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    Duct Cleaning Results Uncertain
    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...
    37 views0 comments
    Drying without Kinks or Danger
    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...
    141 views0 comments
    Can save you from a moldy attic!
    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...
    398 views0 comments
    Heat Recovery System for Good Air
    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...
    12 views0 comments
    Baffled by Lack of Ventilation
    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...
    218 views0 comments
    A dryer vent to be proud of!
    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...
    126 views0 comments
    When the bathroom can't be vented outside
    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...
    11 views0 comments
    Bathroom air: get it where it needs to go.
    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....
    96 views0 comments
    New ways to provide soffit venting even if you don't have a soffit!
    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...
    19 views0 comments
    Great Under-Cabinet Hood!
    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...
    10 views0 comments
    Good air needed in attic!
    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...
    84 views0 comments
    Un-vented roofs
    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...
    11 views0 comments
    What not to put over what!
    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...
    36 views0 comments
    Great air cleaner!
    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...
    25 views0 comments
    Gas Furnaces and Water Heaters Need Air!
    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,...
    75 views0 comments
    Electronic Air Cleaners Need Help to Do Their Job
    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...
    50 views0 comments
    Healthy Fresh Air All Year Long!
    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...
    7 views0 comments
    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:...
    23 views0 comments
    Good air means good health!
    Paul Cummins
    • Aug 20, 2015
    • 1 min

    Good air means good health!

    ​Putting that dehumidifier in the basement will use a lot of electricty and only remove the water from the air, not mold spores, dander,...
    41 views0 comments
    Redo Your Vents to Switch From Heat to Cold and Cold to Heat
    Paul Cummins
    • Sep 6, 2014
    • 1 min

    Redo Your Vents to Switch From Heat to Cold and Cold to Heat

    Heat rises, cold air sinks, so partially close some vents on the lower floors during the summer and partially close some upper floor ones...
    8 views0 comments

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