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Transcript
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- Welcome to the deep dive ever, lost power and wished you had a solid backup. Happens to everyone. Right? Yeah. Well, today, we're looking at a solution.
- Yep. The Generac Guardian Series residential standby generators, specifically the, twenty, twenty two, 24, and the big one, the 26 kilowatt models. Exactly. And we've been, you know, digging through the official spec sheets from Generac. Loads of detail in there.
- Right. So our mission, really, is to pull out the key stuff from those sheets. Yeah. Help you get a clear picture of what these generators actually do, what features they have so you feel informed if you're thinking about backup power. Okay.
- So let's, get straight to the heart of it. Reliability. Generac talks a lot about their GeForce engine. What's the deal with that? Well, the key thing is it's not just some off the shelf engine they've repurposed.
- It's specifically designed for this job. Okay. What does that mean in practice? It means it's built for, like, long run times, tough conditions. They use things like plateau honed cylinder walls, plasma moly rings.
- It all helps you run cooler, use less oil, and, you know, last longer. So built for the long haul, basically. Pretty much. Think marathon runner versus sprinter. It's engineered for endurance.
- I also saw something called spiny look cast iron cylinder walls. Sounds tough. It is. It adds rigidity, strength Right. Makes the engine more durable over time.
- And then you've got electronic ignition, spark advance. Uh-huh. For starting reliably. Exactly. Yeah.
- Quick, dependable starts. You don't want it hesitating when the power cuts out. Definitely not. And keeping it running smoothly, lubrication's key. Right?
- Full pressure system. Yeah. The full pressure lubrication is vital. It ensures oil gets everywhere it needs to consistently, better performance, longer life. And the oil change interval seems long, two years or two hundred hours.
- It is. Yeah. Which is, really convenient, less maintenance hassle for the homeowner. And, crucially, there are safety shutdowns. Low oil pressure, high temp, the generator protects itself from damage.
- That's smart. Essential, really. Now what about the quality of the power itself? We have so many sensitive electronics now. True power technology.
- Right. True power. That's all about clean power. Low total harmonic distortion or THD. These have less than 5%.
- Okay. Less than 5% THD. Why is that important? Well, think of utility power as a smooth wave. High THD is like choppy water.
- Water. It can mess with computers, smart TVs, even modern HVC systems. The variable speed ones. Exactly. They need stable, clean power.
- So true power helps ensure the generator's output won't damage your expensive stuff. It's not just any power. It's good power. Got it. Good power.
- And, solid state frequency compensated voltage regulation sounds complex. It does, but the benefit is simple. Stable voltage. It keeps the electricity flow really steady, like, plus or minus 1%. Okay.
- So even when big appliances kick on, like an AC unit or fridge, the voltage doesn't dip wildly. It responds fast. Which helps motor start properly. Precisely. Maximizes the chance everything runs smoothly without, you know, tripping breakers or causing issues.
- That makes sense. And, if there are issues, it's good that it's a single service network through Generac dealers. Yeah. Simplifies things. No finger pointing between engine guys and generator guys.
- They seem to test these things rigorously. Oh, definitely. The specs mentioned prototype testing, NEMA standards, torsional tests, motor starting tests, the works. So they're trying to ensure it holds up. Right.
- And they're designed specifically to integrate with Generac's own transfer switches. It's meant to be a complete system. Okay. Solid core tech. What about the generator unit itself?
- Features like the revolving fuel design, what's the benefit there? That design basically makes the generator smaller, lighter, and more fuel efficient. Maybe around 25% more efficient than older designs. Lighter and more efficient is always good. Yep.
- Easier install, potentially lower fuel costs. And the skewed stator, does that relate back to the clean power? It does. Yeah. It's another design feature that helps smooth out the electrical waveform.
- So even cleaner power, safer for electronics. Okay. And, displaced phase excitation. Sounds like jargon. Yeah.
- A bit. But it basically gives the generator extra oomph for starting those big motors we talked about, air conditioners, pumps, that kind of thing. Right. That extra kick. Exactly.
- And that automatic voltage regulation we mentioned, it also protects against voltage spikes, kinda built in surge protection. Good to have. Now EPA certification. Some models have it for nonemergency use. What's that about?
- Yeah. The 22 kilowatt, 24 kilowatt, and 26 kilowatt models. Not the 20 kilowatt though. It means they meet stricter emission standards, which allows them to potentially be used in, like, demand response programs. Demand response, where the utility pays you.
