Range hood vents into crawl spaceWhat kind of screws for crawl space vents?What is the quietest range (cooker) hood?Forced air heating air inlet in crawl spaceCan I vent my dryer into the crawl space without creating mold and moisture problems?Dryer exhaust from 2nd floor through crawl space, out roofdryer vent . venting into the crawl spaceCan I use flex duct for a range hood exhaust?Range Vent Hood Ducting - Can two 5“ ducts work in place of one 10” for a range vent hood?Reattach separated range hood duct in attic, without accessReplace Over the range microwave with hood
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Range hood vents into crawl space
What kind of screws for crawl space vents?What is the quietest range (cooker) hood?Forced air heating air inlet in crawl spaceCan I vent my dryer into the crawl space without creating mold and moisture problems?Dryer exhaust from 2nd floor through crawl space, out roofdryer vent . venting into the crawl spaceCan I use flex duct for a range hood exhaust?Range Vent Hood Ducting - Can two 5“ ducts work in place of one 10” for a range vent hood?Reattach separated range hood duct in attic, without accessReplace Over the range microwave with hood
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My house was built in 1976. I recently replaced the range hood and discovered that the piece of rectangular ducting that runs inside the cabinet is not connected to the outlet vent on the outside of the house. It effectively vents into the crawl space under the roof. That crawl space is not used for anything, and in fact it is not even accessible.
My contractor quoted 650$ to install the duct, which is not surprising given the difficulty accessing that space.
What are the pros and cons to installing the duct vs. leaving it as is? Out of curiosity, was it considered a standard practice in the 70's to skip a 10-foot section of ducting and let the cooking fumes dissipate in a crawl space?
vent ducts
asked 8 hours ago
user443854user443854
65571528
add a comment |
My house was built in 1976. I recently replaced the range hood and discovered that the piece of rectangular ducting that runs inside the cabinet is not connected to the outlet vent on the outside of the house. It effectively vents into the crawl space under the roof. That crawl space is not used for anything, and in fact it is not even accessible.
My contractor quoted 650$ to install the duct, which is not surprising given the difficulty accessing that space.
What are the pros and cons to installing the duct vs. leaving it as is? Out of curiosity, was it considered a standard practice in the 70's to skip a 10-foot section of ducting and let the cooking fumes dissipate in a crawl space?
vent ducts
asked 8 hours ago
user443854user443854
65571528
3
When I think crawlspace, I think under the house. So this is venting into the attic?
– JPhi1618
7 hours ago
Consult your favorite dictionary, or follow this link: merriam-webster.com/dictionary/crawl%20space I suppose, attic is a better word. English is not my first language.
– user443854
7 hours ago
1
The ICC Code requires all exhaust fans to discharge to the exterior of the building and cannot be discharged to the attic or crawl space. (BTW, I’d use ridged steel duct.)
– Lee Sam
6 hours ago
add a comment |
My house was built in 1976. I recently replaced the range hood and discovered that the piece of rectangular ducting that runs inside the cabinet is not connected to the outlet vent on the outside of the house. It effectively vents into the crawl space under the roof. That crawl space is not used for anything, and in fact it is not even accessible.
My contractor quoted 650$ to install the duct, which is not surprising given the difficulty accessing that space.
What are the pros and cons to installing the duct vs. leaving it as is? Out of curiosity, was it considered a standard practice in the 70's to skip a 10-foot section of ducting and let the cooking fumes dissipate in a crawl space?
vent ducts
asked 8 hours ago
user443854user443854
65571528
My house was built in 1976. I recently replaced the range hood and discovered that the piece of rectangular ducting that runs inside the cabinet is not connected to the outlet vent on the outside of the house. It effectively vents into the crawl space under the roof. That crawl space is not used for anything, and in fact it is not even accessible.
My contractor quoted 650$ to install the duct, which is not surprising given the difficulty accessing that space.
What are the pros and cons to installing the duct vs. leaving it as is? Out of curiosity, was it considered a standard practice in the 70's to skip a 10-foot section of ducting and let the cooking fumes dissipate in a crawl space?
vent ducts
vent ducts
asked 8 hours ago
user443854user443854
65571528
asked 8 hours ago
user443854user443854
65571528
asked 8 hours ago
user443854user443854
65571528
asked 8 hours ago
user443854user443854
65571528
asked 8 hours ago
user443854user443854
65571528
65571528
3
When I think crawlspace, I think under the house. So this is venting into the attic?
– JPhi1618
7 hours ago
Consult your favorite dictionary, or follow this link: merriam-webster.com/dictionary/crawl%20space I suppose, attic is a better word. English is not my first language.
