Air Compressor Service & Repair
Keep Your Compressed Air Systems Running at Peak Performance
JHFOSTER provides reliable, factory-grade air compressor service and repair across the Upper Midwest. Our expert technicians and in-stock inventory of OEM parts keep your operations running with minimal disruption. We can help with everything, including troubleshooting a system failure, scheduling preventive maintenance, or getting through unexpected downtime.
Diagnose. Repair. Optimize.
JHFOSTER delivers fast, accurate compressed air service for systems of all sizes and configurations. We troubleshoot and repair most major compressor brands. Our team of experts can even service brands we don’t sell directly.
To maximize efficiency, we offer both remote and on-site air compressor repair and service.
Our service capabilities cover:
- 24/7 emergency response,
- Preventive maintenance programs,
- Diagnostics and performance audits,
- System rebuilds and overhauls,
- On-site and mobile repairs, and
- Warranty-compliant servicing with OEM parts.
With over $4 million in genuine factory parts in stock, we reduce lead times and quickly return your system to optimal operating conditions.
Common Air Compressor Issues We Solve
Our certified service team regularly addresses the most critical air compressor problems affecting uptime and efficiency:
- Air Leaks: Excessive energy use from compromised seals, fittings, or hoses.
- Flow and Pressure Fluctuations: Caused by faulty regulators, clogged filters, or malfunctioning valves.
- Motor Failures: Issues such as overheating, blown fuses, and breaker trips.
- Thermal Shutdowns: Often the result of blocked ventilation, dirty oil separators, or lubrication loss.
- Oil Issues: Leaks, contamination, or inadequate lubrication affecting performance.
- Control Issues: Including suction and discharge valve issues leading to pressure instability.
For airflow and energy concerns, our Air Energy Audit Specialist works alongside our in-house mechanical engineer. They evaluate your system’s performance, recommend upgrades, and identify rebate opportunities.
Service for All Major Compressor Brands
We maintain and repair a wide range of commercial and industrial air compressor makes, including:
- Quincy
- Gardner Denver
- Sullair
- Kobelco
- Powerex
- Rietschle
- Ingersoll Rand
- Atlas Copco
- Champion
Our team services both units purchased through JHFOSTER and systems installed by other providers. Every air compressor repair is done to manufacturer standards.
We don’t take generic shortcuts or risk warranties.
Maintain Uptime With Equipment Rentals
Don’t let maintenance slow you down. JHFOSTER offers short- and long-term rental options to bridge the gap during repairs for:
- Rotary screw compressors,
- Blowers,
- Air dryers, and
- Electric vacuum pumps
Get the equipment you need to stay online while we restore your system.
Serving the Upper Midwest With Expert Support
We support customers across South Dakota, Minnesota, North Dakota, Iowa, Western Wisconsin, and surrounding areas through our regional service centers and mobile repair units. Our clients span a wide range of industries, including:
- Food and beverage processing
- Packaging
- Automotive manufacturing
- Electronics
- General industrial production
- Municipal and utility facilities
From small-shop piston compressors to large-scale industrial systems, our technicians understand the critical role that compressed air plays in your operations.
Why JHFOSTER?
- 80+ years of experience in industrial automation and compressed air.
- Factory-trained service techs across a five-state region.
- $4M+ parts inventory—most components available same-day.
- Backed by mechanical engineering expertise for complex diagnostics and system redesign.
- Trusted advisor for both day-to-day maintenance and long-term system performance.
- ASSE 6040 Medical Air Certification for Compressed Air and Vacuum Maintenance and Repair in Hospitals across our territory.
Request Air Compressor Service
Get fast, reliable service that keeps your compressed air systems operating efficiently.
FAQ’s
Yes. JHFOSTER provides around-the-clock emergency repairs across our service region.
Absolutely. We support most major brands and models regardless of where they were purchased.
Yes. We offer compressor, blower, dryer, and vacuum rentals to keep your operations running during repairs or maintenance.
Yes. We’ll customize a preventive maintenance plan based on your usage, environment, and equipment type.
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