睇你自己覺得生活質素值唔值加錢囉

剩係50同40分貝的差距你就要諗諗值唔值 ...
s84292 發表於 2024-7-26 14:31



咁要睇佢耐唔耐用
到佢夏天壞果時生活質素就係 0

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本帖最後由 TH30 於 2024-7-26 22:32 編輯
佢地成日講 D 好模糊既慨念
比如話匹數一樣
但事實上匹數係一個約數 ,唔係一個實數
即係話可以一個製冷 ...
doggiestyle 發表於 2024-7-26 12:06 PM


用BTU計可能精準少少,又可以計EER,仲可以講埋CSFP  

不過我覺得所謂買大半匹的說法只是為水個客close case

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回覆  nicksir
小弟覆番自己以免得罪各位大哥。
‘’制冷量因為環保雪種冇以前定頻果啲咁凍……下次換機 ...
nicksir 發表於 2024-7-26 12:59 PM


為左應付個客話唔夠凍,C父就"發明"一堆似是而非的理論,咩要買大半匹,咩環保雪種太熱會停止制冷,裝倒水入機令壓縮機超頻

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自行判斷,信不信由你



R22 Is Not Colder than R410A


In fact, R410A can cool a room slightly faster with less energy. Efficient performance is a significant benefit of R410A. However, it works the same way as R22 in absorbing heat to provide cooling. But R410A doesn’t make a room any colder than its predecessor.
 

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利申我唔係C父我淨係識google有錯請指正  


Why Make the Change?  
Here are a few of the biggest reasons the changeover is such a good idea:

[.... ]
Improved efficiency: R410A is able to absorb and release heat better than R22, making it more energy efficient. Plus, because it’s more fluid in temperature changing abilities, it does a better job heating or cooling your house quickly.

Improved performance: R22 has a harder time letting go of heat, which means it’s more likely to cause a compressor burnout than the more flexible R410A.

Even if R22 wasn’t being phased out, the improvements shown by R410A are enough on their own to warrant the changeover. However, looking at all these factors combined, it’s easy to see why making the jump to a new unit is such a good idea.



https://bodinescott.com/r22-vs-r410a-refrigerant-why-need-make-change/

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本帖最後由 3K 於 2024-7-26 23:01 編輯
按樓上某人講到散熱面積咁重要
窗分對佢唻講應該都係垃圾唻

如果唔想佔用內牆面積
唔知邊間廠有 ...
kanduki 發表於 2024-7-26 12:16


你用其他機對比下 SRK25ZSXH-S製冷量2.5kWh 用電量440W 咪知室外機大小同效能關係囉
另外 420 / 窗分為了搾取更多熱交換量 , 外機風扇會更大轉速 . 簡接來講外機風嘈更大.
有位裝嘅當然外機越大越好. 貴買平用 , 長開最化算.

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你用其他機對比下 SRK25ZSXH-S製冷量2.5kWh 用電量440W 咪知室外機大小同效能關係囉
另外 420 / ...
3K 發表於 2024-7-26 22:54



但香港地用冷氣機最貴係土地同安裝維修人工
電費向大城市人口資薪比例反而真係算平

尤其開到夠凍轉行低頻之後
耗電量差異就更唔明顯

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用BTU計可能精準少少,又可以計EER,仲可以講埋CSFP  

不過我覺得所謂買大半匹的說法只是為水個客close ...
TH30 發表於 2024-7-26 14:25

正解+1   喵計BTU唔理幾多匹只要個BTU 夠做就得

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本帖最後由 3K 於 2024-7-27 13:27 編輯
但香港地用冷氣機最貴係土地同安裝維修人工
電費向大城市人口資薪比例反而真係算平

尤其開到夠凍轉行低 ...
kanduki 發表於 2024-7-27 08:37



你無睇清楚"對於我來講"
香港家用機冷氣佬9成都係垃圾用料同手工! 呢樣當然要親力親為!

低頻一樣按比例用電低 , 呢樣係天生物理限制,蒸發器面積大嘅優勢!
大金頂級 FTXZ25N 同樣都係一匹大外機 , 410W   不過香港已經無賣,可能價錢太高級 .

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你無睇清楚"對於我來講"
香港家用機冷氣佬9成都係垃圾用料同手工! 呢樣當然要親力親為!

低頻 ...
3K 發表於 2024-7-27 13:13


咁嘅機香港唔再賣好正常
啲師傅以為係普通嘅一匹機咁報價安裝
上到唻見到部室外機咁嘅尺碼同重量先知中哂伏
咁就肯定得垃圾用料同手工啦

如果真係DIY嘅都係建議買420嘅機就好
起碼就算兩匹咁大
由舖頭買現貨托上私家車開始
直至到抬咗部室外機出外埋雪種喉
對唔係專科同得一個人做都仲應付到同無咁易失手

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