Re: Healthy Humidity Levels

[Guest guest]

Barb,

These charts and guidelines do not show Causation, but Tendencies. As

the Relative Humidity decreases below 50% the Tendency is toward X

and as the RH increases about 50% the Tendency is toward Y. The

further it goes the greater the tendency.

I would, however, reduce the RH to avoid condensation as liquid water

is more avalilable for mold to grow, just like cardboard is a more

available food than solid wood.

It is all a balance. There are no absolutes.

Carl Grimes

Healthy Habitats LLC

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> See this is the delima. Here is a guide to healthy humidity levels

> and it says below 40% levels spreads viruses and disease. I've read

> this before and this is why I used to keep house about 50% all year

> round despite windows sweating in very cold weather. I wish someone

> would figure this out definately. I think reason they are saying

> below 40% spreads disease because sinuses (and perhaps lung tissue? I

> don't know about latter), get dry and develope fine cracks. This

> allows germs into body. That is why germs that are present in

> environment and sinuses all year round only cause respiratory disease,

> i.e. colds, in the winter and why 'colds' are called colds because

> they happen in winter when air gets dry. So my house is around 25-30

> lately. Are other keeping their houses this dry, or just about 40%.

> Then there is problem of windows sweating which can cause damage to

> wood and drywall around windows. Do newer insulated windows *not*

> sweat like old wood rope and pulley windows do? Thanks. Here is one

> link but I've read this lots of places:

>

> http://www.kiltox.co.uk/guides & info/humidty.htm

[Guest guest]

" Carl E. Grimes " <grimes@...> wrote: Barb,

These charts and guidelines do not show Causation, but Tendencies. As

the Relative Humidity decreases below 50% the Tendency is toward X

and as the RH increases about 50% the Tendency is toward Y. The

further it goes the greater the tendency.

Carl, my trailer which was growing mold underneath from a/c water is in

oklahoma. I am guessing the RH is from 70%-100% except for a few days when I

cold front comes through and it is dry air. Like most people there, I keep the

windowns open during cooler weather and it has occurred to me that this

increases the already high RH inside our homes. Would most homes located in high

RH's areas have some mold growing just from this fact alone? would it be a good

idea to not open the windows and of course use a dehumidifier? I went to

Home-Depot and Wal-Mart and neither carried a dehimidifier but both carried

several brands of humidifiers.

Bob

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[Guest guest]

Bob,

Re: finding a dehumidifier. They are probably just out of season for

most people. I'm sure you could buy one of online any time of year

though or perhaps Ebay. Putting a ceiling pan in to keep air

circulating should help too. JMTC barbb

> Carl, my trailer which was growing mold underneath from a/c

water is in oklahoma. I am guessing the RH is from 70%-100% except for

a few days when I cold front comes through and it is dry air. Like

most people there, I keep the windowns open during cooler weather and

it has occurred to me that this increases the already high RH inside

our homes. Would most homes located in high RH's areas have some mold

growing just from this fact alone? would it be a good idea to not open

the windows and of course use a dehumidifier? I went to Home-Depot and

Wal-Mart and neither carried a dehimidifier but both carried several

brands of humidifiers.

>

> Bob