Racine, WI Standby Generator Installation & Maintenance

Name: Roman Home Services
Address: 2220 S 114th St, West Allis, WI 53227, USA, West Allis, WI, 53227, US
Telephone: (414) 671-9935

Estimated Read Time: 11 minutes

Power outages are a fact of life in Southeast Wisconsin, from lake-effect snow to fast-moving summer storms. If you want a safe, automatic backup, you need to install a whole house generator transfer switch the right way. In this guide, we explain what it does, the safest installation steps, and how to stay code-compliant. Want a pro to handle it end to end? Roman Electric can help, often with same-day service and clear, upfront pricing.

What a Transfer Switch Does and Why It Matters

A transfer switch safely moves your home’s electrical load from utility power to generator power, then back again when power returns. It prevents dangerous backfeed into the grid, which can injure utility workers and damage equipment.

There are two main styles for homes:

Manual transfer switch, you choose the circuits to energize and flip the switch by hand during an outage.
Automatic transfer switch, detects a power loss, starts the generator, and transfers the load automatically.

For whole-house coverage, most homeowners choose an automatic transfer switch, often paired with a 200 amp service. Service-rated ATS units can serve as your main disconnect. Non-service-rated units are installed downstream of an existing main.

Pro tip: Match the ATS to your electrical service size, not just the generator size. A 200A service typically needs a 200A ATS for full-home coverage.

Safety and Code Basics You Cannot Ignore

Electrical safety and code compliance are non-negotiable. The National Electrical Code, NFPA 70, Article 702 covers optional standby systems. It requires transfer equipment that prevents parallel operation with the utility. In plain language, no backfeeding.

Key safety rules:

Use listed transfer equipment sized to the service.
Maintain proper grounding and bonding, including correct neutral switching when required by the generator and ATS design.
Follow manufacturer instructions for conductor sizing and overcurrent protection.
Respect working clearances and enclosure ratings.

Whole-house generators typically sit outdoors, away from doors and windows. This reduces carbon monoxide risk. Always follow local setbacks and ventilation guidelines. In our area, local permits and utility notifications are standard. A licensed installer keeps you compliant and safe.

Sizing Your Transfer Switch and Generator

Right-sizing is about more than watts. It is about service ampacity, starting loads, and total runtime needs.

Home service size: 100A, 150A, 200A, or larger. Your ATS should match this rating for whole-home coverage.
Generator capacity: Whole-house models commonly range from 8 to 60 kilowatts. Select capacity based on HVAC, sump pumps, refrigerator, medical devices, and any well or electric range.
Fuel supply: Natural gas or propane systems each have pressure and pipe-sizing requirements. Your installer must coordinate with the fuel utility or tank provider.

Load management can stretch your budget. Smart load-shedding modules prioritize HVAC or water heating, so a right-sized generator handles peak demand without oversizing.

Permits, Site Planning, and Local Considerations

In Greater Milwaukee, you should expect permits, inspections, and a utility coordination step. A professional team will confirm:

Property line setbacks and distance from openings to reduce exhaust concerns.
Flood and drift concerns near Lake Michigan, including winter snow load and spring thaw drainage.
Gas meter capacity or propane tank size, regulator placement, and approved materials for gas piping.
Conductor routes, trenching if needed, and location for the ATS near the service equipment.

Roman Electric handles this process turn-key. Our certified electricians and gas piping experts coordinate with the inspector and the utility, which keeps your project on schedule and compliant.

The Professional Installation Process, Step by Step

Here is how a typical whole-house ATS and generator installation flows when you hire a pro:

Site survey, verify service size, panel condition, grounding, and gas supply.
Engineering and permits, select ATS rating, generator size, and fuel type. Submit drawings as required.
Prep and placement, set the generator on a level pad. Confirm clearances and secure the housing.
Electrical rough-in, mount the ATS, route conduit, pull conductors, and label circuits.
Gas piping, size and install approved piping, regulators, and connections. Pressure test for leaks.
Terminations, land feeders, control wiring, and communication cables. Verify torque specs and labeling.
Startup and testing, simulate utility loss, confirm auto-start, transfer timing, and voltage stability.
Final inspection and owner handoff, explain operations, maintenance intervals, and warranty details.

