Checked burnham hot water boiler age over twenty years diagnosed the thermostat is defective and needs to be replaced homeowner said he will replace the thermostat also the burners need to be cleaned and replace the thermocouple checked heat pump for the first floor and diagnosed the thermostat was working as programmed to cut out on the outdoor temperature View visual findings from this job here - https://visionshare.xoi.io/?id=XA-2F41-C8BE145865684D44B8350F0AD4282336