Helpful Articles

That Banging Noise in Your Duct-work Really Means

Posted on April 28, 2026
By John's Home Comfort
Should You Worry? When your home's duct-work starts banging or popping, it can feel like your walls are vibrating. But those sudden sounds are more than just a nuisance; they may be a sign that something is wrong with your HVAC system. From pressure imbalances to dirty air...
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HEAT VENTS 101

Posted on March 2, 2026
By John's Home Comfort
Never Block Heat Vents: Protect Your Furnace This Winter. Cold weather in Toronto means your furnace is working overtime to keep your home warm and comfortable. While most homeowners remember to schedule annual HVAC maintenance, many overlook an important detail keeping heat vents and air registers clear. Blocked...
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Posted on November 26, 2025
By John's Home Comfort
Should you Cover Air Conditioners in winter? As cold weather arrives, homeowners wonder whether they should cover their air conditioner in winter. It may feel natural to wrap your A/C tightly to protect it from snow and ice, but doing so can actually cause more harm than good....
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Your Next Air Conditioner Might Use a New Type of Refrigerant

Posted on July 21, 2025
By John's Home Comfort
The importance of using environmentally responsible refrigerants stems from their impact on the ozone layer and climate. One of the major contributors to this depletion was chlorine atoms released from chlorofluorocarbon (CFC) and hydro-chlorofluorocarbon (HFC) refrigerants. Alarmingly, a single chlorine atom can destroy over 100,000 ozone molecules. To...
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Understanding Carbon Monoxide and How to Stay Safe

Posted on May 26, 2025
By John's Home Comfort
Since 2014, Ontario has mandated that every residence must be equipped with an operational carbon monoxide detector. This requirement extends to the installation of a carbon monoxide detector in places with a combustible heat source, such as sheds or garages. Understanding Carbon Monoxide (CO) Carbon monoxide (CO) is...
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Cold Climate Mini Splits

Posted on March 1, 2025
By John's Home Comfort
Choosing the Right Mini Split for Cold Temperatures Most residential and commercial mini splits designed to operate efficiently in frigid temperatures. Low-ambient mini splits, for example, can maintain 100% efficiency down to -18°C, with reduced performance in sub-zero conditions. Mid-tier models often operate at full efficiency down to...
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7 Tips to Keep Your Home Warm This Winter, According to HVAC Pros

Posted on February 1, 2025
By John's Home Comfort
7 Tips to Keep Your Home Warm This Winter, According to HVAC Pros Winter can bring chilly temperatures, but keeping your home warm without skyrocketing energy bills is possible. HVAC professionals recommend these seven tips to improve your home’s warmth and energy efficiency. By following these seven tips,...
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Tips and Tricks to Prevent Window Condensation Without a Dehumidifier

Posted on January 10, 2025
By John's Home Comfort
Tips and Tricks to Prevent Window Condensation Without a Dehumidifier Condensation on windows is a common issue during colder months, leading to dampness, mold growth, and reduced comfort. The good news is you don’t need a dehumidifier to tackle this problem. Here are practical tips to reduce window...
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Hi-Velocity System Advantage

Posted on March 4, 2024
By John's Home Comfort
Welcome to our HVAC service hub, where innovation meets excellence in creating optimal indoor environments. Today, we delve into the revolutionary Hi-Velocity System Design, a pinnacle of engineering ingenuity that transforms the way we perceive heating, ventilation, and air conditioning. Unveiling Hi-Velocity System Design At the heart of...
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8 Ways to Save on Your Water Heating Bill

Posted on June 19, 2023
By John's Home Comfort
Heating water for showering, doing laundry, washing dishes, and other tasks is a household's second largest energy expense—after heating and cooling. Running your hot water heater can account for up to 20 percent of your water heating bill. Turning off the shower while you soap up is one...
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