The Human Diagnostic

Dave Hartzell's Heat & Air - Kingfisher,OK
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Looking for honest stories about people, not product reviews? You're in the right place.The Human Diagnostic isn't a how-to HVAC podcast. It's what a 45-year Master Technician notices about people after 90,000 service calls across gas plants, oil rigs, hospital preservation systems, high-rises, feedlots, walk-in freezers, and residential homes all over Central Oklahoma.Hosted by Dave Hartzell, each episode tells a real story from a real service call. Sometimes he's driving to the job and predicting what he's about to walk into. Sometimes he just left and he's still working through what he saw. Either way, the story turns out to be about more than HVAC.Topics you'll hear across the season:✅ The customer nobody wanted to take, and what changed when someone finally did✅ Why the person researching their broken AC at midnight isn't being difficult, they're scared✅ What 45 years of walk-ins, weddings, funerals, and broken water heaters teaches you about anxiety✅ The tech who can fix anything but can't explain it, and why the customer doesn't trust him✅ The review you can't place, the moment you never forget, the call that changed how you work✅ What gets lost when we treat people like tickets, and what gets found when we don'tWhether you fix things for a living, manage people who do, or just like good stories from someone who has been everywhere and met everybody, The Human Diagnostic gives you the part of the job that never shows up in an invoice.📍 Proudly based in Kingfisher and serving Edmond, Guthrie, Yukon, Mustang, Piedmont, Logan County, Canadian County, Blaine County, Major County, Garfield County, and the greater Oklahoma City metro area. Hartzell's Heat & Air blends old-school integrity with cutting-edge technology, from digital diagnostics to smart-home HVAC integrations.Connect with Hartzell's Heat & Air:📲 Facebook: facebook.com/hartzellsheatair🐦 X (Twitter): x.com/HartzellsHVAC▶️ YouTube: youtube.com/@hartzellsheatair6003💼 LinkedIn: linkedin.com/in/dave-hartzell-7a687515📧 Contact Us: office@hartzellsheatair.comEvery call is a story. Every story is a person.🔔 Subscribe to The Human Diagnostic and ride along.📞 Need HVAC help in Central Oklahoma? Call (405) 375-4822🌐 hartzellsheatair.com

  1. 3h ago

    Same House, Same Heat Pump, Two Very Different Nervous Systems

    The blower was making a sound like a playing card in bicycle spokes, and the woman in her kitchen had one hand flat against her chest. It was the first week of August, ninety-nine degrees by two in the afternoon. A brick ranch on the edge of a small Oklahoma town, the kind with a carport and a good pecan tree. The house had been climbing since morning. It was eighty-three inside when I got there. The homeowner had called early, and I was three calls behind by the time I pulled in. I will be honest about that, because it matters. I was hot, I was running late, and I walked through her door already talking. I said something like, "Probably the capacitor, those go all the time. Let me get on the roof." I was looking at my phone while I said it. She asked, "Is that noise bad?" I said, "Eh, it's just making noise." I meant it as comfort. It did not land as comfort. Her face changed. She started telling me everything the house had done for two days. A click around four in the morning. A smell for about a minute on Tuesday. The vent in the hall that felt weaker than the others. She had noticed all of it, and she had been carrying all of it. I stopped. It was not wisdom. I just realized I was standing in the middle of her kitchen, sweating on her floor, and she was reading every inch of me. So I set my bag down. I said, "Let me tell you what I'm going to do, in order. First I'm going to look at the outdoor unit and test one part. Then I'm going to listen to that blower up close. Whatever I find, I will come tell you what it is, and what it will cost, before I touch anything else." Her shoulders came down about two inches. She went and got me a glass of water. It was the same sound, the same house, and the same tech. The only thing that changed was how I walked in. Core line: "The second piece of obvious advice is to toughen up the customer, or to treat them as a problem to get through." Give Us A Shout Thanks for tuning in to Hartzell's Heat & Air, HVAC in Kingfisher and central Oklahoma. From Kingfisher to coast-to-coast consulting, we design, install, and maintain smart, efficient systems that deliver year-round comfort. We're family-run and powered by 47 years of experience. Whether it's AI-powered thermostats, geothermal systems, or classic tune-ups, we deliver upfront pricing, expert care, and warranties that back it all up. 🛠️ Book Online: https://book.housecallpro.com/book/Hartzells-Heat--Air/4a569038b3dc460daf2d5f6497b18351?v2=true 🌐 www.hartzellsheatair.com 📞 (405) 375-4822 🚛 Trane Comfort Specialist • Mitsubishi Diamond Dealer • ClimateMaster Elite 🛡️ VIP Comfort Club • Remote Monitoring • Extended Warranties 📲 Follow us for tips, updates, and real-world installs: YouTube: @hartzellsheatair6003 X: https://x.com/HartzellsHVAC Facebook: facebook.com/hartzellsheatair LinkedIn: Dave Hartzell Built on trust. Backed by warranty. Designed for comfort.

