Latest / Cool Talk with Hartzell's | Your HVAC Questions, Answered! / Why Emergency Heat Spikes Your Electric Bill

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Why Emergency Heat Spikes Your Electric Bill · Cool Talk with Hartzell's | Your HVAC Questions, Answered!

• 0:00
  SPEAKER_01: You walk out to the mailbox in mid-February, you tear open your electric bill and well, your jaw just hits the floor.
• 0:07
  SPEAKER_00: Oh yeah.
• 0:08
  SPEAKER_00: We have all been there.
• 0:09
  SPEAKER_01: Right.
• 0:10
  SPEAKER_01: I mean the total is triple what you expected.
• 0:14
  SPEAKER_01: You just stare at the paper in the freezing cold, racking your brain like what went wrong?
• 0:19
  SPEAKER_00: Exactly.
• 0:20
  SPEAKER_01: You haven't bought new appliances, you haven't left the windows open.
• 0:24
  SPEAKER_01: Inside your house, you know, it felt perfectly comfortable all month long.
• 0:27
  SPEAKER_01: It is literally the ultimate homeowner nightmare.
• 0:30
  SPEAKER_01: Just a massive homeowner nightmare, just a massive financial hit with zero warning.
• 0:34
  SPEAKER_00: It really is.
• 0:35
  SPEAKER_00: It is the silent budget killer.
• 0:38
  SPEAKER_00: That specific kind of shock sends people straight to the basement to glare at their ductwork, you know, convince someone is stealing their electricity.
• 0:46
  SPEAKER_01: Yeah, looking for a culprit.
• 0:47
  SPEAKER_00: Trevor Burrus, Jr.
• 0:47
  SPEAKER_00: But the culprit is usually sitting right there in the hallway, just hiding in plain sight.
• 0:52
  SPEAKER_01: Aaron Powell And today we are going to expose that culprit.
• 0:55
  SPEAKER_01: For this deep dive, we are pulling from a really fantastic set of field notes from Dave Hartzell.
• 0:59
  SPEAKER_00: He is a great source.
• 1:01
  SPEAKER_01: Yeah.
• 1:01
  SPEAKER_01: He's a master HVAC technician with 47 years in the trade.
• 1:05
  SPEAKER_01: He runs Hartzell's Heat and Air down in Kingfisher, Oklahoma.
• 1:09
  SPEAKER_00: Forty-seven years is a long time to be looking at broken heaters.
• 1:12
  SPEAKER_01: Right.
• 1:12
  SPEAKER_01: And when you have been crawling in attics and wiring thermostats since the 1970s, um, you've developed a pretty good eye for human error.
• 1:19
  SPEAKER_00: Aaron Ross Powell You really do.
• 1:21
  SPEAKER_00: I mean, you see generational shifts in the technology, but you see the exact same mistakes being made by the people actually using it.
• 1:27
  SPEAKER_01: Aaron Powell Which brings us to our mission today.
• 1:29
  SPEAKER_01: We are decoding one specific, incredibly misunderstood button on your thermostat that is likely responsible for these astronomical winter utility bills.
• 1:38
  SPEAKER_00: Oh, the dreaded button.
• 1:39
  SPEAKER_01: Yes.
• 1:40
  SPEAKER_01: We are looking directly at the setting labeled emergency heat or sometimes EM heat.
• 1:45
  SPEAKER_01: We are going to uncover the mechanics of what it actually does behind the drywall and what it absolutely does not do.
• 1:51
  SPEAKER_00: Right.
• 1:52
  SPEAKER_01: And how understanding the psychology of this one little label can save you an absolute fortune.
• 1:58
  SPEAKER_00: Exactly.
• 1:59
  SPEAKER_01: So where do we start?
• 2:00
  SPEAKER_00: Well, the field notes make a great point about how polarizing the setting is.
• 2:03
  SPEAKER_00: Most people fall into two camps.
• 2:05
  SPEAKER_01: Okay.
• 2:05
  SPEAKER_01: What are they?
• 2:06
  SPEAKER_00: They either treat it like a nuclear launch button and absolutely refuse to touch it, even when their system is literally ripping itself apart.
• 2:14
  SPEAKER_01: Right.
• 2:14
  SPEAKER_00: Or um they turn it on the very first night the temperature drops below freezing and just leave it running until April.
• 2:20
  SPEAKER_01: Let's start with that second group because Dave shares a story from his notes about a homeowner in Yukon, Oklahoma, who fell into this exact trap.
• 2:28
  SPEAKER_00: Right, the Yukon trap.
