Oakville / Burlington / Hamilton / Niagara: 905-643-1799    Toronto / GTA: 416-213-0303

Toronto · Hamilton · Niagara · GTHA — Since 1994

When Your System Fails,
We Answer.

Your furnace doesn’t care what time it is. Neither do we. Since 1994, A Plus Air Systems has served homeowners and property managers across Toronto, Hamilton, Niagara, and the GTHA with licensed technicians, a 24/7 emergency line, and one team accountable for every job we take on.

No-heat/No-cool emergencies receive priority scheduling. In most cases a technician can be dispatched the same day.

📞 24/7 Emergency Line (all regions): 416-213-0303

30+

Years Serving Ontario

4.8★

Google Rating

9.2

HomeStars Score

24/7

Emergency Line

● 24/7 Emergency Line Active

★★★★★ 4.8 Google Rating

Get Service ASAP

We’ll call you to schedule a technician visit immediately.

TSSA Certified Gas Technicians

✓ ESA-Compliant Electrical Work

Premier Trane Dealer

Generac Authorized Installer

Home Depot Installer Program

Fully Insured · BBB Accredited

Why Customers Stay With Us

The Same Team. The Same Standards. Every Time.

We’ve been servicing homes across the GTA, Hamilton, and Niagara for over 30 years. What keeps customers coming back isn’t a loyalty program — it’s knowing exactly what to expect when they call.
01

The Tech Who Shows Up Is Accountable

Every technician on an APAS job is an APAS employee — licensed, insured, and responsible for the work they do. There’s no handoff to a subcontractor you’ve never met. If something needs following up, you call the same number and reach the same team. That’s how it’s worked since 1994.
02

We Service Where You Live

Whether you’re in Etobicoke, Hamilton, Grimsby, St. Catharines, or Fort Erie, your call goes to a team that knows your area, keeps parts in stock for the systems common to your region, and can actually get to you when something goes wrong.
03

We'll Tell You When It's Not Worth Fixing

Replacing a furnace or heat pump is a significant decision. We walk you through when repair still makes financial sense, what the real cost of waiting looks like, and what equipment is actually worth the investment for your situation.
The A Plus Air Team

20+ Licensed Technicians. One Standard of Work.

Every technician on an APAS job is an APAS employee. Not a subcontractor. Not a seasonal hire. Our team is TSSA-certified, ESA-compliant, and accountable for every job under our name. From your first call to the final sign-off.

30+
Years in Business
20+
Licensed Technicians
4.8★
Google Rating
24/7
Emergency Line
Our Services

Installed Precisely. Backed Completely.

We service and install all residential HVAC equipment. If it heats, cools, ventilates, or generates power for your home, we cover it.

Furnaces & Boilers

Air Conditioning

Heat Pumps

Ductless Mini-Splits

PKFY FAMILY DEFAULT

Water Heaters

Generators & Electrical

What Customers Are Saying

4.8★ on Google
9.2★ on HomeStars

Over 1,000 verified reviews across platforms. Here’s what homeowners say about working with us.

Ready to get started? Call us or request a callback.

In an emergency? Same-day emergency services are also available. Contact us at 416-213-0303.

Articles & Resources

HVAC Updates That Affect Your Home & Life

Rising energy costs, air quality research, new rebates, equipment tariffs, etc. We dig into what’s actually changing and what it means for people in Hamilton, Toronto, and the surrounding area.

How to Recognize Early Signs of Stress in Your Furnace or Air Conditioner

Most HVAC systems don’t fail suddenly. They spend months — sometimes years — showing small signs of stress before something finally breaks.

The problem is that those signs are easy to dismiss. A little extra noise. Slightly uneven temperatures. A system that still works, just not quite as smoothly as it used to. By the time comfort is clearly affected, the system has often been compensating for an underlying issue for a long time.

Read More »