★ ★ ★ ★ ★
"Woke to no heat this morning. Hartman came out and made a quick job of fixing it. Superb customer service!"
— Diane D.W
(Google Review)
★ ★ ★ ★ ★
"Very thorough with my furnace and very knowledgeable."
— Ruth P.
(Google Review)
★ ★ ★ ★ ★
"On Saturday, my water heater spewed lots of water in the utility portion of my garage. Unfortunately, my furnace was soaked. After my call to Hartman Bros., Darian arrived within the hour and dried out the furnace and re-started it. Hartman Bros. has been servicing my heating and cooling systems for over 30 years and have always been "johnny-on-the-spot" when I have had problems. I highly recommend them."
— Nancee L.
(Google Review)
★ ★ ★ ★ ★
"Great Job as always professional, and great customer service"
— Kathy K.
(Google Review)
★ ★ ★ ★ ★
"Thank you for fixing my furnace tonight!! It's cold and will be colder tomorrow night... I knew I made the right decision having you install my furnace and air conditioning. You are awesome!! I love my generator that you installed as well!"
— Cheryl Kensill
(Facebook Review)
★ ★ ★ ★ ★
"I am a satisfied customer. I have been for over 50 years"
— Kenneth K.
(Google Review)
★ ★ ★ ★ ★
"Great service, as usual. Ked was prompt and he is very experienced and knowledgeable."
— Gene F.
(Google Review)
★ ★ ★ ★ ★
"Hartmans installed my HVAC and ducts about 5 yrs ago and I've done the maintenance agreement every year. Every tech that has come out has been informational, professional, and thorough."
— Terina C.
(Google Review)
Normally, 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.