– user443854
7 hours ago
1
The ICC Code requires all exhaust fans to discharge to the exterior of the building and cannot be discharged to the attic or crawl space. (BTW, I’d use ridged steel duct.)
– Lee Sam
6 hours ago
add a comment |
3
When I think crawlspace, I think under the house. So this is venting into the attic?
– JPhi1618
7 hours ago
Consult your favorite dictionary, or follow this link: merriam-webster.com/dictionary/crawl%20space I suppose, attic is a better word. English is not my first language.
– user443854
7 hours ago
1
The ICC Code requires all exhaust fans to discharge to the exterior of the building and cannot be discharged to the attic or crawl space. (BTW, I’d use ridged steel duct.)
– Lee Sam
6 hours ago
3
3
When I think crawlspace, I think under the house. So this is venting into the attic?
– JPhi1618
7 hours ago
When I think crawlspace, I think under the house. So this is venting into the attic?
– JPhi1618
7 hours ago
Consult your favorite dictionary, or follow this link: merriam-webster.com/dictionary/crawl%20space I suppose, attic is a better word. English is not my first language.
– user443854
7 hours ago
Consult your favorite dictionary, or follow this link: merriam-webster.com/dictionary/crawl%20space I suppose, attic is a better word. English is not my first language.
– user443854
7 hours ago
1
1
The ICC Code requires all exhaust fans to discharge to the exterior of the building and cannot be discharged to the attic or crawl space. (BTW, I’d use ridged steel duct.)
– Lee Sam
6 hours ago
The ICC Code requires all exhaust fans to discharge to the exterior of the building and cannot be discharged to the attic or crawl space. (BTW, I’d use ridged steel duct.)
– Lee Sam
6 hours ago
add a comment |
2 Answers
2
active
oldest
votes
Regardless of if this was ever standard, it's a bad idea. I lived in a 60's built house and the dryer vented under the house from a hole in the floor. The lint and moisture issues there were pretty bad to say the least.
The same issue is happening in your attic (crawlspace?). The moisture in the exhausted air can cause problems for sure. The air can also contain grease and other contaminants that will build up and cause... general grossness.
It's true that if you don't use the hood very much, it might not be a big deal, but if you want to to be done right, it needs to be in a duct from the hood, all the way until it exists the house through a wall or the roof.
answered 7 hours ago
JPhi1618JPhi1618
11.2k22548
The "grossness" argument does resonate. I am definitely inclined to do this right, but what gave me a pause was my wife asking: "if it's been like this for 40 years, why do you want to do it now?"
– user443854
7 hours ago
1
Honestly, it will depend a lot on the usage of the hood. Some people are going to cook dishes that will have more oily residue and the duct (or lack of duct) can get gross. If you're using the proper filters on the hood, that helps as well. The moisture can be an issue because it can't be filtered out, but if you're not using it a lot, the space will have time to dry out between uses if it ever gets damp in the first place. I assumed you wanted to fix it and needed reasons why. If it's working for you, I'm not sure I can justify spending > $600 to "fix" it.
– JPhi1618
7 hours ago
add a comment |
Not standard and never should be ducted into a confined space. The duct should exit the home with the shortest possible path and least bends possible, the contractor should of course have the proper license and insurance and the signed contract should specify the completion date and penalties for cost and time overruns.
edited 7 hours ago
manassehkatz
11.8k1643
answered 7 hours ago
Bob the builderBob the builder
2297
New contributor
Bob the builder is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Well, strictly speaking it is not confined. There is a vent. If this is prohibited by the building code, I would like to gain some understanding of the reasoning behind it, and what would happen if that was not followed, e.g. cooking oil deposits accumulating over the years and creating fire hazard.
– user443854
7 hours ago
3
I've never seen an exhaust hood vented into the attic, but yes, the grease would cause "general grossness" and could contribute to a fire, mold growth, or insect infestation. The water vapor would also condense and over time lead to mold growth and wood rot. Your exhaust hood should definitely be vented outside. Side note... check your bath fan too; they need to be vented outside for the same reason.
– Eric Simpson
7 hours ago
Talking of licensing and all that, what sort of contractor/license should we be looking for when wanting to put a vent in the roof? A roofing contractor?
– Zac Faragher
1 hour ago
add a comment |
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2 Answers
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active
oldest
votes
2 Answers
2
active
oldest
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oldest
votes
Regardless of if this was ever standard, it's a bad idea. I lived in a 60's built house and the dryer vented under the house from a hole in the floor. The lint and moisture issues there were pretty bad to say the least.
The same issue is happening in your attic (crawlspace?). The moisture in the exhausted air can cause problems for sure. The air can also contain grease and other contaminants that will build up and cause... general grossness.
