Home ›Services ›Mold & Air Quality
Health & environment

Mold and air quality testing in
Montreal

Protect your health and that of your family. Our mold testing and indoor air quality analysis detects invisible contaminants, identifies the source of the problem and guides you toward appropriate solutions.

Why test

Is the air you breathe
healthy?

Mold is a common problem in Montreal properties due to the humid climate and harsh winters. It often develops in hidden areas: behind walls, under floors, in ventilation ducts. Professional testing is the only reliable way to confirm its presence, identify the type of mold and assess the risk to your health.

🔬
Professional detection
Air and surface samples analyzed in a laboratory to precisely identify the type and concentration of mold present.
🫁
Health protection
Identify contaminants causing allergies, respiratory problems and other symptoms. Protect vulnerable members of your household.
📋
Remediation plan
Clear recommendations on corrective measures to take, intervention priorities and decontamination specialists to consult.
What we test

A complete analysis
of your environment.

Our mold and air quality service combines visual inspection, sampling and laboratory analysis to give you a complete picture of the situation.

✓Thorough visual inspection — Search for visible mold, water stains, discolouration, signs of moisture in all rooms
✓Indoor air sampling — Measurement of mold spore concentration in the air of each tested zone
✓Outdoor air sampling — Reference sample to compare indoor levels to natural outdoor levels
✓Surface sampling — Identification of mold type on suspect surfaces by swab or tape lift
✓Moisture measurement — Wall, floor and ceiling moisture levels with professional hygrometer
✓Moisture source — Identification of the cause: infiltration, condensation, plumbing deficiency, inadequate ventilation
✓Ventilation and HVAC — Evaluation of the ventilation system and its role in the air quality problem
✓Basement and crawlspace — Highest risk areas for mold growth due to natural moisture
✓Bathroom and kitchen — Verification of joints, caulking, ventilation and moisture-prone areas
✓FLIR thermal imaging — Detection of hidden moisture behind walls, ceilings and floors without destructive opening
Our process

4 steps to
healthy indoor air.

1
Consultation
Describe your situation: symptoms, odours, water damage history. We determine the appropriate tests for your case.
2
Sampling
Visual inspection, moisture measurements and air and surface sampling on site. Duration 1 to 3 hours depending on scope.
3
Lab analysis
Samples are sent to an accredited laboratory. Results available in 3 to 5 business days.
4
Report & recommendations
Complete report with lab results, interpretation, risk assessment and remediation recommendations if necessary.
Transparent pricing

Our mold and air
quality testing rates.

The rate is adapted to your situation. It depends on the number of zones to test, the type of sampling required and the area to cover. Contact us for a precise quote.

🔬
Mold testing
Visual inspection, air and surface sampling, laboratory analysis and report with recommendations.
Custom quote
💨
Air quality
Complete indoor air quality analysis with multi-zone sampling and comparison with outdoor air.
Custom quote
🏠
Inspection + mold test
Combine a pre-purchase or pre-sale inspection with a mold test for a complete property assessment.
Custom quote
FAQ

Frequently asked questions about
mold and air quality.

Everything you need to know about mold testing and indoor air quality in Montreal.

How do I know if I have mold in my home?+
Common signs include a persistent musty smell, black or green spots on walls or ceilings, excessive window condensation, allergy symptoms that worsen indoors, and a history of water infiltration or flooding in the property.
What are the health risks associated with mold?+
Mold can cause respiratory problems, allergic reactions, asthma, eye and skin irritation, chronic headaches and fatigue. The most vulnerable are young children, the elderly and those with weakened immune systems.
How much does a mold test cost in Montreal?+
The rate is custom-quoted based on the scope of testing required: visual inspection alone, air sampling, surface sampling, number of zones to test. Each situation being unique, contact us for a quote tailored to your needs.
What is the difference between an air test and a surface sample?+
An air test measures the concentration of mold spores in your home's ambient air and compares them to outdoor levels. A surface sample identifies the precise type of mold present on a specific area. Both tests are complementary and provide a complete picture of the situation.
When should I have my home's air quality tested?+
Have your indoor air tested if you see visible mold, smell a persistent musty odour, have experienced water damage or flooding, suffer from unexplained indoor allergy symptoms, or are considering purchasing a property showing signs of moisture.
Our other services

Related
services.

🏠
Pre-purchase inspection
Complete inspection for buying a single-family home in Montreal.
🏢
Condo inspection
Specialized inspection for condo units in Montreal.
🏗
Multi-unit inspection
Duplex, triplex and multi-unit buildings.
Book now

Concerned about mold or
air quality?

Available 7 days a week. Lab results in 3 to 5 days. InterNACHI & IBC certified.

📞 (514) 802-7215Request a quote →
✦ 4.9 ★ on Google✦ 2,500+ inspections✦ Certified & insured
📞 Call💬 TextBook