Fluid flow rate in my ASHP running in cooling mode Reduced the fluid flow rate in my ASHP running in cooling mode, for a healthier flow/return differential temperature. Seems to have worked, obvious COP increase is visible clearly: View on X → Share this: Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Share on Reddit (Opens in new window) Reddit Share on Facebook (Opens in new window) Facebook More Share on WhatsApp (Opens in new window) WhatsApp Share on Telegram (Opens in new window) Telegram Share on X (Opens in new window) X By Martin | August 29, 2023 | X post | ← Heat pump’s been battling outdoor temps up to 32-36°C Inverter and battery firmware update time →