Latest / Cool Talk with Hartzell's | Your HVAC Questions, Answered! / How Leaky Ducts Cause Mold

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How Leaky Ducts Cause Mold · Cool Talk with Hartzell's | Your HVAC Questions, Answered!

• 0:00
  SPEAKER_01: So imagine you walk right through your front door after a really long day.
• 0:03
  SPEAKER_02: Oh yeah.
• 0:04
  SPEAKER_02: You just want to relax.
• 0:05
  SPEAKER_01: Exactly.
• 0:05
  SPEAKER_01: But you walk in and uh you catch it.
• 0:08
  SPEAKER_01: You catch this weird, musty smell hanging around your hallway closet or maybe a ceiling vent.
• 0:13
  SPEAKER_02: Aaron Powell I know exactly the smell you are talking about.
• 0:16
  SPEAKER_01: Aaron Ross Powell Right.
• 0:16
  SPEAKER_01: And your very first instinct is probably just to grab a can of air freshener, you give the closet a quick spray, you shut the door, and you just move on with your life.
• 0:22
  SPEAKER_02: Aaron Powell Because nobody wants to deal with that.
• 0:24
  SPEAKER_01: Right.
• 0:24
  SPEAKER_01: But today we are taking a deep dive into why that smell is actually a clue to a much, much larger puzzle.
• 0:31
  SPEAKER_02: Aaron Powell It is honestly a fascinating topic because according to people who study how buildings actually breathe, that smell is not a cleanliness problem at all.
• 0:39
  SPEAKER_01: Aaron Powell Yeah, it is basically a flashing warning light.
• 0:42
  SPEAKER_02: Aaron Powell It really is.
• 0:43
  SPEAKER_02: It's a structural failure wearing a mold costume.
• 0:46
  SPEAKER_02: And simply treating those weird symptoms with bleach or perfume is completely missing the true underlying cause of a sick building.
• 0:53
  SPEAKER_01: Aaron Powell So our mission for this deep dive is to unpack the crazy world of HVAC detective work.
• 0:59
  SPEAKER_01: And our primary source for this is an incredible interview with a guy named Dave Hartzell.
• 1:03
  SPEAKER_02: Aaron Powell Yeah, Dave is based in Oklahoma.
• 1:05
  SPEAKER_01: Aaron Ross Powell Right.
• 1:06
  SPEAKER_01: He has over 45 years of experience wrenching on heating and cooling systems.
• 1:11
  SPEAKER_01: And for the last 15 years, he has been running his own shop called Hartzell's Heat and Air in a town called Kingfisher.
• 1:18
  SPEAKER_02: And what I love about Dave is that he approaches this stuff, you know, not just as a mechanical trade, but as an actual investigative science.
• 1:25
  SPEAKER_01: Aaron Ross Powell Yeah, he really does.
• 1:26
  SPEAKER_02: Aaron Ross Powell We tend to think of our houses as these solid static boxes.
• 1:30
  SPEAKER_02: But the reality is that a house is a dynamic, interconnected system.
• 1:35
  SPEAKER_02: It breathes air in and pushes air out all day long.
• 1:38
  SPEAKER_01: Aaron Ross Powell And when that breathing gets disrupted, the house literally gets sick.
• 1:43
  SPEAKER_02: Aaron Ross Powell Exactly.
• 1:44
  SPEAKER_02: Aaron Ross Powell So to really understand how a house fails, we have to look at the specialized tools that building scientists use to diagnose those failures.
• 1:52
  SPEAKER_01: Aaron Powell Which brings us to this brilliant concept Dave highlighted from a colleague of his named Michael Sanfonosi.
• 1:57
  SPEAKER_02: Aaron Powell Oh, right.
• 1:58
  SPEAKER_02: The Bahamas case.
• 1:59
  SPEAKER_01: Yes.
• 2:00
  SPEAKER_01: So Michael was called in to track down a massively complex mold issue in the Bahamas.
• 2:06
  SPEAKER_01: And you can only imagine the humidity levels they were dealing with down there.
• 2:09
  SPEAKER_02: Aaron Ross Powell Oh, it must have been just incredibly tropical and sticky.
• 2:13
  SPEAKER_01: Aaron Powell Absolutely brutal.
• 2:14
  SPEAKER_01: So to solve this mystery, Michael used a piece of diagnostic equipment called a blower door.
• 2:18
  SPEAKER_02: Aaron Ross Powell The Blower Door test is just such an incredible piece of technology.
