R-Value refers to a material's resistance to absorbing energy, with higher R-Values providing greater insulation. To determine a home's existing R-Value, measure the depth of attic insulation and cross-reference it with an R-Value chart. This will indicate if additional insulation is needed to meet recommended levels. Southern Comfort Insulation offers free consultations and energy audits to assess a home's insulation and recommend upgrades or weatherization services using materials like radiant barriers, fiberglass, and cellulose.