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Understanding Your Furnace’s Limit Control Switch

The limit control switch is an important part of your furnace’s blower system, whose job it is to distribute warm air throughout your home. Yet few homeowners understand the precise role played by the limit control switch. if you would like to improve your knowledge of furnace components , read on. Here you will learn about the job of the control switch, as well as common problems it faces.  Blower Operation Understood at its most simple, the limit control switch turns the blower fan off and on. It knows when to do this thanks to a special built-in thermostat. This thermostat is responsible for monitoring the temperature inside of the furnace. When it detects heat being given off from combustion, it sends a signal to the limit control switch, which in turns starts up the blower fan.  Safety Switch The limit control switch also has another important duty: acting as a...
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Furnace Maintenance: Things to Do This Winter

Keeping your furnace properly maintained is vital in ensuring that your family stays warm this winter. With temperatures steadily dropping, it is important that you make sure that your system is in proper working order. Here are a few of the furnace maintenance steps that you can take to help ensure that your furnace works throughout the coming winter months. Replace Your Air Filter One of the most important steps you can take in maintaining your furnace is to regularly replace its filter(s), as these need to be replaced at least twice a year. When a dirty air filter is left on your furnace for too long, this will cause your furnace’s motor and fan to work harder. This will not only cost your more on your energy bills, but also, it will restrict airflow, which can lead to component failure and costly repairs.   Clean Out Your Furnace Another way...
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Understanding How A Hot Surface Igniter Works

Once upon a time, more or less every residential gas furnace  was equipped with a pilot light to accomplish the task of ignition. Now, however, more and more furnaces utilize a so-called hot surface igniter instead. This component utilizes electrical energy to start off the process of combustion. In this article you will learn more about how a hot surface igniter accomplishes this task.  Sequence Of Events The first thing that happens when your furnace receives a call for heat is that the induced draft motor starts up. This ensure that, once combustion has started, the exhaust by-products will be safely vented out of your home. A sensor then reports that the motor has successfully started, thus allowing the process to continue.  This is where the hot surface igniter comes into play. The furnace’s control board allows electrical energy to flow to the igniter, which can soon be seen glowing red...
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The Benefits of Replacing Outdated Thermostats

Homeowners often are told of the benefits replacing their outdated HVAC system can provide in their home. However, fewer homeowners are aware of the reasons why they may want to consider a new thermostat for their home as well. The fact is thermostats serve a vital role in your HVAC system, and upgrading an outdated thermostat provides several benefits to homeowners including: The Ability to Program Your System One of the greatest advantages modern thermostats provide over older models is that they can be programmed. You can tell your system specific times of the day, and days of the week, to come on, and what temperature it should be set at, and it will take care of the rest. Your thermostat will keep you comfortable without you having to set it, which can save you money on your energy bills, as you will not have to remember to turn your system...
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Advantages of Installing Ductless Cooling and Heating Systems

If you are thinking about replacing your air conditioning or heating system, consider installing a ductless one. Ductless systems don’t use ductwork and are easier to install, save energy, are more flexible, and are more fashionable. They come in two varieties: Mini-split systems, where one indoor unit is connected to a single outdoor condensing unit, and multi-split systems, where several indoor units are connected to a single condensing unit (unlike traditional systems, where several outdoor units are needed). Having a mini-split system means that you can control the temperature of each room or zone independently. Instead of heating up your whole floor, you can heat up or cool off only the room you are using. This will cut down your energy costs significantly. And did you know that more than 30 percent of your energy usage can be wasted on air escaping the ductwork in places you don’t frequent, such as the...
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