• 2:22
  SPEAKER_01: Aaron Powell Can you explain how it works for the listeners?
• 2:23
  SPEAKER_02: Aaron Powell Yeah, absolutely.
• 2:24
  SPEAKER_02: So picture this large, heavy-duty canvas shroud.
• 2:28
  SPEAKER_02: The technician temporarily seals it right into the frame of your front door.
• 2:31
  SPEAKER_01: Aaron Powell Okay, so it blocks the whole doorway.
• 2:33
  SPEAKER_02: Right.
• 2:34
  SPEAKER_02: And fitted inside that canvas is this massive, highly calibrated fan that is hooked up to a bunch of pressure gauges.
• 2:40
  SPEAKER_00: Aaron Powell That sounds intense.
• 2:41
  SPEAKER_02: Aaron Powell It really is, because when the tech turns that fan on, it completely takes over the airflow of the entire building.
• 2:47
  SPEAKER_02: It can either aggressively push air into the house to create positive pressure.
• 2:51
  SPEAKER_01: Trevor Burrus Or it pulls it out, right?
• 2:53
  SPEAKER_02: Exactly.
• 2:53
  SPEAKER_02: It reverses and pulls air out to create negative pressure.
• 2:57
  SPEAKER_02: The gauges tell the technician the exact volume of air escaping the building.
• 3:00
  SPEAKER_01: Aaron Powell, which honestly sounds like putting your house on a specialized treadmill.
• 3:04
  SPEAKER_02: Aaron Powell That is a great way to put it.
• 3:06
  SPEAKER_01: Yeah, it is like hooking it up to a heart monitor and cranking up the speed to see exactly where it sweats and struggles under extreme stress.
• 3:12
  SPEAKER_02: Aaron Powell That analogy perfectly captures the goal of the test because the true detective work happens when they depressurize the house.
• 3:18
  SPEAKER_02: When that giant fan pulls air out of your living room, physics dictates that new air has to rush in from somewhere to fill the void.
• 3:26
  SPEAKER_01: Aaron Powell So a skilled technician can just walk around the house and physically feel where that replacement air is sneaking in.
• 3:31
  SPEAKER_02: Precisely.
• 3:32
  SPEAKER_02: They are basically forcing the house to reveal its hidden leaks.
• 3:35
  SPEAKER_02: So they can figure out if the house is sucking in humid air from a damp crawl space.
• 3:39
  SPEAKER_00: Oh wow.
• 3:39
  SPEAKER_00: Yeah.
• 3:40
  SPEAKER_02: Or maybe it is dragging in fiberglass dust from the attic, or even pulling dangerous exhaust fumes from an attached garage.
• 3:47
  SPEAKER_01: That is wild to think about.
• 3:49
  SPEAKER_01: And Dave notes in his interview that he does not actually need to run a full blower door test every single day for his residential service calls in Oklahoma.
• 3:57
  SPEAKER_02: Right.
• 3:57
  SPEAKER_02: It is a very specialized test.
• 3:58
  SPEAKER_01: Aaron Ross Powell, but he deeply understands the physics behind it because leaky ductwork in your everyday HVAC system operates on those exact same principles.
• 4:05
  SPEAKER_02: Aaron Powell That is the key connection right there.
• 4:08
  SPEAKER_02: A leaky air handler interacts with your home the exact same way that massive fan does.
• 4:12
  SPEAKER_01: Aaron Ross Powell Because the principles of positive and negative pressure do not change just because the equipment is hiding up in your attic.
• 4:18
  SPEAKER_02: Exactly.
• 4:19
  SPEAKER_02: So let us apply those physics to the real world.
• 4:22
  SPEAKER_01: Aaron Powell All right.
• 4:22
  SPEAKER_01: Why do these hidden air leaks lead to such catastrophic moisture problems in the first place?
• 4:26
  SPEAKER_02: Aaron Ross Powell Well, we are looking at this through the lens of an Oklahoma summer.
• 4:29
  SPEAKER_01: Aaron Powell Which is just a brutal combination of high heat and high humidity.
• 4:33
  SPEAKER_02: It is punishing.
• 4:34
  SPEAKER_02: And that extreme weather leads us directly into a very common, very expensive misconception that plagues the HVAC industry.
• 4:40
  SPEAKER_02: Dave calls it the sizing trap.
• 4:43
  SPEAKER_01: Oh, yes, the sizing trap.
