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Big houses and small businesses · Generac Protector · model XG03025

Generac 30kW Protector Standby Generator

Thirty kilowatts, liquid-cooled.

Estates, small restaurants, dental offices. Runs cooler and quieter, built for the long haul. When the outage is three days, this is the engine you want out there.

Financing through Synchrony and others. How that works →

Generac Protector 30kW liquid-cooled standby generator in the aluminum enclosure
Generac XG0302530kW · liquid-cooled
Generac logo

Generac Prestige DealerGenerac's highest dealer designation. We sell, install and service Generac home standby generators.

Generac generators
Storm-Ready install package

$2,000 off a generator install. While supplies last.

It only comes off the units on our floor, so when they're gone, it's gone. New air-cooled Generac installs come with a free 10-year warranty, and financing is there if you want it. Permit timing depends on your city or county. The install itself is usually one day.

In a Houston home

What a 30kW runs. Big houses, three ACs, 400-amp service.

Liquid-cooled power for the biggest houses and small businesses: three or more air conditioners, a pool, an outdoor kitchen, two panels.

  • Three central AC units
  • Two electrical panels on 400-amp service
  • Pool pump, heater, outdoor kitchen
  • Electric range, dryer, water heater
  • Well pump, gates, EV charger, guest house

These are typical loads for this size with gas appliances and Houston-size air conditioning. Your panel, your AC tonnage and what you want on during an outage decide it. Five taps on the calculator gets you a recommended size; the free sizing visit makes it exact.

Is this the one?

For the estate, the restaurant, the practice.

A big load and a long outage. The 30 runs cool, quiet, and all week if it has to.

Built for
5,000 sq ft and up

Or a restaurant, clinic, or dental office.

Keeps running
All of it

Multiple ACs, walk-in coolers, well pumps, the kitchen line. Nothing turns off.

When the power goes out
On in about 10 seconds

Senses the outage, starts itself, switches the house over. Hands it back when CenterPoint returns.

  • Pick it if: a large home with a lot of AC, or a small business where a dark day is a lost day.
  • Step up if: elevators, a big well pump, or a building on three-phase service. Look at the 32 or the 40.

Not sure? Five taps on the calculator gets you a size, or call and we'll size it on the phone.

What you're getting

In plain English.

Generac's spec sheet has a lot of words on it. This is what they mean for you.

01

It turns itself on.

Power goes out, it senses it, starts, and switches everything over in about ten seconds. Power comes back, it hands it back. Nobody has to be there.

02

A car-style engine, built to run for days.

Liquid-cooled, like the engine in your truck. It runs cooler, quieter, and longer than an air-cooled unit, which is why this is what goes in when the load is big or the outage might be long.

03

Quieter than the size suggests.

A sound-attenuated enclosure and a slower-turning engine. Neighbors, patients, and diners notice less than you'd think.

04

It runs on natural gas or propane.

The gas line you already have, or a tank. No diesel deliveries, no fuel going stale.

05

Single-phase or three-phase.

We match the unit to the service your building already has. You don't need to know which. We look at the meter.

06

You can watch it from your phone.

Mobile Link app. Cellular built in with Wi-Fi backup. Status, run history, and service alerts from anywhere, and the servicing dealer can see faults early.

On the job

Wired installs, around Houston.

Real photos of our installs around Houston and Tomball: the unit set on its pad, the transfer switch and gas line run, and the startup test before we leave. The unit in a photo may be a different size than this one.

Generac Protector liquid-cooled standby generator
Generac Protector 30 kW liquid-cooled
Generac Protector liquid-cooled unit installed on a concrete pad
Generac Protector liquid-cooled unit installed on a concrete pad
Generac units crated on our lot, ready to go out
Generac units crated on our lot, ready to go out
Crated Generac standby generators in our yard
Crated Generac standby generators in our yard
The numbers

For the people who want them.

Everything below is from Generac. Ask us if any of it needs explaining. That's what we're for.

Power30kW on natural gas · 30kW on propane
Electrical120/240 volts single-phase, or 208/240/480 three-phase, configurableComes in single-phase or three-phase. We match your service.
FuelNatural gas or propane, picked at the controllerRuns on the gas line already at the house. No gas cans.
Model numbers we stockXG03025AUAX · 120/240 V single-phase
XG03025CUAX · 208/240/480 V three-phase, configurableSame generator, different electrical service. We pick the one that matches your meter.
Transfer switchNot in the box. We match a Generac automatic transfer switch to your service as part of the install.
EngineGenerac 2.5-liter inline four-cylinder, liquid-cooled. Built for generator duty, with a 7-quart oil capacity.
CaseAluminum, sound-attenuated, on a galvanized base frame.Aluminum doesn't rust. That matters in Houston humidity.
Size66.6" long × 32.6" wide × 40.7" tall
Weight1,123 lb
WarrantyGenerac 5-year / 2,000-hour limited warranty
Phone appMobile Link app. Cellular built in with Wi-Fi backup. Status, run history, and service alerts from anywhere, and the servicing dealer can see faults early.
What it costs

No price tag on the website. Here's why, and how to get your number.

The unit is only part of it. The gas run, the pad, the transfer switch, and your panel change the number from one house to the next, so a price on a web page would be wrong for most people. Getting the real one is quick.

01 · Call

Two minutes on the phone

Tell us the size of the house and what you want to keep running. We'll tell you if the 30 is the one and what an install like yours usually involves.

Call (713) 467-1125
02 · Free visit

We come look, then quote it

We count your circuits, check the gas meter, and pick the spot. You get a written, itemized number. No allowances that turn into surprises.

Book the free visit
03 · Financing

Monthly, if you'd rather

Synchrony plans on generators and electrical work, and other lenders if Synchrony isn't the fit. We show you the options at the visit.

See the plans
How it gets installed

Free visit, permit, one day, lights back in ten seconds.

  1. Free sizing visit. We count your circuits, check your gas meter, and confirm the unit with you. No guessing.
  2. Permit. We pull it. About a week in Harris County.
  3. Install day. Pad, unit, gas line, transfer switch, startup. Usually one day.
  4. The transfer test. We throw the main with you standing there. Lights back in about ten seconds.
  5. Walkthrough. The app on your phone, the weekly test explained, our number on the unit.
Free estimate · open 24/7

Ask about the 30kW.

Tell us about the house and we'll tell you if the 30 is the right one, what the install involves, and what the payment options look like. No pressure, and the visit is free.

(713) 467-1125
13910 Alice Road, Tomball, Texas 77377
wired@wiredes.com · Open 24/7 · Showroom on Alice Road, come see the units

Rather see it first?

Some of these are on the showroom floor at 13910 Alice Road in Tomball. Come by, or call and we'll tell you what's out there right now.

Call (713) 467-1125
Our showroom

Find us in Tomball.

Wired Electrical & Generators
13910 Alice Road
Tomball, TX 77377

Call (713) 467-1125. Phones are open 24/7.

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