\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\nCOP (Coefficient of Performance) l\u00e0 ch\u1ec9 s\u1ed1 c\u01a1 b\u1ea3n nh\u1ea5t d\u00f9ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a h\u1ec7 th\u1ed1ng HVAC, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh v\u00e0 b\u01a1m nhi\u1ec7t. Ch\u1ec9 s\u1ed1 n\u00e0y th\u1ec3 hi\u1ec7n t\u1ef7 l\u1ec7 gi\u1eefa c\u00f4ng su\u1ea5t l\u1ea1nh t\u1ea1o ra v\u00e0 c\u00f4ng su\u1ea5t \u0111i\u1ec7n ti\u00eau th\u1ee5, t\u1eeb \u0111\u00f3 ph\u1ea3n \u00e1nh m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 trong vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng.<\/p>\n
\u0110i\u1ec3m \u0111\u1eb7c bi\u1ec7t c\u1ee7a COP l\u00e0 kh\u00f4ng c\u00f3 \u0111\u01a1n v\u1ecb, gi\u00fap d\u1ec5 d\u00e0ng so s\u00e1nh gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n quy \u0111\u1ed5i. \u0110\u00e2y l\u00e0 l\u00fd do v\u00ec sao COP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u1ea3 thi\u1ebft k\u1ebf l\u1eabn v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng HVAC.<\/p>\n
\n![\"COP](\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/04\/COP-factor.png\")
COP factor<\/figcaption><\/figure>\n\n
<\/span>2.2 \u00dd ngh\u0129a th\u1ef1c t\u1ebf c\u1ee7a COP<\/strong><\/span><\/span><\/h2>\nTrong th\u1ef1c t\u1ebf, COP c\u00e0ng cao th\u00ec h\u1ec7 th\u1ed1ng c\u00e0ng ti\u1ebft ki\u1ec7m \u0111i\u1ec7n, b\u1edfi c\u00f9ng m\u1ed9t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng ti\u00eau th\u1ee5 nh\u01b0ng t\u1ea1o ra \u0111\u01b0\u1ee3c nhi\u1ec1u c\u00f4ng su\u1ea5t l\u1ea1nh h\u01a1n. \u0110i\u1ec1u n\u00e0y c\u00f3 \u00fd ngh\u0129a r\u1ea5t l\u1edbn \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh c\u00f3 th\u1eddi gian v\u1eadn h\u00e0nh HVAC d\u00e0i, v\u00ec ch\u1ec9 c\u1ea7n c\u1ea3i thi\u1ec7n m\u1ed9t ch\u00fat COP c\u0169ng c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m m\u1ed9t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng \u0111\u00e1ng k\u1ec3 trong d\u00e0i h\u1ea1n.<\/p>\n
Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng COP th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o t\u1ea1i m\u1ed9t \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh c\u1ee5 th\u1ec3, do \u0111\u00f3 kh\u00f4ng ph\u1ea3n \u00e1nh \u0111\u1ea7y \u0111\u1ee7 hi\u1ec7u su\u1ea5t trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. Ch\u00ednh v\u00ec v\u1eady, COP th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ch\u1ec9 s\u1ed1 kh\u00e1c \u0111\u1ec3 c\u00f3 c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n h\u01a1n v\u1ec1 hi\u1ec7u n\u0103ng h\u1ec7 th\u1ed1ng.<\/p>\n
<\/span>2.3 \u1ee8ng d\u1ee5ng COP trong thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh<\/strong><\/span><\/span><\/h2>\nTrong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf, COP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb c\u00f3 hi\u1ec7u su\u1ea5t cao, t\u1eeb \u0111\u00f3 gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh trong t\u01b0\u01a1ng lai. Trong khi \u0111\u00f3, \u1edf giai \u0111o\u1ea1n v\u1eadn h\u00e0nh, COP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n l\u1ea1i d\u1ef1a tr\u00ean d\u1eef li\u1ec7u th\u1ef1c t\u1ebf \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng v\u00e0 ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n.<\/p>\n
\n<\/span>3. EER \u2013 Ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng t\u1ee9c th\u1eddi<\/strong><\/span><\/span><\/h1>\n<\/span>3.1 Kh\u00e1i ni\u1ec7m EER<\/strong><\/span><\/span><\/h2>\nEER=Cooling Capacity (BTU\/h)\/Power Input (W)<\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\nEER (Energy Efficiency Ratio) l\u00e0 ch\u1ec9 s\u1ed1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb HVAC t\u1ea1i m\u1ed9t \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n c\u1ed1 \u0111\u1ecbnh. Ch\u1ec9 s\u1ed1 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed d\u00e2n d\u1ee5ng v\u00e0 th\u01b0\u01a1ng m\u1ea1i nh\u1ecf, n\u01a1i \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh.<\/p>\n