  2. 9h ago

    The Repair That Was Really About Her Sensitive Ears

    She stood at the edge of the patio with her arms crossed and said, "There. Do you hear that?" and I did not. It was the first hot week of June, the kind where the outdoor units across town all kick on at once. The house was a tidy brick ranch on the edge of a small Oklahoma town, with a unit about twenty feet from the bedroom window. The customer was a retired schoolteacher who kept the place the way she kept her classroom. Everything had a spot. Nothing had failed. The system cooled the house. The thermostat held its number. She called because of the sound. She told me it hummed. She said it clicked on and off all day and that the cycle was like a hand on her shoulder every twenty minutes. She said she had not slept right in a month. She had already had a company out once, and they told her it was running fine. That answer had not helped her. It had made her feel like the problem was her. I stood there with her and listened. I have been doing this for 47 years, and my ears are not what they were at 20, but I know what a sick condenser sounds like. This one was not sick. The compressor was steady and the fan was balanced. There was a faint low drone, the sound every healthy unit makes. She heard something I had to work to find. I checked the things I can check. I put my hand on the cabinet and felt for vibration. I looked at the pad and the line set where it entered the wall. I found one panel screw a little loose and one place where the copper was close enough to the siding to buzz a little on startup. I fixed both. I told her honestly that the unit was healthy. She nodded politely, and I could tell it had not landed. I drove home thinking about her. She was not wrong about what she heard. I was not wrong about what I measured. Both were true, and that was the part that bothered me. Core line: "If the sound is worth more attention I talk through options like a sound blanket or moving the thermostat setback so the cycles bunch up differently." Give Us A Shout Thanks for tuning in to Hartzell's Heat & Air, HVAC in Kingfisher and central Oklahoma. From Kingfisher to coast-to-coast consulting, we design, install, and maintain smart, efficient systems that deliver year-round comfort. We're family-run and powered by 47 years of experience. Whether it's AI-powered thermostats, geothermal systems, or classic tune-ups, we deliver upfront pricing, expert care, and warranties that back it all up. 🛠️ Book Online: https://book.housecallpro.com/book/Hartzells-Heat--Air/4a569038b3dc460daf2d5f6497b18351?v2=true 🌐 www.hartzellsheatair.com 📞 (405) 375-4822 🚛 Trane Comfort Specialist • Mitsubishi Diamond Dealer • ClimateMaster Elite 🛡️ VIP Comfort Club • Remote Monitoring • Extended Warranties 📲 Follow us for tips, updates, and real-world installs: YouTube: @hartzellsheatair6003 X: https://x.com/HartzellsHVAC Facebook: facebook.com/hartzellsheatair LinkedIn: Dave Hartzell Built on trust. Backed by warranty. Designed for comfort.

