Few questions: Do I have to use a 4" pipe or I Hello - I have gas furnace in my home - a Lennox 75,000 80% furnace G23 q2/3-75 - with a 5"x 25' chimney liner that was installed in 2000. In theory, the combustion of gas should generate only water vapor and carbon dioxide. The bush is an excellent indicator of how wide this vent's effect is. Whether your heating fuel is natural gas (methane), LP gas (propane), No. You do not have access to www.jlconline.com. You don't have to use all of the exhaust gas, but you could hook up a regulator or just turn on/off the valve that feeds the gas to the plants. A more likely problem is killing a treasured plant with exhaust gases. Cold air blowing directly on plants often strips it of its moisture. Plants But to do that, you should first be able to find them. Why? There are still a good many plants with major energy reduction potential, and the level of adoption is uneven. John Sultzbaugh is the Director of Engineering for Hauck Manufacturing Company of Lebanon, Pennsylvania. This is generally true if the burner is clean and has been adjusted to top efficiency. The flue gases usually contain nitrogen dioxide, carbon dioxide, carbon monoxide, volatile organic compounds and particulate mater. all rights reserved. Make sure the burner flame is clear blue. I keep the area around my funace very clean and I open up and clean it out regularly. I had a "plume diverter kit" fitted to my vent. According to the U.S. Department of Energy, the recuperator is the most widely used heat recovery device. Unfortunately, even the furnaces that are highly efficient arent able to combust the gas entirely. 2. Levels as low as 0.01 ppm can create symptoms such as malformed leaves and flowers, stunted growth, bud abcission, epinasty and flower senescence. Here is the formula for burning natural gas. Never allow gases to remain inside the greenhouse. Does anyone know of a shrub that will thrive under these conditions? In any furnace operation, heat is lost from the furnace skin, from heated product leaving the treatment area, from conveyer or pusher equipment, from excessive draft and from open doors or other access points. 2 diesel oil, wood, or some alternative fuel type, the same rules apply. I'm out of here. Another byproduct is water vapor. It only takes a minute to sign up. Condensing Furnaces: Lessons from a Utility I was basing my response on the title, which suggested furnace exhaust. Landscape near a dryer vent Get up-to-date current news, promotions and industry tips. Furnace exhaust Tankless Water Heater Exhaust Killing Plants Hauck both manufactures furnace combustion equipment, including recuperative burners, and offers custom engineering services to industrial furnace users. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 1. MSU is an affirmative-action, equal-opportunity employer. Necessary cookies are absolutely essential for the website to function properly. If you dump it outside, it will kill plants, grass anything that it comes in contact with." And even if screening is installed, it will corrode into rust flakes within a year or two. :confused: One side I have a black, white and red wire which goes to the plug. To learn more, see our tips on writing great answers. Russ Chapman from Firebridge notes that larger companies are starting to benchmark their large plants against each other, and against the competition, in terms of sustainability of the plants. Ray ID: 7a303492bd8d355b Ethylene from malfunctioning greenhouse heaters may lead to crop injury. Carbon monoxide can lead to worker illness. WebFurnace exhaust is killing bushes. It is handled as a liquid and contains from 90,000 98,000 Btu/gal. A conventional natural gas furnace will vent the dangerous combustion gases through a simple vertical exhaust system that is attached to the furnace. Check out the MSU Fruit & Vegetable Crop Management Program! Furnace exhaust A free air inlet of at least 1 sq in/1000 Btu/hr input is needed. It has a heat value of from about 950 1050 Btu/cu ft. Miller holds a diploma in social services from Clarke College in Belleville, Ontario. If the color of your plants leaves is fading or if the leaves are wilting, it could be because the plant is too close to an air conditioning vent. