Generator Installation in Wauwatosa, WI
Generator Installation in Wauwatosa, WI
When winter winds and summer storms knock out power in Wauwatosa, a properly sized standby generator protects your home, family, and property. Whole-home and standby generator installation in Wauwatosa, WI provides seamless automatic backup for critical systems like furnaces, sump pumps, refrigerators, medical equipment, and HVAC so you can avoid cold pipes, basement flooding, and food loss.

Why a standby generator matters in Wauwatosa
Wauwatosa experiences harsh winters with heavy snow and freezing temperatures, plus occasional severe summer storms that cause extended outages. Many local homes have basements and sump pumps that must run during heavy rain and thaw cycles. A standby generator that automatically starts when the grid fails protects against frozen pipes, water damage, and loss of heat or refrigeration. For households with medical devices or remote work needs, the uninterrupted power provided by a standby system is especially important.
Common backup power needs in local homes
- Whole-home protection including furnace, well or sump pump, refrigerator/freezer, lighting, and outlets
- Essential-circuit backup for medical equipment, security systems, and internet/communication equipment
- Partial-load solutions when budget or space limits whole-home installations
- Portable vs standby: portable units require manual setup and fueling while standby units start automatically and are hard-wired to your home
Load assessment and generator sizing
Sizing is the first technical step. A professional installer will:
- Review your electrical panel and list the circuits and appliances you want protected.
- Calculate running and starting (surge) loads — motors for HVAC, well pumps, and sump pumps draw extra power to start.
- Recommend whole-home or managed-load options based on your priorities and budget.
Accurate load assessment prevents undersizing (which can leave essential loads unpowered) and oversizing (which increases costs unnecessarily). In Wauwatosa homes, special attention is given to sump pumps and furnaces because of local flooding and cold-weather needs.
Fuel options: pros and cons for Wauwatosa
- Natural Gas: Common and convenient where available. Continuous fuel supply from the utility means no on-site refueling. May not be ideal if the outage is caused by a gas service interruption.
- Propane: Reliable and good for areas where natural gas service is not guaranteed. Requires an on-site tank sized to expected runtime; tanks must be installed to code for winter conditions.
- Diesel: Suitable for high-capacity needs and long runtimes. Requires secure, ventilated storage and winterizing considerations to avoid fuel gelling. Diesel systems are more common for larger properties or commercial applications.
Many Wauwatosa homeowners choose natural gas when available because of the convenience, while properties with a higher outage risk or without gas service often opt for propane with automatic switching.
Automatic transfer switch and safety
An Automatic Transfer Switch (ATS) is required for true standby operation. The ATS:
- Automatically senses a loss of utility power and starts the generator
- Transfers selected circuits from utility to generator power safely
- Is wired to prevent backfeed into the grid, protecting utility workers and complying with code
Installers will recommend either a whole-house ATS or a load-managed ATS that cycles less-critical circuits to match generator capacity. All ATS installations must meet local electrical code and utility interconnection requirements.
Site preparation and placement considerations
Site planning takes local ordinances, noise, safety, and aesthetics into account:
- Typical placement is on a concrete pad or vibration-absorbing mounting pad near the exterior wall, often near the gas service entry if using natural gas
- Minimum clearances from windows, doors, and property lines are required for ventilation and code compliance
- Noise reduction options and enclosures can be specified to minimize neighbor impact
- Propane tanks need secure placement and frost protection; diesel requires ventilated storage
In Wauwatosa neighborhoods, installers also consider HOA rules and driveway access for service vehicles.
Permitting, inspections, and utility coordination in Wauwatosa
Generator installations require permits and inspections from the City of Wauwatosa and coordination with the local utility (We Energies). Typical requirements include:
- Electrical permit and inspection for transfer switch and wiring
- Mechanical or fuel system permit for propane or diesel tanks and gas piping
- Utility interconnection paperwork and meter/utility notifications
- Final inspection and commissioning before long-term operation
Permit turnaround times can vary; expect permitting and utility approvals to add days to several weeks to the overall project timeline.
Typical installation steps and timeline
- Initial consultation and site survey including load assessment (1 appointment)
- Proposal and selection of equipment, fuel option, and ATS
- Permit submission and utility coordination (can take days to weeks)
- Site preparation: pad pouring, trenching for wiring/fueling, conduit work
- Equipment delivery and on-site installation: generator, ATS, fuel connections (1-3 days depending on complexity)
- Commissioning, load testing, and final inspection (1 day)A straightforward whole-home install often completes within a few days on-site after permits are approved. Complex sites or custom fuel work can extend the schedule.
Maintenance, testing, and service plans
Regular maintenance is essential for reliable performance:
- Scheduled service typically includes oil and filter changes, spark plug and air filter checks, battery inspection and replacement, coolant checks for liquid-cooled models, and fuel system checks
- Automatic exercise/run tests are recommended weekly to keep batteries charged and ensure reliability; many systems include programmable exercise routines
- Annual full-service inspections with load testing identify worn components and ensure code compliance
- Emergency response priority is often available for standby customers to restore service quickly after a failure
A preventive maintenance plan minimizes downtime and prolongs generator life, especially important in a region with long cold seasons.
Financing and warranty options
Homeowners commonly access:
- Financing plans through lenders or manufacturer-backed programs to spread installation costs over time
- Manufacturer warranties on the generator (parts and limited labor) typically ranging from a few years to longer coverage for premium models
- Optional extended service contracts or maintenance plans that cover scheduled maintenance and reduce surprise repair costs
Ask installers about warranty registration, what is covered, and typical exclusions such as fuel contamination or improper maintenance.
Maintenance Plan
SILVER PLAN (Heating & cooling packages
Our Silver Plan provides you with year-round, worry-free protection. The benefits include:
$129.95
/plan cost every 6 months
Inspection and cleaning of your system during service visits.
Next-day scheduling & 24-hour emergency service.
Full coverage for labor on repairs due to equipment failure.
15% Discount on all parts for repairs and upgrades.
15% Discount on additional system installation.

2
visits per year
1
year in duration
15%
discount on jobs
Cooling
Lubricate motors
Clean condensate line
Check fan belts
Check performance of system
Change filters
Check contactor points
Check evaporator air temperatures
Check pressure switches
Check wiring & connections
Clean condenser coil
Check refrigerant charge
Check temperature differential
Check operating pressures
Check evaporator coil
Check voltage and AMP draw
Heating
Lubricate motors
Check wiring & connections
Adjust controls if needed
Clean burners/flame sensor.
Adjust combustion air to burners
Check Ohms and amps of furnace
Check blower
Check heat exchanger for cracks (if accessible)
Change filters, standard pleated filters included
Check performance of system
Check air temperature rise
Check C.O. levels



