About Us
HAMCO Heating & Cooling Ltd. Has Provided Top Rated HVAC Services to the Hamilton, Burlington, Oakville & Surrounding Areas Since 1946
We are a third generation, family owned and operated business that offers the highest quality in residential and commercial heating, cooling, and hydronic equipment installations and service.
The family business we run is as much about building new relationships with our customers, as it is about providing fantastic HVAC service experiences in our neighbourhood and surrounding areas. We don’t just work here, we also live here, and have been a part of the community since our patriarch, Lawrence Vasilak, planted his roots in Hamilton over 75 years ago.
Lawrence believed that if you provided customers with both good value that meets their needs and a solid foundation of trust, dependability, service, quality, and responsiveness, that those customers would be lifelong ones. His proud passion for high quality service has been passed down to his family and employees, ensuring that his legacy of integrity, and commitment to values, is never lost.
Today, the business environment has changed, as has the pace at which the world moves, however, at HAMCO we will deliver on our commitment to you. We pride ourselves on following the family values that have become the HAMCO standard set by Lawrence Vasilak, and carrying that reputation to every service call, sale, and installation we perform.
We continue to be the go-to residential and commercial HVAC experts in the Hamilton, Burlington, Oakville, and surrounding area. We look forward to serving you and your heating, cooling, or hydronic needs.
Call us today for more information on our service and maintenance plans, plus find out what amazing products we carry that will create the most comfortable space to be in.
Yours in HVAC,
John, Tom, & the HAMCO Family.
Based on 689 reviews
John
15:33 13 May 26
I've been dealing with Hamco now for 26 years - on my 3rd house and have only had good experiences with Hamco. An example of how their staff go above and beyond is during the installation of my furnace in 2006, my elderly neighbour complained about the wasps flying around her house. The furnace installers noticed where they were going in and resolved the problem.I get the air-conditioner checked annually and the technicians are always professional and knowledgeable. A special shout-out to Cameron who looked after the inspection today and explained the readings today.I would, without reservation, recommend Hamco to anyone needing heating and cooling equipment.
Stephen White
16:27 12 May 26
After doing a significant amount of research I contracted with HAMCO to install a heat pump to replace my aging air conditioner, and a new furnace. Andrew Vasilak handled the transaction, and he was terrific to deal with. He was helpful, informative, and there were no high pressure sales tactics. The quote was identical to what I paid.The installation of the products was superb! Both my new heat pump and furnace were installed in one day. The four men who did the installation were on time, dependable and thorough. Since the installation the heat pump has been superb. Air quality in the house is significantly better, and the air temperature has been constant. I had one minor problem, and called HAMCO late at night on a long holiday weekend for assistance. I had a return phone call back in five minutes, a repairman out to my house the next morning, and the problem was fixed quickly. The service technician who dealt with my issue was professional, polite and responsive.HAMCO has been around since 1946. They are an established Hamilton company that offers old fashioned, high quality service at a fair price. I would not hesitate to recommend them.Update: May 12/26I just had HAMCO into perform an annual inspection of my heat pump, furnace and water heater. Christian did an amazing job! He was professional, thorough and extremely detailed. He took the time to explain what he was doing, and his answers to my questions were clear and concise.I continue to be impressed with HAMCO. They do amazing work, and it is reassuring to know you can depend upon them when necessary.
Anas Mustafa
18:19 27 Apr 26
Hamco installed my AC unit about 7–8 years ago, and they’ve been great to work with ever since. Their service is consistently excellent. Steve recently came by to troubleshoot an issue, and he was incredibly knowledgeable and professional. He went above and beyond, even helping with a couple of other concerns. Outstanding service all around.
Rhodi iliadou
16:56 07 Apr 26
Najim from Hamco has worked with us a few times and has always been very professional and helpful. Today he came in to make an adjustment to our backyard gas line so we can properly install our barbecue. He was able to trouble shoot and come up with a solution to connect our older barbecue and have it work within a few minutes. Thank you Najim!
Mary Lehto
18:00 04 Apr 26
On one of the coldest days in February on a weekend my furnace stopped working. I called Hamco because they do yearly maintenance checks. Derek called me immediately to discuss the problem and within an hour he arrived. There was a problem with the pressure switch and he fixed it. That was a temporary fix until a new pressure switch was ordered and installed this week. Derek was a life saver that weekend. He is very professional and knowledgeable. He answered all my questions and was very patient. I would highly recommend Derek. Mary Lehto
Ray Boyer
21:42 31 Mar 26
Adam, Victor and Veronica did an excellent job installing furnace and air conditioner. Very professional and courteous. Cleaned and tidied up after work was completed. We were very impressed.
Charlene Kump
21:24 27 Mar 26
Amazing service again! Today, we had no heat. It turns we needed a new thermostat.One hour and 45 minutes from my phone call until a new one was installed.Najim was amazing as usual. Very friendly, knowledgeable and also patient with my non-verbal husband.I definitely recommend Hamco 😍
Kevin Farrugia
00:04 25 Mar 26
Derek came by to install a new intake and exhaust for our boiler. He did excellent, tidy work and finished quickly. Before starting, he clearly communicated his plan and asked for my preferences. I appreciated that he left the are clean afterwards, which seems to be rare when people are undertaking work outside.
