4.6
213 Reviews
HEATING AND AIR CONDITIONING CONTRACTOR IN LONGUEUIL
For more than 60 years, Guaranteed Industries has been providing reliable air conditioning, heating, indoor air quality, and commercial HVAC solutions throughout Longueuil, Québec. We are committed to every customer’s satisfaction and stand behind the quality of our work. Whether your AC is blowing warm air, your ducts are leaking, or your furnace refuses to start, call our certified technicians any time - we are available 24/7 for emergency service.
Air-conditioning repair, installation, and maintenance
Heating installation and repair
Indoor-air-quality products and services
Commercial HVAC design, installation, and maintenance
Duct repair, cleaning, replacement, and more
Upfront & Flexible Pricing
Plus easy payment options.
Free Estimates & Second Opinions
Let us help you make the right choice.
Fully Stocked Trucks
Returning comfort to your home faster.
The RIGHT WAY Guarantee
100% satisfaction with every service.
AIR CONDITIONING IN LONGUEUIL
With hot, humid summers, reliable cooling is essential. Trust Guaranteed Industries for professional air conditioning services in Longueuil that keep your home or business comfortable and efficient. Our technicians repair all AC brands and are on call 24/7. Ready for an upgrade? We will help you choose a cost-effective, energy-efficient system sized perfectly for your space. If your AC is blowing warm air, short-cycling, or has stopped working completely, contact us at (514) 342-3400 or request a call-back any time.
AIR CONDITIONING REPAIR IN LONGUEUIL
In Longueuil, cooling systems run most of the year - breakdowns can happen at any time. When you need fast AC repairs, Guaranteed Industries responds quickly and gets it right the first time. With six decades of experience, we fix refrigerant leaks, frozen coils, thermostat problems, and more. If your unit is leaking, making strange noises, or failing to cool, our team will restore your comfort quickly - day or night.
HEATING SERVICES IN LONGUEUIL
A sudden cold snap is no time for furnace trouble. If you notice strange odors, cold air, or rising energy bills, it might be time to repair or replace your system. Guaranteed Industries installs, repairs, and maintains gas furnaces, electric furnaces, boilers, and heat pumps throughout Longueuil. Replacing an aging system improves comfort and reduces utility costs. Call us at the first sign of trouble to prevent costly repairs.
HEATING REPAIR IN LONGUEUIL
Heating breakdowns are never convenient. That’s why Guaranteed Industries offers 24/7 emergency heating repair. Our highly trained technicians arrive with the parts and knowledge to fix all major brands. From igniter failures to blower motor issues, we restore warmth quickly so you can get back to normal.
INDOOR AIR QUALITY PRODUCTS & SERVICES IN LONGUEUIL
We spend most of our time indoors - the air we breathe matters. If you or a family member struggles with allergies or asthma, reducing pollutants like dust, pollen, and pet dander can make a big difference. Guaranteed Industries installs whole-home air filtration, UV germicidal lights, humidifiers, and energy recovery ventilators. We also offer professional duct cleaning and sealing to eliminate hidden contaminants and improve airflow.
60+ years serving Greater Montréal
Licensed, insured, and factory-trained technicians
Residential and commercial expertise
Bilingual service - English and French
24/7 emergency support
Up-front pricing and senior discounts
Don’t let your home or business suffer from poor comfort or air quality. Call Guaranteed Industries for dependable heating, cooling, indoor-air-quality, and commercial HVAC services in Longueuil. We are ready 24/7 to keep you comfortable all year long.
WHY CHOOSE GUARANTEED INDUSTRIES?
Frequently Asked Questions
How do I contact Guaranteed Industries?
You can reach us by phone at (514) 342-3400 or fill out our online form. We’re available 24/7 for emergency services in Longueuil and surrounding areas. You can also request a callback at your convenience.
How do I know when it’s time to replace my HVAC system?
If your system is over 15 years old, needs frequent repairs, or struggles to maintain consistent temperature, it may be time to replace it. We offer free consultations and no-pressure estimates
What HVAC brands do you work with?
We service all major HVAC brands including Lennox, Carrier, Trane, Daikin, Mitsubishi Electric, and more. Our recommendations are based on performance, energy efficiency, and your specific needs.
Can poor indoor air quality affect my health?
Yes. Poor air quality can aggravate allergies, asthma, and respiratory conditions. We offer advanced IAQ solutions including whole-home air purifiers, humidifiers, and duct cleaning services.
How often should my HVAC system be maintained?
We recommend annual maintenance for both heating and cooling systems. Commercial systems or high-usage homes may benefit from biannual checkups.
Do you offer HVAC services for commercial buildings?
Yes, we specialize in commercial HVAC design, installation, and maintenance for offices, retail, industrial spaces, and healthcare facilities in Longueuil and across the South Shore.
Can you help lower my energy bills?
Absolutely. We install high-efficiency systems and can assess your current setup to recommend energy-saving upgrades such as smart thermostats, zoning systems, and sealed ductwork.
How quickly can you respond to emergency HVAC calls in Longueuil?
We provide 24/7 emergency HVAC services, including evenings, weekends, and holidays. Most emergency calls in Longueuil are responded to the same day.
Are your technicians certified in Québec?
Yes, all of our technicians are fully certified, trained, and insured to operate throughout Québec, including Longueuil. We follow provincial safety codes and building regulations for every job.
What HVAC services do you provide in Longueuil?
We offer complete heating, cooling, and indoor air quality services for both homes and businesses: installation, repair, maintenance, ductwork, air purification, and 24/7 emergency service.