Trusted by over 1,000+ companies
Fiera Foods – Trusted Partner
Son's Bakery – Trusted Partner
Metrolinx – Trusted Partner
Aspire Bakeries – Trusted Partner
Wonderbrands – Trusted Partner
Mondelez - Trusted Partner
Air Canada - Trusted Partner
3M - Trusted Partner
Bombardier - Trusted Partner
Region of Peel - Trusted Partner
Rama - Trusted Partner
HSBC - Trusted Partner
Bentall Kennedy - Trusted Partner
Ikea - Trusted Partner
Gerdau - Trusted Partner
RBC Royal Bank - Trusted Partner
Fiera Foods – Trusted Partner
Son's Bakery – Trusted Partner
Metrolinx – Trusted Partner
Aspire Bakeries – Trusted Partner
Wonderbrands – Trusted Partner
Mondelez - Trusted Partner
Air Canada - Trusted Partner
3M - Trusted Partner
Bombardier - Trusted Partner
Region of Peel - Trusted Partner
Rama - Trusted Partner
HSBC - Trusted Partner
Bentall Kennedy - Trusted Partner
Ikea - Trusted Partner
Gerdau - Trusted Partner
RBC Royal Bank - Trusted Partner
Our services

How we can help you?

SIMMCO is vertically integrated. We specialize in Commercial, Industrial HVAC cleaning, maintenance, inspection, restoration, and installation.

Large rooftop commercial HVAC system with ductwork and ventilation fans.
Commercial Duct & HVAC System Cleaning

Professional duct and HVAC cleaning for commercial spaces to improve air quality, system performance, and energy efficiency.

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Residential HVAC furnace system with connected ductwork in a home basement.
Residential Duct & HVAC System Cleaning

Expert home duct and HVAC system cleaning for cleaner air, fewer allergens, and better heating and cooling efficiency.

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Technician standing on a snowy rooftop next to a large commercial HVAC heating and cooling unit.
Heating & Air Conditioning

Reliable HVAC services for heating and cooling systems to enhance indoor comfort, airflow, and long-term performance.

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Row of front-loading commercial dryers with open doors in a laundromat.
Dryer Vent Cleaning

Expert dryer vent cleaning to reduce fire risk, improve airflow, and boost energy efficiency in commercial buildings.

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Row of large metal grain silos in an open agricultural field under a cloudy sky.
SILO cleaning

Professional silo cleaning to prevent contamination, support airflow, and meet strict safety and hygiene standards.

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Technician in protective gear using dry ice blasting equipment to clean industrial machinery.
Dry Ice Blasting

Eco-friendly dry ice blasting to remove contaminants safely while protecting sensitive HVAC surfaces and equipment.

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Worker in safety gear on a lift cleaning overhead dust near industrial warehouse rafters.
Overhead/Combustible Dust Cleaning

Overhead dust cleaning & combustible dust cleaning services should be completed on a regular basis to avoid poor indoor air quality or worse.

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Technician inspecting and servicing an outdoor HVAC unit with tools.
Maintanence & Inspections

Having regular maintenance done on your equipment can save you big bucks on system failures down the road.  Have us in for an inspection or a regular maintenance.

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Our certificates
At SIMMCO, quality isn’t just a promise - it’s certified.
Our dedication to excellence is validated by prestigious industry certifications
that reflect our commitment to high standards, trust, and reliability.

Association of Condominium Managers of Ontario

Better Business Bureau Accredited Business

ISNetworld Member Vendor

National Air Duct Cleaners Association

HomeStars Verified Badge

Why Choose SIMMCO Inc?
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Competitive rates
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Complimentary, no-obligation inspection & quote.
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Fully insured and bonded; compliant with WSIB and ISN standards
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Mandatory ongoing training and education at SIMMCO Inc
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Using advanced methods like dry ice blasting and overhead combustible dust removal.
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Specialized equipment designed for high-rises and complex industrial structures.
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500
+

Over 500 successful HVAC projects completed annually.

20
+

20+ years of experience in HVAC system cleaning and inspection.

50
+

Over 50 partners across Canada trust us for HVAC and duct services.

95
%

Improving air quality by up to 95% after professional system cleaning.

We're your Indoor
Air Quality experts 

Do you think that your Indoor Air Quality needs attention?

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Free quote