• 2:30
  SPEAKER_01: Yeah.
• 2:30
  SPEAKER_01: So this homeowner called him in February, dealing with that massive utility bill we just talked about.
• 2:35
  SPEAKER_01: The house was warm, but the bill was just devastating.
• 2:38
  SPEAKER_00: So what happened?
• 2:40
  SPEAKER_01: Dave asks them what their thermostat is set to.
• 2:43
  SPEAKER_01: And the homeowner confidently replies that they turned on the emergency heat.
• 2:47
  SPEAKER_00: Oh boy.
• 2:48
  SPEAKER_01: Their reasoning was simple.
• 2:50
  SPEAKER_01: It was bitterly cold outside, maybe a blizzard was rolling in, so they figured they needed the extreme cold weather setting.
• 2:56
  SPEAKER_00: You hear that logic and you can completely understand the thought process.
• 2:59
  SPEAKER_00: Like it makes sense on paper.
• 3:01
  SPEAKER_01: I will actually go a step further and defend the homeowner's logic here.
• 3:06
  SPEAKER_01: Think about how we interact with technology.
• 3:08
  SPEAKER_01: If it is an emergency, because the weather outside is life-threatening, why wouldn't you use the button labeled emergency?
• 3:14
  SPEAKER_00: That is a very fair point.
• 3:16
  SPEAKER_01: Right.
• 3:16
  SPEAKER_01: To anyone who doesn't hold an HVAC license, extreme weather is the emergency.
• 3:21
  SPEAKER_01: I always assumed it was like the turbo button on those old desktop computers.
• 3:25
  SPEAKER_01: You press it, and it just tells the system to work harder, run faster, and fight off the cold with everything it has.
• 3:30
  SPEAKER_00: That is the Yukon trap in a nutshell.
• 3:33
  SPEAKER_00: The fundamental misunderstanding is treating a mechanical override like a weather enhancement.
• 3:39
  SPEAKER_01: So it isn't a turbo button?
• 3:41
  SPEAKER_00: Not at all.
• 3:42
  SPEAKER_00: It does not make your primary heating system work harder.
• 3:45
  SPEAKER_00: In fact, well, it does the exact opposite.
• 3:49
  SPEAKER_00: We really need to look at the raw physics of what happens when you flip that switch to EM heat on a standard air source heat pump.
• 3:56
  SPEAKER_01: Walk us through the sequence of events.
• 3:58
  SPEAKER_01: When I flip that switch, what is the computer actually telling the equipment to do?
• 4:03
  SPEAKER_00: Well, you are sending a hard kill signal to the outdoor heat pump.
• 4:07
  SPEAKER_00: The outdoor unit just stops dead.
• 4:08
  SPEAKER_01: Wait, it just turns off?
• 4:10
  SPEAKER_00: Completely.
• 4:11
  SPEAKER_00: The fan stops turning, the compressor shuts down, and it does absolutely nothing.
• 4:16
  SPEAKER_00: Wow.
• 4:17
  SPEAKER_00: Instead, the system bypasses all of that and relies entirely on your backup electric heat strips, which are housed inside your indoor air handler.
• 4:26
  SPEAKER_01: Okay.
• 4:27
  SPEAKER_00: Yeah.
• 4:27
  SPEAKER_00: You are taking the highly engineered, super efficient machine sitting in your yard and turning it into a very expensive lawn ornament.
• 4:34
  SPEAKER_01: Aaron Powell For an audience that understands the basic thermodynamics of a heat pump, that sounds like a massive downgrade.
• 4:40
  SPEAKER_01: Because a heat pump's entire claim to fame is efficiency, right?
• 4:43
  SPEAKER_00: Exactly.
• 4:44
  SPEAKER_01: It uses refrigerant to absorb ambient heat from the outside air and move it inside.
• 4:50
  SPEAKER_01: It is just transferring thermal energy.
• 4:52
  SPEAKER_00: Aaron Powell Which is incredibly cheap to do.
• 4:54
  SPEAKER_00: Moving heat always requires a fraction of the energy compared to creating heat from scratch.
• 4:59
  SPEAKER_00: But those electric backup strips, they do not move heat.
• 5:02
  SPEAKER_01: Aaron Ross Powell They create it.
• 5:03
  SPEAKER_00: Yes.
• 5:04
  SPEAKER_00: They have to generate it using brute force electrical resistance.
• 5:08
  SPEAKER_00: If you have ever looked inside a cheap pop-up toaster and seen those glowing red wires, that is exactly what is inside your air handler, just on a massive industrial scale.
