Typical Questions Asked, Understanding Humidity

THANK YOU!

Thank you for selectinga Sears Humidifier.It willprovideyears of service if you give it a littlecare.

UNDERSTANDING HUMIDITY

Humiditycan be puzzling. It cannot be seen, heard, touched,

smelledor tasted. Many people do not understandwhata humidi- fier will or will not do.

Probablythe best way to judge whether the humidityis too high, too low or aboutright isto watchyour windows.If they are heavily fogged you most likelyhave too much. If there is no moistureon

them at all, especiallyin the corners,you have too little. (NOTE: Moisturewill not normallyformon thermopaneor whenstorm win. dows are used.) ff there is some moisturein the windowcorners and alongthe edges,the humidityisjustabout right.This isa good role of thumb, it you do not have an expensivepiece of testing equipment.Yourcomfortis another good check.

TYPICAL QUESTIONS ASKED

1.Why do moisture requirements vary from home to home?

Requirementsdepend on the amount and drynessof airto be humidifiedThe. largerand more looselyconstructedthe home, the greaterthe quantityof moisture required.

2.How can I best check my home'srelative humidity?

First give your humidifiertime to build up the humidityto an acceptablelevel. Instrumentsare availableto measure relative humidity,but from a practical standpoint,your comfortis the best guide.You cannot depend on table top or wall hung dial gauges.

3.How long will It take my humidifier to build up the humidity In my home?

Much dependson the outsidetemperature,timeof year, home construction,and howdriedout the home hasbecome.In soma cases, it may take a week or mare.

4.What are some of the common things that cause higher then average sir leakage In the home, therefore causing low humidity?

A.Jalousiewindows

B.Open fireplacedampers

C.Cracks aroundwindows end doors

D.Open doors end windows

E.Unusuallylarge attic or foundationvents

F.Range hoodsand bath fans

5.Whet else causes static shock besides low humidity?

Some typesof carpets tend to create more staticthan others. While the properhumiditylevel will reduce the static level, it may noteliminatestaticentirely.

6.What Is the safe humidity level for my home?

In order to determinethe safe relativehumidityfor homes ex- posedtovariouslow outsidetemperatures,NESCA* conducted tests and publishedrecommendedhumiditylevelsfor various outdoortemperatures.These are shown in the chart. These levels help preventdamage to your home such as water run- ning downthe walls or even buildingup insidethe walls.

The safe indoorrelativehumiditypementageis nota fixednum-

ber but will increaseor decrease as the outdoortemperatures rise or fall.

Outside Temperatures		Maximum Safe Recommended
		Indoor Relative Humidity
-10°	F	20%
0 °	F	25%
10°	F	30%
20 °	F	35%
30 °	F	35%

*NESCA - Ndonal EnvironmentalSystemsContractorsAuociation.

303.147012 specifications

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