Sentences with phrase «outdoor air»

Probably what others have warned about before: that indoor air pollution can be 100 times the level of outdoor air pollution — and it can come from some pretty surprising sources.

There is a growing awareness of outdoor air quality and its impact on our health, but our indoor air is also often less healthy than it should be.

Building ventilation systems were designed to provide fresh outdoor air in the building.

Environmental regulations have improved the quality of outdoor air.

Just getting your bare skin into fresh outdoor air is helpful for skin conditions.

This type of heat pump captures heat from outdoor air and uses it to provide space heating or hot water using electricity to boost the temperature if needed.

When outdoor air temperatures are suitable — above 16 °C and below 25 °C — then fresh air from the outside can help keep it cool indoors.

Indoor air quality in school buildings is affected by outdoor air pollution, building characteristics and operation and management practices, including cleaning, maintenance, and ventilation.

According to independent surveys, indoor pollution can be up to 10 times as bad as outdoor air pollution.

More than two million deaths occur worldwide each year as a direct result of human - caused outdoor air pollution, a new study has found.

We often talk about outdoor air quality and pollution but what do we know about indoor air quality?

The CO2 level is used as a simple proxy for indoor air pollutants, and indicates the rate of indoor / outdoor air exchange.

It is dotted with thousands of trees and an air - conditioning system that sucks outdoor air in to remind employees of the environment outside.

Indoor and outdoor air contained almost completely different microbial species.

Nevertheless, some experts believe outdoor air quality plays only a minor role in asthma disparities.

The novel air - conditioning system first uses an innovative membrane technology — a paper - like material — to remove moisture from humid outdoor air.

That would require higher costs to heat and cool all of the extra outdoor air being brought into these buildings.

The dry indoor heat and cold outdoor air are not doing you any favors.

Did you know 300 million children live in areas where outdoor air pollution is toxic?

During lunch, the indoor air temperature rose from 75 degrees to 95 degrees as all of the air in the home was exchanged with the hot outdoor air.

This agreed well with the 3 °F modeled prediction for white tile roofs on the peak cooling day (110 °F outdoor air).

Indoor air has been shown to be 2 - 5 times as contaminated as outdoor air in some places, and indoor air is often much more stagnant.

You should also open your windows at least twice a month to allow fresher outdoor air to replace the stale indoor air.

Researchers estimate that worldwide, more than two million deaths occur each year as a direct result of human - caused outdoor air pollution.

Related to research on fine particles and health we study the roles of outdoor air and living on indoor air quality.

Does the school currently monitor indoor and outdoor air quality?

But depending on how many people inhabit a room and how many times per hour its air is exchanged with outdoor air through ventilation, «there are plenty of buildings where you could easily see 2,500 ppm of CO2 — or close to it — even with ventilation designs that are fully compliant with current standards,» Hedrick says.

The researchers caution that this was an initial scoping study, in which they had to rely on health data available for outdoor air particles.

A fan inside the condensing unit pulls outdoor air through the sides of the coil and blows it out the top of the unit.

Unfortunately, a growing body of scientific evidence has indicated that the air within homes and other buildings can be 2 to 5 times more polluted than outdoor air since pollutants become trapped in the limited space and recirculate repeatedly when you fail to purify the air in your home.

Faced with a world of increasing outdoor air pollution, designer Nikolas Gregory Bentel decided to help fellow city dwellers monitor their own environments.

The second law of thermodynamics kicks in here, and heat flows from the warmer refrigerant to the cooler outdoor air blowing over the condenser coil.

The new study did not track where the airborne chemicals came from, but it suggests that personal care products are a major source since D5 was the dominant compound in both indoor and outdoor air samples.

To get a clearer picture, researchers led by Jos Lelieveld of the Germany - based Max Planck Institute decided to take a global look at outdoor air pollution, which the World Health Organization (WHO) estimates is responsible for almost 3.5 million premature deaths annually.

«A new study authored by a research team led by Dr. Corrine Keet [sic] of John's Hopkins Children's Center [sic] has found no link between outdoor air pollution and childhood asthma,» Carducci wrote.

The World Health Organization (WHO) estimates that 92 % of the world's population live in areas with inadequate outdoor air quality, and this pollution contributes to 1 out of every 8 deaths.

«Tobacco particles have a different composition than outdoor air particles, but there are chemical similarities,» Gundel said.

The indoor air quality in most homes is very poor, said Dr. Dorothy Calebrese, an allergy specialist in California, and simply filtering in good outdoor air can make a huge difference.

Quantifying uncertainty in outdoor air flow control and its impacts on building performance simulation and fault detection B Yan, X Li, A Malkawi and G Augenbroe Energy and Buildings, 2017

In addition, LEED for Homes awards two points to projects that go beyond basic ventilation measures and «install a system that provides heat transfer between the incoming outdoor air stream and the exhaust air stream.»

As stated in the article, diesel particulates in cars were observed at four to eight times higher than a city's «ambient outdoor air.»

Tightly fitted glass doors and outdoor air intakes help improve fireplace efficiency.

If we're lucky, we live in a home that even brings outdoor air inside as part...

The World Bank estimates outdoor air pollution in India causes 620,000 premature deaths a year.

Tilman Fertitta wants to see if the Bella Breeze outdoor air - conditioning unit will work in the Texas heat.

Single speed operation ensures compliance to NSF Standard, ANSI / NSF -37 certified airflow velocities for resisting flying insect and outdoor air infiltration.

All Shrunks Outdoor Air Beds come with the compact and powerful manual Bellows Pump.