A diffuser is an HVAC component that spreads air evenly into a room from the ductwork. By distributing airflow over a wider area, it reduces drafts, improves circulation, and helps maintain consistent temperatures.
/dɪˈfjuzər/
A diffuser is an HVAC component that spreads air evenly into a room from the ductwork. By distributing airflow over a wider area, it reduces drafts, improves circulation, and helps maintain consistent temperatures.
What does an HVAC diffuser do?
It spreads conditioned air evenly into a space to improve comfort and circulation.
Source: The Cooling Company
Diffusers spread air for balanced comfort.
In offices, ceiling diffusers distribute conditioned air evenly to avoid hot spots and improve comfort.
Clean diffusers regularly and adjust vanes to correct uneven airflow.
“Clean diffusers regularly and adjust vanes to correct uneven airflow.”
The word diffuser comes from the Latin “diffundere,” meaning to spread out.
Can diffusers affect HVAC efficiency?
Yes. Proper diffuser selection and placement improve airflow and reduce wasted energy.
Why do some rooms feel drafty?
The diffuser may be misaligned, oversized, or delivering air too directly.
Do diffusers need to be replaced?
Usually not, but damaged or poorly sized diffusers may need upgrading.
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