• Multi-Entry Point System Check. Sem’s duct performs a thorough pre-check on your different system operations.
  • We Treat Your Home With Great Care. Drop sheets, moving blankets, corner guards, and registry covers are used when deemed necessary.
  • Full System Cleaning. At Sem’s duct cleaning service, we clean the Furnace Blower and the Blower Housing for better hygiene.
  • Dual Zone Cleaning. Sem’s duct cleaning service system cleans in “zones” using safe cleaning methods.
  • Professional Finishing. During a duct cleaning, we wipe down your furnace’s outsides and seal its access panels to provide convenient access for future use.


CALL US AT (647) 476-2711


Our Duct Cleaning Tech specialists will thoroughly inspect your Air Duct System before beginning the cleaning process. In Caledon, each home has its unique features; hence, you must invite our Sem’s Duct home or office tech specialist to evaluate the air duct’s problems. Doing this allows us to proceed with the most convenient method for cleaning your furnace and other utilities requiring duct cleaning.  Upon completing the inspection, your Sem’s Duct Cleaning tech specialist will thoroughly explain the processes involved in the cleaning process.

At Sem’s Duct Cleaning, we ensure the use of safe furnace and air duct cleaning methods while delivering the best services.

Our methods involve direct surface contact cleaning of the old-style brush cleaning and the safety of modern pneumatic cleaning systems.

We offer the best furnace cleaning methods to our prospective clients because we believe in providing top-notch services at no extra charge!

7 Signs That Hint At Cleaning Your Duct

An excellent method of improving air quality in your home is regular air duct cleaning, and if you are not sure if your home ducts need cleaning, here are some signs to look out for:

  • Dust and debris clogged vents & ducts
  • Clogged air filters
  • Ducts are releasing unpleasant odor
  • The presence of mold or mildew
  • Poor or unstable airflow in your house
  • Insects, rodents, and other vermin infestation in your air ducts
  • Strange and unusual noises in the ductwork

We are the Caledon duct cleaning company capable of showing you great results


The air in your home could be the cause of your constant illness

Currently, indoor air pollution is listed as the fourth greatest environmental threat.

Extend the durability of your equipment

There is a fan located in your air handler, and one of its uses is to maintain the temperature of the heat exchanger.

Improve your family’s health

Sem’s Duct Cleaning services, we will help you eliminate airborne contaminants, including bacteria, fungus, mold spores, pollen, and dander. Hence, removing all types of allergy and symptoms of asthma.

Reduction in the cost of energy

When about 0.42 inches of dirt build-up on a heating coil, its efficiency can reduce by 21%. However, a clean air conveyance system can be useful in increasing its efficiency and reducing heating and cooling costs.


Our services:

We operate in buildings:

  • Warehouses, Industrialbuilding & Commercial spaces

  • Business Offices: high rise, low rise and ground floor

  • Retail stores, Grocery stores, Restaurants, Coffee shops, Gym, Small production spaces & Manufacturing, Laundry

  • Medical buildings & Hospitals, Seniors homes, long term care facilities, retirement homes

  • Schools; Elementary, Secondary, Public, Private; Day-cares

  • Real estate buildings & holdings, high rises, rental properties

  • Townhouses, walk-ups, low rise, homes, condos, lofts, apartment building

  • Post-construction buildings, houses, apartments, condominium buildings

    *If your building isn’t found in this list, you can contact us immediately for us to start making preparations.

Why Trust Sem’s Duct Cleaning in Caledon For Cleaning your Air Ducts?

To meet the needs of our numerous clients, Sem’s Duct Cleaning employs professional technicians, personally picked from Caledon. With all pride, we assure you that our team members are professionally capable of using all equipment and other modern gear available in the workshop and market. Also, whenever you have questions, our professionals will be available to answer them.

Each time we are called for a cleaning job in Caledon, we ensure that our air duct cleaning services are perfect at the first attempt. Hence, we spend much time in preparation for the task ahead. While preparing, we ensure that all openings, doors, and windows are airtight for us to complete the air ductwork.

