South · Climate zones 3–4
HVAC service in Tennessee
Tennessee has hot, humid summers and cold winters, with milder weather in Memphis and colder conditions in the eastern mountains. Heating and cooling are both important.
- 470 ZIP codes covered
- 300 cities and towns
- Licensed contractors

Tennessee HVAC at a glance
- Climate
- Mixed (IECC zones 3–4)
- What it means
- Real heating and cooling seasons. Heat pumps and dual-fuel systems are popular, and both spring and fall maintenance pay off.
- Common systems
- Heat pumps, Gas furnace + central AC, Dual-fuel systems, Crawl space ductwork
- Coverage
- 470 ZIP codes in 300 cities and towns
- Region
- South
Homes & equipment
Heating and cooling in Tennessee
Heat pumps are very common, especially in TVA-served areas where electricity is relatively affordable. Gas furnaces with central AC are also widespread in Nashville, Knoxville and Chattanooga.
Memphis summers are particularly humid, while East Tennessee mountain homes see more freezing nights.
Common problems
HVAC problems we see in Tennessee
Humidity
Humid summers cause mold and comfort problems with oversized systems or leaky ducts.
Winter cold snaps
Heat pumps rely on backup heat during deep cold, raising bills.
Severe storms
Tornadoes and thunderstorms cause surges and equipment damage.
City guides
HVAC city guides in Tennessee
Other Tennessee areas in our network
Contractors in our network also cover Knoxville, Chattanooga, Murfreesboro, Jackson, Franklin, Clarksville, Maryville, Millington, Cordova, Morristown, Lebanon, Germantown, and 286 more communities. Enter your ZIP code in the request form to check yours.
Recommended
Services Tennessee homeowners need most
Contractor licensing in Tennessee
Tennessee licenses HVAC and mechanical contractors through the Board for Licensing Contractors; smaller jobs may fall under local licensing.
Utilities in Tennessee
TVA supplies power through local utilities such as Nashville Electric Service, Memphis Light, Gas and Water and KUB. Piedmont, Atmos and municipal systems supply natural gas.
FAQ
Tennessee HVAC questions
Why are heat pumps so common in Tennessee?+
Mild winters and TVA-supplied electricity make heat pumps cost-effective for most homes.
When should Tennessee homeowners schedule HVAC service?+
Spring for cooling and early fall for heating.
Other states in the South
HVAC help in Tennessee
Call to be connected with a licensed HVAC contractor serving your ZIP code, or send a request online.