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Paul Cummins
- Jul 28
- 1 min
Raining in Crawlspace
This beautifully encapsulated crawlspace for a new house is affected by partial knowledge of the builders. Encapsulated crawlspaces are...
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Paul Cummins
- Jan 31, 2019
- 1 min
Duct Cleaning Results Uncertain
The article linked to photo (click on photo) from the Washington Post says studies show dust in ducts usually stays there and does not...
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Paul Cummins
- Aug 29, 2018
- 1 min
Drying without Kinks or Danger
Whenever you move into a new place I recommend you replace the dryer vent pipe. It is supposed to be cleaned every six months but people...
187 views0 comments
Paul Cummins
- Jul 24, 2018
- 1 min
Can save you from a moldy attic!
This switch senses humidity and turns on the bathroom fan automatically! Good for basement and top floor bathrooms. If moisture doesn't...
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Paul Cummins
- Jul 20, 2018
- 1 min
Heat Recovery System for Good Air
Just did my second house with a fuel oil leak. Felt loopy after just about 20 minutes in the utility room. If the leak went through the...
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Paul Cummins
- Jul 7, 2018
- 2 min
Baffled by Lack of Ventilation
The current solution to preventing mold in attics is very low tech: vents along the soffits and a ridge vent. Here's what soffit vents...
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Paul Cummins
- Jul 5, 2018
- 1 min
A dryer vent to be proud of!
Give up on those ugly, plastic dryer vents, that clog easily and rats can chew through (Yes it happened to me... rats died in bathroom...
161 views0 comments
Paul Cummins
- Sep 9, 2017
- 1 min
When the bathroom can't be vented outside
Is your condo in DC more than 50 years old? Mold in your bathroom? Many old buildings don't want to start cutting holes in the outside...
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Paul Cummins
- May 10, 2017
- 1 min
Bathroom air: get it where it needs to go.
Good air, good light: really makes a difference. These are vent ducts leading up from the two bathroom fans in the upper floor bathrooms....
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Paul Cummins
- Mar 24, 2017
- 1 min
New ways to provide soffit venting even if you don't have a soffit!
Here is the under fascia solution found in site below. 11 Best Types Of Roof Vents + Understanding Attic Ventilation - Roof Hub...
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Paul Cummins
- Feb 25, 2017
- 1 min
Great Under-Cabinet Hood!
Just inspected a new condo in DC. Really modern and bright. However, they had installed a draft hood that fit between the cabinet...
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Paul Cummins
- Feb 12, 2017
- 1 min
Good air needed in attic!
Ideally there should be continuous soffit vents and a continuous ridge vent in your attic to allow for a passive air flow over the inside...
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Paul Cummins
- Feb 2, 2017
- 1 min
Un-vented roofs
This beautiful room doesn't have a conventional attic space. It may still be vented from the eaves to ridge as required in R806.3 of the...
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Paul Cummins
- Jan 1, 2017
- 2 min
What not to put over what!
Ha! That title reminds me of the new grammar I learned while I was a peace Corps Volunteer in the Philippines. Interestingly the dialect...
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Paul Cummins
- Sep 18, 2016
- 1 min
Great air cleaner!
So, elsewhere on these blogs I suggest using washable filters in your HVAC system to save money on filters and improve airflow. To...
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Paul Cummins
- Jun 28, 2016
- 1 min
Gas Furnaces and Water Heaters Need Air!
Actually for the same reasons we do. We breathe, or respire, so our cells can get oxygen to break down glucose, a complex hydrocarbon,...
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Paul Cummins
- May 14, 2016
- 1 min
Electronic Air Cleaners Need Help to Do Their Job
There are several important layers of function in these things: the cells, prefilter and charcoal filters, for example. Also they...
71 views0 comments
Paul Cummins
- Feb 6, 2016
- 1 min
Healthy Fresh Air All Year Long!
Some of the new houses are too airtight! Most houses are stale at certain times of the year. Some need better ventilation for safety...
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Paul Cummins
- Oct 19, 2015
- 1 min
All that glitters...
Is not flex metal. This is actually aluminum coated plastic. Use solid steel flue pipe or flexible aluminum pipe as found at this link:...
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