Paul Cummins
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, 20181 min read
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...
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Paul Cummins
Aug 28, 20181 min read
Don't waste money on expensive disposable air filters for your furnace!
The filters on your furnace are not there for human health--they are there to prevent relatively large particles from clogging your heat...
324 views0 comments
Paul Cummins
Jul 24, 20181 min read
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, 20181 min read
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, 20182 min read
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...
269 views0 comments
Paul Cummins
Jul 5, 20181 min read
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...
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Paul Cummins
Nov 2, 20171 min read
Forced air without tearing down walls!
Click on image for link. Here's a system by Unico. #HVAC #ventilation
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Paul Cummins
Sep 9, 20171 min read
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 27, 20171 min read
Grease is the way we are feeling.
I always wondered what those punky little screens could do under your microwave or range hood. Found out yesterday. No grease filter,...
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Paul Cummins
May 10, 20171 min read
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, 20171 min read
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, 20171 min read
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, 20171 min read
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...
108 views0 comments
Paul Cummins
Feb 12, 20171 min read
When your damper isn't there...
Some of those old one-piece dampers just can't be opened and closed easily and sometimes they have fallen out and just aren't there...
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Paul Cummins
Jan 1, 20172 min read
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, 20161 min read
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, 20161 min read
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, 20161 min read
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...
80 views0 comments
Paul Cummins
Nov 12, 20151 min read
Crawlspace Vent Closes Automatically
It responds to temperature based on different expansion rates of two metals fused together and opens automatically in the summer and...
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