads\/2025\/11\/2-VEKA-montaj-profesional-1024x481.jpg 1024w, https:\/\/www.fereastraveka.ro\/blog\/wp-content\/uploads\/2025\/11\/2-VEKA-montaj-profesional-300x141.jpg 300w, https:\/\/www.fereastraveka.ro\/blog\/wp-content\/uploads\/2025\/11\/2-VEKA-montaj-profesional-768x361.jpg 768w, https:\/\/www.fereastraveka.ro\/blog\/wp-content\/uploads\/2025\/11\/2-VEKA-montaj-profesional-1200x564.jpg 1200w, https:\/\/www.fereastraveka.ro\/blog\/wp-content\/uploads\/2025\/11\/2-VEKA-montaj-profesional.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<p>Din aceste motive, m\u0103sur\u0103torile care las\u0103 un spa\u021biu c\u00e2t mai mic, dar existent, \u00eentre toc \u0219i zid sunt un prim pas foarte important \u00een schimbarea ferestrelor sau instalarea t\u00e2mpl\u0103riei \u00een cl\u0103diri noi. Mai departe, foarte important\u0103 este etan\u0219area acestui spa\u021biu cu band\u0103 termoizolant\u0103 precomprimat\u0103 sau cu spum\u0103 poliuretanic\u0103 cu celul\u0103 \u00eenchis\u0103, dar \u0219i ca termoizola\u021bia pere\u021bilor pe exterior s\u0103 treac\u0103 peste tocul ferestrei. Pentru o termoizolare \u0219i mai performant\u0103 a grani\u021bei dintre perete \u0219i t\u00e2mpl\u0103rie, VEKA a lansat sistemul de <a href=\"https:\/\/www.fereastraveka.ro\/blog\/vekafast-sistemul-eficient-pentru-montajul-ferestrelor-la-exteriorul-zidariei\/\">pre-cadre VEKAFAST<\/a>. Acesta elimin\u0103 totodat\u0103 riscul apari\u021biei pun\u021bilor termice \u00een jurul ferestrelor \u0219i permite un montaj rapid, sistemul fiind ata\u0219at t\u00e2mpl\u0103riei \u00een timpul produc\u021biei.<\/p>\n\n\n\n<p><strong>Termoizola\u021bia e perfect\u0103, dar facturile tot mari<\/strong><\/p>\n\n\n\n<p>Cei mai mari consumatori de energie dintr-o locuin\u021b\u0103 sunt \u00een general centralele termice \u0219i aparatele de aer condi\u021bionat. Dac\u0103 ai rezolvat deja problema pierderilor de energie cu termoizola\u021bie a pere\u021bilor, ferestre \u0219i u\u0219i de Clasa A, verific\u0103 \u00een continuare eficien\u021ba acestor consumatori, \u021bin\u00e2nd cont de noile clase de eficien\u021b\u0103 energetic\u0103. Mai departe, ai grij\u0103 ca ace\u0219tia s\u0103 func\u021bioneze la randament c\u00e2t mai bun: nu bloca sursele de c\u0103ldur\u0103\/frig cu obstacole termoizolante ca draperii dense, mobilier sau mochete groase \u0219i \u00eentinse, dac\u0103 ai \u00eenc\u0103lzire \u00een pardosea. \u00cen cazul aparatelor de aer condi\u021bionat, nu seta temperatura la 16 grade. Temperatura interioar\u0103 nu va atinge niciodat\u0103 aceast\u0103 valoare \u00een timpul verilor caniculare, a\u0219a c\u0103 aceasta setare nu face dec\u00e2t s\u0103 consume energie electric\u0103 tot timpul c\u00e2t aparatul este pornit. Set\u0103ri mai eficiente pentru temperatur\u0103 sunt cele de peste 25 de grade Celsius \u0219i izolarea camerelor \u00een care se folose\u0219te aerul condi\u021bionat de restul locuin\u021bei prin \u00eenchiderea u\u0219ilor. Hotele \u00een buc\u0103t\u0103rii, ventila\u021bia \u00een b\u0103i \u0219i p\u0103strarea u\u0219ilor \u00eenchise la aceste \u00eenc\u0103peri, p\u00e2n\u0103 se elimin\u0103 umiditatea, sunt alte mici trucuri care previn apari\u021bia condensului \u0219i reduc risipa de energie.