HVAC and Refrigeration

Cardinal Services Group was originally founded on providing service, repair and maintenance for Heating, Ventilation, Air Conditioning and Refrigeration systems. We specialize in systems designed for large and small commercial, industrial and institutional buildings. Whether it is routine scheduled inspections or an emergency service repair, Cardinal has the trained professionals on staff to handle any type of situation.

Value Proposition:

  • Provincially Certified Technicians for natural gas, propane, refrigeration and air conditioning systems.
  • In- House training facility to host factory authorized training seminars.
  • Service experience in packaged equipment, chillers, zone controlled systems, boilers, and large applications.
  • Full time dispatch and emergency response service. Service for walk-in and reach-in freezers, refrigeration units and ice machines.
  • Over-the-counter parts sales and in-house repair service.
  • Custom sheet metal fabrication.

Restaurant Food Equipment

Cardinal Services Group works in conjunction with major restaurant suppliers to provide installation, service and repairs to every imaginable piece of food preparation equipment found in every size restaurant, commercial and institutional kitchen.

Value Proposition:

  • Authorized service agent for Garland, Rational, Frymaster, Moyer Diebel ..
  • 24 hour dispatch
  • Fully stocked service trucks with internet access to manufacturers
  • Provincially Certified Technicians for natural gas, propane, refrigeration and air conditioning systems.
  • Service for walk-in and reach-in freezers, refrigeration units and ice machines.
  • On-site training facility for OEM's and customers

Parts Department

We carry thousands of parts from hundreds of manufacturers from simple knob replacements to all major components to support or HVACIR and food equipment. Trades personnel with a part number on hand can order parts and pick up at our will-call counter Monday through Friday 8am-5pm.

  • If its not in stock we will order it!
  • Rush shipments available.
Is your restaurant equipment under warranty? Cardinal is the authorized service agent for many major manufacturers.

Value Proposition:

  • 24 full-time Service Technicians, fully stocked, vans are warehouses on wheels with a wide variety of new and used parts at their fingertips.

Commercial heating, cooling, refrigeration and restaurant equipment services in Windsor, London, Sarnia and surrounding regions of South Western Ontario.

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Our Core Values

When Steve Vollmer started this company in 1986, he was committed to providing professional and reliable service.Today, Cardinal Services remains dedicated to those same principles that were founded over 30 years ago.

Excellent Customer Service

When comfort is paramount, Cardinal is there ready to respond to all your needs.

Trust and Responsibility

Cardinal offers more than just 24 hour service, It offers solutions.

Innovative Team Work

Our team of experienced professionals will help you to find the right solution for your business.

Quality and Integrity

Our commitment and dedication has earned the loyalty of many long term customers.

Our Planned Preventive Maintenance Programs Provide Value


A planned preventive maintenance program is the highest level of service available for your equipment. It offers regularly scheduled inspections and maintenance, preferred emergency response and guaranteed satisfaction.


All equipment needs periodic maintenance and is often a requirement to maintain factory warranties. Our program ensures factory recommended maintenance is performed in a timely manner.


We can customize your program to meet your equipment and budgetary needs.


As part of your preventive maintenance package, you will be notified of worn or defective parts. With your approval, we will replace these components before they cause ill-timed equipment breakdowns thus avoiding costly emergency service, after-hours charges or disruptions to your business.

Cardinal also offers service agreements for the commercial HVAC maintenance on the following systems:

  • Furnaces
  • Walk in coolers
  • Ice machines
  • Roof top units
  • Fans and exhaust systems
  • Refrigeration systems
  • Boilers
  • Pool Dehumidification

We’re agile and able.

Manufacturers set stringent guidelines for training and warranty repair and service to their equipment in order to qualify as an authorized service agent including minimum parts stocking and minimum response times. Cardinal Services Group is Southwestern Ontario’s authorized service agent for many manufacturers. With ongoing training and experience, new manufacturers are added regularly.

About Us

The Heating and Cooling Service and Repair Specialists

Owned and operated by Alysia Carter and Sanam Mehta, Cardinal Services Group Inc. has over 35 years of experience in the industry. With dedication to continual training and vigilance in exceeding our customer's expectations, we have earned a solid reputation as Southwestern Ontario's leading heating, cooling, refrigeration and restaurant equipment service and repair provider.

We currently provide mechanical services including HVAC, heating, cooling, refrigeration, plumbing, control systems and commercial kitchen appliances to customers in Windsor, London, Chatham, Sarnia and other surrounding regions of South Western Ontario.

24 Hour Service

A team of professionals who are there when you need them, Just call.
Service Line: 519-735-6666

We provide solutions

Walk in freezer problem? Cardinal can help
Dectron issues? Cardinal can help
Pool heater issues? Cardinal can help

Parts Department

We operate an 8000 square foot warehouse consisting of our head office, warehouse and manufacturing facility.


We can do heating, cooling and ventilation routine maintenance checks and emergency repairs while ensuring 100% customer satisfaction.

Personalized Business Solutions.

Our team of experienced professionals will help you to find the right solution for your heating and cooling needs for your business. To get a quote, please contact us at your convenience. We look forward to serving you!

Compliance Affiliations





Service available 24 hours 1-800-620-6843

Office Hours

Windsor Office Contact
Phone: 519-735-6666
Toll Free: 1-800-620-6843

London Office Contact
Phone: 519-735-6666
Toll Free: 1-800-620-6843

Start partnering today with Cardinal.