• 5:17
  SPEAKER_01: Aaron Powell So you are basically turning on a giant toaster hidden inside your ductwork.
• 5:21
  SPEAKER_00: Aaron Powell A giant toaster that pulls 10, 15, sometimes 20 kilowatts of power.
• 5:26
  SPEAKER_01: Aaron Powell That sounds really expensive.
• 5:28
  SPEAKER_00: It is.
• 5:29
  SPEAKER_00: The energy draw is colossal compared to the compressor on the heat pump.
• 5:33
  SPEAKER_00: So when you flip to Emerge Heat, thinking you're just giving your system a little winter boost, you have actually murdered your efficient heat transfer process.
• 5:42
  SPEAKER_01: Aaron Powell And handed the entire job over to a crude electrical resistor.
• 5:46
  SPEAKER_00: Aaron Powell Precisely.
• 5:47
  SPEAKER_00: If you let those strips run the house for weeks on end, you are going to see a terrifying utility bill.
• 5:52
  SPEAKER_01: Aaron Powell Knowing that the giant toaster is basically an incinerator for your money brings up a huge point of confusion for me.
• 5:58
  SPEAKER_00: What is that?
• 5:59
  SPEAKER_01: Aaron Powell If running those backup strips is so incredibly expensive, why does my thermostat sometimes light up and say aux heat all on its own?
• 6:08
  SPEAKER_01: Aaron Powell Because I have definitely woken up on a freezing morning, walked down the hall, and seen that AUX indicator lit up on the screen.
• 6:16
  SPEAKER_01: It feels like the thermostat is deciding to just bankrupt me automatically.
• 6:20
  SPEAKER_00: This is the alphabet soup of the HVAC world.
• 6:23
  SPEAKER_00: And separating AUX from EM heat is crucial for your peace of mind.
• 6:28
  SPEAKER_01: So they aren't the same thing.
• 6:29
  SPEAKER_00: Well, they use the exact same electric strips, but the operational logic is completely different.
• 6:34
  SPEAKER_00: AUX stands for auxiliary, and it is entirely automatic.
• 6:38
  SPEAKER_01: Break down the logic for us.
• 6:40
  SPEAKER_01: What triggers the computer to bring the toaster online automatically?
• 6:44
  SPEAKER_00: It really comes down to the heat pump's capacity.
• 6:46
  SPEAKER_00: When the temperature outside plummets, there is less ambient heat for the refrigerant to absorb.
• 6:51
  SPEAKER_01: Makes sense.
• 6:51
  SPEAKER_00: Right.
• 6:52
  SPEAKER_00: The heat pump is still running, still extracting heat, but it might only be able to keep your house at 65 degrees when you have the thermostat set to 70, the indoor temperature starts to slip.
• 7:03
  SPEAKER_01: Aaron Powell So the thermostat notices that drop.
• 7:05
  SPEAKER_00: Aaron Powell Exactly.
• 7:06
  SPEAKER_00: The thermostat's brain recognizes that the heat pump is losing ground, so it automatically brings those electric strips online to bridge the gap.
• 7:13
  SPEAKER_01: Aaron Powell It is essentially calling in a copilot.
• 7:15
  SPEAKER_01: Like if your heat pump is the main pilot flying the plane and you hit a massive headwind of freezing temperatures, the main pilot might struggle to keep the altitude steady.
• 7:23
  SPEAKER_00: Aaron Powell I love that analogy.
• 7:25
  SPEAKER_01: Yeah.
• 7:25
  SPEAKER_01: So the copilot, the aux heat, grabs the dual controls.
• 7:29
  SPEAKER_01: They work together.
• 7:30
  SPEAKER_01: The copilot provides that extra thrust to stabilize the temperature, but the main pilot never leaves the seat.
• 7:35
  SPEAKER_00: That is the perfect way to visualize it.
• 7:38
  SPEAKER_00: The outdoor unit keeps running and keeps doing the heavy lifting.
• 7:41
  SPEAKER_00: The strips are just making up the difference.
• 7:43
  SPEAKER_01: Aaron Powell And then what happens when it gets back to uh 70 degrees?
• 7:47
  SPEAKER_00: As soon as the house reaches 70 degrees, the thermostat dismisses the copilot and turns the strips off.
• 7:53
  SPEAKER_00: Now, if aux heat is the copilot stepping in temporarily to assist, EM heat is pulling the emergency eject lever on the main pilot.
• 8:03
  SPEAKER_01: Oh boy.
• 8:04
  SPEAKER_00: Yeah.
