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Furnace service for Southern Ontario homes
Repair, installation, maintenance, and buying guidance from one local team. We’ve kept Halton, Hamilton, and Mississauga warm for over 30 years.
WHY EXCEL
What Sets Our Furnace Work Apart
Three things every customer can count on, whether you’re
scheduling a tune-up or planning a full system replacement.
24/7 Emergency Response
No-heat calls answered any hour, any day, with a licensed technician at your door quickly and vans stocked to fix most repairs on the first visit.
TSSA Certified Technicians
Every install and repair handled by licensed gas technicians, with full warranty coverage and clear documentation.
Transparent, Upfront Pricing
You see the full quote before any work begins. No surprise charges, no upsell pressure, and rebate paperwork filed on your behalf.
FURNACE SERVICES
Everything your
furnace needs, in one place
From the first installation to the last service call, our team handles every step. Pick a service to see the details, or jump straight to a free quote.
Furnace Repair
Fast, professional troubleshooting and emergency repair, available 24/7. Our technicians arrive prepared to fix most problems in a single visit and get your home warm again.

Furnace Installation
Expert sizing and installation of high-efficiency furnaces matched to your home’s footprint, ductwork, and energy goals. Every install is done to Ontario code and backed by our workmanship warranty.

Furnace Maintenance
Seasonal tune-ups that keep your system safe, efficient, and reliable for longer. Maintenance plan members receive priority scheduling and preferred rates.

Choose the Right Furnace for Your Home
Not all furnaces are equal; the wrong choice can cost you in energy or repairs. Our free Furnace Buying Guide covers what you need to know before deciding.
- Single-stage, two-stage, and variable-speed: which type fits your home.
- Sizing (BTU) and AFUE efficiency ratings, explained in plain language.
- Fuel options, venting, and the rebates you may qualify for.

TOP BRANDS
A Wide Selection of High-Efficiency Furnaces
We install trusted, high-efficiency furnaces to match any home and budget, helping you balance comfort, energy savings, and upfront cost.

DAIKIN
DR96SN
Efficiency
Up to 96% AFUE
Capacity
40K – 120K BTU
Warranty
12 yr parts, 1 yr labour

DAIKIN
DR96TN
Efficiency
Up to 96% AFUE
Capacity
40K – 120K BTU
Warranty
12 yr parts, 1 yr labour

DAIKIN
DR97MC
Efficiency
Up to 98% AFUE
Capacity
60K – 120K BTU
Warranty
12 yr parts, 1 yr labour

KEEPRITE
N96MSN
Efficiency
Up to 97% AFUE
Capacity
40K – 120K BTU
Warranty
10 yr parts, 1 yr labour

KEEPRITE
G96VTN
Efficiency
Up to 96.7% AFUE
Capacity
40K – 120K BTU
Warranty
10 yr parts, 1 yr labour

KEEPRITE
G97CMN
Efficiency
Up to 98% AFUE
Capacity
60K – 120K BTU
Warranty
10 yr parts, 1 yr labour
CLIENT STORIES
Real Comfort, Real Stories.
Cooling That Works
“The air conditioning is working perfectly, and we’re very happy with it. We also really like the Wi-Fi thermostat.”

Professional AC Install
“Timely and professional installation of my A/C. Team was courteous and professional.”

A Quick, Clean Fix
“We were very impressed with our experience with Excel Climate Solutions. Our son’s bedroom has always run hot. Justin cut a hole in the drywall and placed a cold air return. The job was quick and he did a great job cleaning up after.”

Midnight Furnace Call
“Excellent experience with Excel! Called in the middle of the night upon realizing the furnace went for a shit. Excel were quick to get Service tech. Paul at the house who resolved the issue quickly and at a fair price.”

Ductless Split Repair
“Had my ductless split serviced by Justin after it stopped working. He fixed it, explained what was wrong and showed me how to properly maintain it and did so in a very friendly manner. I’ll definitely use them again!”

New System, Spotless Install
“Excel Heating and Air Conditioning did an amazing job installing my new furnace and air conditioner! The team was professional, efficient, and left everything spotless. My home is more comfortable than ever, and the system runs perfectly. Highly recommend!”

FAQ
Frequently Asked Questions
Answers to the questions homeowners ask most about furnace repair, installation, maintenance, and choosing a new furnace.
If we find an issue, we explain what we found, why it matters, and what your options are. Some items may be minor adjustments, while others may require repair or replacement. Our goal is to help you make a clear, informed decision.
Most furnace filters should be checked monthly and replaced every one to three months, depending on the filter type, pets, dust, allergies, and system usage. A clean filter helps protect airflow, efficiency, and the overall health of your furnace.
Yes. A furnace can appear to be working while still developing issues with airflow, ignition, burners, venting, or safety controls. Regular maintenance helps extends your equipment’s life, it can identify problems early, before they affect comfort, efficiency, or reliability.
Most furnace maintenance visits take about 30 to 60 minutes, depending on the system’s age, condition, and accessibility. During the visit, the technician inspects, cleans, tests, and checks key components to confirm the furnace is operating properly.
The best time to book furnace maintenance is late summer or early fall, before your furnace is working every day. Booking early helps avoid the seasonal rush and gives you time to address any issues before colder weather arrives.
Your furnace should be maintained once a year, ideally before the heating season begins. Annual service helps keep the system running safely and efficiently, while giving technicians a chance to catch small issues before they turn into costly winter breakdowns.
Ready to Stay Warm This Winter?
Whether you need an emergency repair, a new furnace installation, or just want to schedule a seasonal tune-up our team is ready to help. Fill out the form for a free, no-obligation quote.