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Allergy Consumer Review Issue #75
June, 2005
Editor: Mercia Tapping, President, Allergy Buyers Club
Email: merciamail@allergyconsumerreview.com

PLEASE NOTE that references to prices or specials within this archive reflect prices and market conditions at the time of newsletter publication. Prices may have changed since publication.

Dear Everyone,

From 8 weeks of cold and rain to a heat wave overnight here in New England! Since our phones have been ringing off the hook with questions about portable air conditioners and dehumidifiers, we are answering the most popular questions below.

My car is covered in pollen. Do I need to remind you to close your windows in pollen season? It also means since I do not want to wash my hair every night that my husband has to keep the top down on his new convertible! And try not to track the pollen into your house when you come in the front door!

Enjoy the sun if you have been in the sun-deprived Northeast!

Mercia



In This Issue

Shop Talk

Buy Allergy Relief and Control Products
from AllergyBuyersClub.com

Internet Shopper

The new rave in our office is the Bosch Electro Duo Plus hepa canister vacuum cleaner which is winning accolades for lightness and good value for money. This vacuum will do both carpets and bare floors.

Using all the Ladybug tools but with a conventional boiler is the new Li’l Bug vapor steam cleaner at a much more affordable price point. This is a very respectable entrant steam cleaner from this manufacturer who always does things the right way.

We’re getting good reports back about the new Delonghi line of low temperature dehumidifiers. The Delonghi 30 and 40 pint models start at a great value price and are very quiet. The Delonghi 50 pint model comes with a built-in pump.

My own research in the basement of my new summer home tells me that for the best value in dehumidifiers, the Comfort-aire dehumidifiers win hands down for sucking moisture out of the air and have an auto-restart if the units shut down because of a power outage. And if you can automatically drain the water out using a pump then do yourself a favor and buy an external condensate pump.

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Dehumidifiers - Most Often Asked Questions
By Bob Cobe
AllergyBuyersClub.com staff

1. The manufacturer says this dehumidifier will cover 1000 square feet. Is this really true?

No, it is usually about 1/2 that amount. Apparently the manufacturers feel that if you bring the humidity level from, let’s say, 80% to 70%, you are dehumidifying. At AllergyBuyersClub.com we recommend the proper size dehumidifier for you to bring the humidity level to 50% or just under so that mold won't grow. Our concern and goal is to prevent mold, which is an allergen to many people.

2. What is the ideal humidity I should be looking for in my basement?

In order to prevent mold from growing or to put existing mold into "hibernation", the humidity level should be at 50% or less. However, reducing the level much below that such as 40% is a waste of your electricity.

3. I bought a dehumidifier at a store and it runs all the time - why?

The dehumidifier that you purchased is probably not capable of removing the amount of moisture in this area. If your area needs to have 50 pints of moisture removed from it daily and you have a 40-pint unit, you will never catch up and the machine will run continuously.

4. I want a quiet dehumidifier for the main part of my house - what do you recommend?

The very best quiet dehumidifier is the Santa Fe RX Whole House Dehumidifier at $1749.95. While it is pricey, it is quiet, has a built in pump to remove the water so that you don’t have to empty a bucket all the time. The Santa Fe not only uses less electricity to operate than many smaller units but will need to operate far fewer hours to remove the moisture. It is a true "set and forget" machine. It also has a replaceable filter that unlike most residential smaller units is actually capable of removing particles as small as 1 micron, which would include most mold and pollen.

Of the lower end dehumidifiers, the new Millennium dehumidifiers starting at $229.95 are all fairly quiet.

5. Ouch, my old dehumidifier is costing me a small fortune in electricity. What do you have that is energy efficient?

Almost every dehumidifier that we sell is energy starred, but this does not mean that it will necessarily save you money. Properly sizing your unit so that it does not have to run all the time is actually going to save you the most money. A telephone call to one of our product specialists at 888-236-7231 will give you answers as to what size and brand would work most efficiently for your situation.

6. Do dehumidifiers raise the heat in my house?

Yes, but this can be either good or bad. The warmer the room, the easier and more efficiently you can remove moisture so the machine will have to work less. If you have air conditioning, this added heat that has to be removed will be mostly compensated by the air conditioner not having to work as hard because it is easier to cool dry air than moist air. On the other hand depending on the size of the room, you could raise the temperature by 5– 10 degrees.

7. I have a second home. What happens if we have a power outage, will the machine turn itself back on?

That depends on the brand and model that you buy. Most dehumidifiers with manual humidistat controls will turn themselves back on. With the electronic controls it varies. The Comfort-Aire 50 and 65 pint units will turn back on and will continue to remove moisture at the humidity level for which you had set the machine. This is true also with the Millennium low temperature units. The Delonghi electronic units will turn themselves back on, but will go back to the factory default of 60% that is not sufficiently low to prevent mold if that is your concern. The Danby dehumidifier will not turn back on and needs to have the "on" button pushed, and while it is a quiet and excellent machine, it would not be a good choice for a second home or if you plan to be away from your house for extended periods.

8. Can a dehumidifier cover multiple connected rooms?

That depends on the total square footage of all the rooms, the configuration of the rooms, and the openness between the rooms.