• 8:04
  SPEAKER_00: You blow the canopy off, eject your efficient heat pump into the stratosphere, and force the copilot to fly the entire journey alone.
• 8:12
  SPEAKER_01: Aaron Powell Which is terrifying for the copilot and just catastrophic for your bank account.
• 8:16
  SPEAKER_01: I mean the strips were designed for quick assists, not transcontinental flights.
• 8:20
  SPEAKER_00: Aaron Powell The physics of the equipment just aren't meant for it.
• 8:23
  SPEAKER_00: But there is another very specific, highly engineered reason you will see that aux light come on automatically.
• 8:30
  SPEAKER_00: And it involves the defrost cycle.
• 8:33
  SPEAKER_01: What is that?
• 8:34
  SPEAKER_00: This is a mechanical ballet that happens outside your house while you are sleeping.
• 8:38
  SPEAKER_01: Oh, this is fascinating because heat pumps naturally build up frost, right?
• 8:42
  SPEAKER_01: Like you are pulling heat out of already freezing air.
• 8:45
  SPEAKER_01: That causes condensation on the coils, and that condensation immediately turns into a block of ice.
• 8:51
  SPEAKER_00: Yes, absolutely.
• 8:52
  SPEAKER_00: If the system didn't manage that ice, the entire unit would suffocate.
• 8:55
  SPEAKER_00: Air wouldn't be able to pass through the fins.
• 8:57
  SPEAKER_01: Aaron Powell So it has to melt it somehow.
• 8:59
  SPEAKER_00: Right.
• 9:00
  SPEAKER_00: The heat pump has a built-in defense mechanism.
• 9:03
  SPEAKER_00: When it senses a certain amount of ice buildup, it triggers a defrost cycle.
• 9:07
  SPEAKER_00: It physically shifts a reversing valve inside the plumbing.
• 9:11
  SPEAKER_01: What does that do?
• 9:12
  SPEAKER_00: It momentarily switches itself into air conditioning mode.
• 9:15
  SPEAKER_01: It literally turns on the AC in the dead of winter.
• 9:18
  SPEAKER_01: That sounds crazy.
• 9:19
  SPEAKER_00: Just the outdoor portion.
• 9:20
  SPEAKER_01: Okay.
• 9:21
  SPEAKER_00: By reversing the flow of refrigerant, it takes the heat from inside your house and dumps it into the outdoor coils.
• 9:27
  SPEAKER_00: That hot gas melts the ice block in a matter of minutes.
• 9:30
  SPEAKER_01: Okay.
• 9:31
  SPEAKER_01: But there is an obvious problem here.
• 9:33
  SPEAKER_01: If it is running the air conditioning process to send heat outside, it means it is blowing freezing cold air through the vents into your living room.
• 9:41
  SPEAKER_00: Exactly.
• 9:42
  SPEAKER_00: And nobody wants a blast of 40-degree air hitting them while they are watching television in January.
• 9:47
  SPEAKER_01: But not at all.
• 9:48
  SPEAKER_00: Which is why the thermostat's computer is programmed to automatically turn on the aux heat strips during the defrost cycle.
• 9:54
  SPEAKER_00: The strips act as a thermal shield.
• 9:57
  SPEAKER_01: Oh, so they preheat the air?
• 9:58
  SPEAKER_00: Yes.
• 9:59
  SPEAKER_00: They heat up that freezing air before it ever reaches your vents.
• 10:02
  SPEAKER_00: You stay comfortable, the outdoor unit melts its ice shield, the reversing valve shifts back, the strips turn off, and everything returns to normal.
• 10:10
  SPEAKER_01: So if I am looking at my thermostat on a Tuesday morning and it says ox, I shouldn't panic.
• 10:21
  SPEAKER_00: Exactly.
• 10:21
  SPEAKER_01: It is either bridging a temperature gap or melting ice.
• 10:26
  SPEAKER_01: The vital difference is that EM heat is a manual choice.
• 10:30
  SPEAKER_01: You have to physically flip that switch or navigate to that menu.
• 10:33
  SPEAKER_00: And if you choose it simply because it is snowing outside, while you are voluntarily bypassing your most efficient equipment.
• 11:11
  SPEAKER_01: Right.
• 11:12
  SPEAKER_01: When is Dave Hartzell expecting us to use this setting?
• 11:14
  SPEAKER_00: Aaron Powell The field notes are very clear on this.
• 11:17
  SPEAKER_00: You use EM heat when the outdoor unit is suffering a mechanical failure.
• 11:21
  SPEAKER_00: We are talking about physical, tangible damage to the machine, not a weather event.
