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Roasting under range hood with Quest M3
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BV_Climber
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BV_Climber
Joined: 25 Sep 2013
Posts: 14
Location: Calgary
Expertise: I love coffee

Espresso: QM. Vetrano 2B
Grinder: Virtuoso and Essato Scale
Roaster: Quest M3
Posted Sun Jan 26, 2014, 12:19am
Subject: Roasting under range hood with Quest M3
 

My wife and I are building a new townhome and will be installing a hood vent. I am limited by code in my area to a limit of 300 cfm's as I cannot alter the exterior of my property for make-up-air via condo board rules, this includes the roof. Luckily, I have a 6 inch external ducting, so I'm not totally limited, with a reasonably short run of 5 ft with one 90 degree bend in the ducting.

I am interested in a vent-a-hood as it claims it is an 'open cavity' as opposed to having mesh or slated screens to capture the smoke, meaning it claims industry equivalent of approx 450 cfms. As with anything there are trade-offs, and in this case, it's price. However, we will be installing something regardless so the coffee roasting here v.s. my garage is a bonus.

Batch size and roast degree will obviously effect smoke volume, and I vary rarely go into second crack and stick to 200 g batch sizes.

Does anyone have any insight/advice to this thought process, or other things I should perhaps consider? Is this enough capacity for the quest for air flow? I'm familiar with roasting on it, just not under a hood.

Thanks in advance.
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BarryR
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Joined: 21 Nov 2010
Posts: 264
Location: Wilbraham
Expertise: I love coffee

Espresso: CC1
Grinder: Baratza Preciso
Drip: Behmor Brazen, Clever...
Roaster: Hottop KN-8828B2-K
Posted Mon Jan 27, 2014, 4:55pm
Subject: Re: Roasting under range hood with Quest M3
 

I have a Hottop, not a Quest but I greatly reduced the smoke by making a cardboard "chimney" which helped greatly. It diverts the smoke from the back of the roaster up to the vent hood.
I also grab a large piece of flat cardboard right before I eject the beans and hold it up in front of the roaster so that little smoke escapes and it goes up to the vent hood.

Not sure, but I imagine a similar process could work with the Quest.
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BV_Climber
Senior Member
BV_Climber
Joined: 25 Sep 2013
Posts: 14
Location: Calgary
Expertise: I love coffee

Espresso: QM. Vetrano 2B
Grinder: Virtuoso and Essato Scale
Roaster: Quest M3
Posted Mon Jan 27, 2014, 8:57pm
Subject: Re: Roasting under range hood with Quest M3
 

Thanks, I was thinking something similar may work to act as a channel.

I appreciate the feedback. If anyone has other ideas or can comment on lingering smell that would be great.

Thanks,
Chris
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gregr
Senior Member


Joined: 6 Mar 2010
Posts: 207
Location: Los Angeles, Ca
Expertise: I love coffee

Espresso: Livia 90
Grinder: Moka
Drip: CCD
Roaster: Huky
Posted Tue Jan 28, 2014, 7:19am
Subject: Re: Roasting under range hood with Quest M3
 

Have you attempted to talk to the HOA president about that 300 CFM limitation? It seems awfully conservative. Having lived in a townhouse for a long time I know that rules can and do get changed occasionally, and not always with a struggle.
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BV_Climber
Senior Member
BV_Climber
Joined: 25 Sep 2013
Posts: 14
Location: Calgary
Expertise: I love coffee

Espresso: QM. Vetrano 2B
Grinder: Virtuoso and Essato Scale
Roaster: Quest M3
Posted Tue Jan 28, 2014, 9:01am
Subject: Re: Roasting under range hood with Quest M3
 

That's a good question. Unfortuneately they are only enforcing legislation in the province of Alberta and are bound by it. This was introduced a few years ago and of course is applicable for any new builds since the date. the limit comes from an attempt to encourage builders to make homes more air-tight and energy efficient here. This volume is the suggested limit that will not effect possible back drafts from appliances like hot water heaters and back drafting. If I chose to just install it without a permit, I could have a hard time selling in the future if someone hired a competant home inspector.

The only way around it for me is a make-up air system to counter act increased cfm's being blown out, and since exterior alteration is not permitted, i'm stuck in that sense. Even if I could obtain approval to alter it, say for an external vent, the common wall between units is likely to narrow to put wider ducting in it(say 10" ducting for a 900 cfm blower, 8" venting might fit), which is what my range is backing on to. I would also be way to cheap to rip out a brand new wall, cabinets, refinish etc. just to increase the size of the ducting.
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gregr
Senior Member


Joined: 6 Mar 2010
Posts: 207
Location: Los Angeles, Ca
Expertise: I love coffee

Espresso: Livia 90
Grinder: Moka
Drip: CCD
Roaster: Huky
Posted Tue Jan 28, 2014, 10:38am
Subject: Re: Roasting under range hood with Quest M3
 

Ahh- more at play here than I considered. I hope you find something that works for you.
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