- Sometimes. Yeah. If the utility needs extra capacity, they might draw power from participating generators, so that certification opens that door. Interesting. And they're all UL 2,200 listed?
- Yes. That's a key safety standard for standby generators, shows it's been tested and meets specific safety requirements. Okay. Let's, switch gears to the transfer switch, the brain of the operation. Right?
- Totally. Its main job is simple. Detect outage, switch to generator, utility back, switch back. Fully automatic. And they can go indoors or outdoors.
- NEMA three r. Yep. NEMA three r rated, weatherproof, gives you flexibility on where to install it, often near the main panel. And load management. Some have that built in.
- Yeah. Many do. Smart technology to prioritize power, making sure the essential circuits get juice if the generator can't power everything at once, so we can circle back to that. Okay. But first, how do you actually, you know, interact with the generator, the evolution controller?
- Right. The controller. It's designed to be pretty user friendly. Big illuminated buttons, UCO, manual, offer, easy to see the status. On the screen.
- Yep. A two line LCD, multilingual, shows history, maintenance reminders, error logs, up to 50 events, I think. And the buttons are sealed. Yeah. Raised buttons, sealed against weather.
- Makes sense for an outdoor unit. So it tells you what's happening. What about sensing the power? It does that constantly. It monitors utility voltage and generator voltage.
- It knows when the utility drops too low, usually around 65% Uh-huh. And when it's stable enough to switch back, around 80%. And there's a delay before it starts to avoid short flickers. Exactly. A utility interrupt delay.
- You can adjust it from, like, two seconds up to fifteen hundred seconds. Prevents nuisance starts during brief outages. Saves fuel, less noise. Smart. Does it manage the engine too?
- Warm up, cool down? It does. Automatic warm up and cool down cycles. Better for the engine's health and efficiency. And the exercise function, that runs it periodically.
- Right. You program it weekly, biweekly, monthly, runs for a short time, keeps everything lubricated, charged, ready to go. Plus, it gives you confidence that actually works. Like a self checkup. What about the starter battery?
- It's got a smart battery charger built in, charges only when needed, adjust based on temperature, works with standard lead acid or AGM batteries. Okay. And the controller also handles the main circuit breaker overload protection and the electronic governor, which keeps the frequency steady at 60 hertz. Got it. So the control is pretty comprehensive.
- What about the box itself, the enclosure? Sounds pretty rugged. They are. Weather protective, of course, but also sound attenuated, designed to keep noise down, and strong rated for winds up to a 150 milli hour. Wow.
- A 150 milli hour. Yeah. Hinged locking roof for access, lift out front panel too, makes service easier, and the paint is that durable epoxy finish. Uh-huh. And a quiet muffler.
- Yep. Enclosed critical grade muffler helps with noise and safety. Noise is a big factor for homeowners. And insulation. Mhmm.
- They can go quite close to the house. 18 inches? Sometimes. Yeah. The compact design helps, but big caveat, you have to follow local codes.
- Keep it clear of windows, doors, air intakes. Always check the rules. Right. Codes are key. And they include things like a flexible fuel line connector, integral sediment trap.
- Just makes the actual hookup a bit easier and safer. Okay. Now connectivity. Mobile linky, remote monitoring. Yeah.
- This is a really popular feature now. If you get a Wi Fi model, you can check your generator status on your phone, tablet, whatever. Are we getting anywhere? Pretty much. Yeah.
- See if it's running, check hours, maintenance status, battery level, even local weather. Real peace of mind. That does sound convenient. Knowing what's going on even if you're not home. Exactly.
- And there are cellular options too if Wi Fi isn't reliable or the generator is. Okay. Super useful. Let's get into the specific models then. Twenty, twenty two, 24, 26 kilowatts.
- What are the main differences we need to know? Well, the biggest one, obviously, is the power output, how many watts they can produce. Right. So for propane LP, it it goes from 20,000 watts or 20 kilowatts up to 26,000 watts for the 26 kilowatts. On natural gas, it's a bit less 18 kilowatts up to about 22.5 kilowatts.
- And that directly impacts what you can run-in the house. Exactly. More kilowatt means you can power more circuits or bigger appliances simultaneously during an outage. And the amps they handle change too. Yep.
