Fast & Reliable HVAC Repair When You Need It Most
Professional heating and cooling repairs with upfront pricing and 24/7 emergency service to restore your home’s comfort today
- System won’t start or keeps cutting out?
- Strange noises, leaks, or unusual odors?
- Energy bills spiking for no reason?
- Inconsistent temperatures throughout the house?
- Tired of inconsistent performance and constant “temporary” fixes?
A broken HVAC system stops your life, and we don’t believe in making you wait for comfort. At Union Air, our licensed experts arrive with fully stocked trucks to restore your heating and cooling system on the first visit. We skip the surface-level patches and unnecessary upsells to fix the root cause with honest, upfront pricing. Get back to your routine with reliable, local service designed to keep your home safe and efficient.
Expert HVAC Repair & Maintenance.
Restoring Your HVAC System to Peak Efficiency
Reliability is the foundation of every service we provide. At Union Air, we treat every heating and cooling system repair as an opportunity to restore your peace of mind, not just your home’s temperature. Our approach combines advanced technical diagnostics with honest, family-owned values, meaning we prioritize the long-term health of your equipment over a quick, temporary fix. When you choose us, you are choosing a team that values precision, safety, and a job done right the first time.
- Same-Day Repair Service – We prioritize emergencies to restore your comfort fast.
- Upfront, Honest Pricing – Know the cost before the work begins. No hidden “emergency” surprises.
- Transparent Diagnostics – We explain exactly what’s wrong with your system before any work begins.
- All Major Brands Covered – Our experts are trained to repair any make or model, old or new.
- Reliable Emergency Response – Because mechanical failures don’t follow a schedule, we are ready when you need us most.
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HVAC Repair Service for ALL Makes and Models
No matter the age or condition of your heating system, you can depend on us for expert repairs . Our certified HVAC technicians can service ALL makes and models of heating equipment, including: Armstrong, KeepRite, Rheem, Carrier, Continental, Napoleon, Lennox, Bryant, Amana, Goodman, Trane, Ruud, Daikin, York, Comfortmaker, Payne and many others.
All-Inclusive Comfort Starting at Just $99/Month
Stop worrying about the massive upfront cost of a new system. With our Full HVAC Rental Program, you get a premium, high-efficiency system installed with $0 down. It’s the ultimate “set it and forget it” solution for Windsor homeowners, covering everything from the unit itself to the smart tech that runs it.
- $0 Upfront Cost: Professional installation included at no initial expense.
- 12-Year Total Protection: Zero repair bills with a full parts and labour warranty.
- Smart Home Ready: Includes an Ecobee Smart Thermostat for maximum savings.
- Complete Comfort: Comes with a whole-home humidifier for better winter air quality.
- Priority 24/7 Support: You’re always first in line if you ever need service.
Common HVAC Failures We Resolve
Your heating and cooling system is a complex machine that works 24/7 to maintain your comfort. Minor glitches often act as early warning signs; ignoring a small issue today can lead to a total system failure tomorrow. Proactive repairs not only extend the lifespan of your HVAC system but also keep your monthly energy costs from skyrocketing. If you notice any of the following, our team is ready to provide a precise diagnostic.
- Restricted Airflow (Dirty Filters/Coils) – Clogged filters and plugged coils force your system to work twice as hard, leading to overheating and premature part failure.
- Refrigerant & Fluid Leaks – Low levels reduce efficiency and can cause your unit to freeze up or burn out the compressor.
- Mechanical & Blower Failures – Issues with the blower motor or belt can stop air circulation entirely, leaving your home uncomfortable and stagnant.
- Thermostat & Electrical Malfunctions – Faulty wiring, worn connections, or outdated thermostats cause inconsistent temperatures and system “short-cycling.”
- Ignition & Gas Supply Issues – Problems with gas valves or pilot lights are safety hazards that prevent your system from generating heat when you need it most.
Don’t wait for a total breakdown. Addressing these fundamental mechanical issues promptly ensures your HVAC system runs safely and reliably. Contact Union Air today for a professional inspection and long-term peace of mind.
Why Choose Union Air for HVAC Repair & Maintenance
Union Air offers exceptional HVAC repair services. We are reputable and trusted HVAC repair experts who are committed to quality and doing things right the first time, every time. Here’s why you should choose Union Air Heating & Cooling.

Financing a New Heating and Cooling System
When you need a new Hvac system, you don’t want to wait a long time for a credit decision. UEI Financial offers a seamless application process that is fast, fair, and budget friendly.
We believe that for you to truly enjoy your new heating system to its full extent, you need to feel comfortable with your purchase. The no-hassle solution UEI Financial offers, allows you to own your new system from day one of installation. This HVAC financing plan enables you to pay an affordable rate over time.

AREAS WE SERVE
Professional Heating, Cooling services
for Windsor-Essex & Chatham-Kent
Book your appointment: 519-998-1325
24-Hour Service Available
3907 Tecumseh Rd E, Windsor, ON N8W 1J4, Canada
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