IECC Zone 4A (west); 4A/3A (middle); 4A (east)

Mini Splits & Heat Pumps in Tennessee

Tennessee has mild-to-moderate winters and humid summers — Nashville and Memphis see 90°F+ July with high dew points, and lows in the 20s on coldest winter nights. East Tennessee mountains (Gatlinburg, Knoxville) are slightly colder and wetter.

Climate Zone
4A (west); 4A/3A (middle); 4A (east)
Cooling Degree Days
1,700–2,200
Heating Degree Days
3,500–4,500
Dominant Load
balanced

What Works in Tennessee

Standard DIY heat pumps work statewide. East Tennessee mountains benefit from hyper-heat for comfort. TVA and its local power companies (Memphis Light Gas and Water, Nashville Electric, Knoxville Utilities Board) all offer heat pump rebates that stack with federal 25C.

MrCool DIY 5th GenMrCool Universal

Tennessee Rebates & Incentives

TVA runs regionwide EnergyRight rebates covering all Tennessee utilities. HEEHRA rolling out via TDEC.

Major Utilities
  • TVA local power companies (MLGW, NES, KUB, EPB, Memphis Light)

Tennessee Licensing & Install Rules

Tennessee requires a state HVAC contractor license from the Board for Licensing Contractors for installs above $25,000. Homeowner DIY permitted on primary residence.

Top Tennessee Metro Areas

We ship to every ZIP in Tennessee. Largest metros where we deliver most often:

Memphis, TN
Nashville, TN
Knoxville, TN
Chattanooga, TN
Clarksville, TN

Recommended for Tennessee Homes

Heat pumps and mini splits in our catalog that match Climate Zone 4A (west); 4A/3A (middle); 4A (east) conditions.

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