![]() ![]() Unfortunately, today’s mid-and high-efficiency furnaces can destroy tile-lined chimneys because 80% and 90% efficient furnaces create a lot of condensation. Technicians used draft hoods, also known as draft diverters, that introduced dilution air to the furnace’s exhaust gases and prevented moisture issues in the chimney. According to Jade Learning, chimney venting was the most popular way to vent a gas furnace. Let’s begin with one of the oldest ways to vent your gas furnace – through the chimney. However, the five most common venting methods are as follows 1. What Are Some Ways of Venting a Gas Furnace?ĭifferent technicians prefer different venting mechanisms. Venting protects the furnace from such damage. All three are corrosive chemicals that can quickly eat up internal components of the furnace. When water mixes with carbon dioxide, sulfur dioxide, or nitrogen dioxide, it forms carbonic acid, sulfuric acid, and nitric acid, respectively. Venting protects you from these hazards too. Additionally, exhaust gases are very hot, typically up to 400☏, thus can cause severe burns. ![]() Gas furnace combustion byproducts such as carbon monoxide can also cause suffocation and death of humans and pets. Venting protects you and your family from these dangers. Gas furnace combustion byproducts, such as nitrogen dioxide and sulfur dioxide, can cause many health issues, including inflamed airways, reduced ling function, and increased asthma attacks. Additionally, gas furnaces produce carbon monoxide, sulfur dioxide, and nitrogen dioxide, poisonous gases that kill hundreds of people every year.Įxhaust venting systems offer a means to remove these byproducts from your home safely. Moisture is also harmful to the structural integrity of your home. These two can combine within the furnace to produce toxic carbon acid that can quickly eat up the furnace’s internal components. For instance, a standard gas furnace generates significant carbon dioxide and moisture. Furnaces produce toxic gases that are dangerous to you, your loved ones, the appliance itself, your home, and even the environment. If you’re wondering why, the answer is – toxic fumes. It’s both a legal requirement and a safety and health obligation. This guide seeks to help homeowners and furnace installers select the best venting mechanism under different circumstances. Unfortunately, choosing the best venting mechanism isn’t always a straightforward process.Īlthough roof venting is the most popular approach, other venting mechanisms may prove even better in certain conditions. As a result, nearly all furnaces have a venting mechanism to direct the exhaust gases out of the burner chamber. A barometric draft control can potentially lengthen and intensify any chimney fire by allowing an unlimited supply of combustion air.All furnaces produce combustion gases that must be vented out of the system to ensure a healthy furnace flame and efficient heating while preventing potential gas poisoning. Note: When used with woodstoves, the connector pipe and flue must be inspected and kept clean. tee with black finish barometric draft control. (These findings must be kept in perspective, as woodstoves operated at extremely slow burn rates can still produce dangerous levels of creosote, even when operated with a barometric damper.)īoth coal and wood stoves will benefit from the installation of a barometric draft control.īlack 24g. ![]() Research has also linked the use of barometric dampers with substantial creosote reduction in the operation of woodstoves. The automatic stabilizing effect on the fire will generally lengthen the duration of burn and maintain a more constant heat output. In cases of excessively strong draft, two barometric controls in series may be required. The draft control can only decrease draft, it has no ability to increase draft. They will do an excellent job of maintaining the draft setting within reasonably close tolerances except when the total draft in the chimney drops below the setting on the barometric draft control. As the flap opens (with greater draft), more air is let into the chimney, thereby decreasing the draft to the appliance.įield Barometric Draft Controls have adjustable weights which allow the units to be set for the particular draft required. A counterbalanced flap opens and shuts depending on the strength of the negative pressure (draft) in the chimney. It stabilizes the draft to any appliance located below the barometric draft control. Others seem to “hang up” at low draft settings, making them essentially inoperative. We’ve Examined A Lot Of Draft Controls, Some Cost More And Some Less, But The Field Barometric Draft Control Is The Best We’ve Found For Both Operation And Price. ![]()
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