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"641\" data-id=\"1346\"  src=\"https:\/\/www.fereastraveka.ro\/blog\/wp-content\/uploads\/2025\/11\/3-VEKA-REGEL-AIR-ventilatie-profil-PVC-ferestre-1024x641.jpg\" alt=\"\" class=\"wp-image-1346\" srcset=\"https:\/\/www.fereastraveka.ro\/blog\/wp-content\/uploads\/2025\/11\/3-VEKA-REGEL-AIR-ventilatie-profil-PVC-ferestre-1024x641.jpg 1024w, https:\/\/www.fereastraveka.ro\/blog\/wp-content\/uploads\/2025\/11\/3-VEKA-REGEL-AIR-ventilatie-profil-PVC-ferestre-300x188.jpg 300w, https:\/\/www.fereastraveka.ro\/blog\/wp-content\/uploads\/2025\/11\/3-VEKA-REGEL-AIR-ventilatie-profil-PVC-ferestre-768x481.jpg 768w, https:\/\/www.fereastraveka.ro\/blog\/wp-content\/uploads\/2025\/11\/3-VEKA-REGEL-AIR-ventilatie-profil-PVC-ferestre-1200x751.jpg 1200w, https:\/\/www.fereastraveka.ro\/blog\/wp-content\/uploads\/2025\/11\/3-VEKA-REGEL-AIR-ventilatie-profil-PVC-ferestre.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<p>Tot pentru a sc\u0103pa de condens \u0219i mucegai, evit\u0103 uscarea rufelor \u00een camere neaerisite \u0219i care comunic\u0103 cu toat\u0103 locuin\u021ba. Alege cu aten\u021bie \u0219i plantele, c\u00e2te \u021bii \u00een cas\u0103, s\u0103 nu le uzi \u00een exces \u0219i s\u0103 le p\u0103strezi la o temperatur\u0103 potrivit\u0103. Plantele, ca \u0219i oamenii, folosesc transpira\u021bia pentru a-\u0219i reduce temperatura, iar unele au darul de a elimina cantit\u0103\u021bi considerabile de ap\u0103 sub form\u0103 de vapori, mai ales dac\u0103 sunt \u021binute pe l\u00e2ng\u0103 un calorifer \u00eencins. Acest lucru duce inevitabil la apari\u021bia condensului pe fereastra al c\u0103rui pervaz le g\u0103zduie\u0219te \u0219i poate favoriza apari\u021bia mucegaiului c\u00e2nd apa str\u00e2ns\u0103 pe geam se scurge pe pere\u021bi. Dac\u0103 te confrun\u021bi deja cu astfel de probleme \u0219i duci lips\u0103 de op\u021biuni, un sistem de ventila\u021bie ca <a href=\"https:\/\/www.fereastraveka.ro\/solutii_tehnice\/categ\/accesorii\/sisteme-de-ventilatie\">REGEL-air,<\/a> sau ferestre cu deschidere \u00een plan paralel te pot ajuta s\u0103 scapi de umiditate, f\u0103r\u0103 pierderi de c\u0103ldur\u0103 \u0219i confort.<\/p>\n\n\n\n<p>Ce mai trebuie precizat este c\u0103 o fereastr\u0103 \u00eentredeschis\u0103 \u00ee\u0219i pierde instant eficien\u021ba, a\u0219a c\u0103 aerise\u0219te de 1-2 ori pe zi, \u00een intervale scurte de 10-15 minute, deschiz\u00e2nd toate ferestrele exterioare \u0219i u\u0219ile interioare. A\u0219a creezi un curent de aer care ajut\u0103 rapid la eliminarea aerului \u00eenchis \u0219i a umidit\u0103\u021bii din interior, \u00eenainte ca frigul sau canicula s\u0103 se instaleze \u00een pere\u021bii interiori \u0219i mobilier.