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Rely on Us

We provide services, installation, and repairs for a range of HVAC systems. From installing MUA units to maintenance services, our licensed technicians do it all.

Efficient Air Conditioner Repairs in Edmonton

Established in 1984, Demko Ventilation Services Ltd. has been providing professional heating and cooling system installations, maintenance, and repairs for residential and commercial clients. We understand the importance of having a comfortable living environment. Whether it’s cleaning the filters of the furnace or any air conditioner repairs, our professional Edmonton team can help you.

Certified and Licensed Technicians

At Demko Ventilation Services Ltd., we prioritize your safety. Our team of technicians has undergone different trainings and has certifications to ensure that you receive a professional service. We take pride in saving your time and money by offering the best advice and the best rate for each individual project. We also don’t charge for overtime services.

Our Specialities

Our team of experienced and licensed professionals specializes in

Installing make-up air units that can ventilate your workspace efficiently

Installing vacuum systems for auto-body shops

Providing preventative maintenance services that can save energy and money over time

Our Services

Demko Ventilation Services Ltd. is Edmonton’s commercial heating and cooling specialist, providing reliable installations and repairs as well as preventative maintenance programs designed to prevent problems before they occur. This helps you avoid downtime costs and loss of inventory. We offer services for a range of equipment, including


Heating Equipment

From installing hot water tanks to repairing your garage heaters, our team is experienced in servicing heating equipment. We’ll ensure you’re warm and comfortable during the cold winter months.


Cooling Equipment

Whether it’s repairing the thermostat of your air conditioner or servicing an ice machine, we can help you. We repair, install, and service a range of commercial and residential cooling equipment in Edmonton.


Ventilation Systems

Proper ventilation is essential for any home or commercial environment. We install, repair, and service ventilation systems like make-up air units.

preventative maintainance

Preventative Maintenance Services

Reduce the cost of repairs and increase the life-span of your equipment with regular maintenance services. We have monthly, quarterly, and bi-annual packages.

emergency services

Emergency Services

We provide 24/7 emergency services for your convenience. Contact us immediately for our help.


Why Choose Us?

Been in business for over 35 years – since 1984

Have certified, licensed technicians

Provide 24/7 emergency services

Professional Affiliations


Noisy Furnace?

We can fix any mechanical problem in your heating equipment.

Leaky Air Conditioner?

We’ll unclog the drain line of your cooling systems.

Holes in the MUA Unit?

Corrosion of metal parts can cause water leakage.

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