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Calculate the right HVAC size for your home in St. Petersburg, FL.
Design temperatures: 100°F summer / 40°F winter
Total conditioned living space
Cooling Load
58,667
BTU/hr
Heating Load
77,106
BTU/hr
Recommended Size
5 Ton
System Capacity
Est. Monthly Savings
$22
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 00003
Average costs in St. Petersburg
Typical homes in 00003
Federal Energy Efficiency Tax Credit
federal incentive • Expires 2032-12-31
Up to $2,000
HVAC service calls in St. Petersburg, FL typically range from $85 to $235 for standard repairs. Emergency service is available 24/7 at approximately $203.
Yes, most hvac work in St. Petersburg County requires a permit. The average permit cost is $75. Our licensed contractors handle all permit requirements.
Our network of 15+ licensed contractors in the St. Petersburg area offers average response times of 45 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 100°F and winter design temp of 40°F in 00003, proper sizing is critical. Use our Manual J calculator above for an estimate.