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Calculate the right HVAC size for your home in Knoxville, TN.
Design temperatures: 95°F summer / 24°F winter
Total conditioned living space
Cooling Load
48,763
BTU/hr
Heating Load
117,030
BTU/hr
Recommended Size
5 Ton
System Capacity
Est. Monthly Savings
$18
High-efficiency upgrade
Estimated System Cost
Equipment + professional installation
$15,750 - $29,250
Before rebates and incentives
This is a simplified estimate based on Manual J principles. An on-site assessment by a licensed HVAC contractor is required for accurate sizing. Factors like ductwork condition, air sealing, and specific window types affect the final recommendation.
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ASHRAE design conditions for 37909
Average costs in Knoxville
Typical homes in 37909
Federal Energy Efficiency Tax Credit
federal incentive • Expires 2032-12-31
Up to $2,000
HVAC service calls in Knoxville, TN typically range from $114 to $264 for standard repairs. Emergency service is available 24/7 at approximately $246.
Yes, most hvac work in Knoxville County requires a permit. The average permit cost is $75. Our licensed contractors handle all permit requirements.
Our network of 19+ licensed contractors in the Knoxville area offers average response times of 64 minutes. Emergency service is available 24/7.
HVAC sizing depends on your home's square footage, insulation, and local climate. With a summer design temperature of 95°F and winter design temp of 24°F in 37909, proper sizing is critical. Use our Manual J calculator above for an estimate.