I have been a DIY person all my life but cannot do this one. I received 2 estimates for air conditioning work on McQuay HSE-060AR 6000 cfm chilled water unit unit in one bedroom 750 square feet condo. Does 1500 dollars or 2100 (additional 900 with fan replacement) sound right for such cleaning job? Fan is running but needs cleaning due to dust buildup but 900 bucks seems expensive and if its working why do it. This is in HCOL area Honolulu. One quote was for 10000 to replace this AC with new unit therefore thats out of my range.
1st ESTIMATE $1525
Removal of cooling coil/fan assembly for chemical cleaning and flushing
Replacement of old fiberglass insulation with new Reflectex insulation
Reinstall cooling coil/fan assembly purge cooling coil of air
Replace old wall mount thermostat controller with new Honeywell digital controller
Restart system and confirm proper operation
2nd ESTIMATE $3000
Removing, cleaning and replacing the coil 600.00.
Replacing the insulation with new rebate or Armaflex 1 inch insulation....900.00.
Installing a new digital thermostat 600.00
New motor and fan wheel 900.00
1st ESTIMATE $1525
Removal of cooling coil/fan assembly for chemical cleaning and flushing
Replacement of old fiberglass insulation with new Reflectex insulation
Reinstall cooling coil/fan assembly purge cooling coil of air
Replace old wall mount thermostat controller with new Honeywell digital controller
Restart system and confirm proper operation
2nd ESTIMATE $3000
Removing, cleaning and replacing the coil 600.00.
Replacing the insulation with new rebate or Armaflex 1 inch insulation....900.00.
Installing a new digital thermostat 600.00
New motor and fan wheel 900.00
source https://hvac-talk.com/vbb/threads/2236581-Chilled-water-AC-cleaning-or-replacement-value?goto=newpost
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