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Any HVAC'ers here?
#404109 05/12/14 12:37 PM
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My basement is currently under reno. While I have the basement opened up I have the opportunity to add some ventillation to the house. It currently is heated with hot water baseboard heaters and air circulation is next to nil. The place gets stale and the basement especially.

I am thinking a simple inline duct fan pulling air from each floor and exhausting on the opposing end would be enough. I'd just buy an overkill fantech unit and use a combo of a speed controller (triac dimmer) and adjustable diffusers to control the rate in each zone and noise. Thoughts? Should I just get a honking one and have a mixing box in the basement? There would be 3 intakes and exhausts through one inline unit.

There is an old laundry chute I can use to access the main and upper floor from the basement mechanical room where the duct fan would be located. Thanks in advance.

Re: Any HVAC'ers here?
AAAA #404146 05/12/14 09:17 PM
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What?! No tin bashers here? Outrageous on a speaker forum, I know. grin

I ended up researching an HRV system to do the job. Should handle exhausting the new HT too.

Re: Any HVAC'ers here?
AAAA #404152 05/12/14 10:40 PM
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Shawn (real80sman) has been extremely helpful to me in the past, but I think his area of expertise is more in products than engineering.


bibere usque ad hilaritatem
Re: Any HVAC'ers here?
AAAA #404187 05/13/14 10:33 PM
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Originally Posted By: Serenity_Now
I ended up researching an HRV system to do the job. Should handle exhausting the new HT too.


Every ducted house should have an HRV. Here's my system -



Lifebreath HRV --> Amaircare whole home HEPA filtration unit --> Trane XV90 furnace with a Generalaire humidifier. All controlled by this Honeywell WIFI thermostat.


The only reasonable argument for owning a gun is to protect yourself from the police.
Re: Any HVAC'ers here?
AAAA #404190 05/13/14 10:55 PM
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Thanks for the pic. Tidy setup there. I wish I had forced air. I miss it in the new place.

The more I learn about HRV units, the more I appreciate just how handy they can be. Basically a whole house bath fan with heat savings on the air exchange. I likey.

They qualify for eco grants where I am as well. Gotta love that.

The house has zero ducting, so these units are really the magic bullet. Easy to retrofit. Circulation, ventillation and optional filtration system. Once I learned they reduce humidity levels too I was sold.

The things I learn on the interweb I tell ya!

Re: Any HVAC'ers here?
AAAA #404191 05/13/14 11:13 PM
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They also have the additional benefit of not creating a positive or negative pressure difference between inside & outside. This helps prevent air being forced through many unknown holes in your house's air/thermal barrier which could draw moisture into the wall cavities and promote mold & rot. Hope this helps.

Dave


M60v3, VP100v3, QS8v3, EP350v4, Onkyo TX-NR905

M22v2, Vector Research VRX-9000 stereo

AxiomAir
Re: Any HVAC'ers here?
AAAA #404259 05/16/14 01:11 AM
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Sorry I'm late to the game, but the others (along with your own research) have already brought you the solution. The HRV is a fantastic piece of equipment, and will do exactly what you want.


Shawn

Epic 80/600 + M3's + M3 Algonquins + M2 Computer + EP125
I think I'm developing an addiction.
Re: Any HVAC'ers here?
AAAA #404332 05/17/14 10:10 PM
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Thanks guys!


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