Rooftop Unit (RTU) Service in Toronto & the GTA

HVAC Contractor Service

Licensed, TSSA certified technicians who diagnose it right the first time. Serving Toronto & the GTA since 2011.

TSSA Certified

BBB Accredited

HRAI Member

42+ Five-Star Reviews

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Rooftop HVAC units (RTUs) are the backbone of commercial heating and cooling for retail spaces, offices, restaurants, and light industrial buildings across Toronto. Lloyd HVAC Services provides comprehensive rooftop unit service — installation, repair, and maintenance — across Toronto, East York, North York, Etobicoke, Danforth, and Beaches East York. Our TSSA-licensed technicians understand the unique demands of commercial HVAC and keep your RTU running reliably.

Schedule Your Rooftop Unit Service Service Today

Free estimates • Financing available • TSSA licensed

(647) 344-4822

Open 7:00 AM – 9:00 PM, 7 days a week

What We Offer

Our rooftop unit services include RTU installation and replacement, compressor and motor repairs, refrigerant leak detection and repair, economizer service, gas heat section repair, control board and thermostat troubleshooting, belt and filter replacement, coil cleaning, curb adapter fabrication, and preventative maintenance programs. We service single-zone and multi-zone RTUs from all major commercial manufacturers.

Why Choose Lloyd HVAC for Rooftop Unit Service?

  • Commercial HVAC expertise — RTUs are our specialty, not an afterthought
  • Minimized business disruption with flexible scheduling
  • Preventative maintenance plans to prevent costly downtime
  • TSSA licensed for all gas and refrigerant work
  • Experience with all major RTU brands
  • Emergency RTU service available

★ 4.9/5 Rating📋 TSSA Licensed🏠 Serving Toronto Since 2011💰 Free Estimates💳 Financing Available

Our Rooftop Unit Service Process

Step 1: Site Visit

We inspect your rooftop unit(s), assess their condition, and discuss any performance issues or concerns.

Step 2: Service Plan

For repairs, we provide a clear quote. For ongoing maintenance, we design a program tailored to your equipment and usage.

Step 3: Professional Service

Our technicians perform repairs or maintenance with minimal disruption to your business operations.

Step 4: Documentation

We provide detailed service reports for your records, including recommendations for future maintenance or upgrades.

Ready to Get Started?

Call (647) 344-4822 or book online for your free estimate.

Frequently Asked Questions About Rooftop Unit Service

How often should rooftop units be serviced?

Commercial RTUs should be serviced at least quarterly — before each season change. High-use environments like restaurants may need monthly attention.

How long do rooftop HVAC units last?

Commercial RTUs typically last 15-20 years with proper maintenance. Neglected units may fail in as little as 10 years.

Can you service any brand of rooftop unit?

Yes. We service RTUs from Lennox, Carrier, Trane, York, Rheem, Daikin, and all other major manufacturers.

Do you offer maintenance contracts for commercial HVAC?

Yes. We offer customized preventative maintenance contracts for commercial clients that include regular service visits, priority emergency response, and discounted repair rates.

Service Areas

Lloyd HVAC Services Inc. provides rooftop unit service services throughout Toronto, East York, North York, Etobicoke, Danforth, and Beaches East York, and the surrounding Greater Toronto Area (within 25 km of Toronto). Whether you’re in a century home in the Danforth, a townhouse in North York, a detached home in Etobicoke, or a condo in Beaches East York — we’ve got you covered.

Phone: (647) 344-4822 | Hours: 7:00 AM – 9:00 PM, 7 days a week

Related Services

Contact Lloyd HVAC Services

Family-owned and trusted since 2011. Serving Toronto, East York, North York, Etobicoke, Danforth, and Beaches East York.

(647) 344-4822

Request a Free Estimate Online

— Real reviews from real homeowners

42+ Five-Star Google Reviews

Don’t take our word for it. Here’s what Toronto homeowners are saying after we fixed their furnace.

“I recommend Lloyd HVAC Services without hesitation. Tracy is reliable and a pleasure to engage with. George is highly professional, trustworthy, and thorough in his work. Look no further for your HVAC needs.”

Raam Pandey — Google Review
“Excellent from start to finish of install. George and Tracy are a great team that made us feel very comfortable about some big changes to our HVAC system. Looking forward to regular”
Adam Green — Google Review

“Lloyd HVAC met and exceeded my high expectations. From the office staff and owner, to the technician everybody was pleasant and helpful. My AC unit did not turn on in the spring. They were able to help provide me with the information I needed and send out a technician quickly. While the technician was here, the owner was even willing to run to the store to pick up a part for us. I highly recommend using this company.”

Marcel McLean — Google Review