Unfortunately, indoor air quality is rarely as good as fresh outdoor air. But ideally it should be. ... Many homes built before the VIAQ also had some sort of ventilation system installed.

Some cruise lines have committed to having a 100% fresh air mix aboard their vessels, but many are still finalizing COVID-19 health protocols.

A HRV (heat recovery ventilation) system is the most efficient and expensive (typically $1,000 to $2,000) balanced system. During winter, heat from the stale outgoing warm air is transferred to ...

You’re bringing more fresh air in to reduce the concentration of those particles. ... Even before the advent of HVAC systems, ventilation was integrated into many building designs.

“So, an indoor air quality sensor used to be part of the HVAC (heating, ventilation and air conditioning) control system because it was pretty integral to the fresh air ventilation control ...

Hisense has launched the Deep Sleep Fresh Air Conditioner X3 Plus in the Chinese market. The product is now available for ...

The air passes through a filter before it comes back out, and the system recirculates the air in the bus. Dewsnup said bus ventilation isn’t that different from the systems in an office building ...

CROMWELL -- Improvements have been made to the ventilation system at police headquarters this week, five weeks after officers first complained to town officials about conditions in the building ...

More than 1,200 London buses have been fitted with a device to allow drivers to breathe fresh air and reduce the risk of catching Covid-19 after 45 TfL deaths from the virus were recorded.