This sequence protects your home, your warranty, and your investment. It also gives you a predictable schedule from order to final sign-off.

Gas, Location, and Noise Considerations

Natural gas offers continuous fuel, while propane is ideal for rural lots. Each fuel demands correct regulator stages and pipe sizing. Your installer must verify available BTU capacity with the gas utility or tank supplier.

Placement matters. Keep the generator above grade, away from downspouts, and clear of drifting snow. Maintain space for service access. Choose a location that respects neighbors and noise ordinances, and consider simple landscaping to soften sound.

Exhaust and intake must remain unobstructed year-round. Never install a generator in a garage or enclosed area. The safest solution lives outdoors with proper clearances, anchoring, and weather protection.

Testing and Maintenance for Long-Term Reliability

Your transfer switch is the traffic cop of your backup system. Keeping it clean and functional is critical. At minimum, test your system under load annually.

Roman Home Services offers a Generator Protection Plan with a clear checklist:

Visual check, inspect casing, chassis, and connections for damage, rust, and leaks. Confirm stability.
Exterior cleaning, wipe the housing with rust preventative and clear intakes and exhaust areas.
Fluid check, verify coolant levels on liquid-cooled models, complete oil change, and inspect for drips.
Annual parts replacement, replace the oil filter and spark plugs.
Functional check, battery load test, electrical conductance test, auto mode, and transfer switch test.

Important note, the annual maintenance plan does not cover battery replacement costs. Maintenance also supports manufacturer compliance and warranty protection, and it reveals small issues before they become major repairs.

Common Mistakes to Avoid

Even handy homeowners can run into trouble with transfer switches. The big pitfalls include:

Using an interlock or backfeed cord that is not listed or approved, this can be illegal and dangerous.
Mismatching ATS rating to service size, causes overheating risk and inspection failure.
Poor neutral and ground practices, leads to nuisance trips or shock hazards.
Undersized gas piping, causes hard starting, surging, and premature wear.
Skipping permits and inspections, leads to fines, utility refusal, and insurance issues.

A licensed, insured installer avoids these traps and documents everything for your records.

Cost, Timeline, and What Affects Your Price

Your final price reflects equipment, site conditions, and fuel complexity. Key variables:

ATS type and rating, service-rated ATS units often cost more but can replace a separate main.
Generator capacity, 8 kW to 60 kW models vary widely in cost and slab requirements.
Gas routing, trenching, meter upsizing, or propane tank work.
Panel upgrades, surge protection, and load management accessories.
Permits and inspections, timeline depends on municipality and utility response.

Most home installations complete within a couple of weeks once permits are approved. With Roman Electric, you get clear, upfront pricing and the option to bundle ongoing maintenance. Members in our protection plan receive service discounts that keep lifetime ownership costs in check.

DIY vs Hiring a Pro in Wisconsin

A transfer switch touches the most critical systems in your home. It is not just a plug-in accessory. Professional installers follow NEC Article 702, local amendments, and manufacturer instructions. They also provide load calculations, gas sizing, and startup testing.

You may be able to choose locations, clear shrubs, or pour a pad if allowed by code. The rest should be handled by a licensed electrician who can also coordinate gas piping. Roman Electric delivers true turn-key service, which means one accountable team for electrical and fuel work.

Brands and Equipment You Can Trust

We carry and service leading manufacturers including Generac and Briggs & Stratton. These brands offer robust control boards, weather-resistant enclosures, and proven support networks. Pairing quality equipment with a correctly sized ATS gives you smooth transfers, lower maintenance, and long service life.

