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By The Smith & Beshears Group | Agent in Springfield, MO

10 Ways to Prevent Costly Mold Damage to Your Home

10 Ways to Prevent Costly Mold Damage to Your HomeHow To Prevent Mold Damage Mold Damage Prevention Tips

By: Karin Beuerlein

Published: March 16, 2011

Fixing mold damage is an expensive and time-consuming home repair. But you can save time and money by implementing these 10 ounces of prevention.

Mold spores are always present indoors, particularly in humid areas. You can minimize mold growth, however, by buying a humidity monitor, which helps you keep track of home moisture that lets these spores colonize.

Here are 10 more ways to control and combat mold in your home.

1. Eliminate clutter

Cast a critical eye on household clutter, and pare down your stuff. Clutter blocks airflow and prevents your HVAC system from circulating air. Furniture and draperies that block supply grilles cause condensation. All this moisture creates microclimates in your home that welcome and feed mold growth.

So throw out things you don’t love or don’t use. Push furniture away from vents and grilles to keep air circulating. On humid, still days, run a couple of fans to keep air moving.

2. Control indoor climate

Mold problems often emerge during hot, humid summers when you’re tempted to play with the air conditioner. But set the thermostat too high, and the air conditioner won’t dehumidify your air effectively; set it too low, and you create cold surfaces where water vapor can condense.

To prevent moisture problems, and maximize energy efficiency, set the thermostat at 78 degrees F.

3. Shut windows and doors when AC is on

When you open windows and doors, you let air conditioning escape, waste money, and invite humid air into your cooler home: This causes condensation, which mold loves. So keep doors and windows shut when the AC is humming.

Also, maintain your home at around 80 degrees when you’re on vacation or at work. Too often, we bump the thermostat up to 85 degrees, or turn off the AC when we’re away. This raises temperature and humidity, which creates the ideal home for mold.

4. Properly size your AC unit

Make sure your air conditioning unit is properly sized for your house. If it’s too small, the unit will run constantly, elevating costs but not the temperature; too big, and the unit will constantly start and stop, which wastes energy, too.

Install an HVAC unit that is just right. For guidance, call an HVAC professional, or consult Energy Star’s square footage/AC capacity chart. 

5. Monitor humidity

An indoor humidity monitor will help you keep track of moisture levels that, ideally, fall between 35% and 50% relative humidity; in very humid climates, at the height of summer, you may have to live with readings closer to 55%.

But if you reach 60% relative humidity, it’s time to look for the source of the added moisture; above 70% relative humidity, certain species of mold can begin growing.

Indoor humidity monitors start at about $20; more sophisticated models that simultaneously and remotely track several rooms can climb to $300.

6. Evaluate your AC

If you get a high humidity reading, first make sure your air conditioning is doing its job.

  • Is it set to the proper temperature?
  • Is it cycling on and off periodically?
  • Does it blow cold air when it reaches the set point?
  • Are coils clean?

Inspect the condensate drain pipe (the narrow white pipe sticking out the side) to make sure it’s dripping regularly. If it isn’t, the pipe is blocked and water may be accumulating inside the unit--or on your floor. If you suspect a problem, call your HVAC professional.

7. Look for standing water

If the air conditioner isn’t the issue, search for standing water or chronic dampness that is increasing indoor humidity and providing a lovely environment for mold.

Check for puddles or dampness around hot water tanks, sump pumps, freezers, refrigerators, basement doors, and windows. Inspect crawl spaces for ground water dampness or foundation leaks.

8. Cover crawl space

Ground water seeping into crawl spaces can add gallons of moisture vapor into your house every day. The simplest defense is to cover crawl space floors with a plastic vapor barrier--6 mil polyethylene (landscapers plastic)--that traps moisture in the ground.

If you crawl in your crawl space, use a heavier plastic that won’t rip as easily: Some 20 mil plastic coverings are on the market.

9. Add a dehumidifier

A dehumidifier removes excess moisture from the air.

You can buy a whole house dehumidifier ($1,100 to $1,800) that attaches to your furnace, treats air throughout the house, and connects to a drain so you never have to empty a tank. If you live in very humid areas, a whole-house system is the way to go.

If you have occasional bouts of dampness and musty smells, a portable dehumidifier will suffice ($150 to $200).

Most models have an auto shutoff that keeps the unit from overflowing when the storage tank is full. Some portables have a hose hookup that automatically sends water into a nearby floor drain.

10. Call a professional

If you can’t find the moisture problem on your own, or you aren’t sure how to correct a problem you do find, call a home inspector or indoor air quality consultant. Look for credentials from a respected industry organization, such as the American Society of Home Inspectors or the Indoor Air Quality Association. A house call will likely run $250 or more.

Mold remediation isn’t necessarily covered by home owners insurance, which typically pays only if the problem results from a sudden emergency covered in your policy, such as a burst pipe. Insurance usually doesn’t pay if the problem results from deferred maintenance or floodwaters (unless you have flood insurance).

EVA
BESHEARS

Broker Salesperson with Murney Associates, Realtors

Springfield: (417)882-6222

Email:  ebeshears@murney.com

Web:  www.Ozarks-Homes.com




   
   

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