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Calculate the right HVAC size for your home in Madison, WI.
Design temperatures: 86°F summer / 7°F winter
Total conditioned living space
Cooling Load
30,934
BTU/hr
Heating Load
186,707
BTU/hr
Recommended Size
3 Ton
System Capacity
Est. Monthly Savings
$12
High-efficiency upgrade
Estimated System Cost
Equipment + professional installation
$10,500 - $19,500
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 53718
Average costs in Madison
Typical homes in 53718
Federal Energy Efficiency Tax Credit
federal incentive • Expires 2032-12-31
Up to $2,000
HVAC service calls in Madison, WI typically range from $111 to $261 for standard repairs. Emergency service is available 24/7 at approximately $242.
Yes, most hvac work in Madison County requires a permit. The average permit cost is $75. Our licensed contractors handle all permit requirements.
Our network of 27+ licensed contractors in the Madison area offers average response times of 72 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 86°F and winter design temp of 7°F in 53718, proper sizing is critical. Use our Manual J calculator above for an estimate.