<\/span>3.2 So s\u00e1nh EER v\u00e0 COP<\/strong><\/span><\/span><\/h2>\nM\u1eb7c d\u00f9 c\u00f3 c\u00f9ng m\u1ee5c \u0111\u00edch \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t, nh\u01b0ng EER v\u00e0 COP c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u0111\u01a1n v\u1ecb v\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111o. EER s\u1eed d\u1ee5ng \u0111\u01a1n v\u1ecb BTU\/W\u00b7h v\u00e0 \u0111\u01b0\u1ee3c \u0111o t\u1ea1i \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n, trong khi COP kh\u00f4ng c\u00f3 \u0111\u01a1n v\u1ecb v\u00e0 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng linh ho\u1ea1t h\u01a1n.<\/p>\n
Vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u00f9ng l\u1ef1a ch\u1ecdn ch\u1ec9 s\u1ed1 ph\u00f9 h\u1ee3p khi so s\u00e1nh thi\u1ebft b\u1ecb ho\u1eb7c \u0111\u00e1nh gi\u00e1 hi\u1ec7u n\u0103ng h\u1ec7 th\u1ed1ng trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau.<\/p>\n
![\"\"](\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/04\/cop-and-eer.png\")
<\/p>\n
<\/span>3.3 \u1ee8ng d\u1ee5ng EER trong th\u1ef1c t\u1ebf<\/strong><\/span><\/span><\/h2>\nEER th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 gi\u00fap ng\u01b0\u1eddi ti\u00eau d\u00f9ng so s\u00e1nh hi\u1ec7u su\u1ea5t gi\u1eefa c\u00e1c s\u1ea3n ph\u1ea9m. Tuy nhi\u00ean, do ch\u1ec9 ph\u1ea3n \u00e1nh t\u1ea1i m\u1ed9t \u0111i\u1ec3m v\u1eadn h\u00e0nh, n\u00ean EER c\u1ea7n \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ch\u1ec9 s\u1ed1 kh\u00e1c \u0111\u1ec3 c\u00f3 \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf.<\/p>\n
\n<\/span>4. SEER \u2013 Ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng theo m\u00f9a<\/strong><\/span><\/span><\/h1>\n<\/span>4.1 Kh\u00e1i ni\u1ec7m SEER<\/strong><\/span><\/span><\/h2>\nSEER=Total Cooling Output\/Total Energy Input<\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\nSEER (Seasonal Energy Efficiency Ratio) l\u00e0 ch\u1ec9 s\u1ed1 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n nh\u1eb1m \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng HVAC trong su\u1ed1t m\u1ed9t m\u00f9a s\u1eed d\u1ee5ng, thay v\u00ec ch\u1ec9 t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m. \u0110\u00e2y l\u00e0 ch\u1ec9 s\u1ed1 ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c h\u01a1n m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf.<\/p>\n
<\/span>4.2 L\u1ee3i \u00edch c\u1ee7a SEER<\/strong><\/span><\/span><\/h2>\nSEER gi\u00fap ng\u01b0\u1eddi d\u00f9ng hi\u1ec3u r\u00f5 chi ph\u00ed v\u1eadn h\u00e0nh d\u00e0i h\u1ea1n c\u1ee7a h\u1ec7 th\u1ed1ng, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c khu v\u1ef1c c\u00f3 kh\u00ed h\u1eadu bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh. M\u1ed9t thi\u1ebft b\u1ecb c\u00f3 SEER cao s\u1ebd ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n h\u01a1n trong su\u1ed1t m\u00f9a s\u1eed d\u1ee5ng, t\u1eeb \u0111\u00f3 mang l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf r\u00f5 r\u1ec7t.<\/p>\n
<\/span>4.3 \u1ee8ng d\u1ee5ng SEER trong l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb<\/strong><\/span><\/span><\/h2>\nTrong th\u1ef1c t\u1ebf, c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u h\u00f2a inverter th\u01b0\u1eddng c\u00f3 SEER cao h\u01a1n, nh\u1edd kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh c\u00f4ng su\u1ea5t linh ho\u1ea1t theo t\u1ea3i th\u1ef1c t\u1ebf. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u1ed1i \u01b0u n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh \u0111\u00e1ng k\u1ec3.<\/p>\n
\n<\/span>5. IPLV \u2013 Hi\u1ec7u su\u1ea5t t\u1ea3i m\u1ed9t ph\u1ea7n c\u1ee7a Chiller<\/strong><\/span><\/span><\/h1>\n<\/span>5.1 Kh\u00e1i ni\u1ec7m IPLV<\/strong><\/span><\/span><\/h2>\nIPLV=0.01A+0.42B+0.45C+0.12DIPLV = 0.01A + 0.42B + 0.45C + 0.12D<\/span>I<\/span>P<\/span>L<\/span>V<\/span>=<\/span><\/span>0.01<\/span>A<\/span>+<\/span><\/span>0.42<\/span>B<\/span>+<\/span><\/span>0.45<\/span>C<\/span>+<\/span><\/span>0.12<\/span>