The more open the rooms are to each other (not 3’ doorways), the easier it is. Having ceiling fans in the rooms to move the air would certainly help. If you don’t have ceiling fans you can add small, inexpensive fans in the rooms to help move the air in these satellite rooms into the main area where you have placed the dehumidifier.

9. Emptying the dehumidifier 3 times a day is driving my crazy. How can I pump it out automatically?

Most dehumidifiers have a drain hole at the bottom of the bucket from which you can continuously drain the water. You use gravity to empty the bucket by positioning the dehumidifier close to a drain hole or sink so that the water can flow downhill into this drainage area. You might have to elevate the dehumidifier to have the water flow downhill because the bottom of the bucket is usually only about 2 inches from the ground. One can also purchase a pump that would be positioned under the drainage point in the bucket that would allow you to pump the water as high as 15 feet vertically or about 100 feet horizontally.

Condensate Pump
for continuous drainage

Some models such as the Comfort-Aire allow you to set up continuous draining through a tube that exits at the back of the machine about 10" from the ground, which due to this height allows you to drain to a drainage area a short distance away or into the pump box without having to elevate the dehumidifier.

10. My dehumidifier does not have a digital humidistat display. How do I know whether it is doing a good job?

If you want to prevent mold by bringing the humidity level to 50%, you need a hygrometer to measure the actual humidity in the room. This is a measuring device about the size of a pocket calculator that measures humidity just as a thermometer measures temperature. You place this device somewhere in the room and keep adjusting the setting on your dehumidifier until the hygrometer measures 50% or less. (This could take you a few days to get it to the setting you want.) You have then calibrated your dehumidifier to go on and off at a point where the humidity will be maintained at 50%. We carry a very good digital hygrometer/thermometer at $39.95 on our website.

Check out all of our dehumidifiers on our website.

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Portable Air Condititioners - Most Often Asked Questions
By Bob Cobe
AllergyBuyersClub.com staff

1. When should you use a portable AC unit?

These are best used to spot cool smaller rooms. They can be used if you are not able to use a window AC unit; don’t want to lift a heavy unit in and out of your window and destroy the paintwork; or want to move it from room to room as needed and don’t want to purchase multiple window units. We find that people like them to augment inefficient central air conditioning systems, especially when the bedrooms are hotter upstairs. Menopausal women find the extra spot cooling to be a real boon.

2. What capacity portable air conditioner do I need to buy to equal the performance of a window air conditioner?

Since our general rule is that a portable air conditioner will cover only half as much space as a window unit of similar BTU capability, you need to double the strength of a portable unit to cover the same area.

3. Do portable air conditioners dehumidify a room?

All air conditioners will dehumidify a room somewhat, but often not to the humidity level that feels as comfortable as you would like. The reason for this is that an air conditioner turns itself on and off depending on the temperature that you have set and will often turn off before the humidity is removed to the level that you want. A dehumidifier on the other hand, turns itself on and off depending on the humidity level that you want to achieve and doesn’t care what temperature you have set. We often sell humidifiers to "coastal" people where their homes might be a comfortable 72 degrees, but the humidity still remains high.

4. Are portable air conditioners energy efficient?

It depends on the brand and model, but many are not. You will save the most money by properly sizing your unit so that it doesn’t have to work as long or as hard as a small unit might.

5. What is your best recommended portable air conditioner and why?

Our best unit is the ARP 1200 EX 12,000 BTU unit at $899.95 and it has a double hose which helps cool the room faster.

6. Do I have to vent these air conditioners to the outside?

Yes, you always have to get rid of the heat that these produce while cooling the air.

7. Can I increase the length of the exhaust tube that comes with the machine?

No, the manufacturers correctly determine the hose length and adding to it makes it more difficult for the air conditioner to remove the hot air. You need a smooth and easy exhaust flow or backpressure will develop which would reduce the efficiency of the machine.

8. The installation diagrams show the exhaust hose exiting horizontally. Can I install this vertically to exhaust into a ceiling?

This would not be a good idea because you would either have to lengthen the hose, which we don’t recommend, or raise the unit on a table so that the hose would reach. Additionally, since the exhaust air is carrying the moisture out along with the hot air and exhausting to a ceiling, this could produce condensation of this moisture above the ceiling.

Editor's Note:

As mentioned at the top of this newsletter, portable air conditioners with either 8000 or 9000 BTU are now on sale starting at $464.95 – save up to $350 off the retail prices! Great for spot cooling an apartment or home, the TD 8K Portable with manual controls and the RA 9KE with electronic keypad are easy to move from room to room. While supplies last!

Check out all of the portable air conditioners on our website.

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Comfort-Aire® 501 and 651 low temperature electronic dehumidifiers
Comfort-Aire 65 Pint Low Temp Dehumidifier
Santa Fe Home Dehumidifiers for Large Basements
Santa Fe Whole Basement Dehumidifiers
Delonghi Dehumidifiers
DeLonghi Low Temp 50 pint Dehumidifier w/Pump
Clean Home Essentials 46 Pint Low Temp Dehumidifier

 

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