Short answer
Tell Runhome what is wrong with your Knoxville house, or show it with photos, and an estimate comes back in minutes. Runhome then reaches out to local contractors, collects quotes and schedules the work. Electricity heats 75% of homes here, so heat pumps handle both heating and cooling in most houses.
Knoxville homes at a glance
- Median year built
- 1974
- Built before 1960
- 33%
- Built since 2000
- 21%
- Owner-occupied
- 47%
- Median home value
- $239,700
- Main heat
- Electric, 75%
Source: U.S. Census Bureau, American Community Survey 2024 1-year estimates
What Knoxville’s housing means for repairs
Knoxville's median home was built in 1974. About 33% of homes predate 1960, including Victorian houses in Fourth and Gill and Old North Knoxville and mid-century ranches in Fountain City and Holston Hills, while about 21% went up after 2000. Detached houses make up 52% of homes, and 47% are owner-occupied.
Knoxville is hilly, so many houses sit on crawlspaces or have a basement dug into a slope, which means water drains toward the house on one side. Electricity heats 75% of homes, usually with heat pumps, and gas heats 24%. Older homes often still have original panels, ungrounded outlets and galvanized supply pipes. The median home value is $239,700, so owners often take on repairs one at a time.
Weather that wears on Knoxville homes
Knoxville sits in the Tennessee Valley between the Cumberland Plateau and the Smoky Mountains, with hot, humid summers and mild winters that bring a few snow and ice events. Humidity keeps crawlspaces damp, which rots floor framing and grows mold, and termites are common. The region sits on limestone, and sinkholes and karst features are known in East Tennessee. Heavy spring storms bring flash flooding on hillside lots and wind damage from falling trees. East Tennessee also has elevated radon in many areas, so a radon test is worth doing in basements and crawlspace homes. High pollen in spring clogs HVAC filters.
Common repairs in Knoxville
Crawlspace and floor framing repair
Moist air under hillside homes softens joists and makes floors bounce or dip.
Heat pump repair
Heat pumps handle heating and cooling in most Knoxville homes and run most of the year.
Electrical panel upgrade
Mid-century homes in Fountain City and Holston Hills often have panels too small for modern loads.
Rotted exterior trim
Shade and humidity keep window sills and fascia wet on wooded lots.
Gutter cleaning and repair
Leaves from hillside hardwoods clog gutters every fall.
What these repairs cost
The middle half of Runhome repair estimates nationwide for each kind of job. Your price depends on the scope of the work.
| Repair | Typical range |
|---|---|
| Subfloor or floor framing repair | $600 to $1,400 |
| Heating or cooling repair | $310 to $580 |
| Electrical panel or breaker work | $260 to $410 |
| Exterior trim repair | $380 to $750 |
| Roof or gutter repair | $300 to $640 |
Fix guides for Knoxville homeowners
Bathroom floor is soft and spongy underfoot
Damp Knoxville crawlspaces and slow toilet leaks soften bathroom subfloors over time.
Painted wood is rotten and crumbles when you press it
Valley humidity and shade from hillside trees keep Knoxville trim wet long enough to rot.
Half the house has no power and no breaker is tripped
Aging panels and service connections in older Knoxville homes can drop power to half the house.
Mice keep getting in through holes and gaps in the walls
Mice move into Knoxville crawlspaces and walls through foundation gaps when fall turns cool.
Seasonal checklist
- Spring
- Clean gutters after pollen and seed season.
- Summer
- Run a dehumidifier in the crawlspace or basement.
- Fall
- Have your heat pump serviced before cold weather.
Common questions
- Should I encapsulate my Knoxville crawlspace?
Encapsulation with a vapor barrier and dehumidifier keeps crawlspaces dry and protects floor framing. The cost depends on crawlspace size, height and whether there is existing damage.
- Does my older Knoxville home need a new panel?
If it has a fuse box, a small panel or a brand known for problems, an electrician may recommend replacing it. The cost depends on the amperage and whether the meter base and service cable also need work.
- Why does my Knoxville heat pump blow cool air in winter?
Heat pumps run a defrost cycle that briefly blows cool air. If it never warms up, the cause may be a stuck reversing valve, low refrigerant or a failed backup heat strip. Have a technician check it.
Neighborhoods served
- Fourth and Gill
- Old North Knoxville
- Sequoyah Hills
- Fountain City
- Bearden
- Holston Hills