After arriving to the home the homeowner expressed that the semi newly installed heat pump water heater is only produce and Luke warm water, and that he is also having a bathroom renovation done in the master bath, after a brief assessment of the water heater followed by locating the whole home shut off valve, treatment system and pressure tank I moved upstairs to the bathroom that is being remodeled where I observed two new delta monitor shower valves that do not yet have the cartridges installed causing the hot and cold water to mix in the home at that point the homeowner made me aware that his contractor and plumber are coming out to finish up the remodel and will install the cartridges at that time