are all gas fireplaces ventless?
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Gas logs are designed to be installed only in wood burning fireplaces, or in some cases, a ventless firebox that is factory approved for aftermarket ventless logs. Your Napoleon gas fireplace can only be used with the burner system and logs that it came with. There are no options to change it to burn anything else.
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Tankless electric water heaters do not need to be vented. Although tankless electric water heaters may output fewer GPM than a tankless gas unit, the larger electric units can provide endless hot water for up to two major applications, which is sufficient capacity for most homes.
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Most modern gas fireplaces come with a specialized control panel that manages the fixture's pilot light. For aesthetic purposes, you'll typically find this panel hidden behind the fireplace's front screen, which you can open or remove to gain access.
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Installing a tankless water heater outside frees up indoor space and requires no additional venting. ... Traditional gas tank water heater require venting through the roof. Tankless water heaters use fans to blow exhaust from the unit horizontally, allowing vents to terminate on the side of a house.
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Ventless gas fireplace inserts usually cost between $2,000 and $3,500, including pro installation. Gel-powered ventless fireplaces, which don't require gas or help from pros, cost between $300 and $700.
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Vented Gas Fireplace Efficiency Two-pipe models offer efficiency ratings of 70 percent to 85 percent, while single-pipe units offer around 50 percent efficiency, according to the This Old House website. Single-pipe models are also known as "B-vent" gas fireplaces.
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There are safety concerns, and building scientists point out that ventless heaters can damage homes if they're not sized or used correctly. ... Ventless heaters exhaust 100 percent of their combustion products into the house. This means chemicals like carbon monoxide, nitrogen dioxide and water vapor enter the house air.
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7 Essential Gas Fireplace Safety Tips. Gas fireplaces are far safer than their wood-burning counterparts—no matches, no smoke, no sparks, no backdrafts, no soot—but that doesn't mean owners should ignore basic precautions.
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Safely using a portable butane gas stove with integrated canister. ... Portable gas stoves should never be used indoors or in confined spaces. Always allow for adequate air flow around the stove.
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Vented dryers pull room temperature air from the laundry room. They heat the air, roll the clothes around in it, then blow out the exhaust, complete with evaporated moisture, outside into the air. ... The ventless dryer, on the other hand, does not need exhaust.
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Gas fireplace efficiency includes easy maintenance, so you have no ashes or soot in the chimney with a gas fireplace. Natural gas is a fairly inexpensive form of energy, so a gas fireplace is inexpensive to run. ... Wood-burning fireplaces cost about $190 annually to produce a number of BTUs similar to a gas fireplace.
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The initial and foremost guideline of any gas fireplace system is to have it inspected every year. With professional chimney companies, you can usually have your annual chimney cleaning and gas inspection scheduled at the same time. Matter of fact, your whole system should be inspected annually, top to bottom.
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Most ventless gas fireplace inserts are considered safe for homeowners because they include an oxygen-depletion sensor that turns gas off before carbon monoxide reaches dangerous levels in the room.
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Direct Vent Gas Fireplaces – most are vented to the outdoors horizontally directly through the wall, but they can also be routed vertically through the roof. Wood Fireplaces and Stoves – venting must be terminated to the outdoors vertically.
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The Pros of a Ductless System But unlike window units, ductless units require only a very small hole to be drilled into the wall, making them less vulnerable to air leakage and security problems. Plus, they're less visible and audible. They're also exceedingly energy-efficient.
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Gas fireplaces aren't a solution for a problem chimney. ... Building codes might require that the damper in your chimney be permanently blocked open if you install gas logs. You can reduce drafts and heat loss by installing glass doors in front of the gas fireplace, but the doors must remain open while the fire is burning.
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Most washer dryer combos are ventless and are designed with drying systems that work differently from the ordinary stand-alone (vented) dryer. Instead of venting moist hot air to the outside, like a conventional dryer would, the combo unit makes use of condensation similarly to condenser dryers.