- Follows the power. The rated continuous load current at 240 volts increases with kilowatt, Goes from around 83 amps on LP for the 20 kilowatt up to about a 108 amps for the 26 kilowatt. Natural gas numbers are a bit lower. Okay. And the circuit breakers inside them are different sizes too?
- Right. 90 amps for the 20 kilowatts, a 100 amps for the twenty two and twenty four, and a 110 amps for the 26 kilowatt model. Matches the output capability. So higher kiloDove gives more capacity. Any other major differences?
- Weight, size. Weight goes up slightly with power as you'd expect. Fuel consumption also varies based on load and fuel type. One small thing, the 26 kilobyte model comes standard with a base fascia, that trim piece at the bottom. It's optional on the others.
- Oh. But the overall physical footprint, the size of the box is very similar across these models. Got it. So core features are similar. It's mainly about the power level.
- What about accessories? Lots of options listed. There are quite a few. Yeah. For cold weather, you've got battery warmers, oil warmers, even a breather warmer for really icy places.
- Helps ensure starts in the freezing cold. Essential in them climates. Totally. Then there's an auxiliary transfer switch contact kit, basically, for managing an extra big load. Yeah.
- The fascia base wrap kit we mentioned, if you want that finished look on the smaller models. Touch up paint, maintenance kits. The maintenance kits have filters and plugs? Yeah. Filters, plugs.
- Note that oil isn't usually included in those kits, though. You buy that separately. Okay. What about fuel monitoring for propane? Oh, yeah.
- The Wi Fi or LTE, LP tank monitors. Really handy. Sends alerts to your phone when the tank gets low. Avoids running out unexpectedly. Nice.
- And smart management modules, SMMs. Right. SMMs. These are clever devices. They let the system intelligently manage large loads, like multiple AC units or electric dryers.
- It cycles them so overload the generator. So you might be able to use a slightly smaller generator. Potentially. Yeah. It optimizes the power usage.
- Really smart. Then you have MobileLINK cellular upgrades if needed, base plug kits. Oh, and a high altitude kit. For installations way up high. Yeah.
- Usually over 2,000 feet. Yeah. Adjust the engine for the thinner air. Important for performance and emissions. Okay.
- Lots of ways to customize. Let's circle back to the transfer switch details, especially the 200 amp ones. Load management. Yeah. The built in intelligence is pretty impressive.
- Some switches can manage up to four air conditioners directly. No extra hardware needed for those. Four ACs. Wow. Yeah.
- And then using those SMMs we just talked about, you can add control for up to eight more large, 240 volt loads. So it really coordinates the power flow? Definitely. They use reliable contacts electrically operated and mechanically held. The main breakers are rated for 80% continuous load robust contactors.
- And they're service entrance rated. Many are. Yeah. Means they can be installed as the main disconnect for the house. Dual coil designed for reliability works with copper or aluminum wire, special contacts to prevent sticking.
- They're built properly. And the same outdoor rating, NEMA three r Uh-huh. Ready for outdoor installation? What about the electrical specs? Voltage sensing levels?
- Standard, one one twenty two, 40 volt single phase. The voltage monitoring is usually set to pick up an outage around 80% of normal voltage and drop out, switch to generator around 65%. Okay. And when utility power comes back stable, there's usually about a thirteen second delay before it transfers back. Just ensures the grade is really stable, and their ETL or UL listed for safety.
- The specs also detail the wire sizes needed for installation. Right. Important for the electrician. Crucial. Yeah.
- Okay. So bringing it all together, it really seems like these Generac Guardian models, 20 kilowatt through 26 kilowatts, are a pretty complete package for home backup. I'd say so. Yeah. You've got the durable purpose built engine, the clean power technology, the smart controls, remote monitoring Uh-huh.
- Plus features designed for easier installation and quieter operation, and then all the accessories let you really tailor it in a comprehensive approach. It's clearly more than just a basic generator. It's an integrated system aimed at providing, well, peace of mind when the power goes out. That's the goal. Absolutely.
- It's an investment in keeping your home safe, comfortable, and functional no matter what the grid is doing. Well, this has been a really informative deep dive into these Generac Guardian. So a final thought for you, the listener. Think about that remote monitoring capability, knowing your home's power is secure even when you're away. What other systems in your home might benefit from that kind of proactive insight and control?
- Definitely something to chew on. Thanks for joining us on the deep dive.
