Our skilled pros will provide fast and adequate response

We’re an industrial duct cleaning company that has a long history of operating in Ajax and the nearby areas. Our trained and well-versed staff is available 7 days a week for all your needs and concerns. They are seasoned professionals with many years of experience under their belts. You can count on us to perform:

  • Thermostat testing
  • Leak detection
  • Compressor inspection
  • Heater & humidifier observation
  • Airflow evaluation
  • Air filters check-up
  • System checking for pest infestation
  • Electrical components assessment

We’ll boost the indoor air quality of your office

Reach out to our team at (647) 476-2711

Experience all the benefits of proper HVAC cleaning

Reduced energy consumption

Maintaining your HVAC system means paying less for electricity bills. When our specialists clean-up your system, we’ll optimize its operations and save your money.

Improved air quality

If your HVAC system lacks maintenance, it will negatively affect indoor air quality. We make sure your entire system is thoroughly clean and without harmful substances.

Longer lifetime

Well-maintained HVAC units have a prolonged lifespan. We will make sure to improve their performance and operations capacity so you can avoid repairs.

Better productivity

Better air quality means reduced allergies and sickness. This will improve your employees’ working conditions and increase productivity.

Experience a higher standard of industrial air duct cleaning in Ajax


Tried and true methods

Our team will first thoroughly inspect your system to detect potential problems and create a detailed and personalized plan of action.


Blast vacuuming

We use an advanced Truck-Vac system to thoroughly clean your HVAC system’s ducts without leaving dirt and debris for you to clean.


Experienced staff

Our company makes sure it sends only trained and qualified experts who are bonded, insured, and customer-oriented.


Air pressure clean-up

Our 8”-diameter suction hoses coupled with negative air pressure provide the strength necessary for proper vacuuming while keeping your vents intact.

Who provides detailed air duct cleaning services in the Greater Toronto Area
Toronto Residential Air Duct Cleaning _ How We Work _ Best in GTA

Detailed scrubbing

We use high-end scrubbing equipment to eliminate any excess dust and debris around the area.


Transparency & honest pricing

No surprises in terms of pricing. You can easily ask for a quote and know the exact cost of the services you need.


Committed to excellence

Our certified specialists will use all their skills combined with cutting-edge tools to provide you with the service you deserve.


Fast booking

All you need to do to receive an instantaneous free quote is to choose the date and time of your service and provide additional essential information.


Areas we serve

You can find us all around the Toronto region, including Toronto, Markham, Richmond Hill, Vaughan, and Newmarket.

We conduct commercial air duct cleaning for various properties

  • Commercial and industrial facilities, such as warehouses and others
  • Offices and office buildings (skyscrapers, low-rise, and ground floors)
  • Recently renovated buildings, ground floor buildings, houses, and flats
  • Residential buildings, townhouses, low-rise buildings, houses, apartments
  • Residential, public schools, primary, secondary schools, nurseries
  • Health facilities, long-term care buildings, homes for disabled people
  • Supermarkets, cafes, bars, department shops, restaurants
  • Buildings and real-estate, rental units, skyscrapers

Having a type of building or space that is not listed shouldn’t stop you from contacting us. We will do our best to find a solution for you.

We offer comprehensive solutions for commercial air duct cleaning

  • Industrial air duct cleaning
  • After renovation washing
  • Housing pipeline cleaning
  • Vent washing
  • Cleaning the vents in the air
  • Centralized vacuum
  • Dust cleaning during winter
  • Dust cleaning during summer
  • Carpet clean-up
  • Dryer vent washing

Book our industrial duct cleaning in Ajax quickly and easily!

Speak with our technicians at (647) 476-2711.

Frequently Asked Questions

Vacuum device is the most commonly used machine for commercial and industrial duct cleaning. It can easily eliminate dust and debris from heating and cooling vents. Using vacuum hoses and negative air pressure can improve its sucking power. That’s exactly what we do at Sem’s Duct Cleaning.

You should definitely do this if you want improved indoor air quality and a healthier environment. Minimizing harmful substances in the air means less chance for allergies, asthma, and respiratory infections.

For industrial air duct cleaning to be successful you should make sure that you eliminate the dust, dirt, allergens, and other harmful substances from your HVAC systems. This way you are making sure airflow is uninterrupted.

You should clean the vents once a month, and do a detailed clean-up twice a year. If you are not sure you did your commercial duct cleaning properly, give us a call and our specials will do a thorough check-up.

Since 1995, Sem’s Duct Cleaning has been providing comprehensive air duct cleaning services to private and public clients across Ajax and the Greater Toronto Area. Our insured and bonded team of competent specials will ensure your peace of mind. Reach out to our team for:

Call us or fill out a form today to get expert-based services . Whether your industrial property is located around Rotary Park or Lion’s Point, our prompt and meticulous team will make sure you get the professional and comprehensive service you deserve.

View our commercial service area

Give us a call to (647) 476-2711
or get an air duct cleaning quote online

Some of the services might not be available at all times. Please contact us for more information related to your specific HVAC cleaning needs.