  3. 12h ago

    The Heat Pump Talk Where Control Mattered More Than Advice

    The man at the kitchen table crossed his arms before I had said a word about replacing anything. It was July, one of those weeks where the afternoon high sits at a hundred and doesn't move. The house was a brick ranch east of Kingfisher, built in the nineties, with a good roof and a yard somebody had cared about for thirty years. His wife was in the back room with a box fan pointed at her chair. The thermostat in the hall read eighty-four and climbing. The outdoor unit had quit. I went out, pulled the cover, and spent about twenty minutes proving what I already suspected. The compressor had locked up. The system was eighteen years old, and it had lived a hard life in a hot state. I walked back in and told him what I found. I said the compressor was done and that we were probably looking at replacement. That was the whole sentence. And I watched his face close like a door. He told me another company had been out the week before. They had told him the same thing, and they had told him the price was only good if he signed that day. He had said no, and he had been stewing about it ever since. Now here I was, a second stranger in his kitchen, saying the same word. So he dug in. He said the unit had been fine until last month. He said maybe it just needed a part. He said he wasn't about to be sold something because a man in a truck said so. Here is the part I'm not proud of. For about two minutes I argued with him. I explained the compressor. I explained the age. I told him, in a perfectly reasonable voice, why he was wrong. Every fact I gave him made his arms tighter. I've been doing this for 47 years, and I still do that sometimes. I mistake being right for being heard. Then I stopped, and I did something different. I'll tell you what, but first I want to tell you about the research, because it explains what happened better than I can. Core line: "Even a good argument, pressed hard, is control, because it tells the person that the decision has already been made for them and they only need to catch up." Give Us A Shout Thanks for tuning in to Hartzell's Heat & Air, HVAC in Kingfisher and central Oklahoma. From Kingfisher to coast-to-coast consulting, we design, install, and maintain smart, efficient systems that deliver year-round comfort. We're family-run and powered by 47 years of experience. Whether it's AI-powered thermostats, geothermal systems, or classic tune-ups, we deliver upfront pricing, expert care, and warranties that back it all up. 🛠️ Book Online: https://book.housecallpro.com/book/Hartzells-Heat--Air/4a569038b3dc460daf2d5f6497b18351?v2=true 🌐 www.hartzellsheatair.com 📞 (405) 375-4822 🚛 Trane Comfort Specialist • Mitsubishi Diamond Dealer • ClimateMaster Elite 🛡️ VIP Comfort Club • Remote Monitoring • Extended Warranties 📲 Follow us for tips, updates, and real-world installs: YouTube: @hartzellsheatair6003 X: https://x.com/HartzellsHVAC Facebook: facebook.com/hartzellsheatair LinkedIn: Dave Hartzell Built on trust. Backed by warranty. Designed for comfort.

  4. 12h ago

    The Generation Gap I Expected at the Heat Pump Never Showed Up

    I was halfway through my speech about the cheap fix when she cut in and asked what the thermostat could do from her phone. It was the first real cold snap of October, the kind where a furnace that has sat quiet since April won't light and the whole county finds out on the same afternoon. A tidy brick ranch outside town, porch light already on at four o'clock. The customer was a woman in her late seventies, and the house wouldn't climb past sixty. The furnace was old. The ignitor was cracked, and the control board had a scorched look I didn't love. It was fixable, with the honest note that the rest of the unit was tired. Here is what I did in my head before I opened my mouth, and I'm not proud of it. I looked at the gray hair, the cardigan, the landline hanging on the kitchen wall, and I wrote the script. Older. Careful with money. Just wants the patch. I had the speech loaded. Nothing fancy, I'll get you through the winter, no need to spend more than you have to. Then she asked about the phone app. She had a tablet sitting on the table. Her husband used to handle the furnace, and she was tired of walking down the hall to check whether the back bedroom was warm. She had already read about the wifi thermostats and wanted to know which ones didn't need an account. Her grandson was standing in the doorway, twenty-something, helping her through the cold snap. He said, "Grandma, just fix it. It's a furnace. It doesn't need an app." He was the one who wanted the cheapest thing. He rents, he figured the smart-home business was mostly a racket, and he'd have been happy with a coat and a space heater. So I had it exactly backwards, twice, in one kitchen. Core line: "If there is an average difference between a woman in her seventies and a man in his twenties, it is small, and it tells you nothing about which of them wants the app." Give Us A Shout Thanks for tuning in to Hartzell's Heat & Air, HVAC in Kingfisher and central Oklahoma. From Kingfisher to coast-to-coast consulting, we design, install, and maintain smart, efficient systems that deliver year-round comfort. We're family-run and powered by 47 years of experience. Whether it's AI-powered thermostats, geothermal systems, or classic tune-ups, we deliver upfront pricing, expert care, and warranties that back it all up. 🛠️ Book Online: https://book.housecallpro.com/book/Hartzells-Heat--Air/4a569038b3dc460daf2d5f6497b18351?v2=true 🌐 www.hartzellsheatair.com 📞 (405) 375-4822 🚛 Trane Comfort Specialist • Mitsubishi Diamond Dealer • ClimateMaster Elite 🛡️ VIP Comfort Club • Remote Monitoring • Extended Warranties 📲 Follow us for tips, updates, and real-world installs: YouTube: @hartzellsheatair6003 X: https://x.com/HartzellsHVAC Facebook: facebook.com/hartzellsheatair LinkedIn: Dave Hartzell Built on trust. Backed by warranty. Designed for comfort.

