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The difference in the air pressure in your house and the outdoors can be negative or positive. Neither is particularly beneficial. Let’s discuss negative air pressure as it relates to…

…burning wood. NEGATIVE AIR PRESSURE? Another possibility of a poor draft in your fireplace, stove or insert is negative air pressure. We alluded to this earlier, but let’s discuss it…

…can happen. The airflow in the flue can reverse, and cold air will spill down the chimney, bringing odors. A quick way to check if negative air pressure exists in…

…a window to allow more combustion air to the fire. This technique should help getting a draft established. (See also: What Is Negative Air Pressure?) If negative air pressure is…

…indicator that your home has negative air pressure. Alterations to your home such as remodeling, weatherizing and adding a venting system can all result in negative air pressure. When a…

…creates air movement. As this moving hot air carries the by-products of combustion out of the house, more oxygen-rich air is pulled into the firebox. This air feeds the flames…

…cause a periodic downdraft. But a negative air pressure condition will draw a constant stream of cold outside air spilling into the room. Wood Fireplace Ambiance Flair GAS FIREPLACES Occasionally,…

…warm air is less dense than colder air, rising heat creates air movement (known as drafting) that carries the by-products of combustion out of the house. The effectiveness of the…

…(that is, where the actual fire is burning) and the top of the chimney. The warm air from the fire and this difference in air pressure creates air moving up…

…walls with air flowing between). As the burner heats the inner wall, circulating air draws this heat and transfers it into your room. Airflow: A small fan beneath the burner…

…process. This means that the air for the combustion process comes from outside, via a special vent pipe. Inside room air is not used for combustion purposes. Only air from…

…problem with the chimney flue. It could be a negative air pressure situation. Or, it could be an operator error. Regardless, it’s a serious situation, and you may need a…

…widely used and popular. At normal temperatures and pressures, LPG is gaseous. But, when put under modest pressure or cooling, it changes to a liquid state. LPG is used on…

…insert are your best option. These doors help provide long burn times by keeping air from slipping around the glass. A primary air control provides all air supplied to the…

…air and is generally bad for air quality. Eco Logs Pressure treated lumber also falls into the NEVER burn category. Pressure treated wood is treated with a variety of chemicals….

…from combustion out of the firebox, to atmosphere. The larger outside pipe, normally 7 or 8 inches in diameter, brings outside air for combustion purposes into the unit. Direct vented…

…tight. EPA certified fireplaces have primary air controls that will allow a specific volume of air into the firebox for efficient combustion to occur. In essence, the chimney is always…

…air chambers in fireplaces or stoves, heat is transferred from the hot surfaces to the moving air. The fan circulates this warmer air through the appliance and back into the…

…to be burned with the doors closed tight. FIREPLACE DAMPER VS. AIR CONTROL EPA-certified fireplaces have primary air controls that allow a specific air volume into the firebox for efficient…

…then a mechanical make-up air system should be installed and interlocked with the range hood. It results in an equal amount of air that is brought into the house. Neutral…

…pushed up against it in an attempt to reduce the cold air spilling into the living room. Does any of this sound familiar to you? If so, you have several…

…your preferred level of comfort, it’s essential to calculate the strength (or amount of energy) needed to condition the air to perfection. Use a BTU calculator to figure out what…

…use a convective air chamber that is designed within the appliance to house a blower. As the fan draws heavier, cooler air from the floor, the air is heated in…

…is not in use. Cold air is denser than warm air, and so warm air rises. That being the case, it isn’t always easy for that warm air to escape…

…gas will not be consumed. Low levels of combustion air will yield a flame that is too yellow and orange. Inadequate air is guaranteed to produce soot. Too much air…

…biggest negative with electric hearth products is the amount of heat from the appliance. But, depending on your situation, an electric fireplace or stove would be a great choice. Amantii…

…system since they use a sealed combustion process that brings outside air into the firebox for combustion purposes. Two aluminum liners, either 3” or 4” flexible pipes, are installed up…

…Obviously, doors are not the only control for combustion air to a fire. The primary air control on the fireplace is the means to do this. But the primary air…

…and the heat quickly warms the air inside the fireplace. Warmer air has more moisture than cooler air. One of the by-products of combustion is water vapor. As the water…

…goes into extending, pressure testing and connecting a gas line. Analyzing a venting profile, using a manometer, replacing a gas valve or adjusting the air/fuel mix are jobs best left…

…should be part of the maintenance routine: Checking gas pressure Adjusting the air/fuel ratio Enhancing the ember bed Electronically sniffing for gas leaks Cleaning the inside of the glass PELLET…

…money on an electric fireplace than a similar size gas model. A gas fireplace is a more complicated piece of equipment with an ignition system, adjustable gas valve, gas pressure…

…cause the chimney to heat up, start drafting properly and overcome the cold air impasse. AIR AND HEAT Air and heat are critical to get a fire established. Before you…

…few models that will be a good fit. Gas inserts are sealed combustion units, meaning they get their air for combustion purposes from the outside, not air from inside the…

…gas technician before use. They will check for gas leaks, flame impingement, the correct gas pressure, and other items. They will also have materials to enhance the appearance of the…

…Fair Many Fair Pine, White 15.9 2250 Easy Poor Moderate Fair Pinyon 27.1 3000 Easy Fair Moderate Good Red Cedar, Eastern 13.0 2060 Easy Poor Many Fair      …

…a fireplace to operate properly and burn logs to generate heat, a large quantity of air is needed. It can sometimes be helpful to have outside air inlets installed, in…

…There should be no air leaking around the edge of the glass. All combustion air is supplied to the fire via the primary air control and/or an appropriate outside air…

…might be from a lack of return air ducts from the forced-air furnace or just poorly insulated walls and sill box areas. Go for a big burner in the fireplace….

…glass getting to the fire. The air for combustion air is carefully controlled by a primary air lever. Doors for efficient, EPA certified fireplaces and stoves are best replaced by…

…and air for the fire comes from the outside, via a special co-axial pipe. Room air is not used for combustion, but rather is heated as it circulates around the…

…manufacturer. Wood Boilers and Warm Air Furnaces Wood boilers and warm air furnaces are also subject to a regulation on their emissions. Since May 15th 2020, new lower Step 2…

…will check and adjust, if necessary, to ensure the proper air/fuel ratio and gas pressures are correct. Read the owner’s manual and understand the equipment and controls. Like the wood-burning…

…When activated, this device can blow additional air into the fireplace via the ashtray grate. Lighting a fire has never been easier and faster. Air Wash System for Wood Fireplaces…

…combustion air, chimney temperatures might not be kept warm enough. More combustion air creates higher burning temperatures. Low chimney temperatures encourage condensation. Other red flags for creosote issues include connecting…

…house current to run. The burner will ignite, but the fan will not move any air. Direct-vented gas fireplaces are sealed combustion units. This means that air for combustion purposes…

…and circulate air. The view of the fire is especially impressive. Thanks to the latest air wash technology, the ceramic glass stays clean so you can enjoy the show! If…

…the blower fan will circulate warm air along with the dust and pet hair back into your living room. Since some people with allergies might react to the odors of…