• 4:44
  SPEAKER_01: This is where human nature completely takes over.
• 4:47
  SPEAKER_02: It really does.
• 4:47
  SPEAKER_01: When people are faced with hundred-degree heat waves, homeowners just inherently believe that a bigger air conditioning unit is always going to be the better, safer option.
• 4:57
  SPEAKER_01: They think a massive unit is just a guaranteed shield against the heat.
• 5:00
  SPEAKER_02: They totally do.
• 5:02
  SPEAKER_02: Dave frequently walks into homes and sees a massive four-ton AC unit installed on a house that geometrically only needs a two and a half ton unit.
• 5:10
  SPEAKER_01: Aaron Powell, which is a massive difference in power.
• 5:12
  SPEAKER_02: It is huge.
• 5:13
  SPEAKER_02: And it is almost always there because a previous installer convinced the homeowner that having extra cooling capacity was a smart safety net.
• 5:20
  SPEAKER_02: Or the homeowner just straight up demanded the biggest machine available.
• 5:23
  SPEAKER_01: Aaron Powell Well, I am actually going to push back on Dave here for a second.
• 5:25
  SPEAKER_02: Aaron Powell Okay, go for it.
• 5:26
  SPEAKER_01: Aaron Powell If my house is boiling hot in August, why wouldn't a massive blast of freezing cold air be the perfect solution?
• 5:33
  SPEAKER_01: I mean, wouldn't a giant overpowered unit just freeze the moisture right out of the room instantly?
• 5:38
  SPEAKER_02: Aaron Powell See, your logic makes perfect sense on the surface, but it fundamentally misunderstands the actual mechanical process of how an AC unit removes moisture.
• 5:47
  SPEAKER_01: Aaron Powell Okay.
• 5:48
  SPEAKER_01: How does it actually work then?
• 5:50
  SPEAKER_02: Aaron Powell Well, an air conditioner cannot instantly vaporize humidity.
• 5:53
  SPEAKER_02: It just cannot do it.
• 5:55
  SPEAKER_02: It removes humidity by taking warm, damp indoor air and blowing it over a freezing cold metal coil inside your ductwork.
• 6:02
  SPEAKER_01: Right, the evaporator coil.
• 6:04
  SPEAKER_02: Aaron Powell Exactly.
• 6:05
  SPEAKER_02: So the water vapor in the air condenses onto that freezing metal, turns into liquid water droplets, drips down into a drain pan, and is safely piped outside your house.
• 6:14
  SPEAKER_01: Aaron Powell So it is literally the exact same concept as a freezing cold glass of iced tea sweating on a hot patio table.
• 6:20
  SPEAKER_02: Yes.
• 6:21
  SPEAKER_01: The glass is just pulling moisture out of the air.
• 6:23
  SPEAKER_02: Aaron Ross Powell That is the exact scientific mechanism at play.
• 6:26
  SPEAKER_02: But the crucial, absolute most important ingredient in that condensation process is time.
• 6:32
  SPEAKER_00: Time.
• 6:32
  SPEAKER_02: Yes.
• 6:33
  SPEAKER_02: The air has to continuously flow over that cold coil for a sustained period to actually wring the water out of the house.
• 6:41
  SPEAKER_01: Aaron Powell Ah, I see where this is going.
• 6:43
  SPEAKER_02: Right.
• 6:43
  SPEAKER_02: So when you put an oversized four-ton unit on a small house, you trigger a mechanical failure called short cycling.
• 6:50
  SPEAKER_01: Aaron Ross Powell Because the unit is just way too powerful for the space it is trying to cool.
• 6:54
  SPEAKER_02: Aaron Powell Precisely.
• 6:55
  SPEAKER_02: The massive unit kicks on, blasts a hurricane of freezing cold air into the living room, and completely satisfies the thermostat setting in just eight or ten minutes.
• 7:04
  SPEAKER_01: Oh wow.
• 7:05
  SPEAKER_01: So the temperature dropped rapidly, but the machine shut off before it could dehumidify anything.
• 7:09
  SPEAKER_02: Aaron Powell Exactly.
• 7:10
  SPEAKER_02: The thermostat registers that the room is cool, so it shuts the entire system off.
• 7:15
  SPEAKER_02: The machine did not run nearly long enough to give that indoor coil the time it needed to pull the water out.
• 7:21
  SPEAKER_01: So the thermostat might proudly display a perfect 72 degrees.
