Business Profile

JJM Heating and Cooling

HVAC Companies in St. Catharines, Ontario
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JJM Heating and Cooling

Local HVAC company serving St. Catharines, Ontario and Niagara with heating, cooling, thermostat, and ductwork services. Known for timely scheduling and clear communication.

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Why Homeowners Choose This Business

Local service with responsive scheduling, clear quotes before work proceeds, and attention to details during installation and checks. Customers frequently note friendly communication and reliable follow-up from initial call to completion Local experience that helps homeowners across St. Catharines, Ontario compare a more region-aware provider.

Service Area

St. Catharines, Ontario and the wider Niagara Region.

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Local HVAC service for heating, cooling, and hot water systems across St. Catharines and the Niagara region.

How This Business Compares

A quick local comparison based on review strength, business detail, and local service fit.
  • Maintains a competitive standing in this market.
  • Performs at or above the local average rating.
  • Shows strong customer satisfaction signals based on review quality and volume.

Services Covered

  Renovation Services
  Furnace Repair
  AC Repair
  HVAC installation
  Installations
  Repairs
  Thermostat Installation
  Ecobee Setup
  Ductwork fabrication
  Heating Maintenance
  Air Conditioning Maintenance
  HVAC Diagnostics
  Residential HVAC
  Light Commercial HVAC
  Niagara Region HVAC

Heating and cooling repair and replacement, seasonal maintenance, smart thermostat supply and install (e.g., Ecobee), diagnostics and troubleshooting, and custom ductwork for residential and light commercial applications.

Reviews

Customer Reviews

Andrea Klein
I had an exceptional experience with this company. They were responsive, and fit me in for an appointment shortly after I reached out. They were very friendly and provided wonderful, and quick service. They recommended the Ecobee thermos…
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I had an exceptional experience with this company. They were responsive, and fit me in for an appointment shortly after I reached out. They were very friendly and provided wonderful, and quick service. They recommended the Ecobee thermostat, as I was struggling with my current one. They were able to order and install for me expeditiously. I highly recommend this company and will be using their services for continued furnace maintenance.
Mark Sexton
Jason and his team are awesome. I have used JJM several times now and have never been disappointed. I have no problem recommending JJM to my neighbors and friends. Friendly service and reasonable prices. Called yesterday at 3:00 as my A/C w…
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Jason and his team are awesome.
I have used JJM several times now and have never been disappointed.
I have no problem recommending JJM to my neighbors and friends.
Friendly service and reasonable prices.
Called yesterday at 3:00 as my A/C was not working on one of the hottest days of the summer.
Jason arrived an hour later and determined the problem.
Said they would call in the morning with a quote which they did by 8:00.
Arrived at 9:00, installed a new A/C and were gone by 10:15.
How can you beat that for service.
Krystal Adair
We highly recommend JJM for any heating and cooling needs. We have used them a few times now and should have wrote a review prior to now. They are amazing!! We always feel so taken care of with this team. Always giving us peace of mind with…
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We highly recommend JJM for any heating and cooling needs. We have used them a few times now and should have wrote a review prior to now. They are amazing!! We always feel so taken care of with this team. Always giving us peace of mind with our systems in our house. Thanks guys for always providing amazing work!!
Heidicakes Fereva
Thank you JJM! JJM was very professional and thorough when checking our current heating and water system. We had to move the date up from the original appointment because my water tank was leaking and there was a flood. I was extremely stre…
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Thank you JJM! JJM was very professional and thorough when checking our current heating and water system. We had to move the date up from the original appointment because my water tank was leaking and there was a flood. I was extremely stressed and they were more then willing to help me get this done ASAP. I got quite a few inspections and quotes before going with them but I was very impressed with the professionalism, how thorough they were when they checked the old system and how they actually explained to me what was wrong with the old one and why it would need to be replaced. Also the woman that works in the office that booked my appointment etc was extremely helpful and kind. Thank you so much, I would definitely recommend Jay and this team, we are very happy!!
M J
Extreme cold weather. Suddenly the furnace started screeming and made a noise that made us very scary. I called the people I know. No one was able to respond faster than JJM cooling and heating company. The point is everyone is busy, they…
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Extreme cold weather.
Suddenly the furnace started screeming and made a noise that made us very scary.
I called the people I know. No one was able to respond faster than JJM cooling and heating company.
The point is everyone is busy, they are too.
But I have to say JJM showed us the best response and they understood how urgent the repair to be completed of our furnace.
JJM replied to my call within two minutes.
Showed up for the job in 15 minutes.
Finished the job less than an hour. It could be a totally big issue if they did not show up on time.
Highly professional and excellent team Tyler and James delivered the best satisfying job for our urgent request.
Also the owner of JJM cooling and heating monitored with us to see whether our problem has taken care promptly.
This is the type of a company who delivers 110% to the community. I highly recommend to anyone for their heating and cooling jobs .
Thank you Jason , Tyler and James.

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Frequently Asked Questions

They work on heating and cooling systems, including repairs, replacements, maintenance, and thermostat upgrades. Their website also notes custom ductwork for residential and commercial needs.

Reviews indicate the company is often able to schedule quickly, with some customers noting same-day or next-day visits during urgent situations. Actual availability varies by season and workload.

Yes. Multiple customer reviews mention Ecobee recommendations and installations completed by the team. They can advise on compatibility and set up during the visit.

JJM Heating and Cooling is based in St. Catharines, Ontario and serves the Niagara Region. Call to confirm availability for your specific location.

You can call 905-704-1779 or use the contact options on their website. Provide details about your equipment and the issue so they can prepare an appropriate estimate.
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Opening Hours

  • Monday 7:00 AM – 5:00 PM
  • Tuesday 7:00 AM – 5:00 PM
  • Wednesday 7:00 AM – 5:00 PM
  • Thursday 7:00 AM – 5:00 PM
  • Friday 7:00 AM – 5:00 PM
  • Saturday 7:00 AM – 5:00 PM
  • Sunday Closed
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Business Details

Business Rating
Not Currently Available Not Verified
Address
414 Glendale Ave, St. Catharines, ON L2P 3Y1, Canada, St. Catharines, ON L2P 3Y1
Phone
Business Type
HVAC Contractor
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HVAC Companies in St. Catharines, Ontario

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