Trusted Tips and Resources

Trusted Tips & Resources

Trusted Saskatoon Experts at JOB Heating & Air Explain How To Protect HVAC Systems from Snow and Ice

JOB Heating & Air Conditioning Saskatoon is eager to provide the best possible customer experience. Their aim is to be a professional resource for our clients before, during, and after the sale! Their team takes pride in service knowledge of modern equipment and training. They are recognized by peers and offer sales, service, training & installations for residential, and commercial Heating, Cooling, and Plumbing systems in Saskatoon and the surrounding area. JOB Heating & Air are Trusted Saskatoon Furnace and Air Conditioning Experts. In their latest article, they share reasons to keep your HVAC system protected from snow and ice this winter. 


The harsh elements are hard on anything left outside throughout the winter. Although air conditioner units are built to withstand winter conditions, they need help to remain protected. Especially in freezing temperatures, here are some reasons to keep your HVAC system’s outdoor unit protected this winter:

Built-Up Ice Damages The Outdoor Unit

Ice build-up can damage the outside and inside of your outdoor HVAC unit. As snow melts and re-freezes, cold temperatures cause blocks of ice to form in roofs, gutters, and other surfaces. Falling ice can also damage the exterior of your unit and the lines connected to your system. 

Ice build-up also causes internal damage to your unit. If snow and ice are not removed and build up on your outdoor HVAC unit, it causes system components to freeze. Extreme enough temperatures can cause motors to freeze, making your compressor unusable. The worst part is that you may not notice there is damage until you go to turn on your unit when the warmer months hit.

Rust Is Destructive

When snow and water are present, rust is an issue. Water expedites the oxidation process, particularly when combined with exposure to oxygen in the air. Although materials such as copper are resistant to corrosion, they are not rust-proof. Eventually, rust leads to a coil losing the capacity to operate and transfer heat properly under pressure. 

Rust will affect the internal parts of your HVAC unit and damage your system's external or structural parts. Although these components are painted or sealed, this is not enough to combat the power of rust. Typically, however, issues commence in unsealed locations such as bolts, screws, and the holes that keep your system together.

Snow And Ice Limit Air Flow 

Heat pumps are popular heating systems for many homeowners. Modern heat pumps quickly heat a home efficiently, even in temperatures below freezing. However, to be able to function, they must have access to enough heat, which can only be drawn from the air around them. Therefore, airflow is crucial for these systems. If snow and ice accumulate and block airflow, the system cannot do its job effectively. 

HVAC systems that fill up with snow will result in a similar situation. Heat transfer is impossible if snow enters the cage surrounding your interior components. As a result, your heat pump freezes, and your home will not have the heat supply it needs to be kept warm.

Ways To Protect Your Outdoor HVAC Unit

Protecting your outdoor HVAC unit from snow and ice is important to keep it in good working condition. Here are ways to protect your outdoor HVAC unit: 

  • During snow storms, always cover your HVAC system. Covering the system always gives critters a place to build a home and find shelter, which causes damage.
  • After a heavy snowfall, brush or sweep snow off your unit. Snow and ice build-up can damage it. 
  • Clear away the snow around the outdoor unit (at least a one-foot radius). With a heat pump system, the radius should be three to four feet. 
  • Never use hot water to defrost a frozen air conditioner. Hot water mixed with snow causes temperature shock, shattering even rigid metal. 
  • Always have your air conditioner inspected before use in the warmer months to ensure there is no lasting damage from the winter elements. 
These are a few reasons to protect your HVAC system from snow and ice this winter. Be sure to protect your system from the elements and schedule routine HVAC maintenance to ensure it is running as it should. If you need assistance with your furnace or home heating and cooling equipment, do not hesitate to contact the JOB Heating & Air Conditioning team. They show up on time, deliver on budget, and leave the work area cleaner than when they arrived! 
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