• 7:26
  SPEAKER_02: But the environment inside the house feels absolutely awful.
• 7:31
  SPEAKER_02: Dave says it feels like wearing a wet gym sock.
• 7:34
  SPEAKER_00: Ooh, that sounds disgusting.
• 7:36
  SPEAKER_00: But I know exactly what that feels like.
• 7:38
  SPEAKER_00: Clammy and cold.
• 7:39
  SPEAKER_02: Yes.
• 7:40
  SPEAKER_02: The ambient air is cold, but it is heavily saturated with water vapor.
• 7:44
  SPEAKER_02: And here is the truly dangerous part for the structure of the house.
• 7:48
  SPEAKER_00: What is that?
• 7:49
  SPEAKER_02: That trapped moisture does not just float innocuously in the middle of your living room.
• 7:54
  SPEAKER_02: It naturally settles.
• 7:55
  SPEAKER_01: Right.
• 7:56
  SPEAKER_01: Water has to go somewhere.
• 7:57
  SPEAKER_02: It condenses behind your baseboards.
• 7:59
  SPEAKER_02: It gets trapped in dark, unventilated closets, and it basically creates a paradise for mold colonies to thrive.
• 8:05
  SPEAKER_01: Aaron Powell Which sets up this bizarre real-world case study that Dave shared in his interview.
• 8:10
  SPEAKER_01: It is just a perfect example of his detective work in action.
• 8:13
  SPEAKER_02: Oh yeah, the Kingfisher house.
• 8:15
  SPEAKER_01: Yeah.
• 8:16
  SPEAKER_01: So he was called out to a family's home just outside Kingfisher.
• 8:19
  SPEAKER_01: And the homeowners were complaining about a terrible, musty smell radiating from their master bedroom closet.
• 8:25
  SPEAKER_02: And this specific case illustrates the massive difference between a technician who guesses and an investigator who actually diagnoses the problem.
• 8:33
  SPEAKER_01: Because the family had actually already paid a different technician to come out and look at the closet.
• 8:38
  SPEAKER_02: Right.
• 8:38
  SPEAKER_02: And what did that guy do?
• 8:40
  SPEAKER_01: Well, he took a quick look, made a wild guess, and told them the smell was probably just their carpet pad getting old.
• 8:46
  SPEAKER_02: Oh, you have got to be kidding me.
• 8:47
  SPEAKER_01: Nope.
• 8:48
  SPEAKER_01: His official professional advice was to go to a hardware store, buy a portable dehumidifier, and just run it inside the closet forever.
• 8:56
  SPEAKER_02: Which is an incredibly frustrating piece of advice.
• 8:58
  SPEAKER_01: He really is.
• 8:59
  SPEAKER_02: Because it places the financial and mental burden completely back onto the homeowner to indefinitely treat a symptom, all while completely ignoring the structural failure causing the moisture in the first place.
• 9:10
  SPEAKER_01: Right.
• 9:10
  SPEAKER_01: So Dave takes over the case and arrives at the house.
• 9:13
  SPEAKER_01: And he does not just stare at the closet floorboards and shrug.
• 9:16
  SPEAKER_02: No.
• 9:16
  SPEAKER_02: He starts investigating the airflow of the entire property.
• 9:20
  SPEAKER_01: Exactly.
• 9:21
  SPEAKER_01: And within 20 minutes of climbing up into the attic, he finds the true culprit.
• 9:25
  SPEAKER_02: The split duct.
• 9:27
  SPEAKER_01: Yeah.
• 9:28
  SPEAKER_01: He discovered a return air duct with a massive seam that had split wide open.
• 9:33
  SPEAKER_02: We should probably pause and define what a return duct is actually doing up there in the attic.
• 9:37
  SPEAKER_01: Yeah, that is a good idea.
• 9:38
  SPEAKER_02: So the return duct is the side of the HVAC system that acts like a giant vacuum cleaner.
• 9:44
  SPEAKER_02: It operates under continuous negative pressure, sucking air out of the living space and dragging it back to the main unit to be cooled.
• 9:50
  SPEAKER_01: But because that duct had split open in the attic, it was no longer just pulling conditioned air from the hallway.
• 9:56
  SPEAKER_02: No, it was actively sucking in 130-degree, incredibly humid attic air all day long.
• 10:02
  SPEAKER_01: And due to the architectural layout of the house, the ductwork was dragging that boiling, wet attic air right past the drywall of the master bedroom closet before it ever reached the cooling coil.
