Plumbing appearance/regulation question regarding sink drain and a/c
54ndy b34ch
3 years ago
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Bruce in Northern Virginia
3 years agolast modified: 3 years ago54ndy b34ch thanked Bruce in Northern VirginiaRelated Discussions
Question 2: plumbing of solar panels
Comments (22)I know a sheet of metal roofing would hold the water away from the roof. I guess if I was careful I might be able to just use the metal and one piece of glazing. But wouldn't another piece of insulation under the metal make it more efficient? Bending the edges up just a bit might make me less paranoid about leaks. Another option as apposed to screws is to use construction adhesive. It is really tough stuff. You folks are making me itchy to get out in my shop. After X-mas maybe. I think I should probably build a very small experimental trickle through collector just to try it out and see how I do with leakage. about the "sky cooling" . . . It all makes sense for the most part. Though biology is more my thing than physics. If you wouldn't mind explaining a bit more I would appreciate it. I am having trouble connecting the cooling of the panel with your explanation karen. So lets say you have a panel that is circulating warmish water in it that you want to cool down. You put it on the shady side of the house on a day when the air temperature is greater than the temperature of the water you want to cool off. So the water molecules release IR radiation into the panel and the panel passes that IR on to the air. The air is made up of all sorts of stuff, oxygen, nitrogen, CO2, water vapor & then a bunch of trace stuff. So here comes our IR wave and it runs into a gas molecule. With sunlight the gas molecules would absorb some energy and start bouncing around faster. We would measure this as a higher air temperature with a thermometer. I would imagine that the with the air being warmer than the water in the panel it would do the same thing in terms of energy transfer and warm up the water. Does IR work differently? Do some gases reflect the IR or not interact with it at all? This seems to be the key paragraph that is confusing me. "Now, not only are things on the surface radiating, but things above you are as well. However, the atmosphere isn't a nearby solid (ARE YOU IMPLYING THAT THE ATMOSPHERE RADIATES DIFFERENTLY BECAUSE IT IS A GAS INSTEAD OF A SOLID?). You're getting radiation from a broad range of particles, from ones radiating right above you, further, further, and further away, all the way out to the frigid edge of the atmosphere and beyond. It is the net radiation of these particles that matters in determining how much incoming infrared is absorbed by something that faces skyward (SO YOU ARE SAYING THAT THE NET INCOMING RADIATION FROM THE ATMOSPHERE IS LEss THAN THE OUTGOING RADIATION FROM THE PANEL?)." I am still a bit lost. Sorry for needing so much explanation. If you ever have frog questions feel free to ask and maybe I can reciprocate a bit....See MoreQuestion regarding moisture level in wood
Comments (11)@JFCWood: Since there is a (finished) basement underneath, it is some type of composite material, and the installer put some black (felt?) over it before laying in the new floor. The floor was site finished. I've measured the humidity in the basement, and it ranges between 40-50%. @gregmills: Your input is much appreciated. I've had my floor installer come out and look at it. There is definitely a moisture problem, and we may have found the source - I'll fix it and watch. In the mean time, he did cut a whole in the wall right where the aberrant boards are, and discovered that there is no evidence of moisture, at least at the end of the floor. I will be checking the underside tomorrow since the ceiling in the utility area in the basement is not finished, and the affected area isn't far away from that. This post was edited by LuckyJoe on Tue, Jul 22, 14 at 22:04...See Morediy furnace install - a/c question
Comments (40)After wandering onto this site by accident, I have become more than a little amused. In particular, concerning the supposed low cost of operating a professional heating and air-conditioning company. I have firsthand knowledge of those costs. My small business has 5 employees. In FY06, our cost of doing business was over $340,000.00. That includes wages, office and shop costs, insurance (liability, theft, workmans comp, health and auto), automotive maintenance and repair, employee retirement, tools, licensing and permits, etc. That does not include the actual cost of goods sold. Any profit that is earned beyond that amount is at least deserved. Most companies extend a one year labor warranty on the equipment they install. If there is a warranty repair, they are not compensated by the manufacturer for their time. This is a cost of doing business that most people do not consider. If a thunderstorm comes by tonight, and knocks out a compressor, we will replace it tomorrow if the year warranty is still in effect. No, that shouldnÂt be covered but we are noted for going above and beyond. It has built an incredibly loyal customer base. Three of our six vehicles are specialty utility vehicles. These are not inexpensive to purchase, operate, maintain or repair. Operation of these vehicles with gas prices at $2.50 a gallon average $.79 per mile. I am certainly not complaining about my job or my business. I make a good living and very much enjoy what I do. However, since shots have been fired, I feel compelled to fire back. Though we purposefully avoid dealing in equipment as low in quality as the unit described, I have read through a GMC 90+ Installation manual before. Reading the manufacturerÂs written instructions are not an option for this engineer. Whoever heard of an engineer that did not read the instructions? All furnace manufacturers are very specific about the installation of the exhaust vent. Regarding length, size, termination and even number of 90 and 45 degree turns allowed. Additionally on the vent, I have only seen long sweep elbows specified. The point of the exhaust vent termination is critical as are the instructions for preparing the termination area. If the directions are not followed regarding termination, you have a high probability of damaging your home. As mentioned before, we do not install GMC equipment. However, I cannot remember reading any furnace installation instructions that did not specify using a manometer for checking and setting proper gas pressure/flow. The equipment we install is very specific about transitioning mismatched sizes of furnace and indoor coil. It is obvious sir; you either did not understand or did not thoroughly read the instructions. My impression of an engineer that is earning in the mid 80Âs is they must be an underachieving, 9-5 cubicle dweller. I have been a registered PE since 1989. I think you must drive the choo choo. We are definitely not the same kind of engineer. To my knowledge, all HVAC equipment manufacturers warranties are void if the equipment is not installed by a qualified, trained HVAC professional. Your plumber looking at it after the fact does not qualify. However, manufacturers are too lenient about warranties. They will probably give you the parts that might be destroyed due to improper gas flow or improper exhaust venting. However, if something serious happens, like burning down your home or soot damage, your insurance company will want a licensed insured company to sue. Since there is not one, they just will deny the claim. My free advice here is to find an exceptionally qualified company to double check your installation. I am sure they will charge beyond what you think is "reasonable". However, you have stepped into an abyss that is beyond your comprehension....See MoreQuestion regarding powder room vanities
Comments (2)The drawers need to be modified to allow the drain to still be where it needs to be. Basically instead of a box shape, the drawer would be a "U" shape with and unused space in the back where the drain goes. http://www.adorakitchens.com/functional_accessories_collection/u_shaped_under_sink [https://www.houzz.com/products/decora-cabinets-u-shaped-vanity-drawer-prvw-vr~12403299[(https://www.houzz.com/products/decora-cabinets-u-shaped-vanity-drawer-prvw-vr~12403299)...See More54ndy b34ch
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