Exhaust Ventilation Toronto
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Luso Roofing has very professional tradesmen who complete projects on time, and everyone is very knowledgeable about the industry and their trade. Their expertise put my mind at ease, ... read more making it that much easier to trust their valuable input every step of the way. I highly recommend Luso Roofing for all your roofing home needs.
Mercy Yulien
I used them for a Flat Roof tune-up and was very happy with their work. They provided pictures and recommendations as well as information on the condition of my Sloped... read more Roof. Thanks for leaving the place spotless after your work. Much appreciated!
Antonio Coelho
Luso roofing, shingled our family home in North York not too long ago (just before a massive storm). We are very happy with the workmanship, and knowledge. They also installed... read more a couple air vents on the roof which we notice the difference right away. Would recommend them any day!
Carl Carl
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I have used Luso Roofing services for years and it has always been a pleasant experience. They are very timely to respond, very fair on price, quality service delivered... read more and above all, very pleasant people to deal with. Highly recommended.
Luiz Break
On time, reliable, competitive price, and very professional, will recommend to others.
O S
A true father and son team who came to my rescue twice. Came the next day and fixed the roof perfectly due to severe wind. He explained how other roofers... read more just come and go quick. They take their time and do the job right. I will trust no other than Luso roofing. Thank you so much !
Gino Rico
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Excellent service, great communication, professional workmanship with extremely punctual work. I will be using them for any roofing needs in the future and highly recommend them to anyone is looking... read more for quality work! ⭐️⭐️⭐️⭐️⭐️
Dulce Ferreira
Responded quickly for a roof assessment. Courteous, honest and professional. Excellent customer service. Would recommend anytime!
Philip Cameira
A really kind and professional team. Really patient with answering questions and very knowledgeable. Would recommend.
Sherline J

Exhaust Ventilation Services for Roofs in Toronto | Luso Roofing
At Luso Roofing, we’re known across Toronto for our trusted roofing expertise. We offer specialized Exhaust Ventilation Toronto designed to protect your roof structure and improve attic performance.
Exhaust ventilation is essential for allowing warm, moist air to escape from your attic. Without it, heat and humidity can build up under the roof deck, leading to mold growth, wood rot, ice dam formation in winter, and premature aging of your shingles. Our team installs and repairs roof exhaust vents, ridge vents, and other critical components to ensure balanced airflow throughout your roofing system.
If your attic feels hot, your shingles are curling, or you've noticed signs of moisture buildup, it could be time to have your roof's exhaust ventilation professionally assessed and repaired.
Why Toronto Homes Need Proper Exhaust Ventilation
In Toronto's variable climate, poor exhaust ventilation can lead to a range of serious issues affecting both your home and your health.
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Health & Safety Risks
Without proper exhaust ventilation, warm, moist air can become trapped in your attic or upper levels. This creates ideal conditions for mold growth, with spores that are known to trigger or worsen respiratory problems. In tightly sealed homes, there’s also a risk of carbon monoxide buildup if combustion appliances aren’t properly vented. Additionally, poor airflow can contribute to excessive dust mites and airborne allergens, reducing indoor air quality.
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Structural Damage
Over time, trapped humidity and heat can cause visible and hidden damage to your home’s structure. You may notice peeling paint or warped drywall, especially near the ceiling. In more severe cases, wood components in attics or wall cavities can begin to rot, and insulation can degrade, reducing its effectiveness.
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Energy Waste
An unbalanced or underperforming ventilation system forces your HVAC system to work 25–35% harder to maintain a stable indoor temperature. In homes with heat recovery systems, poor exhaust function can result in significant energy loss, undermining efficiency and increasing utility costs.
Signs You Need Immediate Roof Ventilation Repair
Pay attention to the following warning signs, which may indicate your roof ventilation system is failing and requires prompt professional attention:
- Condensation appearing on upper-floor or attic windows that doesn’t clear quickly
- Hot, stagnant air in the attic or upper floors, especially during warm weather
- Musty odors near the attic, which could indicate trapped moisture or mold growth
- Unusual sounds from roof or attic ventilation fans, such as grinding or whining
If you notice any of these issues, your roof may not be ventilating properly—leading to moisture damage, higher energy costs, and reduced roof lifespan.

Why Toronto Homeowners Trust Our Exhaust Ventilation Toronto
We have a deep understanding of the neighborhood-specific ventilation and roofing challenges faced by Toronto homeowners.
Our team uses advanced technology, including specialized inspection equipment, to accurately assess the condition and performance of your ventilation system.
We’re proud to be officially certified through Ventilation Maximum’s Alliance Program, an industry-recognized achievement that reflects our expertise in advanced roofing ventilation systems.
By taking these proactive roofing steps, you can save money on costly repairs and extend the life of your roof.
FAQs About Exhaust Inspection in Toronto
How long do roof exhaust fans typically last?
The lifespan of a roof exhaust fan depends on its quality and exposure to the elements. Basic builder-grade units typically last 5 to 7 years. Higher-quality residential roof exhaust fans can last 10 to 15 years with proper maintenance. Heavy-duty or commercial-grade rooftop ventilation systems may last 15 to 20 years.
Can roof exhaust systems be too powerful?
Yes, roof exhaust systems that are too powerful for the home can cause negative pressure in the attic space. This can lead to backdrafting from combustion appliances, energy waste, and the need for expensive make-up air solutions. Proper sizing is essential for balanced and effective roof ventilation.
Do you service commercial roof exhaust systems?
Yes, we service a wide range of commercial roof exhaust systems. This includes rooftop fans for warehouses, multi-unit residential buildings, and flat-roofed commercial properties. We handle everything from inspections and repairs to full system replacements.