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Commercial HVAC repair services are specialized solutions required to repair and maintain the HVAC systems of commercial space, offices, retail stores, hospitals, schools, and industrial facilities.

At Nexstar Mechanical Services Ltd, we offer commercial HVAC repair services, including diagnosing and fixing problems with the system, replacing broken or worn-out parts and providing regular tune-ups to prevent breakdowns and extend the lifespan of the equipment.

Our team in Winnipeg has the experience and expertise to ensure your HVAC systems stay in top condition. If your commercial building has system leaks, faulty thermostats, clogged filters, compressor failure, electrical issues, or refrigerant leaks, reach out to us to keep the systems running smoothly.

Common Issues with HVAC Systems


Dirty filters:

A dirty air filter can adversely impact the performance of a commercial HVAC system. You may need to change your filter depending on the local air quality. When selecting a filter, look for a up to eight MERV rating, which indicates the filter's ability to filter the air.


Dirty coils:

If the evaporator coil of your HVAC system’s heat pump or air conditioner is dirty, the efficiency of the unit will significantly reduce. Hire a trained service technician to clean the coils on indoor units like air conditioners.


Refrigerant leaks:

Refrigerant leaks are a common reason for service calls because your air conditioning will not work properly if the refrigerant levels are low. Refrigerant leaks can be caused by various factors, such as corrosion in the system's coils, loose fittings, and holes in refrigerant pipes.

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Duct leaks and dirty ductwork:

The ducts that carry warm or cool air throughout your commercial property need to be cleaned and inspected regularly to avoid leaks or dirt accumulation.


Clogged drain pipes and water leaks:

If your HVAC unit’s drains are clogged, you may experience leaks or musty odours. You can call a professional from Nexstar Mechanical Services Ltd in such a situation to help.


Pilot or ignition problems:

If you have a gas furnace, ignition problems can leave you without heat when you need it most or create a potentially dangerous situation. To avoid this issue, have regular service visits by our HVAC professionals, who can check the ignition component condition and look for other problems.


Thermostat issues:

Even the best thermostats can malfunction. If you're having trouble maintaining the correct temperature in your commercial space, a service call may identify thermostat sensor problems or other issues.


Tripping circuit breakers:

If you find yourself resetting ( two times maximum) the circuit breaker for your HVAC unit frequently, it is crucial to seek professional help immediately. This issue may be caused by the system overworking due to a dirty air filter or other underlying problems.


Blower motor running excessively:

If the blower motor continues to run even when the thermostat is set correctly, it could be due to a faulty relay. In this case, it is recommended to contact an HVAC technician for an evaluation.


Need more information? You can check our blogs or connect with us for a commercial HVAC repair service.

Commercial HVAC Repair Services Offered

Commercial HVAC systems help maintain a comfortable indoor environment for employees, customers, and visitors. However, these systems are subject to wear and tear over time and can develop problems requiring professional repair services. The commercial HVAC repair services we offer include:


  • Boiler repair: Commercial boilers are critical components of many HVAC systems. These boilers heat water or steam to generate heat for a building. Over time, boilers can develop leaks, malfunctions, or clogs, leading to inefficient heating and even system failures. Our skilled HVAC technicians can diagnose, and repair boiler problems to ensure reliable heating and optimal energy efficiency. If a new boiler is needed, our staff can recommend and install the new boiler system.

  • AC repair: Commercial air conditioning systems are designed to keep indoor spaces cool and comfortable during hot weather. However, like any mechanical system, these units can develop problems such as refrigerant leaks, compressor malfunctions, or electrical issues. Our team can diagnose and repair AC problems to keep indoor temperatures consistent and comfortable.

  • Hot water tank repair: Commercial hot water tanks are essential for providing hot water for restrooms, kitchens, and other facilities. Over time, hot water tanks can develop issues such as sediment buildup, leaks, or component failures, which can lead to inadequate hot water supply or system failures. We can identify and repair hot water tank issues to ensure optimal hot water supply and system longevity.

  • Clogged drain repair: Commercial HVAC systems use drains to remove condensate and other wastewater. However, these drains can become clogged due to sediment buildup, debris accumulation, or other factors, leading to water leaks or system malfunctions. Our experienced team can unclog HVAC system drains and install preventive measures to avoid future clogs.

  • PRV (pressure-reducing valve) repair: Commercial HVAC systems often require PRVs to regulate water pressure and prevent damage to the system. These valves can become damaged or malfunction, leading to water leaks or inadequate water pressure. We repair PRV issues to ensure optimal system performance and water pressure regulation.

Contact Us

Commercial HVAC services are essential for maintaining a comfortable, safe, and productive indoor environment. Our expert technicians at Nexstar Mechanical Services Ltd. can promptly diagnose and repair commercial HVAC problems to minimize downtime and prevent costly system failures. Reach out to us for HVAC repair services in Winnipeg.

Get Your Commercial HVAC System Repaired Today!

By partnering with us, businesses in Winnipeg can ensure their HVAC systems run efficiently, safely, and effectively.

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