To suck out the debris in the ducts, we use our truck-based blast vacuum to create suction in the ducts. Using this methods, we can suck out all dirt, debris, and allergens quickly, eliminating all dirt in your home or office.

After sucking out the dirt, we use our 300psi scrubbing equipment to eliminate any leftover debris. Our professional equipment is powerful and can remove all remnants of debris without damaging or scratching the surface of the duct.

Immediately we conclude scrubbing the ducts, we begin air-washing all drops, filters, blower fans and other components of the air handler. We will also install a galvanized steel access panel on each vacuum hose opening before we leave. Sem’s Duct Cleaning service is known to be top-notch and will irrespective of the circumstance deliver quality work. You can contact us today for a free quote on your duct cleaning project in Caledon.

Duct Cleaning Process - main steps by Sem’s Duct Cleaning


Sem’s Duct Cleaning assures

each client of a cleaner and healthier air duct whenever they schedule a cleaning service with our professional cleaning team in Caledon.


Blast Vacuum

At Sem’s Duct Cleaning, we use a Truck-Vac system for our complete duct cleaning service. This process is a powerful method in the Greater Caledon Area, and it is great for completely sucking out every dust and mildew particle.


The Use of Skilled Workforce

Sem’s Duct Cleaning services offers only the best services to our clients. Hence, we hire the best and well-trained cleaning technicians to work on your air duct. With that, we guarantee our customer’s satisfaction on each cleaning project.


Adequate Planning and Preparation

Before we start the air duct cleaning process, our team devises a proper course of action. These plans include covering the floors, ensuring the durability of the doors and preparing your furniture to keep it in great condition and avoid dust encroachment.


Unavoidable Air Pressure

When cleaning, we use negative air pressure 8’ vacuum hoses, to ensure that our Truck-Vac pulls out every particle of debris in the duct into the Vacuum bed.

Duct Cleaning Process - main steps by Sem’s Duct Cleaning


Scrub Clean

Vacuums aren’t our only tools, we also use a 300psi scrubbing tool to help in removing dust or debris particle left in the duct.


Cover Cleaning

Aside from cleaning the insides of your air ducts, our team also ensures the cleaning of grill covers and drops in your apartment.


The Essentials

Our services aren’t complete without air-washing and vacuuming the drop, filter box, blower fan, and cabinet interior of the HVAC system.


The Final Part

At the end of the cleaning, we cover the openings of the vacuum hose with shiny, new galvanized access panels.

How To Prepare For Your Cleaning Appointment

About two days prior to the appointed date, we will call you to confirm the validity of your details. The details provided include the cleaning address and the quote gotten from you –you could also ask questions on the phone or through email.


CALL US AT (647) 476-2711

Before We Arrive:

Clearing the area to be fixed

Before the arrival of your technician, try as much as you can to clear out the air vent register, furnace or air conditioner. However, if you find this process tiring, our technician will help you out.

Pet safety

If your pets are around when the air duct cleaning is going on, please ensure to instruct the technician about some safety procedures they are to observe to ensure the safety of your pets. If on the other hand, you intend to leave your home during the duct cleaning process, inform the technician about the necessary precautions to keep the pets at bay and also what to do if the pet should escape.

Children safety

Duct Cleaning can be noisy, and children’s ears can be very sensitive to loud noises. To avoid putting them in discomfort, you can have them leave the house till the process is completed. However, if children will be present during the cleaning process, it is important that you discuss precautionary measures with your technician.

Security measures

If you intend to leave your house open during the duct cleaning process, give your technician your contact to call you whenever the project has been completed. You can also provide the technician with lockup procedures to help secure your home.

Interesting Facts!!!

Did you know?

  • An average person spends about 60% to 90% of their time indoors, and 20% of illnesses are caused by polluted indoor air.
  • Air conditioning was initially introduced about five hundred (500) years ago by the Persians. These individuals designed and built wind towers to innovate the same effect air conditioning has on their homes. These towers had wind scoops to catch heavy winds. It also featured internal vanes that allowed air circulate through the different buildings and force out hot air. This innovation was useful, especially during hot 40+ degree temperatures which they encountered during the summer.
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