Hello, In my research regarding the best hrv choice for my house design, I was always disappointed by the low cfm a hrv would be able to remove from the bathroom. The house will be very tight so I need to remove the high humidity asap. I found the aldes hrv that closes damper in other bathroom so only the one in use can benefit from all the cfm the hrv can suck... any one familiar with this system? I haven't found any post that discussed this. thanks

Let us know how the Aldes product works for you.

Well, if I can't locate a few happy custommers, I won't go with this system. It seems almost too good to be true... why doesn't the other manufacturers offer similar option? Is there a drawback I can't see?

I found a video that shows operation, it really seems to solve a lot of problem regarding hrv and bathroom fans... http://www.youtube.com/watch?v=oA20qusaP44&feature=youtu.be

The Aldes system looks like a very well made system. They are Canadian built and are very popular in Canada. They've been around for decades. I am considering the same unit. It has a lot of nice features to it and the damper doors are a great idea. It saves on having to get energy wasteful bathroom fans and then making numerous protrusions in the roof. You can run all the bathroom vents through the HRV unit.

I would run the exhaust air from the bathrooms and kitchen (not near the stove-use a range hood for that) and run the conditioned outside air into the main area of the home. You don't want the conditioned air flowing over your bed or office area, as it will cause "cold" drafts during winter. Channel the conditioned air where it can be circulated throughout the home without making a particular cold spot/draft.