• 11:27
  SPEAKER_01: Got it.
• 11:27
  SPEAKER_00: You need to keep your family warm just long enough for a professional to arrive and fix the hardware.
• 11:32
  SPEAKER_01: So we are looking for actual physical trauma to the equipment.
• 11:36
  SPEAKER_00: Severe trauma.
• 11:37
  SPEAKER_00: The notes give some vivid examples.
• 11:39
  SPEAKER_00: Imagine a severe ice storm rolls through.
• 11:42
  SPEAKER_00: The weight snaps a massive oak tree limb and it crashes directly onto the top of your outdoor unit.
• 11:48
  SPEAKER_00: Ouch.
• 11:49
  SPEAKER_00: Yeah.
• 11:50
  SPEAKER_00: The metal casing is crushed, the fan blade is pinned against the coil.
• 11:55
  SPEAKER_00: If the thermostat calls for heat, that machine is going to try to turn on.
• 11:58
  SPEAKER_00: The motor will burn itself out trying to spin a trapped blade.
• 12:02
  SPEAKER_01: Okay, that is a legitimate emergency.
• 12:05
  SPEAKER_01: You need to amputate the outdoor unit from the system immediately.
• 12:08
  SPEAKER_00: You switch to EM heat.
• 12:10
  SPEAKER_00: The outdoor unit receives the kill signal and stays safely off.
• 12:13
  SPEAKER_00: But your family stays warm using the indoor toaster.
• 12:16
  SPEAKER_01: Aaron Powell That makes perfect sense.
• 12:18
  SPEAKER_01: Are there other examples?
• 12:19
  SPEAKER_00: Another scenario is a failed defrost board.
• 12:22
  SPEAKER_00: We just talked about how the system melts its own ice, but what if that sensor breaks?
• 12:26
  SPEAKER_01: I guess it just freezes over.
• 12:28
  SPEAKER_00: The unit will just keep running and building ice until it looks like a solid glacier sitting in your yard.
• 12:33
  SPEAKER_00: The ice will eventually crush the thin aluminum fins.
• 12:36
  SPEAKER_01: Aaron Powell And what about the sounds?
• 12:38
  SPEAKER_01: Dave mentions that sometimes you don't even need to see the damage, you can just hear it.
• 12:42
  SPEAKER_00: The sound of mechanical death.
• 12:45
  SPEAKER_00: If you step outside and hear violent metal on metal grinding or loud banging noises coming from the compressor.
• 12:52
  SPEAKER_01: That sounds awful.
• 12:53
  SPEAKER_00: It is.
• 12:54
  SPEAKER_00: That means internal components have broken loose and are tearing the machine apart from the inside.
• 12:58
  SPEAKER_00: You must stop it from running.
• 13:00
  SPEAKER_01: Aaron Powell It is worth mentioning here that Dave's company also offers geothermal heating and cooling as an option for his customers down in Oklahoma.
• 13:06
  SPEAKER_01: And while the outdoor equipment looks completely different, the logic of the thermostat remains identical.
• 13:11
  SPEAKER_00: That is a great point.
• 13:13
  SPEAKER_01: Yeah.
• 13:13
  SPEAKER_01: Geothermal systems utilize these same electric backup strips.
• 13:17
  SPEAKER_01: If you have a geothermal setup and the main ground loop goes down, like maybe the panel throws a loop pressure or flow alarm, you don't start messing with the plumbing.
• 13:26
  SPEAKER_00: No, definitely not.
• 13:27
  SPEAKER_01: You switch the thermostat to EM heat, let the strips take over, and call the technician.
• 13:32
  SPEAKER_00: The principle is universal across these systems.
• 13:35
  SPEAKER_00: Protect the primary machinery by forcing it off and survive on the backup.
• 13:39
  SPEAKER_01: Right.
• 13:40
  SPEAKER_00: But surviving on that backup introduces a completely different set of risks.
• 13:44
  SPEAKER_01: Aaron Powell This brings us to the safety protocols.
• 13:47
  SPEAKER_01: If we are shifting the entire heating load of the house onto this giant electrical toaster, we are dealing with immense amperage.
• 13:55
  SPEAKER_00: Immense.
• 13:56
  SPEAKER_01: Dave lays out some incredibly strict rules for what happens when you actually have to run emergency heat for an extended period.
• 14:02
  SPEAKER_00: The electrical demand is the biggest hazard.
• 14:04
  SPEAKER_00: Your house's electrical panel was designed to handle a certain amount of current.
• 14:08
  SPEAKER_01: Okay.
