Stay cool and comfortable all summer long. Top Notch Mechanical provides professional air conditioning installation, repair, and maintenance services for homes across Lethbridge and Southern Alberta — efficient, quiet, and built to last.

AC Installation & Service in Lethbridge, AB

AC Installation & Service

Certified Plumbing Repairs Lethbridge — Experts You Can Trust

At Top Notch Mechanical, we specialize in residential cooling solutions that keep your home comfortable while minimizing energy costs. Our certified HVAC technicians install and service all major brands of air conditioners, from compact single-stage units to advanced variable-speed systems.

Whether you’re upgrading your old system or need fast AC repairs, we’ll ensure your cooling setup is efficient, reliable, and correctly sized for your home. Every installation includes full airflow balancing, line set inspection, and post-install performance testing for lasting comfort through Lethbridge’s warmest months.

Our Air Conditioning Services

    • Residential AC installation and replacement
    • Central air and ductless mini-split systems
    • Seasonal tune-ups and preventive maintenance
    • Refrigerant leak detection and recharging
    • Thermostat upgrades and zoning optimization
    • Emergency cooling service and repairs

Quick Links to Brands We Carry:

  • Continental — Reliable air-conditioning solutions designed for Canadian climate and home comfort.
  • Keeprite — Durable and efficient cooling systems built for residential use.

Helpful HVAC Resources:

Contact

Submit A Request

Got a questions in mind about some of our projects or services? Fill out the form or contact us for any details you need for your next Top Notch Project. 

Lethbridge Office

Frequently Asked Questions

Most air conditioning installations are completed in one day. This includes removing your old unit, setting up the new condenser and evaporator coil, and running a full system test to ensure everything is operating at peak efficiency.

We recommend servicing your AC once a year — ideally in spring before peak use. Annual maintenance helps detect small issues early, improves energy efficiency, and extends the lifespan of your system.

If your air conditioner is over 12 years old, struggles to cool evenly, or causes high energy bills, it may be time for a replacement. Our technicians can inspect and provide honest recommendations for repair or upgrade.

The correct AC size depends on your home’s square footage, insulation, and layout. We perform detailed load calculations to ensure your system is properly sized for maximum efficiency and comfort.

Yes — high-efficiency models use less electricity to achieve the same cooling output, reducing monthly bills. Many also qualify for provincial or federal energy rebates, further lowering long-term costs.

Yes — Top Notch Mechanical provides 24/7 emergency air conditioning service across Lethbridge and surrounding areas. We’re committed to getting your system back up and running quickly and safely.

Scroll to Top

Schedule Appointment

Fill out the form below, and we will be in touch shortly.
Contact Information
Service Requested
Preferred Date and Time
Date and Time Requested Is Not Gauranteed