Na yi imani cewa masu amfani da suka koya game daevaporative iska mai sanyaya san cewa babban factor shafi bambancin farashinmasana'antu ruwa mai sanyaya iskashine ƙarar iska.Mafi arha samfurin shine maƙasudin maƙasudi 18,000 na iskamasana'antu iska mai sanyaya.Baya ga 18,000, akwai 23,000, 25,000, da 30,000 na iska., 40,000, 50,000 da kuma manyan injin ƙarar iska, farashinmai sanyaya iska hakika zai bambanta saboda nau'in iska daban-daban, dababbaƙarar iska, mafi girman farashin mai gida

Me yasa mafi girman girman iska na mai sanyaya iska, mafi tsada shi ne, saboda girman girman iska, mafi girman filastik.Don ba da misali mai sauƙi, lokacin da muka tsara wanimai sanyaya iskashirin shigarwa wanda ke buƙatar samun iska da sanyaya, gabaɗaya yana dogara ne akan ƙarar yanayin sanyaya da halayen yanayi suna ƙayyade adadin raka'a da za a shigar.Na'urar da ke da girman iska yana da girman iska mai girma da isasshen iska, kuma nisan samar da iska ya fi tsayi.Sabili da haka, lokacin yin aikin tashar jiragen ruwa mai goyan baya, ana iya tsara shi tsawon lokaci kuma tare da ƙarin kantunan iska.Idan ƙarar iskar ƙanƙanta ne, idan kun ƙirƙira dogon iskar bututun iska da yawan kantunan iska, zai yi tasiri kai tsaye tasirin iska mai sanyi a tashoshin iska.A cikin lokuta masu tsanani, karfin iska a ƙarshen tashar iska ba zai isa ba kuma ba za a sami iska mai sanyi don busawa ba.Amfanin a bayyane yake.Na'ura ɗaya na iya yin dogon bututun iska da buɗe ƙarin kantunan iska.A sauƙaƙe, ingantaccen wurin sanyaya na inji ɗaya ya fi girma.

Bugu da ƙari, wani amfani na mai watsa shiri tare da babban girman iska shine cewa yana adana wurin shigarwa.Idan aka ce a cikin yanayi guda na sanyaya, an shigar da runduna 10 masu karfin iska 18,000, kuma runduna 4 ne kawai masu karfin iska 30,000 aka shigar.Koyaya, wurin shigarwa na mai amfani yana iyakance.Ba zai iya ɗaukar shigarwa na runduna 10 ba, musamman ma wasu masu amfani da muhalli sun fi na musamman, wurin shigarwa yana da iyaka sosai, amma wurin sanyaya yana da girma sosai, to muna buƙatar canza yanayin.masana'antu evaporative iska mai sanyayaMai watsa shiri tare da ƙarar iska mai girma a wannan lokacin, matsakaicin zai iya zama Idan babban injin da ke da ƙarfin iska ya kai 120,000, babban injin da ke da girman iska zai magance matsalar rashin isasshen sarari a wannan lokacin.Saboda haka, mai sanyaya iskatare da ƙarar iska mai girma yana da filastik mafi girma kuma mafi fa'ida a bayyane, amma farashin samarwa ya ragu.Ya fi girma fiye da babban injin tare da ƙananan ƙananan iska, don haka farashin farashin mai sanyaya iskatare da girman girman iska shima ya fi tsada.