| 2024-01-08 |  The Deep Side of Berlin 18 @ City Noises @ 2023-12-14 | 18 | Techno (Raw / Deep / Hypnotic) | Efren Kairos - Redemption (Original Mix)6:01 | |
| 2023-10-16 |  Mariposa @ TechnopoliS Music @ 2023-10-13 | 1 | Afro House | Efren Kairos, Djomby - Mariposa (Original Mix)7:00 | |
| 2023-10-16 | Mariposa @ TechnopoliS Music @ 2023-10-13 | 2 | Afro House | Efren Kairos, Djomby - Mariposa (Radio Edit)3:12 | |
| 2022-12-02 |  LUV @ TechnopoliS Music @ 2022-12-02 | 1 | Melodic House & Techno | Efren Kairos, Djomby - LUV (Original Mix)6:21 | |
| 2021-05-24 |  Essences @ EK Beats Limited @ 2021-05-21 | 1 | Techno (Raw / Deep / Hypnotic) | Efren Kairos - Redemption (Original Mix)6:01 | |
| 2021-05-24 | Essences @ EK Beats Limited @ 2021-05-21 | 2 | Techno (Peak Time / Driving) | Efren Kairos - Trascendental (Original Mix)5:20 | |
| 2021-05-24 | Essences @ EK Beats Limited @ 2021-05-21 | 3 | Techno (Peak Time / Driving) | Efren Kairos - Essential (Original Mix)4:36 | |
| 2020-07-17 |  Daniel Aguilar (Es) And Friends @ Be One Records @ 2020-07-17 | 2 | Tech House | Efren Kairos, Daniel Aguilar (ES) - Chesters (Original Mix)6:17 | |
| 2018-01-14 |  Fallen Tree EP @ LR Recordings @ 2018-01-15 | 1 | Techno (Peak Time / Driving) | Efren Kairos - Fallen Tree (Original Mix)5:29 | |
| 2018-01-14 | Fallen Tree EP @ LR Recordings @ 2018-01-15 | 2 | Techno (Peak Time / Driving) | Efren Kairos - Prism (Original Mix)7:33 | |
| 2017-12-27 |  Anniversary Compilation, Vol. 1 @ LR Recordings @ 2017-12-27 | 14 | Techno (Peak Time / Driving) | Efren Kairos - Two Stories (Original Mix)6:26 | |
| 2017-09-12 |  Two Stories @ LR Recordings @ 2017-09-12 | 1 | Techno (Peak Time / Driving) | Efren Kairos - Two Stories (Original Mix)6:26 | |
| 2017-09-12 | Two Stories @ LR Recordings @ 2017-09-12 | 2 | Techno (Peak Time / Driving) | Efren Kairos - Two Stories (Lluis Ribalta Remix)8:03 | |
| 2017-05-11 |  Asphixia Records Best Tracks, Vol. 1 @ Asphixia Records @ 2017-04-27 | 20 | Techno (Peak Time / Driving) | Efren Kairos, Rabent, Carlos Diaz - Avenero (Original Mix)6:43 | |
| 2017-04-04 |  Stick Miami 2017 @ Stickrecordings @ 2017-03-21 | 12 | Techno (Peak Time / Driving) | Efren Kairos, Eber - Sunny Monday (Original Stick)5:37 | |
| 2016-12-14 |  Only One Chance EP @ Advanced (White) @ 2016-12-26 | 1 | Techno (Peak Time / Driving) | Lucas Freire, Efren Kairos - Only One Chance (Original Mix)5:26 | |
| 2016-12-14 | Only One Chance EP @ Advanced (White) @ 2016-12-26 | 2 | Techno (Peak Time / Driving) | Lucas Freire, Efren Kairos - Square Heads (Original Mix)5:39 | |
| 2016-12-14 | Only One Chance EP @ Advanced (White) @ 2016-12-26 | 3 | Techno (Peak Time / Driving) | Lucas Freire, Efren Kairos - Square Heads (Irregular Synth Remix)6:50 | |
| 2016-12-14 | Only One Chance EP @ Advanced (White) @ 2016-12-26 | 4 | Techno (Peak Time / Driving) | Lucas Freire, Efren Kairos - Square Heads (Highestpoint Remix)7:03 | |
| 2016-12-05 |  Outside @ Two Mountains Music @ 2016-11-21 | 1 | Techno (Peak Time / Driving) | Efren Kairos - Outside (Original Mix)5:35 | |
| 2016-12-05 | Outside @ Two Mountains Music @ 2016-11-21 | 2 | Techno (Peak Time / Driving) | Efren Kairos - Outside (Adrian Oblanca Remix)6:12 | |
| 2016-08-31 |  America United @ Club Life (DMG) @ 2016-08-31 | 7 | House | Efren Kairos - I'm In Your Mind (Original Mix)5:14 | |
| 2016-02-09 |  Aitor Ronda & Friends, Vol. 3 @ Drakos Recordings @ 2016-01-11 | 7 | Techno (Peak Time / Driving) | Efren Kairos, Aitor Ronda - Hurakan (Original Mix)6:51 | |
| 2016-01-25 |  Barcelona Local Sound, Vol. 1 @ Asphixia Records @ 2016-01-11 | 9 | Techno (Peak Time / Driving) | Efren Kairos - Lost In The Village (Original Mix)6:27 | |
| 2015-09-07 |  Your World @ Safir Muzik @ 2015-09-07 | 1 | Tech House | Efren Kairos - Your World (Original Mix)6:06 | |
| 2015-09-07 | Your World @ Safir Muzik @ 2015-09-07 | 2 | Tech House | Efren Kairos - Your World (Mario Otero Remix)7:25 | |