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Forum topic by Gasman777 posted 05-08-2017 12:15 AM 685 views 0 times favorited 10 replies Add to Favorites Watch
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Gasman777

2 posts in 225 days


05-08-2017 12:15 AM

I’m currently working in the garage but I’m thinking of moving everything into an ac room and making it a shop. It’s a room that is connected to the home hvac but only opens up to the garage using double doors, which could be perfect. Two major concerns are size and dust. If I get a nice dust collection system, will it collect the vast majority of the dust or is it only 75% effective? I’m concerned because I don’t want 2” of dust everywhere every time I work and I’m worried about collection effectiveness with the miter saw, sanders, and table saw. hvac has a return vent to the room which I’d have to filter. Currently dust is no concern, I have a pass through garage so I open up front door and back door, crank up the blower, and blow it from one end and out the other. But it’s obviously Not climate controlled and I live in the Texas heat. It’s manageable now but I always think about that ac room 20’ away….

Other concern is size. The room is only 13×16. I’m fairly new to this hobby so I currently have a table saw, miter saw, bench planer, sanders, and clamps. I’ve also built several work benches but I’m sure I’d have to make smaller or adjust if I decide to do this. Ripping 8’ boards could work as I could start the cut using the double doors. I’m just worried that the size might be too cramped….

Any feedback is appreciated.


10 replies so far

View eflanders's profile

eflanders

219 posts in 1690 days


#1 posted 05-08-2017 12:56 AM

How about adding a separate a/c unit to the garage? Space is not lost, dust doesn’t get into the home system and the cost and hassle of relocating your shop is saved.

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Jimbo4

1578 posts in 2603 days


#2 posted 05-08-2017 01:30 AM

Mini-split ?

-- When I was a kid I wanted to be older . . . . . this CRAP is not what I expected !

View a1Jim's profile

a1Jim

116594 posts in 3417 days


#3 posted 05-08-2017 02:53 AM

Welcome to Ljs
Using your house will be a big problem with dust going through your whole house.
I think adding air to the garage is a good idea.

-- http://artisticwoodstudio.com Custom furniture

View Fred Hargis's profile

Fred Hargis

4769 posts in 2333 days


#4 posted 05-08-2017 10:46 AM

I can’t gauge the level of concern you have for dust entering the house but be aware, even a world class DC setup doesn’t get it all. You’ve thrown in a miter saw which. is usually one of the hardest tools to effectively control. But even if you could you may be using hand power tools that elude dust capture (like a router). So I guess I think it’s a bad idea, but I’m (maybe) more leaning toward zero dust infiltration. Someone mentioned a mini split, that wold be a great idea to just put on your garage shop and keep the house system isolated. If you do go ahead with the switch get a DC set up ( a real one, it will be costly) that has really tight filtration as well as an ambient air cleaner. To be sure, I doubt you will see 2” of dust on everything (ever) but you will see a fine coating of the most dangerous particles…the extremely fine ones.

-- Our village hasn't lost it's idiot, he was elected to congress.

View rwe2156's profile

rwe2156

2717 posts in 1321 days


#5 posted 05-08-2017 12:55 PM

What Fred and Jim said.

If the air handler is inside the shop, build a closet around it with sealed doors to prevent any dust from entering through the removable panels.

I would insulate the garage doors with rigid insulation and air condition the garage.

I would also have an air filtration unit the best I could afford.

If you can’t vent your DC to outside, then use a canister filter.

No, you’ll never be able to have a dustless shop.

Lastly, if you don’t already have one, get a good quality respirator since you’ll be in a closed shop.

-- Everything is a prototype thats why its one of a kind!!

View Dave's profile

Dave

154 posts in 3037 days


#6 posted 05-08-2017 01:04 PM

A good DC system is only half the battle. Most tools don’t collect well at the source. I just invested in a 5 HP Oneida cyclone and I still need to run my JET air filter because of tools like my bandsaw that don’t collect above the table – and all the sanding/finishing work I do at the bench.

I’d agree with the comments above about making the garage more comfortable. But, if you must move indoors, be prepared to spend a lot of time and money modifying your tools to improve the quality of your dust collection. One idea if you go down that path might even be to tweak the DC effectiveness in the garage first and then, once you see the air quality is consistently good, move it indoors. Once that dust is in the house, it’ll spread everywhere and never come out.

-- "I'm not afraid of heights. I'm afraid of widths." - Steven Wright

View Mainiac Matt 's profile

Mainiac Matt

7465 posts in 2168 days


#7 posted 05-08-2017 02:30 PM

Sounds like a nice garage setup, but with pass through doors, it may not be tight enough to air condition well.

None the less, putting a large window unit in, or better yet, a mini-split unit, may knock down the humidity enough to make it decent.

-- Pine is fine, but Oak's no joke!

View clin's profile

clin

754 posts in 836 days


#8 posted 05-08-2017 07:27 PM

I would not use that room with the HVAC tied into it. You would need an exceptionally good filter to avoid actively drawing dust into your home’s ventilation system.

To be clear, I think you are saying this room is heated and cooled via the home HVAC. This is more than just the furnace being located in the garage.

While technically you can filter that return air, the filter would need to be very good, and the size of the return is almost certainly too small, for that type of filter. Also, the filter has to be well sealed around all edges.

I simply wouldn’t do it.

I would make use of the space, and a mini-split in there would be perfect (after sealing off the room from the home HVAC system). You could do a lot of woodworking in that space without having to access the garage (doors closed). But keep your large, less used machines in the garage. And if you need to, throw open the doors and let the mini-split cool the garage.

Keep in mind, mini-splits are designed to condition a room very efficiently and hold it that way. They are not oversized like typical AC system and therefore won’t cool a space down as quickly. So don’t expect it to take a hot garage and make it 72-degrees in 15 minutes. But would likely work well if you throw open those doors in the morning.

Of course, like any space, how well insulated and sealed the garage is will make a huge difference.

-- Clin

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Gasman777

2 posts in 225 days


#9 posted 05-09-2017 04:21 AM

Good points, thanks for the feedback. I’ll start looking into a cooler garage and keep it separate.

View crank49's profile

crank49

4026 posts in 2811 days


#10 posted 05-09-2017 04:47 PM

I’d use that room for wood storage perhaps, but not wood working.
I used to have a shop in my basement and even with extreme care I would still fumes and odors in the house.

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