• 14:09
  SPEAKER_00: Because the heat strips pull such a massive load, often requiring their own dedicated heavy gauge wiring, they are highly susceptible to tripping the circuit breaker for your indoor air handler.
• 14:19
  SPEAKER_01: Aaron Powell Let's dive into the physics of that for a second.
• 14:21
  SPEAKER_01: If I'm running emergency heat because a tree crushed my outside unit, and suddenly the house goes dark and cold.
• 14:28
  SPEAKER_01: Right.
• 14:29
  SPEAKER_01: My immediate instinct is to march down to the basement, open the panel, and aggressively flip the breaker back on.
• 14:35
  SPEAKER_01: But Dave says that is a terrible idea.
• 14:39
  SPEAKER_00: You can reset a tripped breaker exactly one time.
• 14:42
  SPEAKER_01: Just one reset.
• 14:44
  SPEAKER_01: Why is the margin for error so razor thin?
• 14:47
  SPEAKER_00: Because of how a breaker fundamentally works.
• 14:50
  SPEAKER_00: It is a thermal or magnetic safety switch designed to prevent your house from catching fire.
• 14:54
  SPEAKER_01: That sounds important.
• 14:55
  SPEAKER_00: It is.
• 14:56
  SPEAKER_00: When the electrical load of those strips exceeds the rating of the circuit, the copper wires inside your walls physically begin to heat up.
• 15:04
  SPEAKER_01: So the breaker feels that.
• 15:06
  SPEAKER_00: Exactly.
• 15:06
  SPEAKER_00: The breaker feels that heat or that magnetic surge and violently snaps open to cut the power.
• 15:11
  SPEAKER_01: Aaron Powell It is stopping the thermal runaway.
• 15:14
  SPEAKER_00: Yes.
• 15:15
  SPEAKER_00: If you reset it once and the system runs fine, it might have just been a temporary voltage fluctuation.
• 15:21
  SPEAKER_00: But if it trips a second time, it means a hard short or a failing component is actively drawing dangerous amounts of current.
• 15:28
  SPEAKER_01: The copper is getting hot.
• 15:29
  SPEAKER_00: Really hot.
• 15:30
  SPEAKER_00: If you force that breaker back on a third or fourth time, you are overriding the safety mechanism.
• 15:36
  SPEAKER_00: The physical heat compounds.
• 15:38
  SPEAKER_00: The plastic sheathing wrapped around the copper wire starts to soften, melt, and eventually drip away.
• 15:44
  SPEAKER_01: Leaving live bare copper wire exposed directly to the dry wood framing inside your walls.
• 15:50
  SPEAKER_00: And that is how electrical fires start.
• 15:52
  SPEAKER_01: Wow.
• 15:52
  SPEAKER_00: So if it trips twice, you stop.
• 15:54
  SPEAKER_00: You do not force it.
• 15:55
  SPEAKER_00: You do not unscrew the panel on the air handler to poke around the high voltage connections.
• 15:59
  SPEAKER_00: You call a professional.
• 16:01
  SPEAKER_01: That makes perfect sense.
• 16:02
  SPEAKER_01: Respect the breaker.
• 16:03
  SPEAKER_01: Now, what about the smell test?
• 16:05
  SPEAKER_01: Dave's notes point out that just turning these strips on can cause a panic in the house based entirely on the odor coming out of the vents.
• 16:12
  SPEAKER_00: The odors tell a story, and you really need to know the difference between a harmless smell and a critical warning.
• 16:17
  SPEAKER_01: Aaron Powell What is the harmless one?
• 16:19
  SPEAKER_00: If it is November and it is the very first time the strips have activated all season, either through an automatic AUX cycle or manual EM heat, you're likely going to get a distinct dusty burning smell.
• 16:31
  SPEAKER_01: It smells exactly like dragging a space heater out of the garage after six months and turning it on.
• 16:36
  SPEAKER_00: That is exactly what is happening.
• 16:38
  SPEAKER_00: Those heating coils sit unused all summer long while the air conditioner blows air across them.
• 16:42
  SPEAKER_01: So they just get dirty.
• 16:44
  SPEAKER_00: Yeah.
• 16:44
  SPEAKER_00: They collect a fine layer of household dust, pet dander, and lint.
• 16:48
  SPEAKER_00: When they suddenly glow red hot, that organic matter instantly incinerates.
• 16:51
  SPEAKER_01: Aaron Powell But it is harmless.
• 16:53
  SPEAKER_00: Completely harmless.
• 16:54
  SPEAKER_00: The smell should dissipate in about 10 to 15 minutes once the coils are clean.
