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Calculate the right HVAC size for your home in Wilmington, DE.
Design temperatures: 98°F summer / 23°F winter
Total conditioned living space
Cooling Load
54,705
BTU/hr
Heating Load
118,564
BTU/hr
Recommended Size
5 Ton
System Capacity
Est. Monthly Savings
$21
High-efficiency upgrade
Estimated System Cost
Equipment + professional installation
$17,500 - $32,500
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 19803
Average costs in Wilmington
Typical homes in 19803
Federal Energy Efficiency Tax Credit
federal incentive • Expires 2032-12-31
Up to $2,000
HVAC service calls in Wilmington, DE typically range from $112 to $262 for standard repairs. Emergency service is available 24/7 at approximately $243.
Yes, most hvac work in Wilmington County requires a permit. The average permit cost is $75. Our licensed contractors handle all permit requirements.
Our network of 38+ licensed contractors in the Wilmington area offers average response times of 63 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 98°F and winter design temp of 23°F in 19803, proper sizing is critical. Use our Manual J calculator above for an estimate.