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. For example, if your heater is 160,000 BTUs, use 160,000/100,000, or 1.6 times 50 equals 80 square inches (or about half a square foot) of air intake for the burners. Thanks for contributing an answer to Home Improvement Stack Exchange! It both protects the plants from the blast and collects any lint and keeps it from view. This colorless and odorless gas is harmless when breathed in small amounts (thats what we do all the time), but in enclosed spaces, a high concentration of CO can become extremely dangerous. Peace. Also, there seems to be a gurgling sound that I did not notice previously. High Efficiency Furnace Venting: What You Never allow gases to remain inside the greenhouse. There are several rules a grower needs to follow to be certain the heating system is beneficial to the bottom line. Although the combustion exhaust itself is clean, the heating process may be producing corrosive or particulate byproducts that could damage or clog a high efficiency heat exchanger such as one with fins. Energy reduction equals emission reduction. A conventional natural gas furnace will vent the dangerous combustion gases through a simple vertical exhaust system that is attached to the furnace. It used to be vented up to my roof and out. JavaScript is disabled. Greenhouse heating is essential to overwinter vegetables in all but the extreme southern latitudes of the U.S. Rather than just keeping plants alive, which can be done at any temperature above freezing, maintaining a temperature set point of 64F or above will help to produce a good yield of high-quality fruit from your greenhouse. Make the panel a decorative part of your garden design and folks wont even know you have a vent there. The type and quantity of impurities depends on where the fuel originated from. Chapman notes that smelting in the copper mining industry is an example of an industry starting to move in this direction. But dont increase your homes humidity just to save your plants. Landscape near a dryer vent Use indicator plants near heaters or commercially available indicator tubes to warn of excess levels of pollutants. If the system has been installed correctly and is operating right, then these gases will be expelled out of your house through the ventilation system. Other less likely, but possible sources of ethylene are from combustion engines outside the greenhouse (cars and trucks parked just outside, forklifts, etc.) MSU is an affirmative-action, equal-opportunity employer, committed to achieving excellence through a diverse workforce and inclusive culture that encourages all people to reach their full potential. Either that or the J I just put out makes it seem so. Capturing heat from the furnace Another important factor to consider before planting is the mature size of the shrub and its growth habit. Although less commonly used than recuperators, regenerators are still widely used in high temperature furnaces such as glass and steel reheat furnaces. I am wondering if there could be another reason why the shrubs are dying. You might want to talk to the installer to see if it could be better positioned as to not damage you plants. We exhale Carbon Dioxide (CO2) .. just not in the concentrations required to help a grow room. It can also be formed from ripening or rotting plant materials. The maximum lengths and numbers of bends allowed depends on the furnace design and perhaps on local code - so you should probably ask the manufacturer or installer. You must log in or register to reply here. A regenerator uses two or more vessels or vessel sections containing a high thermal conductivity matrix. We have ferns and hostas growing happily in front of it now. Follow Up: struct sockaddr storage initialization by network format-string. All gas-burning appliances generate combustion gases that can be potentially dangerous if your system is not able to get rid of them properly. WebHowever after the second year the furnace exhaust killed the top 1/3 of one holly. Thanks for these responses. Share Improve this answer Follow answered Jun 5, 2014 at 14:18 Steven 27.3k 9 51 86 3 Prevent ethylene and carbon monoxide from occurring in You might want to talk to the installer to see if it could be better positioned as to not damage you plants. So, check your plants location. I'm concerned that the exhaust could harm the bush and also that the corrosive gas could tarnish the A/C. ). Two types of heat recovery systems that are commonly used with industrial furnaces are recuperators and regenerators. Your IP: 103.30.145.169, Requested URL: www.jlconline.com/how-to/hvac/drain-pain-furnace-condensate-proves-tricky-to-manage_o, User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36. As an example he cites a Tier 2 automotive manufacturer that has a plant with a monthly energy bill of $200,000 per month. They often can handle temperature changes and dry air better than smaller plants with thin leaves. A heater that has been serviced in the fall will probably not be at peak efficiency as spring approaches. Peace. These cookies will be stored in your browser only with your consent. Spending too much time in a hot space with low humidity can lead to cracking skin, dry nose and eyes, and so on.