ONTARIO AIR CONDITIONING SPECIALISTS
Air Conditioning Services in Southern Ontario
Efficient air conditioning for reliable cooling, installed by local experts.
Licensed &
Insured Pros
Top Brands
You Trust
Reliable
Local Support

Efficient Cooling
Comfort without wasting energy.

Expert Installation
Installed right from the start.

Flexible Ownership
No rental commitments.

Rebate Support
We help you get the rebates you deserve.

Reliable Performance
Consistent cooling when you need it.

AC Service Support
Help choosing the right system.

Energy Savings
Efficient cooling can lower your bills.

Upgrade Your AC
Enjoy reliable cooling all summer.
Licensed
& Insured
Fast & Clean
Installation
Satisfaction
Guaranteed
Local Support
When You Need It
Our Team Last Ac Installation Videos
watch real AC installation projects complleted by our experts across southorn ontario
Air Conditioner Installation
Get an AC system that fits your home, not an oversized unit that wastes energy
Air Conditioner Repair
If your AC isn’t keeping up, we’ll find the real cause and fix it right. We handle common issues
Air Conditioner Maintenance
Prevent breakdowns and keep your system running smoothly with seasonal maintenance.er.
Air Conditioner Services
Guide for Buying a Central Air Conditioner in Ontario
Before purchasing a central air conditioner in Ontario, homeowners should evaluate several important factors to ensure they choose the right system for their home. The correct AC unit choosing depend on factors below
| Factor | Why It Matters |
|---|---|
| AC Size and Cooling Capacity (BTU/Tons) | Choosing the correct size is essential for efficient cooling. An oversized unit may turn on and off frequently, while an undersized system may struggle to cool your home during hot Ontario summers. |
| SEER2 Energy Efficiency Rating | A higher SEER2 rating means better energy efficiency and lower operating costs. High-efficiency models can help reduce electricity usage while providing reliable cooling performance. |
| Home Size and Layout | The size of your home, number of rooms, ceiling height, insulation, and window placement affect the cooling capacity required for your central AC system. |
| Climate Conditions in Ontario | Ontario experiences hot and humid summers, so selecting an air conditioner with good humidity control and reliable performance is important for indoor comfort. |
| System Type and Compressor Technology | Single-stage, two-stage, and variable-speed systems offer different levels of comfort, efficiency, and price. Variable-speed models provide better temperature control and quieter operation. |
| Existing HVAC System Compatibility | Your furnace, ductwork, electrical system, and thermostat should be compatible with the new AC unit to ensure proper performance and avoid additional costs. |
| Installation Quality | Even a high-efficiency air conditioner will not perform well if installed incorrectly. Professional installation ensures proper sizing, airflow, refrigerant levels, and system reliability. |
| Warranty and Maintenance Requirements | A strong warranty and regular maintenance can protect your investment and help extend the lifespan of your central air conditioner. |
Choosing the Right Central AC for Your Ontario Home
By considering factors such as system size, efficiency rating, installation requirements, and long-term operating costs, homeowners in Ontario can select a central air conditioner that provides reliable cooling and better energy savings. A professional HVAC assessment can help determine the best system based on your home’s specific needs.
The Importance of Regular HVAC System Maintenance
Regular maintenance keeps your air conditioner running cooler, quieter, and more efficiently, especially during Southern Ontario peak summer heat. It helps catch small problems early, improves comfort, and reduces the chance of a breakdown on the hottest day.

Improved Energy Efficiency
A clean, tuned AC runs with less effort and better airflow, helping it cool faster while reducing wear on critical parts.

Lowered Energy Bills
When coils and filters are clean and settings are optimized, your system uses less electricity to maintain the same comfort level, saving you money throughout the season.

