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Question DetailsAsked on 4/2/2020

Are Bosch residential HVAC units more susceptible to power fluctuations?

I got an estimate from a Bosch installer in Western North Carolina and they told me Duke energy has power fluctuations that range from 240 to 260 volts. He said it will damage sensitive Bosch control boards and sensors and he has to replace quite a few under warranty. They started installing buck step down transformers and surge protectors with Bosch installs and haven't had any more problems, his words. The quote he gave me doesn't show how much they are charging me for this, which falls inline with the nebulous flat rate estimates HVAC vendors typically give. Does this power fluctuation thing sound like bull squeeze or legitimate? How much "should" I expect to pay for something like that?

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