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Calculate the right HVAC size for your home in Rochester, NH.
Design temperatures: 87°F summer / 6°F winter
Total conditioned living space
Cooling Load
32,915
BTU/hr
Heating Load
188,272
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 14621
Average costs in Rochester
Typical homes in 14621
Federal Energy Efficiency Tax Credit
federal incentive • Expires 2032-12-31
Up to $2,000
HVAC service calls in Rochester, NH typically range from $94 to $244 for standard repairs. Emergency service is available 24/7 at approximately $216.
Yes, most hvac work in Rochester County requires a permit. The average permit cost is $75. Our licensed contractors handle all permit requirements.
Our network of 36+ licensed contractors in the Rochester area offers average response times of 71 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 87°F and winter design temp of 6°F in 14621, proper sizing is critical. Use our Manual J calculator above for an estimate.