• 10:14
  SPEAKER_02: So you have incredibly hot, moisture-laden air colliding with the cooler 72-degree air of the living space.
• 10:20
  SPEAKER_01: Aaron Powell Right, with only a thin sheet of drywall separating them.
• 10:23
  SPEAKER_02: The dew point is literally reached inside the wall cavity itself.
• 10:26
  SPEAKER_02: Condensation is going to form constantly inside that wall, soaking the wood and the drywall from the inside out.
• 10:32
  SPEAKER_01: It is crazy.
• 10:33
  SPEAKER_01: But the fix was brilliantly simple once the actual mystery was solved.
• 10:37
  SPEAKER_01: Dave sealed that split seam in the attic ductwork with proper mastic.
• 10:40
  SPEAKER_01: He rebalanced the airflow for the house, and the awful smell completely vanished in about a week.
• 10:45
  SPEAKER_02: No dehumidifier required.
• 10:47
  SPEAKER_01: Right.
• 10:48
  SPEAKER_01: The family did not have to tear out the carpet pad, and they did not have to run a noisy machine in their bedroom.
• 10:53
  SPEAKER_01: And I absolutely love the way Dave phrased his conclusion to the family.
• 10:57
  SPEAKER_02: Aaron Powell What did he tell them?
• 10:59
  SPEAKER_01: He told them that this was never a mold problem.
• 11:02
  SPEAKER_01: It was an airflow and duct ceiling problem wearing a mold costume.
• 11:06
  SPEAKER_02: I love that.
• 11:07
  SPEAKER_02: Conceptualizing a symptom as an airflow problem wearing a mold costume completely changes how you look at building maintenance.
• 11:13
  SPEAKER_01: Aaron Powell It really proves why finding the true root cause is so vital.
• 11:17
  SPEAKER_02: It does.
• 11:18
  SPEAKER_02: However, finding that root cause takes significant time.
• 11:21
  SPEAKER_02: It requires specialized diagnostic knowledge, and it demands a willingness to get dirty and actually investigate.
• 11:27
  SPEAKER_01: Aaron Powell Which leads us to explore why so many homeowners end up receiving that terrible lazy advice from the first technician in the first place.
• 11:34
  SPEAKER_02: Aaron Powell Right.
• 11:34
  SPEAKER_02: The business side of things.
• 11:35
  SPEAKER_01: Yeah.
• 11:36
  SPEAKER_01: I am looking at Dave's notes on the industry, and it seems to just come down to psychology and money.
• 11:42
  SPEAKER_01: Basically, homeowners are generally terrified of diagnostic fees.
• 11:46
  SPEAKER_02: Aaron Powell The fear of the fee is a huge driving force behind bad HVAC service.
• 11:51
  SPEAKER_02: Trevor Burrus, Jr.
• 11:51
  SPEAKER_01: It makes sense.
• 11:52
  SPEAKER_01: Nobody wants to pay just to have someone look at something.
• 11:54
  SPEAKER_02: Aaron Powell Right.
• 11:55
  SPEAKER_02: Homeowners naturally want a free estimate, or they will demand that the diagnostic fee be completely waived if they agree to purchase a repair that same day.
• 12:04
  SPEAKER_01: Aaron Powell Which creates a terrible dynamic.
• 12:06
  SPEAKER_02: Aaron Powell It really does.
• 12:08
  SPEAKER_02: That extreme pressure forces a lot of underpaid technicians to rush their diagnosis.
• 12:12
  SPEAKER_02: They just guess quickly so they can sell a part, waive the fee, and make their commission.
• 12:17
  SPEAKER_01: But Dave takes a remarkably different approach to his business.
• 12:20
  SPEAKER_01: He is incredibly upfront about his transparent pricing model to demystify the actual cost of hiring a true professional.
• 12:28
  SPEAKER_02: Yeah, he breaks a standard service call down into two very distinct concepts.
• 12:32
  SPEAKER_01: Aaron Powell Right.
• 12:32
  SPEAKER_01: First, there's a dispatch fee, which is$99.
• 12:36
  SPEAKER_01: That simply covers the raw overhead of putting a heavy truck, expensive tools, and a human being into your driveway.
• 12:42
  SPEAKER_02: Which is very reasonable.
• 12:44
  SPEAKER_01: Yeah.
• 12:44
  SPEAKER_01: And second, there is a separate diagnostic fee of$111.