It's true that if you don't use the hood very much, it might not be a big deal, but if you want to to be done right, it needs to be in a duct from the hood, all the way until it exists the house through a wall or the roof.
answered 7 hours ago
JPhi1618JPhi1618
11.2k22548
The "grossness" argument does resonate. I am definitely inclined to do this right, but what gave me a pause was my wife asking: "if it's been like this for 40 years, why do you want to do it now?"
– user443854
7 hours ago
1
Honestly, it will depend a lot on the usage of the hood. Some people are going to cook dishes that will have more oily residue and the duct (or lack of duct) can get gross. If you're using the proper filters on the hood, that helps as well. The moisture can be an issue because it can't be filtered out, but if you're not using it a lot, the space will have time to dry out between uses if it ever gets damp in the first place. I assumed you wanted to fix it and needed reasons why. If it's working for you, I'm not sure I can justify spending > $600 to "fix" it.
– JPhi1618
7 hours ago
add a comment |
Regardless of if this was ever standard, it's a bad idea. I lived in a 60's built house and the dryer vented under the house from a hole in the floor. The lint and moisture issues there were pretty bad to say the least.
The same issue is happening in your attic (crawlspace?). The moisture in the exhausted air can cause problems for sure. The air can also contain grease and other contaminants that will build up and cause... general grossness.
It's true that if you don't use the hood very much, it might not be a big deal, but if you want to to be done right, it needs to be in a duct from the hood, all the way until it exists the house through a wall or the roof.
answered 7 hours ago
JPhi1618JPhi1618
11.2k22548
The "grossness" argument does resonate. I am definitely inclined to do this right, but what gave me a pause was my wife asking: "if it's been like this for 40 years, why do you want to do it now?"
– user443854
7 hours ago
1
Honestly, it will depend a lot on the usage of the hood. Some people are going to cook dishes that will have more oily residue and the duct (or lack of duct) can get gross. If you're using the proper filters on the hood, that helps as well. The moisture can be an issue because it can't be filtered out, but if you're not using it a lot, the space will have time to dry out between uses if it ever gets damp in the first place. I assumed you wanted to fix it and needed reasons why. If it's working for you, I'm not sure I can justify spending > $600 to "fix" it.
– JPhi1618
7 hours ago
add a comment |
Regardless of if this was ever standard, it's a bad idea. I lived in a 60's built house and the dryer vented under the house from a hole in the floor. The lint and moisture issues there were pretty bad to say the least.
The same issue is happening in your attic (crawlspace?). The moisture in the exhausted air can cause problems for sure. The air can also contain grease and other contaminants that will build up and cause... general grossness.
It's true that if you don't use the hood very much, it might not be a big deal, but if you want to to be done right, it needs to be in a duct from the hood, all the way until it exists the house through a wall or the roof.
answered 7 hours ago
JPhi1618JPhi1618
11.2k22548
Regardless of if this was ever standard, it's a bad idea. I lived in a 60's built house and the dryer vented under the house from a hole in the floor. The lint and moisture issues there were pretty bad to say the least.
The same issue is happening in your attic (crawlspace?). The moisture in the exhausted air can cause problems for sure. The air can also contain grease and other contaminants that will build up and cause... general grossness.
It's true that if you don't use the hood very much, it might not be a big deal, but if you want to to be done right, it needs to be in a duct from the hood, all the way until it exists the house through a wall or the roof.
answered 7 hours ago
JPhi1618JPhi1618
11.2k22548
answered 7 hours ago
JPhi1618JPhi1618
11.2k22548
answered 7 hours ago
JPhi1618JPhi1618
11.2k22548
answered 7 hours ago
JPhi1618JPhi1618
11.2k22548
11.2k22548
The "grossness" argument does resonate. I am definitely inclined to do this right, but what gave me a pause was my wife asking: "if it's been like this for 40 years, why do you want to do it now?"
– user443854
7 hours ago
1
Honestly, it will depend a lot on the usage of the hood. Some people are going to cook dishes that will have more oily residue and the duct (or lack of duct) can get gross. If you're using the proper filters on the hood, that helps as well. The moisture can be an issue because it can't be filtered out, but if you're not using it a lot, the space will have time to dry out between uses if it ever gets damp in the first place. I assumed you wanted to fix it and needed reasons why. If it's working for you, I'm not sure I can justify spending > $600 to "fix" it.
– JPhi1618
7 hours ago
add a comment |
The "grossness" argument does resonate. I am definitely inclined to do this right, but what gave me a pause was my wife asking: "if it's been like this for 40 years, why do you want to do it now?"
