Why the Pad Comes Before the Generator
We don't set a generator on bare dirt. It goes on a concrete generator pad, which keeps the unit level and off ground that stays saturated much of the year. Rain here runs heaviest from January through April, and August is the wettest single month at about 7.1 inches. Even May, the driest month, still gets around 3 inches.
Pad cost runs $50 to $75 per square foot, so the size of the slab drives the number. Ask for the pad priced as its own line, separate from the unit and the labor.
Wiring a Generator Into a House Built Around 1977
With a median build year of 1977, many of the homes we work in have electrical systems laid out long before anyone planned for a standby generator. Our first look is at what the existing panel has room for.
When the backup circuits don't fit, we add an electrical subpanel, and that work runs $500 to $2000. The range is wide because it depends on how much of the existing wiring has to be rerouted or upgraded to reach the new panel. We give you the figure after we've seen the panel, not before.
Leak Checks on the Fuel and Oil Side
Before the unit is called finished, we inspect every fuel line, oil line and connection for leaks. We also run the scheduled fuel-system leak test. A weeping fitting is much easier to fix now than after the first outage.
The Outage Test Before We Leave
We check the battery's condition and state of charge, because a weak battery is a common reason a standby unit fails to start. Then we interrupt utility power on purpose. The generator has to start on its own, and the transfer switch has to move your household loads onto standby power. You watch it happen, so you know it works before a storm tests it.
After that, the engine oil and oil filter get replaced at the service interval, and the battery gets checked again at those visits. Keep that schedule and the unit will still start the day you need it.
Our Process
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Tell Us What's Going On
Tell us what you're seeing and when it started — you'll get a straight answer, not a sales pitch.
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Free Inspection
We come out, measure what's actually happening, and walk you through what we find.
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Clear, Written Quote
We put the fix, the timeline, and the number on paper — take your time with it.
Depending on what we find, that can mean:
- With utility and generator power turned off, connect the utility supply, generator supply, load conductors, neutral, and ground to their designated transfer-switch terminals.
- Connect the generator start and utility-sensing circuits, then inspect the completed installation before functional testing.
Straight Answers to Common Questions
While any licensed electrician can technically handle basic wiring, it is highly recommended to hire a factory-certified technician. Installing a standby generator requires specialized knowledge of automatic transfer switches, fuel line plumbing, and manufacturer-specific startup testing. Using a certified installer also ensures your manufacturer warranty remains valid.
It is a complex job that requires professional installation. The process involves mounting a transfer switch close to the loads it serves, connecting utility and generator supplies to designated terminals, wiring start and sensing circuits, and pouring a concrete pad. Finally, technicians must manually test the switch and use meters to verify the generator's voltage and frequency output.
The total cost depends on your power needs and site conditions. A typical 20–24 kW standby generator unit costs between $5,000 and $6,500. Permanent installation labor ranges from $1,500 to $5,000, plus $1,200 to $1,600 for an automatic transfer switch. Additional costs include $50 to $75 per square foot for a concrete pad, $500 to $2,000 for an electrical subpanel, and $50 to $200 for permits.
Generally, a whole house generator is considered a capital home improvement rather than a direct tax deduction. While you cannot write it off on your yearly income taxes, the installation cost can be added to your home's tax basis, potentially reducing capital gains taxes when you sell your property. If medically necessary, it may qualify as a medical expense deduction.
Lowe's and Home Depot do not have flat installation rates; instead, they partner with local, licensed independent contractors who provide custom quotes. Your final price will depend on the generator size, the complexity of your electrical system, the distance to your fuel source, and local permitting fees.
Yes, municipal building departments require permits for installing a standby generator to ensure compliance with electrical, plumbing, and gas safety codes. A typical permit costs between $50 and $200. Professional installers usually handle the permitting process, ensuring the unit passes all local municipal inspections.
The primary disadvantages are the upfront purchase and installation costs, which require professional electrical and gas work. They also require ongoing maintenance, costing about $150 to $300 annually. Additionally, standby generators can be noisy during operation and self-testing cycles, and they must comply with strict local placement and setback regulations.
Our Service Area
We cover Panama City, FL. Call (850) 804-1867 to confirm coverage for your address.
The Facts Behind the Number
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Book a Free InspectionUpdated October 2026