Dave Hartzell's Heat & Air - Kingfisher,OK

The Human Diagnostic

Business EN ↓ 388 episodes

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 sa...

Be sure to visit the podcast's website and support the creator: www.buzzsprout.com

Author

Dave Hartzell's Heat & Air - Kingfisher,OK

Category

Business

Podcast website

www.buzzsprout.com

Latest episode

Nov 11, 2026

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Episodes

Why He Was Sure the Dead Heat Pump Would Ruin His Winter 17.09.2026

The thermostat in the hallway read 91 degrees, and the two people at the kitchen table were both telling me they were fine. It was the second week of August, that stretch in Kingfisher County where the nights quit cooling off and the south wind feels like it came out of a clothes dryer. The house was a brick ranch built in the seventies, a few miles out on a section-line road, with a pecan tree in...

She Kept Meaning To Call. One Sentence Got the Furnace Fixed 17.09.2026

The thermostat in the hallway read 88, and the husband was standing right under it with a dish towel over his shoulder, telling me he had meant to call. It was the third week of July, one of those stretches where the south wind feels like somebody left the oven door open. The house was a brick ranch on a few acres outside town, built sometime in the seventies, with a carport, a big pecan tree, and...

Kids These Days: The Repair He Couldn't Do at Their Age 17.09.2026

My phone rang while I was up on a rooftop in Hennessey, and the first thing out of his mouth was, "Dave, they sent me the kid." It was the last week of July, one of those afternoons when the thermometer on my truck read 104 and the south wind felt like it was blowing out of a dryer vent. The house was a brick ranch out in the county, built in the seventies, sitting on a few acres of whea...

Why She Forgave the Stranger's Repair but Not Her Brother's 16.09.2026

She was standing in the driveway before I had the truck in park, arms crossed, and the first thing she said was, "I've told half this town to call you." It was the second week of August, a Sunday, 104 in the shade. The house was a brick ranch from the seventies on the edge of town, pecan trees out front, and a thermostat that had been set the same way for twenty years. She's a...

Why Hiding His Worry Made the Repair Feel Worse 16.09.2026

He met me at the front door with a glass of iced tea in one hand and sweat through his shirt collar, and the first thing he said was, "It's fine, no hurry." This call is a composite. I've run some version of it more times than I can count in 47 years, so I'm not putting anybody's name or road on it. It was the back half of July, one of those stretches where the nights...

Five Seconds at the Door Decided If She Trusted the Heat Pump Guy 16.09.2026

She was standing behind the storm door with her arms folded before I had the truck in park. It was the second week of August, one of those afternoons when the thermometer on my dash said 104 and the south wind felt like somebody had opened an oven door. The house was a brick ranch on a county road, built sometime in the seventies. It had pecan trees out front and a long gravel drive, the kind you...

His Birthday Is Why He Finally Called About the Heat Pump 15.09.2026

It was 86 degrees in that kitchen, and the sheet of notebook paper stuck to the refrigerator had "AC checkup" written on the very first line. It was the first week of June. That's the week every summer in Kingfisher County when it goes from pleasant to ninety-five in about three days, and the south wind stops feeling like a breeze and starts feeling like a hair dryer. The house was...

Why a Rare Disaster Scared Her More Than the AC Problem She Lived With 15.09.2026

She met me at the front door wearing her winter coat, inside her own house, and the first thing she said was, "I shut it off before it could blow up." It was the first hard cold snap of the year, one of those November mornings when the wind comes across the wheat and finds every gap in a house. Brick ranch, built sometime in the seventies, gas furnace in the hall closet. She lived alone....

Ancient Fears in a Modern Home: The Spider That Stopped the Repair 15.09.2026

He was standing at the crawlspace hatch with a flashlight in his hand, and he would not put one foot past the edge. It was late October, the first real north wind of the fall, the week half of central Oklahoma turns the heat on and finds out what's wrong with it. The house was a brick ranch from the seventies, a few miles outside town, ductwork under the floor and the furnace in a hall closet...

The Heat Pump He Fixed Alone Because Everyone Expected Him To 14.09.2026

She met me at the back door holding a manila folder with every invoice that air conditioner had ever produced. Before I got my name out, she said, "Nobody else in this house even knows how old this thing is." It was the last week of August, one of those afternoons when the heat comes up off the gravel and even the grasshoppers quit moving. The house was a brick ranch from the seventies,...

The Heat Pump Verdict He Decided On Before I Arrived 14.09.2026

He met me in the driveway holding a capacitor still in the box, and before I had my truck door shut he told me that was all it needed. It was late July, the fourth day in a row over a hundred. A brick ranch house built sometime in the seventies, a few miles out of town on a section road, with a shop out back that was cleaner than most kitchens. The man who owned it ran the parts counter at a farm...

Too Calm to Care, Too Scared to Think: The Repair in Between 14.09.2026

She was waiting at the back door with a legal pad before I had the truck in park. It was the middle of April, one of those Oklahoma weeks where the heat runs at six in the morning and you're thinking about the air conditioner by lunch. It was a brick ranch house built sometime in the eighties, with a big pecan tree out back that drops everything it has on the outdoor unit. The homeowner was r...

