Air Purifier Installation & Repair

Air purifiers are used to filter irritating airborne particles such as pollen, dust, bacteria & viruses, pet dander and mold spores from the air in your home. There are small units designed to purify the air within single rooms, and also large, whole-house units that connect to your HVAC system.

At Calvey Heating and Air, we specialize in installing, repairing and maintaining whole-house air purifiers. If you’re an allergy sufferer or have pets, an air purifier can significantly improve your quality of life.

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How Do Air Purifiers Work?

Most air purifiers used for for residential applications use a HEPA (High Efficiency Particulate Air) filter. HEPA filters are made of randomly arranged fibers designed to capture particles. By definition, a HEPA filter must be capable of removing 99.97% of particles sized 0.3µm. They work using three principles:

  • Interception: Particles following a line of flow in the air stream come within one radius of a fiber in the filter to adhere to it.
  • Impaction: Larger particles are unable to avoid the fibers in the filter by following the curving contours of the air stream and are forced to embed in one of them directly.
  • Diffusion: The collision of very small particles (below 0.1 µm in diameter) with gas molecules impedes their motion through the filter, therefore trapping them.