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Customers rely on us to help select components, design complex systems, to manufacture, install, and maintain machinery and equipment. We offer our best advice through our blogs.

THG Corporation

The Hope Group is an authorized full-line Parker distributor featuring hydraulic, pneumatic, fluid connector, and sealing products for OEM and MRO applications.

Sorensen Systems is a designer/builder of custom systems providing clean water, renewable energy sources, and technologically advanced process systems for industry.

Hope Air Systems is an authorized distributor for Kaeser Compressor featuring energy efficient rotary screw compressors as well as a designer/builder of skid-mounted packaged compressed air systems.

Hope Service can dispatch its field service fleet of vehicles and experienced, factory-trained technicians to provide emergency and routine field service to its hydraulic, electrical, and compressed air systems customers.

The Hope Group owns and operates seven Parker Stores at its branch locations providing "while you wait" replacement of hose assemblies and immediate on-hand access to 3,000 Parker fluid connector parts.

The Hope Group provides 24 hour access to $150 million of Parker parts through its eCommerce website,, offering one or two-day shipping of all your hose & fittings, hydraulic, pneumatic, valve, and filtration needs.

iPower Distribution Group of New England provides supply chain consulting and implementation through streamlined procure-to-pay process, vendor managed inventory (VMI), Kanban, and in-plant buyer-planner services.


Hope Air Systems Home › Get Service From Us › Compressor Service

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Our Best Advice

Peter Rhoten   10 Worst Things You Can Do To Your Air Compressor
Peter Rhoten
Hope Air Systems

Ray-McCann   Monitoring Operational Conditions In The Palm Of Your Hand
Ray McCann
Fluid Power Specialist

mike-gardella   Sorensen Systems Designs Aerospace Fluid Control Test Stand
Mike Gardella
VP Engineering & Mfg

Donna-Tibbetts   One of Our Stores is Open 24 Hours a Day!
Donna Tibbetts
Operations & Service Mgr

doug-markham-ipower-new-england   When Should Materials be Stocked at Point of Use?
Doug Markham
President, iPower NE


Compressed Air

  • Air compressors
    • Rotary screw
    • Reciprocating
    • Oil-free
  • Dryers
    • Desiccant
    • Refrigerated
  • Condensate separation
  • Filtration/Filters
  • Installations

Hydraulic Systems

  • Hydraulic power units
  • Hydraulic manifolds
  • Trouble shooting
    • Onsite visits
    • Machine repair
  • Fluid analysis
    • Sample testing
    • Filtration options
  • Hydraulic Technology Center ™
    • Parker factory-trained
    • Design/Build services
    • Start-ups

Electrical Controls

  • Trouble shooting
    • Components
    • Systems
  • Installations
    • Design/Build
    • Start-ups

24/7 Emergency: 508-393-7660

Compressor Service

Industrial compressed air systems require periodic maintenance to operate at peak efficiency and to reduce costly downtime. Our team of experienced field service technicians will keep your equipment running at peak performance.

To schedule routine service, email our Service Desk at or call us at 508-351-1818,
8AM - 5PM Monday through Friday.

General/URGENT Repair:

Call 24 Hours

Description Rate/Hour
Light Industrial (50 hp & below), Installations, Fire Depts
Lubricated Screw and Reciprocating (60hp – 140hp)
Desiccant and Refrigerated Dryers (1000cfm and below)
Lubricated Screw and Reciprocating (150 hp and over)
Oil Free Compressors, Breathing Air Systems
Desiccant and Refrigerated Dryers (1000cfm and above)
High Pressure (350psi & above)
Hydraulic Field Service
Mileage Charge (per tech/per visit)
Zone I
Zone II
Zone III
Zone IV
Zone V

Waste & Cleaning Charges
Waste Oil/Contaminated Fluid Disposal
Contaminated Filter Element Disposal
Desiccant/Refrigerant Disposal
Miscellaneous Cleaning Items
Miscellaneous Electrical/Mechanical Supplies


For a complete explanation of rates, please Download/Print Rate Sheet




Customer Testimonials
Read what our customers say about Hope Air Systems Service.

Our Field Service Technicians Meet Our Customer Demands

Featuring authorized manufacturer’s components from Parker, Kaeser, GE, and other premium suppliers, Hope-Service is prepared to meet your immediate critical service requirements. Routine preventive maintenance for compressed air systems is available for Kaeser and all other major manufacturers. Our technicians are experienced with all compressed air components and systems including desiccant and refrigerated dryers, filters, airends, pumps, coolers, aftercoolers, and drains.

The Hope Group is also a Connector Technology Center, a Hydraulic Technology Center and a Pneumatic Technology Center for Parker, which means we can meet your motion and fluid control requirements for hydraulic hose assemblies, structural aluminum guarding, pneumatic cylinders, valves, and manifolds. And as part of its full field service capabilities, Hope-Service can respond to requests for service on electrical controls including trouble-shooting, installation, repair and replacement of systems.

For emergency, routine, and preventive maintenance services, call 508-351-1818. If it’s after hours, you will be directed to an Emergency after hour phone number.


THG Corporation
70 Bearfoot Road
Northborough, MA 01532

Phone: 508-393-7660 | Fax: 508-393-8203 | Email

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