Zebulon NC Heating & Air Conditioning Services

-Performed CMA Filter Change at 4 back of house locations, 1 DOAS System, and rooftop gas packs per maintenance agreement.

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-Performed CMA Full Service on 16 Split System Heat Pumps. Verified operation of oven hood exhaust fan and make up air. Multiple repairs or recommendations for replacement of systems were made at last service in October 2023. Updated estimates provided. -System 2: Old style thermostat in place in hallway but no longer in use. -System 5: Outdoor fan motor capacitor tested weak and was recommended for replacement at last service. Provided updated estimate $217.59. -System 6: Outdoor fan motor capacitor & compressor capacitor tested weak and were recommended for replacement at last service. Provided updated estimate $322.61. -System 8: Outdoor fan motor capacitor tested weak and was recommended for replacement at last service. Provided updated estimate $213.00 -System 9: Air handler blower motor capacitor tested weak and was recommended for replacement at last service. Provided updated estimate $217.59. -System 10: Air handler blower motor capacitor tested weak and was recommended f

Tech replaced and tested heat strip contactor and found heat strips working properly. Heat strips set off fire alarm and tech explained this was due to dust buildup on the heating elements from heat strips not running and assured no cause for concern.

Tech washed and serviced unit

Tech found no difficulties at this time. Homeowner extended Psa. Tech recommended plasma air.

Tech found thermostat constantly restarting and throwing insufficient voltage error. Heat strip contactor was shorted causing a voltage drop. Tech was told by Jeff to email estimate in order to get approval. Tech also found thermostat set to emergency heat. Tech removed the common wire from the limit switch connected to the contactor to allow system to run temporarily.

Tech performed ESA wanded coils no leaks at this time. Tech found dark pitted contactor tech suggested replacing sent estimate. Dropped off 20x30x1 filter.

Performed CMA inspection on 4 rooftop gas package systems, 2 make up air systems, and 1 DOAS system. Verified operation of exhaust fans. -RTU-2: During test cycle, compressor for circuit 1 does not operate. Unit transfers to compressor for circuit 2 at both stages of cooling test. Circuit 1 void of refrigerant. Recommend high level leak search. Provided estimate $385.63. -RTU-3: Gas heat cycled and immediately went off. Cleaned flame sensor and verified operation of heat. -Systems operating correctly at this time. Leak search needs to be performed on Gas Pack 2 circuit 1 (upon approval). Changed air filters at back of house location and left one case per agreement.

-Performed CMA inspection on 7 split systems. -Split System 1: System recommended for replacement at previous service. System ~18 yr old. Uses R22 refrigerant. Compressor megged as bad with windings shorting. Observed pitting and signs of heat damage on compressor contactor. Recommend replacing. Provided estimate $252.55. Outdoor fan motor capacitor tested as weak. Provided estimate for capacitor at last visit. New estimate price $198.14. -Split System 2: Observed pitting on compressor contactor. Recommend replacing. Provided estimate $252.55. Replace battery warning on thermostat. Estimate provided at last visit. Provided updated estimate $29.40. Condenser ~18 yr old, AH~3 yr old. No heat strips installed in system. Uses R22 refrigerant. Due to age and type of condenser, customer should consider replacement of condenser. -Split System 3: System recommended for replacement at previous service. System ~18 yr old. Uses R22 refrigerant. Compressor megged as bad and compressor shorted

Tech preformed CMA FILTER CHANGE on 4 Gas Pack systems, 1 DOAS system, 1 MPU system, and 1 Air Makeup unit. Tech replaced all filters and washed and cleaned all washable filters.Tech has attached Filter Change reports to invoice along with pictures.

