Paul CumminsJan 31, 20191 minDuct Cleaning Results UncertainThe article linked to photo (click on photo) from the Washington Post says studies show dust in ducts usually stays there and does not...
Paul CumminsAug 29, 20181 minDrying without Kinks or DangerWhenever 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...
Paul CumminsJul 24, 20181 minCan 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...
Paul CumminsJul 20, 20181 minHeat Recovery System for Good AirJust 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...
Paul CumminsJul 7, 20182 minBaffled by Lack of VentilationThe current solution to preventing mold in attics is very low tech: vents along the soffits and a ridge vent. Here's what soffit vents...
Paul CumminsJul 5, 20181 minA 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...
Paul CumminsSep 9, 20171 minWhen the bathroom can't be vented outsideIs 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...
Paul CumminsMay 10, 20171 minBathroom 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....
Paul CumminsMar 24, 20171 minNew 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...
Paul CumminsFeb 25, 20171 minGreat 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...
Paul CumminsFeb 12, 20171 minGood 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...
Paul CumminsFeb 2, 20171 minUn-vented roofsThis 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...
Paul CumminsJan 1, 20172 minWhat 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...
Paul CumminsSep 18, 20161 minGreat 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...
Paul CumminsJun 28, 20161 minGas 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,...
Paul CumminsMay 14, 20161 minElectronic Air Cleaners Need Help to Do Their JobThere are several important layers of function in these things: the cells, prefilter and charcoal filters, for example. Also they...
Paul CumminsFeb 6, 20161 minHealthy 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...
Paul CumminsOct 19, 20151 minAll 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:...
Paul CumminsAug 20, 20151 minGood 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,...
Paul CumminsSep 6, 20141 minRedo Your Vents to Switch From Heat to Cold and Cold to HeatHeat rises, cold air sinks, so partially close some vents on the lower floors during the summer and partially close some upper floor ones...