This is a supply duct.
Puttind duck in hot attic is bad.
Those spare batteries may not be long for this world if you re keeping them in a hot humid attic.
This time of year cold air runs inside that duct.
At high temperatures like the ones you might find in your attic batteries can rapidly lose power or may even start leaking potentially setting you up for a chemical burn.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
Passive attic vents are the vents installed in attic during the construction to let moisture escape from an attic in the event moisture gets into the attic.
1965 two story house located in doe 3a hot humid dallas tx.
First what you see here is an uninsulated section of flex duct.
Here s problem number 2.
Over time the insulation on the exterior of old metal ducts deteriorates letting the hot air come in contact with the very cold metal and this is worst when it comes to condensation.
Heating ducts should never be an afterthought.
I ve got a 21 seer machine cooling my upstairs 1000 sq ft and some old carrier cooling the downstairs 1000 sq ft.
By installing a properly designed duct system we can locate the ducts in the proper place in each room depending on the rooms heat gain and energy model.
According to duracell the prime environment for batteries is somewhere dry and room temperature.
The really bad news is that with old metal duct systems the only option is replacement of the ducts to stop the rain in the attic.
Choosing the right location can lower home heating costs.
Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.
One bad thing about metal trunk ductwork is that the location of the registers is always close to the doors of rooms.
3 years ago i had new siding put on the top part of the house bottom is brick.
With hundreds of square feet of ductwork surface area in the attic and a δt of 75 f the air coming out of the vents in your home will be significantly higher than 55 f.
Well actually this is problems 2 3 and 4.
High temperatures inside your attic shorten the life span of shingles.
Hi all i hope you can help.
Your climate the size of your home the number of stories and the height of your ceilings should all influence your decision to place duct openings in the floor or ceiling.
Excessive heat deteriorates items you store in the attic and can cause moisture problems in your house.
Many homeowners falsely assume that since their attics are extremely hot in the summer the best way to reduce their cooling load is to get the heat out of the attic.