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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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Brittany Grote
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"As always, Hartman Bros does service RIGHT! They are prompt, courteous, professional, clean and fairly priced for all services we've ever had completed. We were introduced to them in 1998 when we first used their services and have been faithfully returning for every Heating and Air need, including the building of 2 new homes. They are stellar performers providing excellence at a time when mediocrity has been touted as the norm in our society. They go well above and beyond in all they do."

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Donald S.
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"Hartman Brothers service technician was very professional and did an excellent job! I trust Hartman Brothers with my heating and air conditioning needs!"

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"It was good to see Ked again. I have had confidence in him when he did maintenance work on my system in the past and I continue to today. Thanks, Ked!"

Paul N.
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"Technician (Jim) performed biannual maintenance. Very thorough. Answered questions, explained how to utilize controls to optimize performance. Can’t imagine a better experience."

Joseph Muhler, II
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"We were so impressed with our repairman! He explained everything very thoroughly of what repairs he needed to make to help our furnace to run more efficient. Also, when we called for a repairman, he was at our house within 30 minutes! WOW!"

Jeffrey M.
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