The Repair He Couldn't Stop Replaying, Long After It Worked 13.09.2026

It's a quarter to one in the morning and the house is dark. A man is sitting on the edge of his bathtub with his phone in his hand, waiting for the furnace to kick on so he can hear it one more time. This call is a composite. I've been in this trade 47 years, and I've met this man in a few hundred different houses, so I pieced him together from a lot of calls. No real name, no real...

He Fixed the AC and Grieved a House That Wasn't His 11.09.2026

He told me the house never felt cold while I was standing in his back bedroom reading sixty-one degrees off my own thermometer. January, north wind, the kind of week where the ground goes hard and every furnace in the county decides whether it has one more winter in it. Two-story farmhouse a few miles out of town, added onto twice, the way those houses are. The man who called was in his sixties, r...

Locus of control, self versus circumstance, with a heat pump call as the setting. 11.09.2026

He had the flashlight in his hand before I had the truck in park. Late August, one of those weeks where the pavement in Kingfisher is still warm at ten at night. Brick ranch on the edge of town, well kept, garage swept. Retired fellow, early seventies, the kind who keeps a legal pad by the phone. His air conditioner had quit the afternoon before. By the time I pulled up he had already checked the...

The Repair Estimate She Couldn't Accept Without a Second Opinion 10.09.2026

He asked me what it was going to cost before I had the lid off the unit, and when I said I didn't know yet, he asked again, slower, like I hadn't heard him. Late July, the kind of week where the sun is already working at seven in the morning. Brick ranch north of Kingfisher, well kept, the grass edged along the driveway. He was in his early sixties, retired from a job where he had run nu...

He Was Certain He Was The Reasonable One About The Heat Pump 10.09.2026

He told me the last company had been working him, and about nine seconds later he told me exactly what was wrong with his air conditioner and how he knew. Late August, one of those weeks where it never gets below eighty at night and the equipment does not get a rest. Brick ranch east of town, single story, built somewhere in the middle seventies, big elms on the west side doing the house a real fa...

The Woman Who Couldn't Believe the Repair Held 10.09.2026

By the time I pulled out of the shop she had called three times, and nothing about her job had changed since the first one. First full week of July, heat index sitting around 105 by early afternoon. Two story house in one of the newer additions, built maybe twenty years ago, the kind where the upstairs runs eight degrees warmer than the downstairs no matter what anybody does about it. She works fr...

The Repair He Feared Less Because He Could See It Coming 10.09.2026

He picked the more expensive repair and looked relieved doing it. Late August, a brick ranch on the edge of town, the kind built in the nineties with the condenser tucked up against the north wall where nobody ever hears it run. Retired couple, both home all day, which matters in August. The air had been blowing warm since Sunday and they waited until Wednesday to call because they were hoping it...

The Worry She Was Certain Showed While the Heat Pump Ran 09.09.2026

She had been terrified about the money for two hours and I had no idea, because she thought it was written on her face. Early spring, a rent house out toward the county line, tenant not owner, which changes the whole shape of a call. Young woman, maybe late twenties, a toddler asleep on the couch under a blanket with cartoon dinosaurs on it. The heat had quit and it had gotten down to forty seven...

The Repair She Put Off Because Bad Luck Happens To Others 09.09.2026

He agreed with every word I said about the failure, and then explained why it would not happen to him. Composite call. This is four or five conversations stacked into one, because the pattern is the point and I am not putting a real customer in it. Late October, and I am standing in a garage in front of a nineteen year old eighty percent furnace with a heat exchanger I did not like. Not cracked th...

The Man Who Had to Believe He Broke the Heat Pump 09.09.2026

He had set the thermostat to sixty on a hundred and four degree day, and he genuinely believed that would make it cool faster. Mid July, a two story on the east side of Kingfisher, the kind with the big west windows nobody thinks about when they buy the house. He met me at the door with a glass of tea and an apology, which is how you can tell somebody has been fighting with something for a while....

Duct Repair: She Wanted The Same One Back 09.09.2026

She asked me if I could put the same one back in. The exact same one. And she was not being difficult, she was being loyal. Late June, a brick ranch south of the tracks, the kind with the deep front porch and a swing that has been painted four different colors. Widow, early eighties. Her husband had put the air conditioner in himself, or had it put in, she was not sure which anymore, and it had ru...

The Ninety Dollars She Saved That Cost Her A Furnace 09.09.2026

She had saved ninety dollars a year for six years, and it cost her forty two hundred. I want to be careful with this one, because there is a version of it that is a sales pitch and I am not interested in telling that story. The story I am interested in is why a smart person makes the same small decision six times in a row and only sees the shape of it on the seventh. Composite call, and I will say...

The AC Repair He Diagnosed Himself And Got Wrong 09.09.2026

The man knew exactly what was wrong with his air conditioner until I asked him to show me. It was a Thursday in the first week of August, out past the co-op on the north edge of town. Ninety-nine degrees and the kind of still air where the flag on the pole by the mailbox just hangs there. He met me in the driveway before I had the truck in park. Retired, seventies, khaki shorts, a shop rag folded...

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