QwikSEER White Paper

Copyright © Mainstream Engineering Corporation, Rockledge, FL Page 7
and potentially lower the reliability. QwikSEER+ can be installed in an existing system with a
PSC motor and analog thermostat to enhance efficiency and humidity removal. QwikSEER+
along with a PSC motor can also be installed in any system with a failed ECM or X-13 motor
that uses an analog thermostat.
Figure 1. Percentage improvement in EER with QwikSEER+ control board (using 14 SEER
Straight Cool and 14 SEER combined AC–furnace, return air: 80 °F, 51% RH)
Figure 2. Increase in humidity removal (using 14 SEER combined AC–furnace, return air: 80 °F,
51% RH)