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Ground-Source Heat Pumps are used for space heating and cooling, as well as water heating. The technology relies on the fact that the Earth (beneath the surface) remains at a relatively constant temperature throughout the year, warmer than the air … 继续阅读 →

To understand the impact of a higher quality filter on an air distribution system think of what happens if you apply a sheet of paper across the back grill of a floor fan. The airflow coming out of the fan … 继续阅读 →

It depends on several factors, including your own comfort level and what the indoor air quality is in your home. There are several factors to take into consideration, however. First and foremost, many health organizations agree that indoor air quality … 继续阅读 →

The rooms you use the most are the most important rooms for air purifier use. Your living area, such as a family room or den, should have an air cleaner, especially if you have allergies or pets that are in … 继续阅读 →

Ozone-Ionizer air purifiers do not clean the air of dust and allergens by filtration like HEPA filtered air cleaners do. Ozone/ionizer air purifiers use two steps to clean the air. The ozone purifies the air by oxidation. Ozone is a … 继续阅读 →

Motor And Airflow Noise Factor—One of the most important things to look for when purchasing a HEPA air cleaners is to get a unit that is quiet so you can watch TV and sleep while it is operating. All air … 继续阅读 →

Many HEPA Air Cleaners and HEPA air purifiers include a certain amount of activated carbon to absorb and remove odors and out-gassing chemicals from the indoor air environment. Some of these carbon filters are mixed with a mineral called zeolite, … 继续阅读 →

Acidity:Can water be acidic in taste? Most natural water, domestic wastewater and many industrial wastewater are buffered by a carbon dioxide-bicarbonate system. Acid waters are of concern because of their corrosive characteristics and the expense involved in removing or controlling … 继续阅读 →

Fuel cells have already been used for decades for business and residential use. Stationary fuel cells can produce enough electricity and heat to power an entire house or business, which can result in significant savings – and they also can … 继续阅读 →

Electricity for residential and business use can be produced using a combination of wind, solar, and hydrogen fuel cells. There will also have to be intermediate solutions and cooperation between corporations, utility companies, and individuals in order to successfully transition … 继续阅读 →