Our team will size your system to your budget and needs, from essential-circuits coverage to full-home protection with smart load management. We document settings and provide a clear handoff so you are confident on day one.

Local Reliability, Proven Results

Southeast Wisconsin weather can be tough. Customers choose whole-house systems to protect sump pumps, medical devices, refrigeration, and comfort. We have served this community since 1929. Same-day service, a money-back guarantee, and clean workmanship are part of every job. When the next outage hits, your transfer switch should do its job without a second thought.

Special Offers for Generator Owners

Special Offer: Save $25 on any generator service. Mention this blog when you call (414) 671-9935 or schedule at romanelectrichome.com.
Members save more: 10% off services and repairs, plus 5% off major equipment installations with our Whole-Home Protection Plan. One trip charge waived per year during normal hours. Restrictions may apply. Ask our team for details when you book.

What Homeowners Are Saying

"During that heavy rain our electric was out for close to eight hours... I’ve got a finished basement and would have lost everything if my two sump pumps with ½ hp motors hadn’t kept running. I just sat downstairs with the lights on watching TV during the storm. It was awesome!... I’m really thankful I had the generator. It’s a blessing."
–Ralph S., Generator Installation

"We decided to put in a whole house generator because my wife is on oxygen 24/7... When we had that storm here a few months ago a big pine tree fell across the wires and pulled them off the transformer. We were without power for over three days. ... They did a good job."
–Charlie C., Generator Installation

"Roman Electric came out and replaced our dead whole house generator. Nick and crew were very professional, efficient and precise about their work... Everything was setup and cleaned up before they left. I will definitely use them again for other projects and ongoing maintenance."
–Homeowner B., Generator Replacement

"Steven did an excellent job tuning up my home generator. He explained everything he was doing. I am very satisfied with his work and with Roman Electric."
–Steven M., Generator Maintenance

Frequently Asked Questions

Do I need a transfer switch for a whole-house generator?

Yes. NEC Article 702 requires transfer equipment that prevents backfeeding the utility. A listed transfer switch is the safest, code-compliant method for whole-home systems.

What size automatic transfer switch do I need?

Match the ATS to your service ampacity, often 200A for whole-home coverage. Your installer will confirm service size, load needs, and any load-shedding accessories.

How long does installation take?

Most projects complete in one to two weeks after permits and utility coordination. The on-site work typically takes a day or two, depending on gas piping and site conditions.

Can I use my existing propane tank or gas meter?

Often yes. Your installer will verify BTU capacity, regulator stages, and pipe sizing. Undersized gas supply can cause hard starts and performance issues.

How often should my system be serviced?

Annually. We perform visual, fluid, parts, and functional checks. Oil filter and spark plugs are replaced. Note, the plan does not include battery replacement costs.

Conclusion

Installing a whole house generator transfer switch safely protects your family, your home, and utility workers. Follow code, size equipment correctly, and test under load. For Milwaukee and nearby cities, choose a turn-key team that handles permits, gas piping, and startup.

Ready to power up with confidence? Call (414) 671-9935 or schedule at romanelectrichome.com. Mention this blog for $25 off any generator service.

Get Protected Today

Call now: (414) 671-9935
Schedule online: romanelectrichome.com
Limited-time bonus: $25 off any generator service when you mention this blog. Members save 10% on services and 5% on major equipment installs.

Service area: Milwaukee, Waukesha, Racine, West Allis, Wauwatosa, Brookfield, New Berlin, Menomonee Falls, Oak Creek, Franklin.

About Roman Electric Plumbing, Heating & Cooling, Inc.

Family-owned since 1929, Roman Home Services delivers trusted electrical, HVAC, and plumbing solutions across Greater Milwaukee. Our licensed, insured technicians provide same-day service, upfront pricing, and a money-back guarantee. For generators, we offer turn-key installation including gas piping, maintenance, and repairs. We carry leading brands like Generac and Briggs & Stratton, and back our work with clean, careful service and 24/7 availability.