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Florida generator guide

How to Read a Generator Install Quote Before the 'Extras' Ambush You

Updated October 23, 2026

Two companies come look at your house. Both quote the same Generac — same size, same brand, same gray box bolted to a pad out back. One bid lands a few thousand dollars under the other. So which one's the deal? Here's the thing: the generator itself is almost never where that gap lives. It hides in four things listed below the headline — the pad, your electrical panel, the gas line, and the permits — and the lower bid usually didn't make those cheaper. It just left some of them off the page for you to find on install day.

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The generator is the part everybody compares — and the least interesting number on the page

The unit price is easy. You can look up a 22kW Generac or Kohler, see roughly what the box runs, and feel like you know the number. That's exactly why every bid shows it off up front. It's the one line you can check against the next guy.

But a box sitting in a warehouse isn't a working generator. It becomes one when it's anchored to the ground, wired into your house, fed fuel, and signed off by an inspector. All of that happens after the unit price. And all of it is where one quote quietly turns into a different quote than the one sitting next to it.

A homeowner on one install video read his bid out loud and summed it up better than any spec sheet: fifteen thousand dollars, and he still had to run his own gas line. A neighbor paid less for the same machine. The box was never the difference between them.

The pad looks like a slab of concrete. In Florida it comes with a signature.

Every standby generator sits on a pad so it's level, up off the wet ground, and bolted down. Simple enough. A plain poured pad is a small line item, a few hundred dollars of concrete.

Then there's where you live. In the coastal counties inside Florida's High Velocity Hurricane Zone — Miami-Dade and Broward — the state doesn't just want the generator strapped down. It wants a Florida-licensed engineer to stamp drawings proving the thing won't go cartwheeling down your street in a Category 4. That stamped wind-anchoring design is a real cost, and it's exactly the kind of line a lowball bid skips, because it stays invisible right up until the permit office asks for it.

So when one pad costs a couple hundred dollars and another runs past a thousand, that gap usually isn't the concrete. It's whether somebody already priced in the paperwork the county is going to demand either way.

The two line items that swing the price most: your panel and your gas line

Here are the two that actually move the number.

First, your electrical panel. A whole-home system needs a modern panel with room to run the transfer switch and carry the load. Plenty of older Florida houses are still on a smaller, tired panel, and if yours has to be replaced, that's one of the biggest adds on the entire job. One bid might assume your panel's fine. The next one actually opened the cover and looked. Same house, very different total.

Second, the gas line — and this is the one that ambushes people. A big standby unit at full tilt drinks a startling amount of fuel. If your gas meter can't push that much through, running the generator is like trying to fill a bathtub through a coffee stirrer. The fix isn't even the installer's to make — the gas utility has to come upsize your meter, that can take weeks, and it lands as a separate charge nobody put on the sticker. No natural gas at the house at all? Now you're pricing a propane tank in the yard, which is its own line.

And underneath all of it, permits. A Florida install usually needs more than one — electrical for the wiring, building for the pad, plus a gas or mechanical permit for the fuel line. One quote pulls and pays for those. Another leaves you to go stand in line at the county yourself. That handoff alone can be most of the gap between two bids.

How to read the quote so nothing jumps out at you later

So the move isn't to chase the lowest headline. It's to lay the bids side by side and ask the same thing of each one: does this include the pad and its engineering, the panel if mine needs it, the gas line and any meter work, and every permit? The cheapest bid is often just the one that answered 'no' to the most of those — and quietly moved the cost to a day you weren't braced for.

That whole back-and-forth is the reason GENERasic does it the other way around. You give us your address, and we come back with one committed installed price for your specific home — pad, panel, gas, permits, all of it already accounted for, not a unit price with a trail of 'extras' waiting behind it. The number you see is the number you pay.

Want to know what your actual all-in looks like? Get your price for your address, and set it next to anything else on your kitchen table.

Common questions

Why is one generator quote thousands cheaper than another for the same unit?

Because the machine is the same but the scope isn't. The gap is almost always in the pad and its engineering, a panel upgrade, the gas line and meter work, and the permits — the items below the headline. A lower bid usually left one or more of those off, so you end up paying for them later instead of up front.

Do I really have to run my own gas line?

Sometimes, if the quote didn't include it. A short run off an existing meter is cheap. A new run across the yard costs more, and if your gas meter can't deliver enough fuel for the generator, the utility has to upsize the meter or regulator — a separate job that can take weeks. Always ask whether the gas line and any meter work are inside the price.

Why does a whole-home generator need an electrical panel upgrade?

A whole-home system generally wants a 200-amp panel to run the transfer switch and loads safely. Many older Florida homes still have a smaller or aging panel, and replacing it is one of the biggest line items on the job. One bid may assume yours is fine without checking — which is a common reason two quotes split apart.

What permits does a generator install need in Florida?

Usually more than one: an electrical permit for the wiring, a building permit for the pad, and a gas or mechanical permit for the fuel line. In Miami-Dade and Broward — the High Velocity Hurricane Zone — you also need stamped engineering drawings for the wind anchoring. Check whether the quote pulls and pays for all of these, or hands them back to you.

Is a cheaper bid ever actually the better deal?

It can be — but only once you've confirmed it covers the same scope. Line the bids up and check each one for the pad and engineering, panel work, gas line and meter, and permits. If the cheap one skipped some of that, it isn't cheaper; it's just quieter about where the rest of the money shows up.

Sources

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