-Performed CMA inspection on 16 split systems. Verified operation of oven hood exhaust fan and make up air. -System 2: Old style thermostat in place. Provided estimate for replacement if requested $652.31. -System 5: Outdoor fan motor capacitor tested weak. Provided estimate for replacement of capacitor $202.56. -System 6: Outdoor fan motor capacitor & compressor capacitor tested weak. Recommend replacement of dual run capacitor. Provided estimate $322.61. -System 8: Outdoor fan motor capacitor tested weak. Provided estimate for replacement of capacitor $198.14. Air handler blower motor capacitor tested weak. Provided estimate for replacement of capacitor $206.68. -System 9: Air handler blower motor capacitor tested weak. Provided estimate for replacement of capacitor $202.56. -System 10: Air handler blower motor capacitor tested weak. Provided estimate for replacement of capacitor $198.14. Compressor megged bad. Windings shorting and compressor is due for failure. System is R22,

Tech washed and serviced unit and found no challenges at this time. Customer extended esa via check 265.81 check number 5971 until is running and cooling with a delta t of 20 return temp 77 and a supply temp of 57. Have next tech in the area drop off 2 14x20x1 filters.

Tech washed and serviced unit at this time and found no challenges at this time. Tech recommended adding plasma air customer is very interested but would like to wait until next visit. Unit is running and cooling with a delta t of 20, return temp 72 and a supply of 52.

Upon arrival tech found supply run dripping water heavily off bottom side in kitchen area. Tech inspected rooftop package unit for kitchen area found no issues, return and supply line are dry. System is draining properly. Tech pulled whole drain pan and inspected for any cracks or leaks and found no challenges. Tech taped ripped area on insulation where water was leaking from. Tech stated to call if leak continues. May be possible roof leak.

Tech found dead dual run capacitor, replaced with turbo after approval let system run for 15 min with no issues system operating within specs 18 delta t.

Tech performed CMA full service on 4 Package Units, 3 Captive Air’s, and 6 exhaust fans. Tech found and cleared a blocked drain line on captive air 2 allowing the pan float switch to close and the condensing towers to run. Tech has attached system performance reports and pictures to this invoice.

Tech arrived and found systems 10&11 were operational, tech cut systems down to check delta t and found both to have good delta ts, tech found system 8 thermostat blank, tech found door to air handler had came off and door sensor killed power to unit, tech put door on and cut system on, tech has good delta t on system 8. Tech spoke with the office regarding systems 2&3, office stated we would have to return to make repairs found on 7/5/23 due to tech not having proper equipment.

Unit #4-Kitchen

Systems 2 and 3 which were recently put in have drain issues Unit 2 is not level Unit 2 and 3 primary drains lay flay on joists and turn and remain flat Recommend adding a condensate pump for each unit should resolve the lack of slope Also both units need a filter cut in at the airhandler fresh air intakes are making coils dirty very quickly TEM4A0C43M41SB and TEM4A0C43M41SB both need to be reworked to ensure smooth operation

Found system cooling upon arrival, dehumidification system needed adjustment at the thermostat and at the unit. Tech found the reversing valve enabled the whole time even after adjustments. Straight ac system uses hot gas to dehumidify at the unit which runs to another coil that sits in front of the Evaporator coil which gets warm to dehumidify. Tech unplugged the reversing valve and enabled dehumidification at the thermostat set to 50%. Delta improved and thermostat temperature went down from 85 to 76 throughout today’s visit.

Drain was stopped up. Tech cleaned drain and reset system Covered under service warranty

Tech found 2 split systems were at the home 1 cooled the left side of house master bedroom bath and half the living room the other was for the right side of home. Both ah are in Crawspace both condensers are behind home. One tech engaged master bed room unit s#2750 the condenser fan motor was making loud squeaking noise indicating bearing are starting to fail. Will cause future issues tech also found pressure at 51/129 for r22 system with a delta t of 7 indicating low on refrigerant tech recommends a leak search. Due to age and type of refrigerant tech recommended replacing unit. Master bedroom ah s#6977 did have signs of mold and coil was extremely rusty could have possible leak in coil. Blower motor amp was with specs and capacitor was also within specs. Unit 2 s#2748 tech found outdoor fan motor was making a loud squeaking noise indicating bearings are starting to fail will cause future issue and pressure were at 43/140 induction of low on refrigerant r22 leak is present tech recom

Unit #2

Unit #3