<\/p>\n\n\n\n<p>Revenind la consumatori, lista celor importan\u021bi continu\u0103 cu plitele electrice, becurile cu incandescen\u021b\u0103 \u0219i usc\u0103toarele de rufe. Dac\u0103 \u00eei \u00eenlocuie\u0219ti \u0219i pe ace\u0219tia cu unii eficien\u021bi, ai deja ferestre de Clasa A, locuie\u0219ti \u00eentr-o cl\u0103dire termoizolat\u0103 \u0219i \u021bii cont de sfaturile de mai sus, costurile cu energia ar trebui s\u0103 scad\u0103 sim\u021bitor.<\/p>\n\n\n\n<p>\u00cen situa\u021bia \u00een care nu ai deja ferestre de Clasa A, sfatul nostru c\u0103lduros este s\u0103 \u00ee\u021bi \u00eendrep\u021bi aten\u021bia spre partenerii acredita\u021bi VEKA Rom\u00e2nia, care se pot ocupa de toat\u0103 procedura: m\u0103sur\u0103tori, produc\u021bie, montaj. \u00cen plus, poate mai afli de la ei \u0219i alte trucuri despre cum po\u021bi cre\u0219te eficien\u021ba \u0219i confortul casei tale, trucuri mai rare \u0219i greu de intuit, dar care sunt imediat identificate la fa\u021ba locului de un om cu experien\u021b\u0103. Iar dac\u0103 te preocup\u0103 felul \u00een care vor ar\u0103ta ferestrele tale \u00een urm\u0103torii 50 de ani, stai f\u0103r\u0103 grij\u0103 &#8211; <a href=\"https:\/\/www.fereastraveka.ro\/solutii_tehnice\/gama_de_culori\">paletarul VEKA<\/a> este foarte generos. <a href=\"https:\/\/fereastraveka.ro\/oferta_tamplarie_pvc\">Solicit\u0103 oferta<\/a> \u0219i intr\u0103 \u00een lumea de Clasa A. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Eficien\u021ba energetic\u0103 \u00eenseamn\u0103 economisirea resurselor \u0219i cheltuieli mai mici, f\u0103r\u0103 a renun\u021ba la condi\u021biile optime de confort. La capitolul cl\u0103diri, cele mai semnificative economii sunt aduse de o termoizolare corect\u0103 a \u00eentregii suprafe\u021be exterioare. \u00cen ceea ce prive\u0219te ferestrele, cele vechi, defecte sau care pur \u0219i simplu nu sunt f\u0103cute pentru a fi termoizolante, pot [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1344,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[103,120,48,69,152,5,118],"acf":[],"_links":{"self":[{"href":"https:\/\/www.fereastraveka.ro\/blog\/wp-json\/wp\/v2\/posts\/1343"}],"collection":[{"href":"https:\/\/www.fereastraveka.ro\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fereastraveka.ro\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fereastraveka.ro\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fereastraveka.ro\/blog\/wp-json\/wp\/v2\/comments?post=1343"}],"version-history":[{"count":1,"href":"https:\/\/www.fereastraveka.ro\/blog\/wp-json\/wp\/v2\/posts\/1343\/revisions"}],"predecessor-version":[{"id":1347,"href":"https:\/\/www.fereastraveka.ro\/blog\/wp-json\/wp\/v2\/posts\/1343\/revisions\/1347"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fereastraveka.ro\/blog\/wp-json\/wp\/v2\/media\/1344"}],"wp:attachment":[{"href":"https:\/\/www.fereastraveka.ro\/blog\/wp-json\/wp\/v2\/media?parent=1343"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fereastraveka.ro\/blog\/wp-json\/wp\/v2\/categories?post=1343"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fereastraveka.ro\/blog\/wp-json\/wp\/v2\/tags?post=1343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}