• 12:49
  SPEAKER_01: That specifically covers the mental labor and time required to actually figure out what is failing inside your house.
• 12:56
  SPEAKER_01: So it is$210 total for a standard call.
• 12:59
  SPEAKER_02: Separating the physical trip from the mental labor is crucial for transparency.
• 13:04
  SPEAKER_02: And he also clearly defines his pricing for other scenarios.
• 13:07
  SPEAKER_01: Aaron Powell Right, like emergency after-hour service on nights or weekends costs$309.
• 13:12
  SPEAKER_02: Aaron Ross Powell And he has a lower rate for a standard air conditioning tune-up where there is no active mystery to solve, which is$229.
• 13:20
  SPEAKER_01: Aaron Powell But the most uncompromising part of Dave's business policy is that he absolutely refuses to play the industry game of crediting the diagnostic fee toward a repair.
• 13:29
  SPEAKER_02: Yes.
• 13:30
  SPEAKER_01: He will not waive the fee just because you buy a part from him.
• 13:32
  SPEAKER_02: Aaron Powell And he holds that line for a very ethical reason.
• 13:35
  SPEAKER_02: That diagnostic fee pays for his unbiased detective work.
• 13:39
  SPEAKER_01: Aaron Ross Powell Because when a service company offers to magically waive the diagnostic fee if you agree to a repair, they are instantly creating a massive conflict of interest.
• 13:48
  SPEAKER_02: Aaron Ross Powell Exactly.
• 13:50
  SPEAKER_02: The technician walking through your front door is no longer an objective investigator.
• 13:54
  SPEAKER_01: Right.
• 13:54
  SPEAKER_01: They have been transformed into a commissioned salesperson.
• 13:57
  SPEAKER_02: A salesperson who desperately needs to find a broken, expensive part in order to justify the time they just spent at your house.
• 14:03
  SPEAKER_01: Aaron Powell It makes me think of going to a doctor with a weird illness.
• 14:06
  SPEAKER_01: You would gladly pay a specialist doctor a consulting fee for a thorough examination, a blood test, and an accurate diagnosis.
• 14:13
  SPEAKER_02: Aaron Ross Powell You would hope so, yeah.
• 14:15
  SPEAKER_01: But you would never want to be treated by a doctor who examines you for free, but then immediately tries to sell you a bag of random pills you do not need just to cover their time.
• 14:23
  SPEAKER_02: Aaron Powell The medical analogy is perfectly aligned with Dave's warnings about the HVAC industry.
• 14:28
  SPEAKER_02: He routinely sees the aftermath of technicians who blindly throw parts at a problem without understanding the underlying physics.
• 14:35
  SPEAKER_01: Aaron Powell It is just so wasteful.
• 14:36
  SPEAKER_02: It is.
• 14:37
  SPEAKER_02: A homeowner will be charged hundreds or even thousands of dollars to replace capacitors, electrical contactors, or sometimes they are even tricked into replacing their entire outdoor condensing unit.
• 14:49
  unknown: Oh man.
• 14:50
  SPEAKER_02: And the tragedy is that the real issue was just severe duct leakage in the attic all along.
• 14:55
  SPEAKER_02: The homeowner drains their savings account, and their house still feels like a wet gym sock the next day.
• 15:00
  SPEAKER_01: That is brutal.
• 15:01
  SPEAKER_01: I do have to wonder about the limits of fixing the airflow, though.
• 15:04
  SPEAKER_02: What do you mean?
• 15:06
  SPEAKER_01: Well, I am looking at Dave's approach, and while throwing parts at a problem is obviously bad, eventually these mechanical machines do just die of old age.
• 15:14
  SPEAKER_02: Oh, sure.
• 15:15
  SPEAKER_02: Nothing lasts forever.
• 15:17
  SPEAKER_01: Right.
• 15:17
  SPEAKER_01: So what happens when the detective work reveals that the system truly is beyond repair, and a homeowner is facing a massive expense?
• 15:25
  SPEAKER_02: Aaron Ross Powell Well, when a system reaches the end of its life, Dave shifts his process to providing detailed free estimates on new system installations.
• 15:33
  SPEAKER_02: But he still applies that same investigative mindset to the replacement process.
• 15:37
  SPEAKER_01: Aaron Powell He does not just hand them a catalog.
• 15:40
  SPEAKER_02: No, he looks at the entire picture of the house.
• 15:42
  SPEAKER_02: He investigates to see if a structural fix is more appropriate than a mechanical one.
