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First Choice HVAC Blogs

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Apr 27

8 Common Reasons Your AC Isn’t Cooling (And What to Check First) | First Choice HVAC

Thirty-one degrees inside. The AC cranking full blast for two days straight. That's what we walked into at a home in Burlington last July. The homeowner had the thermostat pinned...

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Apr 24

Spring AC Maintenance Checklist: 7 Steps Before You Turn On Your Air Conditioner

Dusty coils. Clogged drain. Seized contactor. Every spring in Oakville, the pattern repeats. Someone flips on their AC for the first time since September, hears a grinding noise or smells...

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Apr 23

How Much Does a Central Air Conditioner Cost in Ontario? (2026 Guide)

Three quotes, three wildly different numbers. That’s what a homeowner in Oakville ran into last spring when she started shopping for a new central AC. Same house, same square footage...

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Mar 02

What Is the Most Energy Efficient Heating System? An Ontario Tech’s Honest Answer

Last February, a homeowner in Mississauga had three quotes spread across his kitchen table: a basic 96% AFUE furnace swap in the low five figures, a cold-climate heat pump at...

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Mar 02

Do Furnace Humidifiers Really Work? An HVAC Tech’s Honest Answer

Last January I walked into a house in Oakville, just off Third Line, where the homeowner met me at the door and handed me a dryer sheet. "Rub this on...

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Mar 02

When to Replace Your Water Heater in Canada: A Technician’s Guide

It was a Sunday morning in February. Minus 18 outside. A homeowner in Mississauga called us because there were several inches of water across her basement floor — her aging...

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Mar 02

How Long Does a Furnace Last? (Lessons From Years of Service Calls)

The nameplate said 2003. Mississauga, a two-storey on a quiet crescent, and the homeowner — mid-fifties, spreadsheet guy — had the blower motor quote in his hand — close to...

Why Choose Us

First Choice Heating & Air Conditioning is a leading HVAC company in the GTA, specializing in the sales, installation, maintenance, and repairs of all HVAC units

We have many years of experience. Our technicians are trained, licensed professionals with the knowledge and skills to get the job done right the first time.

We have many years of experience. Our technicians are trained, licensed professionals with the knowledge and skills to get the job done right the first time.

We have many years of experience. Our technicians are trained, licensed professionals with the knowledge and skills to get the job done right the first time.

As an authorized dealer for several premium brands, our team will guide you in making the right choice for you and your family or business.

We have many years of experience. Our technicians are trained, licensed professionals with the knowledge and skills to get the job done right the first time.

Our emergency services are available 24/7, so give us a call when you need our assistance. Come rain or shine; we are here for you!

We have many years of experience. Our technicians are trained, licensed professionals with the knowledge and skills to get the job done right the first time.

Our pricing is transparent. We will never charge you unnecessarily for something you don't need. Our pricing is competitive, making us your first choice!

Learn More About Us

Diagnose First. Replace Only When It Makes Sense.

At First Choice Heating & Air Conditioning, every job starts with a proper diagnosis — not a quote for new equipment. Our own licensed technicians (we never subcontract) find the real problem, lay out your options in plain language, and repair what's repairable. If replacement genuinely is the smarter call, we'll explain exactly why, with transparent upfront pricing. No pressure, no surprises: just honest workmanship that's earned us five-star reviews across Oakville and the GTA.

Google Review from Real Customers

What Our Customers Are Saying

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Shane was a pleasure to have. He's very friendly, honest, thorough and diligent as a professional. His rates are also quite reasonable. Shane repaired all existing pipework and other small fixes (with no extra charge), returned the hot water heater back to Reliance and setup the warranty for me on my new hot water heater. Will definitely reach out to him again for any future work!

- Brandon Cabral -

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Very satisfied with the "repair" service Shane provided. I quoted repair because other big contractors charge you $150 to only tell you that you need a new AC or furnace. Or they will charge another $150 for repair service. Shane came to look at my AC condensation issue. He was very professional and on time. After resolving, he explained me the cause of the problem and gave me some tips for future.

-Cem Gercek -

Leave Us a Google Review

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Shane came same day when we called him to repair our duct vent. He performs quality work and provides informed recommendations. He is polite and very professional and did a terrific job fixing our duct with very competitive price. I will use this company again and have no hesitation in recommending them to friends.

- Amy Li -

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Shane installed my vents in my basement to get it ready for inspection. This was everything from a couple of dryers, range hood, and a few return and supply lines. The inspector recommended some changes and he made the updates. While I had to have him come back several times because of the logistics of working with Framers and Plumbers, he was able to accommodate.

- Charles F -

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