  5. 15h ago

    The Heat Pump Habit He Lost the Day He Heard the Average

    The thermostat on the wall said 71, and the sweat on the back of my neck said it was lying. It was late July in Kingfisher. A brick ranch from the early eighties, three bedrooms, original ductwork running through the attic. The homeowner called mid-morning and said the air had quit cooling. Retired, home all day, the careful type. There was a folder of utility bills on the kitchen counter, sorted by year. Outside, the condenser was running fine. Inside, the air coming out of the registers was weak and barely cool. When I pulled the panel on the indoor coil, it was a block of ice. A frozen coil in the middle of an Oklahoma July. A frozen coil has a short list of usual causes. A dirty filter, a dirty coil, a tired blower, low refrigerant. The filter was dirty but not terrible. The blower was a little slow. None of that alone should have iced it over, not this fast. So I asked how long the thermostat had been sitting at 71. "Since the second week of June." I asked what it had been before that. "Seventy-eight. For years." They said it with some pride, and the folder of bills backed it up. This was a household that did not waste anything. So I asked what changed in June. The homeowner got a little sheepish. A neighbor had mentioned it over the fence, friendly, no pressure. They keep theirs at 72 all summer, and their bill runs only a little more than yours. "I figured I was the odd one," the homeowner told me. "I figured I was being stingy for nothing." So they dropped it six degrees. Not because the house was hot. Because the number next door was lower. Core line: "First, before I say a single number, I ask the homeowner what the house feels like at their setting, and I write down their setpoint and what their own bills have looked like." Give Us A Shout Thanks for tuning in to Hartzell's Heat & Air, HVAC in Kingfisher and central Oklahoma. From Kingfisher to coast-to-coast consulting, we design, install, and maintain smart, efficient systems that deliver year-round comfort. We're family-run and powered by 47 years of experience. Whether it's AI-powered thermostats, geothermal systems, or classic tune-ups, we deliver upfront pricing, expert care, and warranties that back it all up. 🛠️ Book Online: https://book.housecallpro.com/book/Hartzells-Heat--Air/4a569038b3dc460daf2d5f6497b18351?v2=true 🌐 www.hartzellsheatair.com 📞 (405) 375-4822 🚛 Trane Comfort Specialist • Mitsubishi Diamond Dealer • ClimateMaster Elite 🛡️ VIP Comfort Club • Remote Monitoring • Extended Warranties 📲 Follow us for tips, updates, and real-world installs: YouTube: @hartzellsheatair6003 X: https://x.com/HartzellsHVAC Facebook: facebook.com/hartzellsheatair LinkedIn: Dave Hartzell Built on trust. Backed by warranty. Designed for comfort.

  6. 1d ago

    The Bad Mood That Graded the Repair Before It Started

    The screen door opened and the heat came out at me before the man did, and I could tell from his face that he had already decided what kind of company I was. This was July, the middle of a stretch where the afternoon never lets go. An older ranch house on the edge of a small town, low ceilings, a west-facing kitchen, carpet that holds the day. The homeowner was a man in his fifties who had been home since noon, because the air conditioner quit on him at breakfast. He is a composite, a man I have met a hundred times in forty-seven years of this. The outdoor unit had stopped. A part had failed, the kind of thing that fails in July because July is when everything gets asked to work all day. He called at seven in the morning. I got there in the afternoon. My schedule was full of houses just as hot as his, and I told him so on the phone, and he heard none of it. He did not say hello. He said, "Took you long enough." Then, before I got my boots over the threshold: "I bet this is going to cost me a fortune." I have heard both of those sentences more times than I can count. Early on, I answered the words. I said I was sorry, I explained the schedule, I promised to be fair on the price. It never helped. The more I defended myself, the harder he dug in, and by the time I opened the toolbox he and I were two men arguing in a hot kitchen about something that had not happened yet. That afternoon I did something different. I stopped in the kitchen and said, "What's the thermostat reading in here?" "Then I'd be short with somebody too. I've been in this house two minutes and I'm already wet through my shirt. This is a miserable way to spend a day." He let out a breath. His shoulders came down an inch. "Yeah," he said. "It's been a day." Core line: "In 1983, two psychologists, Norbert Schwarz and Gerald Clore, wanted to know whether a passing mood leaks into judgments that have nothing to do with it." Give Us A Shout Thanks for tuning in to Hartzell's Heat & Air, HVAC in Kingfisher and central Oklahoma. From Kingfisher to coast-to-coast consulting, we design, install, and maintain smart, efficient systems that deliver year-round comfort. We're family-run and powered by 47 years of experience. Whether it's AI-powered thermostats, geothermal systems, or classic tune-ups, we deliver upfront pricing, expert care, and warranties that back it all up. 🛠️ Book Online: https://book.housecallpro.com/book/Hartzells-Heat--Air/4a569038b3dc460daf2d5f6497b18351?v2=true 🌐 www.hartzellsheatair.com 📞 (405) 375-4822 🚛 Trane Comfort Specialist • Mitsubishi Diamond Dealer • ClimateMaster Elite 🛡️ VIP Comfort Club • Remote Monitoring • Extended Warranties 📲 Follow us for tips, updates, and real-world installs: YouTube: @hartzellsheatair6003 X: https://x.com/HartzellsHVAC Facebook: facebook.com/hartzellsheatair LinkedIn: Dave Hartzell Built on trust. Backed by warranty. Designed for comfort.