• 15:47
  SPEAKER_01: Aaron Ross Powell Give me an example of that.
• 15:49
  SPEAKER_02: Aaron Powell Well, he points out that sometimes a thorough$2,000 duct sealing job in the attic can entirely fix a comfort issue that a rival company claimed would require a massive$9,000 total system replacement.
• 16:02
  SPEAKER_01: Aaron Powell Wow.
• 16:04
  SPEAKER_01: So looking at the whole picture means exploring all the viable paths for a specific property.
• 16:10
  SPEAKER_02: Aaron Ross Powell Exactly.
• 16:11
  SPEAKER_02: That might mean sealing existing ducts, installing a standard new high-efficiency system.
• 16:16
  SPEAKER_01: Aaron Powell Or even looking at other options Dave offers in Oklahoma, like geothermal heating and cooling, if the land in the home naturally support it.
• 16:23
  SPEAKER_02: Aaron Powell Right.
• 16:24
  SPEAKER_02: Geothermal is a great option in certain cases.
• 16:27
  SPEAKER_02: He treats the building as a unique environment with its own specific needs.
• 16:30
  SPEAKER_02: He completely refuses to use a one-size-fits-all approach.
• 16:34
  SPEAKER_00: Aaron Powell That is really refreshing.
• 16:36
  SPEAKER_02: But when it does come time to finance these major upgrades, Dave issues a very stark warning regarding the financial incentives that homeowners often rely on.
• 16:45
  SPEAKER_01: Ah, you were talking about the maze of government rebates and tax credits.
• 16:49
  SPEAKER_02: Yes.
• 16:50
  SPEAKER_02: The rebate system is incredibly volatile.
• 16:52
  SPEAKER_01: I can imagine.
• 16:53
  SPEAKER_02: Homeowners frequently read an article online and ask Dave about federal tax credits to help offset the massive cost of a new high-efficiency system.
• 17:01
  SPEAKER_02: Specifically, people ask a lot about the old federal tax credits known in the industry as the 25C and 25D credits.
• 17:08
  SPEAKER_01: Okay, the 25C and 25D.
• 17:10
  SPEAKER_02: Right.
• 17:11
  SPEAKER_02: And Dave has to be the bearer of bad news and make it abundantly clear that these specific credits expired completely on December 31st, 2025.
• 17:19
  SPEAKER_01: Oh wow.
• 17:20
  SPEAKER_02: The money is gone.
• 17:21
  SPEAKER_01: That is a terrifying trap for a homeowner who's trying to scrape together a budget for a major expense.
• 17:27
  SPEAKER_02: It really is.
• 17:28
  SPEAKER_01: You never want to authorize a huge project expecting a massive tax credit on the back end, only to find out from your accountant months later that you missed the federal deadline.
• 17:36
  SPEAKER_02: Aaron Powell No, that would be devastating.
• 17:38
  SPEAKER_02: Aaron Powell And the deeper issue is why these programs change so rapidly.
• 17:42
  SPEAKER_01: Aaron Powell Why do they?
• 17:43
  SPEAKER_02: Well, local utility providers frequently offer their own localized rebates because they want to incentivize high-efficiency units to lower the overall peak strain on the power grid during a heat wave.
• 17:54
  SPEAKER_01: Aaron Powell That makes sense.
• 17:55
  SPEAKER_02: But those utility budgets run out quickly.
• 17:57
  SPEAKER_02: So because the landscape of rebates is constantly shifting based on local energy economics, Dave maintains a very strict policy of never quoting rebate numbers blindly over the phone.
• 18:08
  SPEAKER_01: He will not just throw out a number to make a sale sound better.
• 18:10
  SPEAKER_02: Never.
• 18:11
  SPEAKER_02: Because a rebate that exists in one specific town might not exist for a house located just five miles down the road on a different power grid.
• 18:18
  SPEAKER_01: So it literally comes down to your exact zip code.
• 18:21
  SPEAKER_02: Exactly.
• 18:22
  SPEAKER_02: Dave prefers to tell the hard truth up front, do the specific research for your exact home address, and give you accurate numbers.
• 18:29
  SPEAKER_01: Matthew's so much trust.
• 18:31
  SPEAKER_02: He would rather lose a sale today than have a customer absolutely furious at tax time because they were promised money that simply does not exist.
• 18:38
  SPEAKER_02: It all comes back to the core philosophy of doing the actual mathematical work rather than just telling the customer whatever sounds pleasant in the moment.
