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Question DetailsAsked on 8/26/2017

Cost to replace the variable speed motor and module in a Trane 3.5 ton Package Heat Pump 4WCC304A1000A Glendale AZ

Unit was purchased 9/1/2009 by previous homeowners without the installing companies insurance and only 10 year warranty on compressor everything else was 5 years. As I stated it is a 3.5 ton Package Heat Pump and the variable speed motor and module went out. I am in Glendale, AZ

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Here is a prior similar question with answer, though for a furnace - but the general components are similar to your heat pump, though heat pump components and repairs tend to be more expensive for similar components.

Generally, not knowing the specific parts for your your unit, the motor runs about $600-800, and the motor module about $350-450 - about $800-1000 for the two as one unit. There is also commonly a motor protection board for about $100 - these are retail prices, so chargeout rate from repair firm can be expected to be 0-25% more than that in most cases. Because of the component costs (those are OEM costs - after market 25-50% cheaper if you are willing to risk shorter component life), it is important that the tech determine WHICH element is shot - commonly is only one of the three, or even a sensor going bad and the motor and module are actually OK - so it is important to get a firm that can actually diagnose the equipment and not just replace parts one after another till it works. So I would recommend the typically 10-15% higher cost for a Trane authorized repair firm may well more than pay off in not replacing parts needlessly.

The repair itself will commonly be 1-2 manhours of labor, so about $150-300 range except in a very high laobr cost urban areas - maybe $75-150 more if it gets into a situation where the master board is sending incompatible signals because of sensor or board or thermostat issues - tracking operational problems down (where it runs but just not right) can be a time-consuming operation.

Answered 3 years ago by LCD

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