Helpful Articles

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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Benefits of Whole Home De-Humidification Systems

Posted on February 10, 2026
By John's Home Comfort
Why Your Home Needs It Maintaining the right humidity level in your home isn’t just about comfort, it’s about health, energy efficiency, and protecting your property. That’s where whole-house de-humidification comes in. Unlike portable dehumidifiers that target single rooms, a whole-house system manages moisture throughout your entire home...
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Do You Need a Condensate Neutralizer for a Boiler in Ontario?

Posted on January 22, 2026
By John's Home Comfort
If you own a high efficiency condensing boiler or tankless water heater in Toronto there’s an important plumbing detail many homeowners overlook: acidic condensate disposal. Older installations across the GTA, and surrounding Ontario communities often drain condensate directly into the sewer without a condensate neutralizer.  A setup that...
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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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Hidden Forces Inside Hydronic Systems

Posted on November 4, 2025
By John's Home Comfort
When it comes to hydronic heating systems, comfort can feel effortless, quiet warmth, steady heat, and reliable performance. However, behind that comfort, powerful forces are constantly at work. In fact, one small but critical component operates every second to keep your system safe and efficient: the expansion tank....
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Smarter Comfort with Radiant Heating & Cooling

Posted on October 8, 2025
By John's Home Comfort
Radiant heating and cooling systems are known for their exceptional comfort and energy efficiency, but did you know you can make them even better with smart controls? Modern Hydronics control systems take efficiency to the next level by managing heating and cooling more intelligently. This brings us to...
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Which Ventilation System is Best for Your Home?

Posted on August 26, 2025
By John's Home Comfort
ERV vs. HRV Creating a comfortable and healthy home goes beyond heating and cooling. It is about fresh, clean air. Modern construction techniques and materials create a more continuous and well-sealed building envelope, preventing unwanted air from entering or escaping, primarily by creating an airtight thermal envelope using...
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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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Why More Homeowners Are Switching to Tankless Water Heaters

Posted on June 24, 2025
By John's Home Comfort
Are you tired of running out of hot water during showers—or paying to keep a big water tank heated 24/7? If so, it might be time to consider a tankless water heater. At John’s Home Comfort, a growing number of homeowners in Vaughan, Etobicoke and Toronto areas making...
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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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