electronic damper system
I have a 3 year old house and would like to place a thermostat in just about every room and control each one separately with an electronic damper system. Is this possible/doable? Currently there are two furnaces/AC for the house and they are divided right/left, I would really have prefered up/down but was told it would put too much pressure on one unit. The upstairs is too hot in the summer and too hot in the winter-yes I know cold air is heavier...Is there a system to retrofit electronic control. I am about to wire the house for a sound system/alarm system and would like to make all the holes at the same time. Thanks for your assistance/suggestions in advance. Some one got to the builder Id say. To put one furnace and AC on the left and one set up on the right. When like you say it should have been one up and one down.You can go look at www.smarthomepro.com/307106html they have something that you are looking for .Also try www.microflow2000.com Years back they had a register that just open and closed from the air through a venturi right on the register. It didnt stay around to long. BUT I would not try what you want to do no way. you could turn the blower on 24/7 and go around an just ajust the registers in each room till you get what you want. I have did this and put the tstat on the return duct. ED problems will occur when too many dampers close, restricting the flow across your coil. a return bypass duct may be needed Ed and hvac4u are right about dampers being a poor choice. You cannot restrict the air on a system that is balanced because the return air volume must not change. This is done commercially but with a bypass box as mentioned. As they close to restrict air to the room they also open a chamber to bypass air back to the fan. Your root problem is either improper balancing or an improper installation. Any chance you have a 5 year builder's warranty? I have been looking at the damper control systems that are on the market from Arzel and others. They rely on a bypass system at the unit to keep from over-pressurizing the duct, which is not good from the energy stand point. These systems are done all the time on the commercial end with larger three phase fan motors. There are controls on the market now to modulate the fan speed on a single phase motor. Unfortunately we are very slow in this country in getting energy efficient systems to the market. I had to assemble a system of my own on a floor radiant system 10 years back, and it looks like the same will be needed for your forced air system. A multi-zone 24 VAC control panel, 24 VAC zone dampers and thermostats, and a fan controller with a duct static input. Hopefully jmrmd's problem is solved by now but you are right about zoning being a good way to optimise a comfort control system. There are now companies that mfr and market logic controlled residential systems. There is a residential type system like this installed in a small building where I work with bypass dampers to each zone. I haven't had a chance to do much with it yet but all its components are commercial like but on a much smaller scale. If I get a chance to do something with it I'll post the details of what it's all about. To H*LL with dampers . We have a large home we did way last summer put 9 heatpump units or zones per say in it. Works so good for the people and the liked it so well.Going to do the new home next door like that for them. This way if need be a 1 zone can have a little heat if they want it; Boy GregH this is an old dog here. ED Ed, Nine heat pumps and you call that a home??? Here that would be considered large commercal!!! Unless of course if they were 1/4 ton each. Some of the homes here are just getting out of hand. That one is a little over 10,000 sqft. most homes here start out at about 4500sq ft The condo's start about 1200 sqft. Then they might say it has a pool inside or a hot tub also. Down here with the AC load on a home and if it faces west and on the water it takes more. Like if you go fishing all day and you wear a big big hat but your face still gets sun burned all the same . The sun reflects back up off the water.Have you tried that new pvc heat pipe for under the slabs man it a dream. ED Have a good one
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