• 16:58
  SPEAKER_01: Aaron Powell But there is a different smell that Dave warns about, a smell that means you need to take immediate action.
• 17:03
  SPEAKER_00: The chemical smell.
• 17:05
  SPEAKER_00: If the odor doesn't fade, or if it specifically smells like acrid burning plastic, melting rubber, or ozone, that is a massive red flag.
• 17:13
  SPEAKER_01: So that is not just dust.
• 17:15
  SPEAKER_00: No, that is not dust burning.
• 17:16
  SPEAKER_00: That is the smell of wire insulation melting or a relay switch physically burning up on the circuit board.
• 17:22
  SPEAKER_01: Aaron Powell That sounds like an actual emergency.
• 17:25
  SPEAKER_00: If you smell that sharp electrical burning odor, you must shut the system off at the thermostat immediately.
• 17:30
  SPEAKER_00: Do not wait to see if it gets better.
• 17:32
  SPEAKER_00: Shut it down and call for emergency service.
• 17:34
  SPEAKER_01: Aaron Powell Okay, so let's say you navigate the emergency perfectly.
• 17:47
  SPEAKER_00: A perfect textbook scenario.
• 17:49
  SPEAKER_01: Right.
• 17:50
  SPEAKER_01: Dave arrives in his truck, he replaces the smashed fan blade, tests the outdoor unit, and everything is running flawlessly again.
• 17:57
  SPEAKER_01: What is the final agonizingly common trap that homeowners fall into after the hero drives away?
• 18:03
  SPEAKER_00: It is the psychological trap of relief.
• 18:05
  SPEAKER_01: What do you mean?
• 18:06
  SPEAKER_00: Well, the crisis is over, the house is warm, the noisy broken machine is fixed, and everyone just goes about their day.
• 18:13
  SPEAKER_00: But nobody remembers to walk back over to the thermostat and switch it out of EM heat back to regular heat.
• 18:19
  SPEAKER_01: Oh no.
• 18:20
  SPEAKER_01: The emergency is over, but the emergency setting is still engaged.
• 18:24
  SPEAKER_00: The outdoor unit is fully repaired and perfectly capable of heating the house efficiently, but the thermostat is still broadcasting that kill signal.
• 18:31
  SPEAKER_01: It is still forcing the system to bypass the heat pump and run the giant toaster.
• 18:35
  SPEAKER_00: Yes.
• 18:36
  SPEAKER_01: The pilot is fully recovered and sitting in the cockpit, but you have left the eject button pressed down.
• 18:41
  SPEAKER_00: And this happens constantly.
• 18:43
  SPEAKER_01: Now, the notes mention that Dave, being a veteran professional, has a strict personal protocol.
• 18:47
  SPEAKER_00: What does he do?
• 18:48
  SPEAKER_01: Before he ever hands over the invoice and leaves a house, he physically verifies that the thermostat is set back to normal heating mode.
• 18:56
  SPEAKER_00: That is good service.
• 18:57
  SPEAKER_01: It is.
• 18:58
  SPEAKER_01: But if you have a different technician do the work, or if your kids were playing with buttons while the repair was happening, the burden is on you to check.
• 19:05
  SPEAKER_00: Because if you forget, you are right back to the Yukon scenario.
• 19:08
  SPEAKER_00: You will run the resistance strips for a month and get demolished by your utility provider.
• 19:13
  SPEAKER_01: Aaron Powell And to truly contextualize why understanding the system is so vital, we have to look at the raw economics of making these mistakes.
• 19:20
  SPEAKER_00: Aaron Powell Right.
• 19:21
  SPEAKER_00: The financial hit.
• 19:22
  SPEAKER_01: Aaron Powell Bringing a professional out to your house is a significant investment.
• 19:26
  SPEAKER_00: Aaron Powell The field notes break down the actual pricing structure, which really puts things into perspective.
• 19:31
  SPEAKER_00: A standard weekday service call for Hartzell's Heat and Air is$210.
• 19:35
  SPEAKER_01: Aaron Powell So how is that broken down?
• 19:37
  SPEAKER_00: That consists of a$99 dispatch fee, simply to roll the truck to your driveway, plus a$111 diagnostic fee for Dave to open the panel and figure out what is wrong.
• 19:47
  SPEAKER_01: Aaron Powell And if your system decides to start grinding metal on a Saturday evening.
• 19:52
  SPEAKER_00: Oh, the stakes go up.
• 19:53
  SPEAKER_00: For nights and weekends, that standard service call jumps to$309.