  7. 1d ago

    Bracing for Disaster Made the Heat Pump Call Easier to Face

    She was standing at the screen door with her arms crossed before I had the truck in park. Late July, a brick ranch house on the edge of town, the kind with good shade trees and the original ductwork. The outdoor unit had quit the night before. By two in the afternoon the thermostat read 86 and the dog was lying on the tile in the hall like he'd been poured there. Her husband had always handled this sort of thing. He passed a couple of years back. So now she was handling it, and she had already decided how it was going to go. She said, "Before you start, I want you to know I'm not going to be talked into anything." I said that was fine. I said I'd like to look first. She followed me around the back of the house and stood a few feet behind me the whole time. When I pulled the disconnect and opened the panel she said, "I figured it'd be the compressor." Then, quieter, "That's the expensive one, isn't it." It wasn't the compressor. It was a small part, the kind that goes bad from heat and age and nothing anybody did. I showed it to her. I told her what it was, and that this was a repair, not a replacement. She didn't relax. She said, "So what's the catch?" There wasn't a catch. But she had spent the whole night building one. She told me later she lay awake running the conversation. Who would say what. What she'd say back. She had a line ready for if I said the whole system was shot. A different line for if I said it was urgent. Another one for if I said I had to leave and come back with a part. She'd rehearsed the fight, and I'd walked in and not given her one. I've seen this for 47 years. I used to think it was distrust, of me or of the trade. Some of it is. Most of it isn't. A psychologist named Julie Norem, working with Nancy Cantor, gave it a name in 1986. They called it defensive pessimism. Core line: "Norem did not study air conditioning customers, and I'm not telling you the research proves what was in that woman's head." Give Us A Shout Thanks for tuning in to Hartzell's Heat & Air, HVAC in Kingfisher and central Oklahoma. From Kingfisher to coast-to-coast consulting, we design, install, and maintain smart, efficient systems that deliver year-round comfort. We're family-run and powered by 47 years of experience. Whether it's AI-powered thermostats, geothermal systems, or classic tune-ups, we deliver upfront pricing, expert care, and warranties that back it all up. 🛠️ Book Online: https://book.housecallpro.com/book/Hartzells-Heat--Air/4a569038b3dc460daf2d5f6497b18351?v2=true 🌐 www.hartzellsheatair.com 📞 (405) 375-4822 🚛 Trane Comfort Specialist • Mitsubishi Diamond Dealer • ClimateMaster Elite 🛡️ VIP Comfort Club • Remote Monitoring • Extended Warranties 📲 Follow us for tips, updates, and real-world installs: YouTube: @hartzellsheatair6003 X: https://x.com/HartzellsHVAC Facebook: facebook.com/hartzellsheatair LinkedIn: Dave Hartzell Built on trust. Backed by warranty. Designed for comfort.