• 18:46
  SPEAKER_01: That is such a solid way to run a business.
• 18:49
  SPEAKER_01: Well, we have covered everything from tropical mold to attic physics.
• 18:55
  SPEAKER_01: So let us distill this down for the person listening right now.
• 18:59
  SPEAKER_02: It is a lot of information to take in.
• 19:00
  SPEAKER_01: It is.
• 19:01
  SPEAKER_01: But Dave's ultimate takeaway is basically a call to change how we view our homes.
• 19:07
  SPEAKER_01: If you walk through your front door and smell that mustiness, do not just chase the smell.
• 19:12
  SPEAKER_02: Right.
• 19:13
  SPEAKER_02: Don't grab the air freshener or spray bleach on the baseboards and pretend the problem is magically solved.
• 19:19
  SPEAKER_01: You have to start treating your house as a breathing, interconnected system.
• 19:23
  SPEAKER_01: A failure up in the attic will absolutely manifest as a weird smell in the bedroom.
• 19:28
  SPEAKER_02: You really need to hire someone who looks at how the air moves through the entire structure.
• 19:33
  SPEAKER_01: And that commitment to truth, physics, and actual diagnostics is exactly how professionals like Dave survive in such a highly competitive industry.
• 19:42
  SPEAKER_01: I mean, he has maintained a 4.8 star rating across more than 300 Google reviews doing exactly this.
• 19:50
  SPEAKER_02: Which is incredibly hard to do in the service industry.
• 19:53
  SPEAKER_02: Homeowners ultimately respect an honest, calculated answer, even if it is not the cheap or easy answer they were hoping for.
• 20:00
  SPEAKER_01: It truly is the economics of knowing versus the danger of guessing.
• 20:04
  SPEAKER_02: Very well said.
• 20:05
  SPEAKER_01: And for those listening who want this level of honesty and diagnostic work for their own home, Dave can be reached at 405-375-4822, or you can find them online at HartsoulsheatAir.com for a free estimate.
• 20:19
  SPEAKER_02: Highly recommend checking them out if you are in Oklahoma.
• 20:22
  SPEAKER_01: For sure.
• 20:22
  SPEAKER_01: But before we wrap up this deep dive, I want to pivot to a broader concept.
• 20:26
  SPEAKER_02: Okay.
• 20:27
  SPEAKER_01: We have talked a lot about leaky houses today, but the trend in modern construction is going in the exact opposite direction.
• 20:34
  SPEAKER_02: Oh, I am so glad you brought this up.
• 20:36
  SPEAKER_02: I want to leave you, the listener, with a final thought to mull over regarding that exact trend.
• 20:41
  SPEAKER_00: What should they be thinking about?
• 20:43
  SPEAKER_02: Well, we spend incredible amounts of time and money constantly trying to upgrade our homes to be as energy efficient and tightly sealed as humanly possible.
• 20:51
  SPEAKER_01: Oh, absolutely.
• 20:52
  SPEAKER_01: We caulk every single window pane, we heavily weather strip every doorframe.
• 20:56
  SPEAKER_02: Right.
• 20:57
  SPEAKER_02: And we literally wrap the exterior of our newly built houses in advanced synthetic vapor barriers.
• 21:02
  SPEAKER_01: To keep all the air inside.
• 21:03
  SPEAKER_02: Exactly.
• 21:04
  SPEAKER_02: But as we artificially choke off the natural structural airflow in our homes, we have to ask a really difficult question.
• 21:11
  SPEAKER_02: Which is Are we accidentally creating brand new, highly pressurized airflow traps?
• 21:16
  SPEAKER_02: Are we effectively sealing ourselves inside sick, unbreathable buildings in the blind pursuit of a slightly lower monthly electric bill?
• 21:25
  SPEAKER_01: That is a genuinely terrifying thought.
• 21:27
  SPEAKER_02: It really makes you reconsider how we build things.
• 21:29
  SPEAKER_01: Because the very insulation and barriers we install to save money and save energy might be the exact mechanisms creating that musty smell in the hallway closet.
• 21:39
  SPEAKER_01: We could literally be suffocating our own houses.
• 21:42
  SPEAKER_02: It is the ultimate diagnostic puzzle for the next generation of building scientists.
• 21:46
  SPEAKER_01: Well, the next time you reach for that can of air freshener to cover up a weird smell, you might want to put it down, look up at your ceiling vents, and wonder what your house is trying to tell you.