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Why is My Furnace Blowing Cold Air?

October 16, 2020

Why is My Furnace Blowing Cold Air?

With winter almost upon us, it’s imperative for your heating appliances to be operable. Otherwise, you’re liable to endure an unbearably chilly holiday season. Furnaces, specifically, can sometimes blow cold air, which is an unpleasant surprise for the owner. If your furnace is malfunctioning, it’s best to contact A-Plus Quality, HVAC services in the Greater Toronto Area. For insight on why your furnace is blowing cold air, below are some of the most common causes.

Faulty Thermostat
In most cases, the thermostat is the culprit. Whether it was improperly installed, the batteries are low, or it’s not compatible with your heating system, it’s crucial for an HVAC expert to diagnose the problem. With their professional guidance, they can pinpoint the issue and ensure that it’s resolved promptly.

Old Air Filter
If you haven’t changed the air filter in some time, it could be causing your furnace to overheat. When air filters get too dirty, they can compromise the airflow. As a result, it prevents the furnace from blowing hot air. After changing the filter, restart the furnace, and it should be as good as new.

Leaking Ducts
If there are holes in the ductwork, hot air could be escaping from them. Without the necessary expertise, inspecting this problem can prove challenging. It’s for this reason why hiring HVAC services in the Greater Toronto Area is a must when addressing this complication. If the HVAC technician detects any leaks, they’ll know how to remedy the issue.

Valve Problems
Over time, your furnace collects dust, dirt, and debris. When these impurities aren’t removed, they can bog down the system. More often than not, this leads to valve complications. With a thorough cleaning, your furnace will be in tip-top shape.

Age
In some instances, old age is the problem. Though furnaces can last for about 15-20 years, they start to deteriorate after that. If you’ve had your furnace for several decades, consider investing in a new one.

If your furnace is in need of a repair or replacement, our specialists at A-Plus Quality, HVAC services in the Greater Toronto Area, will be glad to help you. Contact us today!

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Client Testimonials

  • First experience was on New Year's Day, 2020, when furnace stopped. Called A-Plus and they had a rep (Jack) out quickly. He did some troubleshooting. He wasn't giving BS. Gave me options on repairing or replacing. Non-biased, no pressure. I chose replace and it was done the next day. Good experience all around. Second experience was early March, 2021 when a harsh chemical smell emanating from the furnace room, and pushed through the HVAC venting, permeated the house. Very concerning. Was late night, called A-Plus, immediately answered and suggested some safety moves for the evening. Booked a visit for the morning. Jack again came and assessed the issue and advised where the smell came from (outside). Again, very professional, quick, no BS, good guy. Completely satisfied with the service after often being given the BS treatment from other service providers for the house. Would definitely recommend.

    Daniel Colombo
    a month ago
  • A Plus Quality Inc were absolutely AMAZING! I changed my furnace, AC, and humidifier. They were quick, efficient, professional and did an outstanding job. I definitely recommend them to everyone!

    Paul D
    in the last week
  • From the moment we called A Plus, until our heat was restored, the customer service was excellent! Polite and caring over the phone. Considerate and efficient technicians at the service end. Highly recommend.

    sue casey
    a week ago
  • A Plus Quality did a wonderful job installing our new Carrier heating system and ecobee smart thermostat. The technicians were courteous, professional and followed the health and safety protocols in regards to Covid-19. Thank you for a job well done!

    Patri A
    in the last week
  • what an amazing company, very friendly well experienced in the trade. they have lots of knowledge and the take all percostion of covid when coming into my house. they are also very clean and get the job done right. I will definitely be going to them again. I highly recommend for everyone to use a-plus quality.

    Gianluca Altobello
    a week ago

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FAQ

  • What is a heat pump?

    Heat pumps use electricity to move heat from a cool space to a warm space, making the cool space cooler and the warm space warmer. During the heating season, heat pumps move heat from the cool outdoors into your warm house and during the cooling season, heat pumps move heat from your cool house into the warm outdoors. Because they move heat rather than generate heat, heat pumps can provide equivalent space conditioning at as little as one quarter of the cost of operating conventional heating or cooling appliances.

  • What are mini-split advantages?

    Just as the name implies, a “mini-split” system is a “split system” however available in smaller capacities, for single room to whole house conditioning. Mini-split systems may range from as small as 9,000 BTUh per hour, comparable to say, a small window AC unit, for individual room use, up to 4 and 5 ton capacities for “Room By Room” (also known as “Zoning”) and whole house conditioning. With near universal design, mini-splits are “heat pumps” which provide both heating and cooling for a home. Here are key advantages when compared to traditional split systems:

    Efficiency- Mini-splits are highly engineered systems which offer attractive operating efficiencies, in many instances, eligible for utility company rebates.
    Heat Pump- Most mini-split systems are heat pumps, providing year-round comfort.
    Solar friendly- Due to very low power requirements, mini-splits are an ideal complement to “Net Zero Energy” homes, or any home using renewable power.
    Carbon footprint- Mini-splits are 100% electric, with zero operating emissions of any type.
    Zoning- Most mini-split manufacturers offer systems capable of room-by-room “zoning”, to account for peak demands of a room based upon construction type, exposure orientation and usage.
    Variable capacity- Mini-splits are typically DC inverter driven. That is, a variable speed compressor which modulates in proportion to instantaneous demand. Most conventional split systems, by comparison, operate with an ON-OFF strategy. (Would you use an ON-OFF switch as the accelerator in your vehicle?)
    Location, Location, Location!- Mini-split outdoor units are compact; they can be located far away from noise-sensitive areas, such as bedrooms and home offices. Mini-split indoor units have the ability to be installed where conventional systems cannot.
    They’re perfect for additions and remodels where access to current HVAC system is difficult to access.
    Modern mini-split systems are remarkably quiet; in fact, many times their operation is unnoticed by the end user.

  • Furnace is blowing cold air in Winter?

    This can be due to Ignition lockout, sometimes could be resolved by resetting the power  and if this does not resolve the issue you should contact a certified gas technician from A-Plus Quality to get this problem resolved!

  • Water is Leaking on my Furnace

    Water falling on to the furnace can harm your heating unit by affecting the control boards and other components enclosed in the furnace. There can be many causes to the water overflow, but the most common cases in the summer is the ice build up inside the evaporator coil due to low refrigerant level. Water build up can also be due to the evaporator coil having a crack on the base, if this is the case contact us by booking an appointment or call us today to have a technician come have a look at your unit and repair this issue before it causes excessive damage.  

  • Why should I maintain my Furnace or AC?

    An annual maintenance will extend the lifetime of your heating and cooling unit. The technician will diagnose and repair any problem with the unit before it fails, so you won't need to worry about any problems when the weather gets very hot in the summer or extremely cold in the winter.

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