Alex came out and completely overhauled our system. He resolved a number of issues caused by the horrible company that originally installed system.
first time using Dobb's , was very pleased - Khalil called right on time and arrrived as scheduled
Arrived to system over cooling Check temperatures in Dining Room, Bed room, Kitchen/Living room. With system off all rooms reporting same temperature as thermostat, thermostat reporting accurate temperature in the conditioned space 75 Degrees. With system running rooms cool quicker than the thermostat is reporting. Bedroom 3 degrees cooler than temperature at thermostat. Dining room 2 degrees cooler than temperatures at thermostat. Kitchen/ Living room 2 degrees cooler than temperature at thermostat. Thermostat 1.5. Caulk thermostat wire penetration in the wall and recalibrated thermostat temperature. Manually offset temperature -2 degrees.
Did spm2 on both units, replaced 20mfd run capacitor on downstairs indoor blower, units operating properly
DCM1: A/C complete, replaced 16x25x1 filter. System is fully functional and operating within manufacturer specifications at this time. Refrigerant pressures and temperatures are appropriate for outdoor and indoor weather conditions. Temp split 18. No SS2 water safety however does have a pan safety.
Quote new furnace and air conditioner
DCM1 service 1 of 2 AC completed changed (1) 16x25x1 filter, tested system operations everything is operating properly at this time attached is Zac maintenance checklist.
DCM2; Heat completed, replaced (1) F14x20x1, (1) F20x20x1, (1) F16x20x1, both units are operating within manufacturer design at this time. Attached is Heat maintenance checklist.
Upon arrival investigated heat strip contactor, pulling in and out, was losing 24V call at contactor, low voltage in unit, discovered a rats nest as culprit, re-wired, stripped back low voltage wires to ensure all contacts were making proper connections. Was not able to replicate issue afterwards. Belt on unit is extremely worn and tattered, need to replace to prevent any airflow issues, will need a A47. Heat strip sequencer in arching, would strongly recommend replacing heat strip to prevent from burning up.
DCM1 service 1 of 2 Heat completed changed (1) 16x25x4 filter, tested system operation’s everything is operating properly at this time attached is Heat maintenance checklist.
Upon arrival no heat, tested system operation’s, switched to heat and compressor would kick on in AC mode. Unit is straight cool and should not run in winter season, Checked thermostat W(heat) wire was not hooked up, hooked up wire, thermostat is for a heat pump application and unit is not a heat pump, heat only works properly when set to emergency heat, tested operation everything is operating properly at this time.
DCM2 service 1 of 2 Heat Changed (2) 16x20x1 filters, performed heating maintenance per checklist, systems are running at this time.