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- What it is, and what to do — and not do — about it.
- A ceiling finish that presents a cleaning challenge.
- Look for these numbers when comparing portable room air cleaners.
- A standard for rating heating and air-conditioning filter efficiency.
- This standard measures the cleaning power of a vacuum cleaner.
- Nanotechnology describes the creation and use of materials, devices and systems which control matter at the atomic or molecular level or “nanoscale”.
- Forced-air heating and air-conditioning systems have filters that need regular attention.
- Environmental agents are conditions such as humidity extremes, drafts, lack of ventilation, and overcrowding that cause stress, discomfort, or health problems.
- Take care of household systems and cleaning tools, and they’ll take care of you.
- Another term you’ll see frequently in HC-Pedia. What do we mean?
- Also known as feces or stool, it must be dealt with safely and promptly.
- Best for removing grease and oil.
- The pharmacy antiseptic makes a good, inexpensive spotting agent because of its mild bleaching action. It's also an effective germ-killing agent.
- It’s unavoidable, just like death and taxes. Here’s how to make it bearable.
- The scientific name for what many people call germs or bugs. Microbes contribute to foul smelling bathrooms, but also function as nature's cleaning agents.
- Also known as stool or excrement, this waste must be dealt with safely.
- Fan and duct work used to remove harmful airborne contaminants from an area.
- Why you should care about this odorless and colorless gas — and what you can do about it.
- Basic tips follow on keeping your unit in tip-top shape. Don’t have one? You might not need it after all.
- Defrosting is another cleaning task that helps to save energy.