Josie Brucculeri
19:06 21 Mar 26
I had 3 air conditioners/heating installed. Jordan came to initially assess the situation. He is a very polite and thorough person. Once confirmed, his crew came to install the units. It was pouring rain& they not once complained. They worked diligently and effortlessly to install the units inside and out.They were all so polite and cleaned up after the job was done. I would highly recommend Hamco.
Marilyn Hunt
18:42 18 Mar 26
Derek was very helpful in assisting me to choose which model of thermostat would best meet my needs. As he was installing it, he explained every step and how I need to maintain it going into the future. He was very safety conscious in instructing me about turning on and off the electricity, as he did. I appreciated his awareness of costs and quality of products. Thank you Derek for arriving so promptly after I called and spoke with Denise to get assistance. Give you 11+ starsWhen I contacted HAMCO, Denise was very responsive and provided the exact information I needed to understand and correct a "malfunction" of our thermostat. She was able to problem solve over the phone in an efficient and helpful manner when the first option did not work. I appreciate her patience and ability to describe next steps so clearly ...Thank You Denise
Sharon Hachey
16:57 12 Mar 26
We could not have been more pleased with our decision to deal with Hamco. The purchase of the hot water tank, the quality of the tank and the two installers exceeded our expectations. While installing several issues arose & their patience was exceptional. Previously we purchased a new furnace from them and both time the service was exceptional. We HIGHLY recommend Hamco.
Trevor Geach
18:04 06 Mar 26
I cannot say enough good things about Stefan, Jordan, and the entire Hamco team. This is a team with as much integrity as they have expertise.We were experiencing intermittent outages and error codes on our 12 year old Viessmann boiler and after a competitor had been called out 3 times in the course of a week to fix it and told me I had to replace the whole thing I called Hamco to compare pricing.Not only did Hamco come in 50% cheaper than the competition on the quote to install a replacement the very next day, they encouraged me to let their tech take a look at the boiler first to confirm it in fact needed replacing.Stefan came out same day, exactly when they said he would and gave the boiler a full once over. He pulled it apart, checked the probes and ignitor, cleaned every nook and cranny, reassembled everything and flashed it back up. It's been burning hot since with no issues. Didn't even need replacement parts, let alone to be replaced outright!Thank you, Hamco. Jordan, Stefan and team will definitely be my first call for any and all our boiler and radiator needs moving forward!
Greg Cavanagh
15:30 26 Feb 26
Had Murray and Shamar install a HWT in our condo unit. Not an easy install by any means as it required a venting pipe upgrade to the buildings outside wall. The boys got it done and cleaned everything up really well. Thanks to Jordan our estimator for a very competitive quote which certainly helped in getting this over the line!
Bart Shamu
15:53 16 Feb 26
Derek from Hamco did a great job installing a new humidifier. We found to be: 1. Courteous - he called before showing up, 2. Considerate - he took off his boots when he arrived, 3. Professional - his workmanship was top notch and 4. Tidy - the work area was left clean
Eric Meek
01:42 03 Feb 26
Our furnace stopped working on a Saturday morning, and Derek came out and gave an honest assessment of the situation (22 year-old furnace, so it was not surprising it had given up the ghost), and on the following Monday morning we had a new Daikin furnace installed, which is working great! Great experience with the sales and installation staff. They even loaned us a few space heaters to get us through the weekend dealing with sub-zero temperatures! Will not hesitate to work with Hamco again!
Rick Naylor
17:08 15 Jan 26
We recently connected with Hamco to inspect our boiler. We discovered serious CO2 issues and required immediate support given the cold January weather. Najim gave us a quote for a new condo boiler/ water heater, providing a competitive quote and arranging for immediate installation. Adam F and Shamar arrived the next day to take care of the challenging installation. After 10 hours of effort they left us with a warm, spotless home. They were highly skilled, efficient and courteous. We are VERY impressed with the entire Hamco team and highly recommend them.
Amjad Junaid
15:42 30 Dec 25
We had a new furnace and A/C unit installed by Hamco 7 years ago. We get both units serviced annually by Hamco. The technicians have always been very friendly, courteous, and professional. This year, there was a leak in the water line leading to the humidifier on the furnace. Hamco advised me that this was not covered by the furnace warranty. Regardless, they agreed to fix the problem without charge. Derek was great and he fixed the problem quickly and efficiently.
Bobbie Smith
19:03 16 Dec 25
We just had a second furnace installed through Hamco. The AC will be installed on Thursday. Veronica and Victor arrived to our home as promised the day before by Steve, the tech who diagnosed our 14 year old furnace needed replacement. So appreciative of the service. I would recommend Hamco to anyone who wishes to experience great customer service and workmanship.
Phil Botham
20:30 08 Dec 25
Great techs all around.Curtious and experienced without all the upselling.;). Definitely worth having Hamco for installs and maintenance.Tnxs Stefan & Derek.....pb Dundas
Elliott Oomen-Hurst
18:33 03 Dec 25
HAMCO was able to schedule an install for my water heater within a week's time and the work was done very fast and they cleaned up well. I'm very happy to have had HAMCO replace the Reliance water heater rental in my house and I will be seeking their services in the future for other heating/cooling work if I need it. They were also very flexible about hanging on to the rental unit and returning it for me, which I appreciate very much.
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