On 8/14 a service call was made to perform a Service inspection. Cannot read Tech Name. Evap Coil and Blower wheel dirty has high temp split due to E coil dirty. 78df eat 48df lat. Cannot read pressures. My Mother was upset by techs warnings of high bills and dirty condition of Coil and Blower. (At $50 per month X 50% = $25 her power bill due to loss of efficiency is a ludicrous claim). He offered an approx $400 service to clean coil and brush blower wheel. I am a Mech Eng working in HVAC for 39 years. I called a separate firm. Evap was not dirty, blower was not dirty. Temps were 18 dF delta (78 EAT, 60 LAT) perfect. Pressures were 250/60... Perfect. CU amped out perfect. With a split DX unit at 20 to 25 years of age it has exceeded its normal life expectancy of 15 years. A 20 year old coil will be dirtier than a new coil. With her having a contract with you for over 15 years, I would expect you to have performed maintenance to avoid your claims. I feel the Tech left a bogus report to disallow any unit replacement due based on owner neglect since she refused cleaning.in addition the findings were found to be in error by a independent service agency. Your Tech left my 82 year old Mother emotionally distraught thinking if she did not spend $400 her unit was going to fail. If she choices to continue warranty service with your firm, please do not send out the Tech that came last month again.
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