Is This Your Problem?
Energy bills that climb every summer and winter, plus cold floors in the winter
Get Matched With a Local ProThe savings pay for the fix
An uninsulated, unsealed crawl space is one of the biggest energy leaks in a Knoxville home. Hot, humid air enters the space, the HVAC works harder to cool the house, and heat escapes through the floor in winter — typically inflating energy bills by 15–25%.
Encapsulation plus insulation fixes both ends: rigid foam insulation on crawl space walls (or spray foam on rim joists and subfloor) blocks the heat transfer, sealed vents stop humid air infiltration, and the dehumidifier keeps the space stable. Homeowners also report noticeably warmer floors in winter and a cooler house in summer.
The financial math is compelling: the energy savings typically pay for the encapsulation investment within 3 to 5 years — on top of the $10,000–$30,000 in moisture damage prevention and the property value boost. Get matched with Knoxville insulation and encapsulation pros and see the numbers for your home.
Independent matching service. Get up to 3 pre-vetted, licensed Knoxville pros — free, no obligation. Call (865) 824-4330.
Official Resources & Terms
Official terms: Tennessee's Home Efficiency Rebates (HER) program covers insulation and air sealing retrofits, and Tennessee Power's Home Energy Improvement Program pays up to $300 for ceiling/attic insulation, $400 for air sealing, $600 for duct sealing, $150 for a smart thermostat, and $30 for a dehumidifier — up to $1,850 as a Home Comfort Bundle.
- Tennessee's Home Energy Rebates (HER/HEAR) — official .gov
- Tennessee Power Home Energy Improvement Program
- ENERGY STAR — insulation & air sealing guidance
Links open in a new tab. Program terms, rebate amounts, and code requirements can change — always confirm current details with the official source.