Rooftop Units in Sheboygan, WI
Rooftop Units in Sheboygan, WI
Commercial rooftop unit services in Sheboygan, WI address the unique demands of businesses along Lake Michigan: cold, snowy winters, humid summers, and seasonal wind loads. Proper installation, replacement, and maintenance of packaged rooftop HVAC systems keep retail stores, offices, and industrial facilities comfortable and code-compliant while protecting roof integrity and equipment life.

Why rooftop units matter for Sheboygan businesses
Rooftop units (RTUs) are a common, cost-effective solution for heating and cooling medium to large commercial buildings. In Sheboygan, units must withstand lake-effect weather patterns, salt-laden air in some locations, and substantial snow and ice. Correct rooftop mounting, curb adapters, and load design reduce energy waste, avoid premature corrosion, and prevent roof damage from poor weight distribution or water intrusion.
Common rooftop unit services in Sheboygan, WI
- Installation of packaged rooftop HVAC systems for new construction or additions
- Replacement and upgrade of aging RTUs to improve efficiency and meet code
- Rooftop mounting and custom curb adapter fabrication and installation
- Load calculation and zoning design to match building use and occupancy
- Seasonal maintenance and diagnostic inspections for winter and summer readiness
- Troubleshooting refrigerant leaks, control faults, and airflow issues
- Parts replacement, warranty administration, and documentation
Typical problems we see in Sheboygan
- Reduced heating capacity in winter from undersized or failing gas furnaces and heat exchangers
- Ice and condensate drain freezes during shoulder seasons causing water backups
- Corrosion of coils and fasteners in properties near the lakeshore or industrial zones
- Roof leaks where curb adapters or curb-to-unit seals failed after cycles of freeze and thaw
- Inadequate zoning leading to occupant complaints in multi-tenant retail or office buildings
- Wind uplift damage or improper anchoring in exposed industrial yards
Rooftop mounting and curb adapter considerations
Proper mounting and curb adapters are critical for a long-lasting rooftop unit installation:
- Verify roof structure and load capacity before selection — Sheboygan roofs often face heavy snow loads.
- Use curb adapters compatible with the roof membrane to prevent ponding and leaks.
- Install curb flashing and continuous seals that tolerate thermal cycling and UV exposure.
- Consider vibration isolators and flexible duct connections to protect the roof deck and interior finishes.
- Plan crane staging, roof access, permits, and local code compliance before lift day to avoid delays.
Load and zoning design for peak performance
Right-sizing and zoning reduce energy bills and increase comfort:
- Perform detailed load calculations that account for Sheboygan climate data, solar exposure from lake reflections, and internal loads from equipment.
- Use multiple RTUs or multi-zone rooftop systems for large retail centers and office buildings to isolate HVAC control by tenant or space usage.
- Employ economizers, demand-controlled ventilation, and staged compressors where feasible to improve efficiency in milder spring and fall conditions.
- Coordinate rooftop unit controls with building automation systems for optimized schedules and fault detection.
Safety and access requirements
Safety, access, and code compliance are non-negotiable for rooftop work:
- Ensure roof access via ladders, hatches, or stair enclosures that meet local building and OSHA safety standards.
- Provide rooftop walkways, handrails, and fall protection anchors when units require regular servicing.
- Plan lifts with licensed riggers and follow local permit requirements, including weight distribution and crane placement.
- Keep clear documentation of roof penetrations and penetrant flashing details for future service and warranty claims.
Seasonal maintenance and troubleshooting
Regular service keeps RTUs reliable through Sheboygan’s seasons:
- Spring cooling tune-up: clean coils, check refrigerant charge, inspect economizer operation, and verify condensate drainage.
- Fall heating tune-up: inspect gas train, heat exchanger, ignition controls, and flue connections for safe operation.
- Year-round checks: belts, pulleys, bearings, fan motors, filters, control boards, sensors, and seals.
- Troubleshoot common faults like short-cycling compressors, frozen coils, or erratic thermostat readings with a combination of diagnostic scans and field checks.
- Implement a documented preventive maintenance schedule to catch small issues before they become emergency repairs in extreme temperatures.
Parts, warranty, and documentation
- OEM warranties typically cover compressors, heat exchangers, and major components for defined periods; retain installation records and startup reports to preserve warranty rights.
- Keep a parts log with model and serial numbers, replacement history, and maintenance service dates to streamline future repairs and warranty claims.
- Consider stocking critical spare parts for high-use RTUs in retail or industrial settings to reduce downtime during peak business periods.
Service examples by building type
- Retail: A downtown Sheboygan storefront replaced a 20-year-old RTU with a new packaged unit sized for peak summer occupancy and upgraded the curb adapter, preventing recurrent leaks and improving energy performance during holiday foot traffic.
- Office: A multi-tenant office building implemented split zoning with two rooftop units and integrated controls, allowing after-hours setback schedules and reducing energy use during long winter nights.
- Industrial: A manufacturing facility installed heavy-duty rooftop units with enhanced filtration and corrosion-resistant coatings to handle particulate loads and salt exposure from nearby shipping operations.
Long-term benefits and maintenance advice
Investing in proper rooftop unit installation, replacement, and preventative maintenance extends equipment life, improves occupant comfort, lowers operating costs, and reduces emergency repairs during Sheboygan’s most extreme weather. Prioritize seasonal tune-ups, document all service activity, and address roof-mounted equipment access and sealing during any roof work. For buildings near the lake, consider corrosion-resistant components and more frequent coil inspections.
This overview equips facility managers and business owners in Sheboygan, WI to evaluate rooftop unit needs with confidence, weigh replacement versus repair, and plan maintenance that aligns with local climate challenges and building usage.
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