Increased Home Safety
Routine inspections help identify electrical or drainage issues early, supporting safer operation and preventing avoidable damage from leaks or overheating components.
Looking for Something Else?
Don’t let HVAC problems interrupt your comfort. Whether it’s heating, cooling, or water system services we’ve got your back. Contact us today to book a service or learn more about our reliable home comfort solutions. At 1ST HEAT HOME COMFORT, your comfort is always our priority.
- (289) 409-9929
- info@1stheathomecomfortinc.ca
- Serving Southern Ontario
Every review reflects our commitment to quality workmanship, honest service, and lasting customer relationships. We take pride in helping homeowners enjoy reliable comfort with expert HVAC solutions they can trust.
Excellent rating
Based on 222 reviews![]()
![]()
Trustindex verifies that the original source of the review is Google.
I cannot recommend this company based on my experience. I needed to replace the central air conditioner at my rental property after my existing unit failed. Because I couldn't wait several weeks for another supplier, I chose this company because they had a unit in stock and could install it the next day. Before the installation, I specifically asked the owner not to discuss the job with my tenants. Despite that request, he asked both of my tenants to leave him 5-star reviews before the installation was even complete and also asked one of them for my husband's phone number, even though I am not married. After the installation, I received a call telling me to come to the property immediately because the furnace was no longer working. When I arrived, I was told the furnace couldn't be repaired and was immediately offered a replacement furnace. When I asked them to repair the problem, they refused, so I hired another HVAC company. After waiting nearly two weeks for the required part, that company repaired the furnace. I refused to pay until the furnace was repaired and the new air conditioner could actually be tested. Although the owner agreed, I received repeated messages demanding payment while we waited. Once the furnace was repaired and the air conditioner was finally running, I paid in full that same evening. It then took several days and multiple requests before I finally received my receipt. Within about a day of operation, the new air conditioner began making a loud noise that sounded like a tractor. I was instructed over the phone to bleed refrigerant from the system myself, which I refused because I do not have the proper equipment or training. I requested that someone other than the owner attend the service call. The technician who arrived released what appeared to be refrigerant from the system for an extended period while the unit was running and would not answer my questions. I was concerned enough that I considered contacting the fire department or environmental authorities. During a recorded phone call, the owner initially told me this was perfectly acceptable. In a later recorded conversation, he told me the technician should not have released the refrigerant but claimed his company was not responsible because the technician was a subcontractor. In another call later that same day, he changed his explanation again and said no refrigerant had actually been released. Receiving three different explanations about the same incident left me with very little confidence in the company's honesty or accountability. I then had another independent HVAC company inspect the air conditioner. They advised that it appears to be operating properly but could not guarantee the compressor hadn't been affected by the earlier overcharge and refrigerant release. Because I no longer have confidence in this company, I requested a refund of the labour warranty so I could use another contractor for future warranty work, or alternatively that they remove the unit and provide a full refund. Both requests were refused. I was then told that if I contacted the owner again, it would be considered harassment. Overall, the installation, communication, repeated pressure for payment, inconsistent explanations, refusal to accept responsibility, and handling of my concerns have left me extremely disappointed. I cannot recommend this company based on my experience.
Joanne BrearleyTrustindex verifies that the original source of the review is Google.
Alex installed our heat pump. Very organized person. Very happy with the outcome.
JIGNESH PATELTrustindex verifies that the original source of the review is Google.
Ac installed by Alex , highly recommended
Mohammad SoheiliTrustindex verifies that the original source of the review is Google.
Alex was very professional and knowledgeable about the complete job . I would highly recommend this company
Joe DePaolisTrustindex verifies that the original source of the review is Google.
Alex and his team did a good job, and I have no complaints about the quality of their work. They were efficient, and the system was installed properly. Fair pricing too.
Anish DsouzaTrustindex verifies that the original source of the review is Google.
Called Alex for no cool in toronto , they replaced my Air conditioner same day ,offering me fair price ,they were polite and efficient, 100% recommended
George NikolarosTrustindex verifies that the original source of the review is Google.
Alex installed my ductless heat pump all is excellent service was amazing!thank you so much.
Kelly ChadwickTrustindex verifies that the original source of the review is Google.
They instskked my ductless mini split heat oump air conditioner unit in kawartha lakes ontario, very happy with the install they went bynod to walk mevthrough everything 100% recomended.
vladimir zaceTrustindex verifies that the original source of the review is Google.
Alex installed my AC, Very great services!
Elias