Two quotes for the same generator can be thousands apart. Almost always, the difference is in the installation lines. Use this page to read quotes side by side.
Lines you should see on a quote
| Item | What it covers | Why it varies |
|---|---|---|
| Generator | The unit itself | Size, air or liquid-cooled, brand |
| Transfer switch | Rated for your service, often 200 A | Whole-home or essentials |
| Load management | Modules for AC, dryer, pool, EV | How many big loads you have |
| Gas piping | Meter to generator, shutoff, sediment trap | Distance and pipe size |
| Meter upgrade | Larger gas meter if needed | Your total gas load |
| Electrical | Wire, conduit, panel connections | Distance, panel condition |
| Pad | Composite or concrete, raised if needed | Grade and flood exposure |
| Permits | Electrical and gas | Your city |
| Startup | Commissioning, registration, walkthrough | Usually included. Confirm. |
Houston-specific cost factors
Meters on opposite sides
Gas and electric meters are often far apart, which stretches one of the runs.
HOA screening
Some communities require landscaping or fencing around the unit.
Flood elevation
Raised platforms add cost but protect the investment.
Post-storm demand
Prices and wait times can climb after big outages.
How to compare quotes
- Same size, same coverageOtherwise you’re comparing different projects.
- Check what’s includedPermits, meter coordination, pad and startup.
- Ask for the load calculationEvery installer should have one.
- Compare warranty and serviceWho fixes it, and how fast after a storm?
- Check licensingElectrical and gas work both need it.
Overall, most turnkey projects land between $10,000 and $25,000. See the cost overview or the installation process.
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Common questions
Why do quotes vary so much?
Different sizes, switch types, number of load modules, gas pipe length, and whether meter upgrades, panel work and permits are included. Compare itemized quotes line by line.
Does the gas utility charge for a meter upgrade?
Policies vary and change. Ask your installer whether you need one and whether any utility charges are in the quote.