WattCost

Data through April 2026

Computer Monitors · 488 certified models

27-Inch Computer Monitors

488 certified 27-inch computer monitors appear in this data, costing $5.52 to $24 a year to run at the U.S. average rate — median $10.

The 50 most efficient (of 488)

27-Inch Computer Monitors, ranked by certified annual kWh
#ModelkWh/yr$/yr (US avg)
1PHILIPS 27B2G5200most efficient29$5.52
2Acer B277_vmost efficient30$5.66
3Acer B277U_vmost efficient30$5.73
4BenQ GW2790C-Bmost efficient31$5.82
5ASUS VA27DQFSmost efficient32$6.05
6ASUS VU279Hmost efficient32$6.07
7ASUS VA27DQFmost efficient33$6.21
8PHILIPS 27B2G5500most efficient35$6.60
9DELL E2726HStmost efficient35$6.64
10ASUS VY279HGRmost efficient35$6.65
11ASUS VZ279HGmost efficient35$6.65
12ViewSonic VS20601most efficient35$6.65
13ViewSonic VS20656most efficient36$6.69
14MSI PRO MP273 E14A36$6.74
15ASUS VA279QGmost efficient36$6.77
16DELL P2726Htmost efficient36$6.80
17ASUS BE279QFKmost efficient37$6.92
18LG 27BA450most efficient37$6.97
19Acer V277most efficient37$6.99
20Vastec MF2739-Kmost efficient37$7.00
21ASUS VA279QGSmost efficient37$7.01
22EIZO FlexScan EV2740Smost efficient37$7.01
23Acer KA272_a37$7.02
24AOpen 27CL1_a37$7.02
25Samsung S27HG31*** (* = 0-9, A-Z or blank)38$7.08
26Lenovo A25270FS0most efficient38$7.08
27ViewSonic VS20163most efficient38$7.13
28ViewSonic VS20561most efficient38$7.14
29Acer UT272most efficient38$7.15
30ViewSonic VS20851most efficient38$7.16
31YASHI YZ274838$7.16
32ViewSonic VS20017most efficient38$7.21
33AOpen 27UT2most efficient38$7.25
34MSI PRO MP275Q E14most efficient39$7.27
35SiComputer Scena NC27most efficient39$7.30
36ASRock CL27FFBmost efficient39$7.33
37HP HP 527pfmost efficient39$7.33
38BenQ GW2790TC-Tmost efficient39$7.34
39SiComputer NI27most efficient39$7.36
40Lenovo H25270FE0most efficient39$7.39
41ASUS BE279QSKmost efficient39$7.42
42Lenovo A18270FS040$7.44
43DELL P2725Hb40$7.44
44Lenovo D25270FT040$7.44
45Acer UT272Umost efficient40$7.47
46AOpen 27UT2Umost efficient40$7.47
47ASUS PA278QVmost efficient40$7.48
48DELL S2725HSMt40$7.48
49ASUS VA27D40$7.49
50V7 L270V1-N40$7.49

Other size facets

Questions, answered with the data

How much does it cost to run 27-inch computer monitors?
Among 488 certified models in this data, 27-inch computer monitors cost $5.52 to $24 a year to run at the U.S. average electricity rate (18.8¢/kWh) — a median of $10.
Do 27-inch computer monitors cost more or less than the average computer monitor?
The median model here runs $10 a year, 19% more than the $8.49 median across all certified computer monitors.
What's the cheapest model among 27-inch computer monitors?
The PHILIPS 27B2G5200 costs about $5.52 a year at the U.S. average rate (29 kWh/yr) — the lowest certified figure in this group.
What does the certified annual-kWh figure assume for computer monitors?
The certified annual kWh (TEC) assumes the monitor is on 35% of the day and asleep the other 65%, per the ENERGY STAR test basis.

Keep digging