– user443854
7 hours ago
1
Honestly, it will depend a lot on the usage of the hood. Some people are going to cook dishes that will have more oily residue and the duct (or lack of duct) can get gross. If you're using the proper filters on the hood, that helps as well. The moisture can be an issue because it can't be filtered out, but if you're not using it a lot, the space will have time to dry out between uses if it ever gets damp in the first place. I assumed you wanted to fix it and needed reasons why. If it's working for you, I'm not sure I can justify spending > $600 to "fix" it.
– JPhi1618
7 hours ago
The "grossness" argument does resonate. I am definitely inclined to do this right, but what gave me a pause was my wife asking: "if it's been like this for 40 years, why do you want to do it now?"
– user443854
7 hours ago
The "grossness" argument does resonate. I am definitely inclined to do this right, but what gave me a pause was my wife asking: "if it's been like this for 40 years, why do you want to do it now?"
– user443854
7 hours ago
1
1
Honestly, it will depend a lot on the usage of the hood. Some people are going to cook dishes that will have more oily residue and the duct (or lack of duct) can get gross. If you're using the proper filters on the hood, that helps as well. The moisture can be an issue because it can't be filtered out, but if you're not using it a lot, the space will have time to dry out between uses if it ever gets damp in the first place. I assumed you wanted to fix it and needed reasons why. If it's working for you, I'm not sure I can justify spending > $600 to "fix" it.
– JPhi1618
7 hours ago
Honestly, it will depend a lot on the usage of the hood. Some people are going to cook dishes that will have more oily residue and the duct (or lack of duct) can get gross. If you're using the proper filters on the hood, that helps as well. The moisture can be an issue because it can't be filtered out, but if you're not using it a lot, the space will have time to dry out between uses if it ever gets damp in the first place. I assumed you wanted to fix it and needed reasons why. If it's working for you, I'm not sure I can justify spending > $600 to "fix" it.
– JPhi1618
7 hours ago
add a comment |
Not standard and never should be ducted into a confined space. The duct should exit the home with the shortest possible path and least bends possible, the contractor should of course have the proper license and insurance and the signed contract should specify the completion date and penalties for cost and time overruns.
edited 7 hours ago
manassehkatz
11.8k1643
answered 7 hours ago
Bob the builderBob the builder
2297
New contributor
Bob the builder is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Well, strictly speaking it is not confined. There is a vent. If this is prohibited by the building code, I would like to gain some understanding of the reasoning behind it, and what would happen if that was not followed, e.g. cooking oil deposits accumulating over the years and creating fire hazard.
– user443854
7 hours ago
3
I've never seen an exhaust hood vented into the attic, but yes, the grease would cause "general grossness" and could contribute to a fire, mold growth, or insect infestation. The water vapor would also condense and over time lead to mold growth and wood rot. Your exhaust hood should definitely be vented outside. Side note... check your bath fan too; they need to be vented outside for the same reason.
– Eric Simpson
7 hours ago
Talking of licensing and all that, what sort of contractor/license should we be looking for when wanting to put a vent in the roof? A roofing contractor?
– Zac Faragher
1 hour ago
add a comment |
Not standard and never should be ducted into a confined space. The duct should exit the home with the shortest possible path and least bends possible, the contractor should of course have the proper license and insurance and the signed contract should specify the completion date and penalties for cost and time overruns.
edited 7 hours ago
manassehkatz
11.8k1643
answered 7 hours ago
Bob the builderBob the builder
2297
New contributor
Bob the builder is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Well, strictly speaking it is not confined. There is a vent. If this is prohibited by the building code, I would like to gain some understanding of the reasoning behind it, and what would happen if that was not followed, e.g. cooking oil deposits accumulating over the years and creating fire hazard.
– user443854
7 hours ago
3
I've never seen an exhaust hood vented into the attic, but yes, the grease would cause "general grossness" and could contribute to a fire, mold growth, or insect infestation. The water vapor would also condense and over time lead to mold growth and wood rot. Your exhaust hood should definitely be vented outside. Side note... check your bath fan too; they need to be vented outside for the same reason.
– Eric Simpson
7 hours ago
Talking of licensing and all that, what sort of contractor/license should we be looking for when wanting to put a vent in the roof? A roofing contractor?
