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What a Humming Air Conditioner is Trying to Tell YouNormally, a properly functioning air conditioner makes occasional pops, hisses, rattles, and a quiet hum that shouldn't be a cause for concern. However, if you notice a loud humming or buzzing noise, your unit is probably malfunctioning. Several issues can cause a humming air conditioner. Let's take a closer look at them along with their solutions.

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HVAC system , air conditioner , air conditioning , a/c problems , HVAC problems , HVAC unit , humming

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"All of the Hartman Bros employees are very polite, helpful, efficient and courteous. They always have answers to my questions. Im very happy with Hartman Bros. Caleb did an excellent job, is very polite, efficient and I highly recommend Hartman Bros!!"

— Renee Collins
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"We cant say enough positive things about this company and those who work there. Dalton was my tech he is very thorough with both my heating and air this year !!"

— Rhonda Ludlow
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"Great communication throughout the process. Things were explained to me in terms that I could understand. Very fair and professional. I'd highly recommend Hartman Brothers to anyone!"

— Jared C.
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"My service was outstanding. They arrived within a few hours. The technician was knowledgeable, kind and made me feel better as I was upset and freezing with no heat. They went above my expectations to find my part do it didn't have to be ordered. My Trane furnace is old. Definitely would recommend this company and I will continue to use them in the future for regular maintenance."

— Michelle L.
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"We've had great experiences with the whole team at Hartman Brothers, all the way from planning for our new HVAC system to having the technicians perform regular maintenance."

— Mike B.
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"My experience was excellent. The furnace runs very quietly and before when it would come on and I was sleeping it came on so loud it would wake me up. I'm so pleased with Hartman Brothers."

— Carol Perkins
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"Great group of very intelligent people working for Hartman. They all do a wonderful job keeping everything running. Thank you"

— Nancy S.
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