Posted: November 21, 2022 by Hey Neighbor
Although today's furnaces can generate heat using various forms of energy, natural gas is arguably the most popular option. Hey Neighbor Heating & Cooling pros are here to help you understand how your gas furnace functions, so you can identify any potential problems in your Northeast Ohio home's heating system.
You could say that your gas furnace begins the process of warming your home when you turn on your heating system, but the reality is that the thermostat runs the show.
In simplest terms, your thermostat is a temperature-activated switching device that communicates your home's inside temperature to your gas furnace's control board. Once you set your thermostat to a programmed temperature, your heating and cooling system will cycle on and off regularly to keep your home near this set level.
When your thermostat signals your gas furnace to start your heating system, the first thing that happens is your ignitor engages. Although some older gas furnaces may use a pilot light, modern gas furnaces have a much safer electronic starter.
An old-fashioned pilot light operated by having a regulator supply a small amount of gas to keep a small flame burning, which then ignited the burner when the heating process was started. If the pilot light went out, you'd risk dangerous gas could potentially leak into your home.
Fortunately, a modern electronic starter uses an element similar to a light bulb filament to ignite the burner instead. When your thermostat detects a preset temperature, it signals the furnace's electronic starter to send an electric current to the filament, creating heat that lights the natural gas burner.
A modern gas furnace's ignitor ignites the fuel in the combustion chamber, which is the area inside the unit where natural gas and oxygen mix. The system uses a draft hood or venting to take in a controlled amount of oxygen to produce clean and efficient combustion.
This same venting releases the combustion by-products to the outside air. Generally, standard-efficiency flues are made of galvanized steel, while high-efficiency units use polypropylene, which is easy to install and maintain.
It's essential to properly maintain the combustion chamber, to ensure your indoor air quality remains safe and healthy. All of the natural gas should be completely burned inside the combustion chamber. Please call us if you think your furnace isn't burning the gas properly or completely.
Above the combustion chamber, you'll find the heat exchanger, which transfers the heat generated by combustion to produce nice, warm air for your home. Heat exchangers typically use a series of metal tubes to transfer heat efficiently. Once these heated tubes arrive at the proper temperature, the motors in your gas furnace turn on and blow the hot air throughout your air duct system. As the air cools and returns to the furnace, the cycle repeats until the thermostat's target temperature is reached and signals the furnace to turn off.
Some high-efficiency gas furnaces may also contain heat exchangers with curved surfaces. This advanced design directs the airflow over more surface area, so the unit generates more heat with less fuel.
It's critical to ensure your heat exchanger is in good working order because a faulty exchanger could leak dangerous carbon monoxide (CO) gas into your home.
Your HVAC system's fan motors direct the cooler air from your home's return ducts to the hot heat exchanger to be heated once again. Some furnaces have a two-speed blower that's programmed when the furnace is installed. In contrast, high-efficiency furnaces usually have a variable speed blower that can self-modulate fan speeds. Overall, variable-speed motors are considerably more energy-efficient than conventional 2-speed systems.
Whether you need a new gas furnace, repair to your existing system, or seasonal maintenance, turn to Hey Neighbor Heating & Cooling for help. Our trained and certified experts provide high-quality service to ensure that your gas furnace continues to operate optimally for a long time to come. Call 330-262-4100 or request service online today.
We're committed to providing fast friendly emergency service 24 hours a day 7 days a week for residential heating and air conditioning systems in Wooster, Millersburg and the surrounding areas.
Our 24-hour emergency on-call service means you'll never have to go through another cold winter night or a hot, humid summer day. We service residents of Wayne and Holmes counties with no after-hours or overtime fees, so you'll never have to worry about paying extra because your furnace or air conditioner decided it wanted to quit on the weekend or a holiday!
Our service trucks are ready for your emergency after-hours service call with over 5000 stocked parts so you don't have to wait for us to chase down the parts you need.
Fast and done right the first time
We'll keep your Wayne County furnace running smoothly, and we service gas and electric heaters, heat pumps, ductless mini-split systems and more. Our local, licensed, friendly HVAC technicians drive fully-stocked service vans so when we troubleshoot your Holmes County HVAC system and find a faulty part, we can replace it right then! Whatever you need in the area of heating and cooling repair in Wooster, Millersburg, and the surrounding areas, we've got you covered!
The right system for your home
Whether you're a homeowner in Rittman who's in the market for a new, high-efficiency furnace, a mobile home owner in Shreve who's tired of baking in the summertime or you're a property manager in Dalton looking to replace old, temperamental air conditioning systems in apartments with new reliable units, our experience enables us to quickly and accurately assess your HVAC needs. You'll get the new furnace install and central air conditioning upgrade that's right for you.
Protect your investment
While we don't mind visiting your home for a dead-of-winter breakdown (it's what we do), we want to help you avoid that unfortunate situation altogether. That's why we offer affordable Wayne and Holmes County seasonal HVAC maintenance to reduce the future need for heating and cooling repairs. Our thorough inspections catch little problems before they become big ones. An annual HVAC tune-up by one of our expert techs saves you money, time, and stress!
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