  8. 1d ago

    The Heat Pump Hum That Kept His Worries Awake

    She was standing at the kitchen counter at six in the morning with her phone in her hand, and she told me she had already talked me out of the repair three times before sunrise. It was a hot August week, the kind where the AC runs from noon until midnight and never catches up. The house was an older brick ranch outside town, the kind with a good roof and an original duct system. The customer was a woman who lived there with her husband, and she was the one who handled the bills. The system had quit cooling the afternoon before. I found a failed part and a condenser coil that had seen better years. It was a fixable problem, but not a cheap one. I explained it standing in her driveway. I told her what I found, what it would take, and what it was going to cost. She listened, nodded, and asked two good questions. She said she needed to talk to her husband and think it over. I said that was fine. I meant it. I left her with the number and drove to my next call. At six the next morning her message came in. She wanted to cancel. She said she had decided to get a second opinion, and that she did not feel right about what I had told her. I called her back. The woman on the phone was not the woman in the driveway. In the driveway she was calm and curious. On the phone she was sure of things I had never said. She said I told her the whole system was failing. I had not. She said I seemed rushed. I was not. She said the number kept going up in her head. Then she said the thing I have heard in one form or another for forty-seven years: "I just kept going over it. I could not sleep." Core line: "It showed that the kind of arousal people carry into bed is not one thing, and that the mental kind is the one that tracks with lying awake." Give Us A Shout Thanks for tuning in to Hartzell's Heat & Air, HVAC in Kingfisher and central Oklahoma. From Kingfisher to coast-to-coast consulting, we design, install, and maintain smart, efficient systems that deliver year-round comfort. We're family-run and powered by 47 years of experience. Whether it's AI-powered thermostats, geothermal systems, or classic tune-ups, we deliver upfront pricing, expert care, and warranties that back it all up. 🛠️ Book Online: https://book.housecallpro.com/book/Hartzells-Heat--Air/4a569038b3dc460daf2d5f6497b18351?v2=true 🌐 www.hartzellsheatair.com 📞 (405) 375-4822 🚛 Trane Comfort Specialist • Mitsubishi Diamond Dealer • ClimateMaster Elite 🛡️ VIP Comfort Club • Remote Monitoring • Extended Warranties 📲 Follow us for tips, updates, and real-world installs: YouTube: @hartzellsheatair6003 X: https://x.com/HartzellsHVAC Facebook: facebook.com/hartzellsheatair LinkedIn: Dave Hartzell Built on trust. Backed by warranty. Designed for comfort.

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About

Looking for honest stories about people, not product reviews? You're in the right place.The Human Diagnostic isn't a how-to HVAC podcast. It's what a 45-year Master Technician notices about people after 90,000 service calls across gas plants, oil rigs, hospital preservation systems, high-rises, feedlots, walk-in freezers, and residential homes all over Central Oklahoma.Hosted by Dave Hartzell, each episode tells a real story from a real service call. Sometimes he's driving to the job and predicting what he's about to walk into. Sometimes he just left and he's still working through what he saw. Either way, the story turns out to be about more than HVAC.Topics you'll hear across the season:✅ The customer nobody wanted to take, and what changed when someone finally did✅ Why the person researching their broken AC at midnight isn't being difficult, they're scared✅ What 45 years of walk-ins, weddings, funerals, and broken water heaters teaches you about anxiety✅ The tech who can fix anything but can't explain it, and why the customer doesn't trust him✅ The review you can't place, the moment you never forget, the call that changed how you work✅ What gets lost when we treat people like tickets, and what gets found when we don'tWhether you fix things for a living, manage people who do, or just like good stories from someone who has been everywhere and met everybody, The Human Diagnostic gives you the part of the job that never shows up in an invoice.📍 Proudly based in Kingfisher and serving Edmond, Guthrie, Yukon, Mustang, Piedmont, Logan County, Canadian County, Blaine County, Major County, Garfield County, and the greater Oklahoma City metro area. Hartzell's Heat & Air blends old-school integrity with cutting-edge technology, from digital diagnostics to smart-home HVAC integrations.Connect with Hartzell's Heat & Air:📲 Facebook: facebook.com/hartzellsheatair🐦 X (Twitter): x.com/HartzellsHVAC▶️ YouTube: youtube.com/@hartzellsheatair6003💼 LinkedIn: linkedin.com/in/dave-hartzell-7a687515📧 Contact Us: office@hartzellsheatair.comEvery call is a story. Every story is a person.🔔 Subscribe to The Human Diagnostic and ride along.📞 Need HVAC help in Central Oklahoma? Call (405) 375-4822🌐 hartzellsheatair.com

Information

  • Creator
    Dave Hartzell's Heat & Air - Kingfisher,OK
  • Years Active
    2026
  • Episodes
    293
  • Rating
    Clean
  • Copyright
    © 2026 The Human Diagnostic
  • Show Website
    The Human Diagnostic