– Zac Faragher
1 hour ago
add a comment |
Not standard and never should be ducted into a confined space. The duct should exit the home with the shortest possible path and least bends possible, the contractor should of course have the proper license and insurance and the signed contract should specify the completion date and penalties for cost and time overruns.
edited 7 hours ago
manassehkatz
11.8k1643
answered 7 hours ago
Bob the builderBob the builder
2297
New contributor
Bob the builder is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Not standard and never should be ducted into a confined space. The duct should exit the home with the shortest possible path and least bends possible, the contractor should of course have the proper license and insurance and the signed contract should specify the completion date and penalties for cost and time overruns.
edited 7 hours ago
manassehkatz
11.8k1643
answered 7 hours ago
Bob the builderBob the builder
2297
New contributor
Bob the builder is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 7 hours ago
manassehkatz
11.8k1643
edited 7 hours ago
manassehkatz
11.8k1643
edited 7 hours ago
manassehkatz
11.8k1643
11.8k1643
answered 7 hours ago
Bob the builderBob the builder
2297
New contributor
Bob the builder is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered 7 hours ago
Bob the builderBob the builder
2297
answered 7 hours ago
Bob the builderBob the builder
2297
2297
New contributor
Bob the builder is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Bob the builder is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Well, strictly speaking it is not confined. There is a vent. If this is prohibited by the building code, I would like to gain some understanding of the reasoning behind it, and what would happen if that was not followed, e.g. cooking oil deposits accumulating over the years and creating fire hazard.
– user443854
7 hours ago
3
I've never seen an exhaust hood vented into the attic, but yes, the grease would cause "general grossness" and could contribute to a fire, mold growth, or insect infestation. The water vapor would also condense and over time lead to mold growth and wood rot. Your exhaust hood should definitely be vented outside. Side note... check your bath fan too; they need to be vented outside for the same reason.
– Eric Simpson
7 hours ago
Talking of licensing and all that, what sort of contractor/license should we be looking for when wanting to put a vent in the roof? A roofing contractor?
– Zac Faragher
1 hour ago
add a comment |
Well, strictly speaking it is not confined. There is a vent. If this is prohibited by the building code, I would like to gain some understanding of the reasoning behind it, and what would happen if that was not followed, e.g. cooking oil deposits accumulating over the years and creating fire hazard.
– user443854
7 hours ago
3
I've never seen an exhaust hood vented into the attic, but yes, the grease would cause "general grossness" and could contribute to a fire, mold growth, or insect infestation. The water vapor would also condense and over time lead to mold growth and wood rot. Your exhaust hood should definitely be vented outside. Side note... check your bath fan too; they need to be vented outside for the same reason.
– Eric Simpson
7 hours ago
Talking of licensing and all that, what sort of contractor/license should we be looking for when wanting to put a vent in the roof? A roofing contractor?
– Zac Faragher
1 hour ago
Well, strictly speaking it is not confined. There is a vent. If this is prohibited by the building code, I would like to gain some understanding of the reasoning behind it, and what would happen if that was not followed, e.g. cooking oil deposits accumulating over the years and creating fire hazard.
– user443854
7 hours ago
Well, strictly speaking it is not confined. There is a vent. If this is prohibited by the building code, I would like to gain some understanding of the reasoning behind it, and what would happen if that was not followed, e.g. cooking oil deposits accumulating over the years and creating fire hazard.
– user443854
7 hours ago
3
3
I've never seen an exhaust hood vented into the attic, but yes, the grease would cause "general grossness" and could contribute to a fire, mold growth, or insect infestation. The water vapor would also condense and over time lead to mold growth and wood rot. Your exhaust hood should definitely be vented outside. Side note... check your bath fan too; they need to be vented outside for the same reason.
– Eric Simpson
7 hours ago
I've never seen an exhaust hood vented into the attic, but yes, the grease would cause "general grossness" and could contribute to a fire, mold growth, or insect infestation. The water vapor would also condense and over time lead to mold growth and wood rot. Your exhaust hood should definitely be vented outside. Side note... check your bath fan too; they need to be vented outside for the same reason.
– Eric Simpson
7 hours ago
Talking of licensing and all that, what sort of contractor/license should we be looking for when wanting to put a vent in the roof? A roofing contractor?
– Zac Faragher
1 hour ago
Talking of licensing and all that, what sort of contractor/license should we be looking for when wanting to put a vent in the roof? A roofing contractor?
– Zac Faragher
1 hour ago
add a comment |
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3
When I think crawlspace, I think under the house. So this is venting into the attic?
– JPhi1618
7 hours ago
Consult your favorite dictionary, or follow this link: merriam-webster.com/dictionary/crawl%20space I suppose, attic is a better word. English is not my first language.
– user443854
7 hours ago
1
The ICC Code requires all exhaust fans to discharge to the exterior of the building and cannot be discharged to the attic or crawl space. (BTW, I’d use ridged steel duct.)
– Lee Sam
6 hours ago