• 19:57
  SPEAKER_01: Aaron Powell We also mentioned geothermal earlier.
• 20:00
  SPEAKER_00: Mm-hmm.
• 20:01
  SPEAKER_00: Those are complex systems.
• 20:02
  SPEAKER_00: How does that factor into the pricing?
• 20:04
  SPEAKER_01: Aaron Powell Geothermal requires highly specialized knowledge to troubleshoot the ground loops and heat exchangers.
• 20:09
  SPEAKER_01: So for those systems, Dave charges a flat diagnostic fee of$348 regardless of when you call them out.
• 20:15
  SPEAKER_00: Aaron Powell We are talking about serious money before the wrench even turns to fix apart.
• 20:20
  SPEAKER_00: You do not want to be paying a$200 diagnostic fee or doubling your monthly electric bill simply because you misinterpreted a two-word label on a piece of plastic mounted in your hallway.
• 20:30
  SPEAKER_01: It really emphasizes the value of understanding the equipment you own.
• 20:34
  SPEAKER_01: So let's synthesize everything we have uncovered today.
• 20:37
  SPEAKER_01: The core lesson is about respecting the hierarchy of your heating system.
• 20:42
  SPEAKER_01: EM heat is a drastic measure.
• 20:44
  SPEAKER_00: It really is.
• 20:45
  SPEAKER_01: It is a manual bypass designed specifically to amputate a physically broken outdoor unit from the rest of the system.
• 20:52
  SPEAKER_01: It is not a turbo button for chilly weather.
• 20:55
  SPEAKER_00: And you have to trust the automatic functions.
• 20:57
  SPEAKER_00: Seeing AUX light up on the screen is a sign of a healthy system.
• 21:01
  SPEAKER_01: It is doing its job.
• 21:02
  SPEAKER_00: Exactly.
• 21:03
  SPEAKER_00: It means the computer is properly managing a temperature deficit or executing a required defrost cycle.
• 21:08
  SPEAKER_00: The copilot is helping out.
• 21:10
  SPEAKER_01: Right.
• 21:11
  SPEAKER_01: But you only pull the EM heat eject lever when the machine is screaming with grinding noises, locked in an impenetrable block of ice, or crushed by falling debris.
• 21:20
  SPEAKER_00: And if you find yourself in that rare situation where you have to use it, respect the raw power of the electricity.
• 21:26
  SPEAKER_00: If the breaker trips, you get one reset.
• 21:29
  SPEAKER_00: One.
• 21:30
  SPEAKER_01: Just one.
• 21:31
  SPEAKER_00: If you smell melting plastic, shut it down completely.
• 21:34
  SPEAKER_00: And the moment the professional tells you the primary unit is fixed, your very first action should be walking to the wall and switching that setting back to normal.
• 21:42
  SPEAKER_00: Mastering that sequence will genuinely save you from hundreds, if not thousands, of dollars in unnecessary utility costs and entirely avoidable service calls.
• 21:52
  SPEAKER_01: Which leaves us with a lingering thought about how we interact with the spaces we live in.
• 21:57
  SPEAKER_01: We have spent this deep dive unpacking the massive disconnect between the phrase emergency heat and how human beings interpret the word emergency.
• 22:06
  SPEAKER_00: It is a big disconnect.
• 22:08
  SPEAKER_01: Huge.
• 22:08
  SPEAKER_01: To the mechanical engineer drafting the circuit board schematics, an emergency is a catastrophic hardware failure.
• 22:15
  SPEAKER_01: But to a family sitting in a living room watching the snow pile up outside, an emergency is simply being cold.
• 22:21
  SPEAKER_00: Yeah.
• 22:22
  SPEAKER_01: The language makes perfect clinical sense to the designer, but it sends a dangerously misleading message to the person actually paying the bills.
• 22:29
  SPEAKER_00: It is a profound failure of user interface design.
• 22:33
  SPEAKER_01: It really is.
• 22:34
  SPEAKER_01: So as you walk through your home this week, look at the interfaces around you.
• 22:38
  SPEAKER_01: How many other buttons, dials, or digital settings on the appliances you rely on every single day are you completely misinterpreting?
• 22:45
  SPEAKER_00: That is a scary thought.
• 22:47
  SPEAKER_01: What other silent budget killers might be hiding in plain sight, masquerading as helpful features, just waiting for you to press the wrong button?
• 22:55
  SPEAKER_01: Before you open that next envelope from the power company, take a good hard look at your thermostat.
• 23:00
  SPEAKER_01: Make sure your main pilot is still flying the plane.