Harold’s Pre Hibernation Special
Thank you to everyone who participated in Harold’s Scavenger Hunt!
Congratulations to our 4 winners of $100 gift cards to the Keg and our grandprize winner who received $1,000 off a furnace or air conditioner installation!





















































































Latest News
Time to Schedule Furnace Maintenance
As we approach the end of September, it’s the perfect time to schedule annual furnace maintenance. Having professional service on your heating system can help prevent a breakdown while also increasing efficiency. With our harsh winters, it’s crucial your heating...
Purchase a Furnace Protection Plan Ahead of Winter
A furnace protection plan is a sound investment and can save you money on annual furnace maintenance, diagnostic fees, parts and labour and even credit towards new equipment. How a Furnace Protection Plan Works For a small monthly payment (we offer plans that start at...
Did Your Air Conditioner Barely Survive This Summer? Time for an Upgrade!
This summer, if you held your breath every time you turned on the air conditioner, hoping it would work, it’s time for an upgrade. Using an AC that is struggling can decrease overall home comfort and increase energy bills. Now is the best time to replace the air...
Improve Indoor Air Quality with a New Furnace Filter
One of the best ways to improve indoor air quality is to regularly change the furnace filter. After running the AC all summer, now is the perfect time to check and change the filter. Using the HVAC system with a dirty filter can not only damage it but can also...
Free Air Conditioner Quotes in Hamilton, Oakville and Burlington
Call HAMCO Heating & Cooling Ltd. before upgrading your cooling system. We offer free air conditioner quotes in Hamilton, Oakville, Burlington (and surrounding areas) and have knowledgeable staff that will be able to accurately calculate your home’s cooling load,...
How to Determine Air Conditioner Size for Your Home
It’s extremely important to install the right air conditioner size in your home. A system that is too big (or too small) can be prone to premature wear and tear, breakdowns, higher energy bills and uneven cooling. The best way to determine what AC size you need is to...