★ ★ ★ ★ ★
"Caleb performed an excellent job in servicing our furnace. He explained all that was done and asked me if there were any questions. He was thorough in his explanation, there were none. He was respectful and kind to my service dog."
— Frank C.
(Google Review)
★ ★ ★ ★ ★
"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
(Google Review)
★ ★ ★ ★ ★
"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
(Google Review)
★ ★ ★ ★ ★
"The staff is wonderful and the technicians are "top notch" at Hartman Brothers! I have used this company for the past 25+ years for all my regular maintenance checkups and repairs. I have never been disappointed with the quality of work by the Hartman Brothers service technicians. My most recent service tech was "Josh." Josh was very courteous and professional. I will continue to use Hartman Brothers for all my HVAC needs for years to come!"
— Catherine D.
(Google Review)
★ ★ ★ ★ ★
"Hartman Brothers responded within hours of our furnace going out and gave us several options. They are always courteous and knowledgeable. We have done business with them for 20+ years."
— Mindy Meyer
(Google Review)
★ ★ ★ ★ ★
"Caleb went above and beyond in listening to our problem and delivering exceptional service. He was meticulous in his work and extremely thorough. Based on first impressions, we believe Hartman Brothers will be our HVAC provider moving forward."
— Gary S.
(Google Review)
★ ★ ★ ★ ★
"Our Sunday started with the air-conditioner not cooling our home. Monday same thing but not sure if it just couldnt keep up with the high temps. Tuesday decided to call Hartmans heating & Air Conditioning Very. Busy but said they would send a tec out on Thursday. Tec came we talked and he went to work to find the problem, We need a new start up switch , it was installed and after all his checking he gave us a smile and said we are back with the air conditioning working,, We have been with Hartmans for many years and are always so grateful, thankful for their help. Give them a calll."
— Randy L.
(Google Review)
★ ★ ★ ★ ★
"They are always fast and efficient. Never had to wait long for service. Today Brian did an outstanding job. Diagnosed the problem immediately and had the furnace up and running."
— Joy Miller-Long
(Google Review)
All gas furnaces use a heat exchanger to transfer the heat the gas creates. Normally, heat exchangers sit next to the furnace burners and heat up just like a pan on the stove. These parts, made from metal, absorb heat and the air that the blower sends over it warms. It enters the ductwork and heats your home.
When you turn on your fuel-burning heating system for the fall, you have a reasonable expectation that it will operate safely. However, some unforeseen issues could occur that might make your gas or propane furnace a potentially deadly risk. To prevent this danger, you need a 
Carbon monoxide (CO) is a real threat lurking in your Fort Wayne area home. This colorless, odorless gas is hazardous and potentially lethal to humans and animals. It can be emitted from any combustion appliance in your home, including gas-powered water heaters and furnaces, if they're malfunctioning or not venting properly. It is very important to identify CO leaks quickly and address the situation immediately before it endangers your family. 