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What Do You Need To Know About Furnace Heat Exchanger

December 24, 2021

What Do You Need To Know About Furnace Heat Exchanger

As the cold winter months are passing, you may be considering replacing your old furnace with a newer model. If so, you might want to consider installing a furnace heat exchanger. A furnace heat exchanger is an essential part of many furnaces, and it can help prevent significant problems in your home during the winter months. This blog will discuss what you need to know about this device and how it works.

What Is a Furnace Heat Exchanger?

A furnace heat exchanger is an integral part of most furnaces. This part helps to transfer heat from the burned fuel gasses in your home's furnace to the water that goes through a separate pipe within the unit. The heated water then flows throughout your home, providing you with warm air during cold winter months when temperatures drop below freezing outside.

What Is a Furnace Heat Exchanger Used For?

A furnace heat exchanger can be used for new construction and replacement applications. If you are replacing an existing unit, it may be easier to install it as part of the furnace itself rather than attempting to add one during the installation of each heating zone in your home. In addition, homeowners who live in colder climates, where temperatures can fall below freezing during the winter months, will benefit from having this furnace component.

Which Troubles Can Furnace Heat Exchanger Have?

While a furnace heat exchanger can help you save money on your energy bills during the winter, some potential problems may cause it to malfunction. If this furnace heat exchanger becomes clogged with dirt or debris of any kind, for example, it could prevent heated water from flowing through the unit and into your home's heating system. This will not only cause your furnace to work harder, but it may also prevent the system from heating your home sufficiently.

Taking Care of a Furnace Heat Exchanger

A furnace heat exchanger is a relatively low-maintenance device, and it should not need to be replaced very often. However, if you notice that your home's heating system isn't working as well as usual or that there seems to be less hot water flowing through the pipes than average, the chances are good that the unit may be clogged with dirt or other debris. To clean the furnace heat exchanger, you may need to remove it from the furnace and take it outside for a good scrubbing. Be sure to consult your furnace's owner's manual before attempting this, as some models may require special care when cleaning.

You can avoid these problems by having a professional service technician inspect and clean  furnace heat exchanger every few years. If you would like more information on how much it costs for our team of technicians to complete one of these services, be sure to get in touch with us at your earliest convenience! Call A-Plus Quality today!


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  • 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.

  • 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.

  • 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.  

  • What is a mini-split?

    By definition, and simply put, a “Split System” is a heating and air conditioning system which has two main components, the indoor unit and outdoor unit. In short, the indoor unit absorbs heat energy in the cooling mode, and the outdoor unit rejects the very heat absorbed by the indoor unit. And the cycle is repeated until the set temperature is met. Although the indoor and outdoor units are located in physically different, hence “split” locations, they are connected and operate as, one system; continuously circulating refrigerant liquid and vapor by means of interconnecting, dehydrated copper refrigerant lines, commonly referred to as a “Line Set”.

  • 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!

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