Can an ASHP have higher MBH at 40F than 47F

While graphing the MBH of our York heatpump, I noted the table suggests a higher MHB and COP at 40F than 47F.Is this possible?  I looked at the specs for… While graphing the MBH of our York heatpump, I noted the table suggests a higher MHB and COP at 40F than 47F.Is this possible?  I looked at the specs for…Read MoreGreenBuildingAdvisor