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What Is an LGR Dehumidifier?

Key points

  • LGR = Low Grain Refrigerant.
  • It keeps pulling water even when the air is already fairly dry.
  • Household units slow down as humidity drops.
  • Desiccant units are used for cold spaces or very dry targets.

Why it matters

Drying a structure means pulling water out of drywall, wood, and concrete — not just the air. Air movers push moisture out of materials; dehumidifiers remove it from the air so it doesn’t settle back in. See why so many fans?

LGR vs desiccant

  • LGR: most common on residential jobs; works well in normal indoor temperatures
  • Desiccant: uses an absorbent wheel; better in cold areas and for hardwood or very dense materials

How long it runs

Until moisture readings show materials are dry — commonly several days. See drying time and structural drying.

Need professional drying?

Call (385) 250-2825 — answered live 24/7 by the Vault crew.

Water damage services · Structural drying · Home dehumidifier settings

Our Provo water damage restoration crew is an IICRC Certified Firm that bills your insurer directly. Call (385) 250-2825.

How we dry a home, step by step: structural drying.

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