Ventilation and IAQ

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Among its buildings, Miami Valley Hospital South in Centerville, Ohio, includes a 60,000-square-foot medical office building, a state-of-the-art cancer center, and a main hospital unit.

Retrofitting a commercial HVAC system to accommodate an existing building can be challenging.

Proper air filtration is the primary means of reducing concentrations of the airborne bacteria that cause HAIs.

Patients shouldn’t get sick when they visit a medical facility. The good news is HAIs are preventable.

Whether we’re talking a single building or a larger campus, proper strategy for this key HVAC component requires the right team working at the right times. Both physical and fiscal safety may depend on it.

Relative humidity levels play an important part of our brain function.

A new HVAC design is expected so save an estimated $918,000 at the REC community center in Grapevine, TX. The savings is projected in operational and energy costs over the heating, cooling, and dehumidification units’ expected 25-year lifecycles.

Code and regulations require that LEL concentration of hydrogen (H₂) be limited to 25% of LEL or 1% of room volume. The room ventilation method can be either forced or natural and either air conditioned or unconditioned. 

The natural world can help guide duct sizing, airflow, and more.

This K-12 building automation troubleshooting experience turned into a case of “show and tell” that nobody wants at their own school, so take notes on both the causes and the solutions.