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Troubleshooting Tips for a Malfunctioning Programmable ThermostatSummer is poised to take over in Indiana before you know it, with hot temperatures and high humidity for days and weeks at a time. If you haven't already done it, now's a good time to check your air conditioning system to make sure it's working properly. If you're not getting the air conditioning performance you would like, the problem may be in your programmable thermostat. Fortunately, troubleshooting a programmable thermostat is a fairly easy process.

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New Haven , air conditioner , programmable thermostat , indiana , air conditioning , thermostat , thermostat's batteries , bad fuse , new thermostat , heating and air conditioning

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"I had an excellent experience with Hartman Brothers from start to finish. After dealing with an incomplete and frustrating repair from Peterman Brothers, Hartman Brothers was a breath of fresh air. Their technician spent several hours thoroughly troubleshooting my tankless water heater, walking through the issues clearly and professionally. There was no upselling, no pressure, and no shortcuts—just honest, methodical work. Based on their findings, I chose to upgrade to a new tankless water heater, and the decision was entirely mine. At no point did they try to push a sale or steer me toward anything unnecessary. The installation was clean, the communication was excellent, and the entire process felt transparent and trustworthy. It’s clear why they have such a strong reputation in the Fort Wayne area. Their professionalism, responsiveness, and genuine customer‑first approach really stand out. I’m very happy with the new system and with the service I received. "

Cory T.
(Google Review)

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"The folks that work for Hartman are always the best! Very pleasant, respectful and very knowledgeable! Great experience with whoever comes!!!"

Mary L
(Google Review)

★ ★ ★ ★ ★

"Caleb was very courteous and professional! The routine maintenance for the furnace went very smoothly as did the one in spring for the A/C."

Jerry R.
(Google Review)

★ ★ ★ ★ ★

"Caleb was very professional in how he handled the service. I like how messages were sent updating the arrival time."

Lane
(Google Review)

★ ★ ★ ★ ★

"They always let me know when they are on the way and were on time - actually early! Always friendly and professional."

Joan G.
(Google Review)

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"Furnace wasn’t working on Friday morning after thanksgiving. Called Hartman Brothers. They were able to get here in the early afternoon. They diagnosed the problem and got it fixed quickly. Communication was excellent. Price was more than I expected, but understand that parts for 20+ year old furnace are not inexpensive."

Brad S.
(Google Review)

★ ★ ★ ★ ★

"They worked me in early. Inspected and found the problem quickly. Explain the issues thoroughly and did not attempt to see me parts and services I did not need. They got the heat going temporarily and hope to have needed parts in a couple days."

Todd Hammond
(Google Review)

★ ★ ★ ★ ★

"Josh was very courteous and professional. He took the time to explain to me and show me what was going on inside the furnace. I felt really bad that we needed to call him out on a Sunday but with the inside of the furnace iced up our air just wasnt working and he got us up and running in no time"

Dorothy Poling
(Google Review)

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