Duluth Heating and Air

Removed old equipment and installed new Rheem 4 ton full gas system. Installed new return plenum with 20x25x4 filter, new emergency drain pan, new pan safety switch, new coil safety switch, new thermostat and new composite pad for outdoor unit. Reconnected supply plenum, high voltage, low voltage, drain line, gas line, vent pipe and all return ducts. Tested system operations in heating and cooling, set proper refrigerant charge.

Today arrived to Mr Hawkins property to perform a service call on 1 unit that wasn’t working. I installed new thermostat because the other thermostat wouldn’t power on. I also explained to Mr Hawkins his outside unit wasn’t functioning because bad capacitor. I installed new capacitor on Weinstein House unit and unit was functioning properly again. I set up for a comfort advisor to come Monday 6/02/2025 between 1 and 2pm. He also will like information about surge protector as well.

Arrived to hearing a noise coming from above storage unit C74. Inspected where noise was coming from and found leak on water sprinklers pipe used soap bubbles to confirm leak. Checked for water didn’t see any in storage unit. Video attached.

Returned today to install low profile condensate pump & install SS2 on unit #5 on building C then continue diagnostic and also replace 1 pole contactor & 40/5 capacitor on unit #2 on building D.Upon arrival customer showed water stain in main office bathroom ceiling within further inspection determined it was a plumbing issue explained findings and showed pictures and videos along with uploaded pictures to file.Next went to building D removing original 1 pole contactor & 40/5 capacitor then installed new parts then tested equipment confirming its functionality.Lastly went to building C and installed low profile condensate pump along with built drain line then tested condensate pump confirming its ability to operate along with installed SS2 then wired then tested drain pan safety and evaporator coil safety confirming its operation.Once parts were installed continued diagnostic determining the transformer along with fan control board has malfunctioned a quote to replace malfunctioning pa

DCM1: AC complete, replaced 16x25x4 filter. System is fully functional and operating within manufacturer specifications at this time. Refrigerant pressures and temperatures are appropriate for indoor and outdoor weather conditions. Unable to clean outdoor coils due to home not having water, spoke with homeowner and he requested we clean coils on next visit.

Performed a 13 system cooling maintenance the ODT is 77° upon arrival tested operation of equipment finding two systems not functioning one was due to thermostat batteries corroding terminals which caused malfunction to the thermostat which was replaced with T6 pro.Also on the same system found low voltage short caused by 1 pole contactor reading 0.6 ohms it’s required to be at 16-18 ohms a quote has been provided for 1 pole contactor. The next system was not functioning due to SS1/SS2 tripped within further diagnostic determined it’s because system needed repairs that wasn’t approved previously re-quoted low profile condensate pump along with new SS1 safety will need to resolve these issues to further diagnostic.Once finished determining why two systems were non-operational began evaluation on the indoor equipment there are 8…16x20x1, 3…20x20x1, 2…18x20x1 which were gently used each filter was replaced on this visit.Blower motor was fully operational not showing any signs of being int

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Unit #5 in C bldg. disconnected was pulled (no power) and unit has no condensation drain or condensation pump. Needs to be addressed. Performed heat maintenance, replaced filters, operation is correct at this time.

Removed old air handlers for units 3 and 4. Installed new rheem 2 ton air handlers for units 3 and 4.

Main Office Cooling Unit Above the Ceiling: Installed in 2019 (5 years old) Replace Trane air handler indoor cooling coil (evaporator) due to refrigerant leak in cooling coil causing a loss of refrigerant and cooling ability. Part is under warranty till September 30, 2024 (Labor is not Covered) New part (coil) warranty will only be for the remaining days left on the original warranty of September 30, 2024 (25 days at time of proposal) with a 1 year labor warranty (Replacing the air handler with Trane is highly recommended as it will have a 5 year part warranty with 1 year labor) Pumped system down to secure all refrigerant before initiating evaporator change out. Cut the old evaporator and filter drier out. Brazed new filter drier on liquid line and pulled a vacuum down to 179 microns. Added 2 pound of R410 refrigerant and tested system everything is fully functional and operating within manufacturer specifications. (Photos attached)