New Hampshire HVAC Load Calculation Guide
Free HVAC load calculation guide for New Hampshire. Review climate zones, design temperatures, building code context, and local calculator resources for Manchester, Nashua, Concordand 1 more cities.
Start with the Free New Hampshire Load Calculator
Use our residential or commercial calculator to estimate loads with New Hampshire-relevant climate conditions in mind.
New Hampshire Design Temperatures
Winter Design Temperature
-6°F
Used for heating load calculations and equipment sizing across New Hampshire
Summer Design Temperature
87°F
Used for cooling load calculations and equipment sizing across New Hampshire
New Hampshire Building Codes & Requirements
HVAC Requirements
- • High-efficiency heating
- • Air sealing critical
- • Ventilation heat recovery
Note: Mountain areas require special consideration for altitude and access
Energy Code
2015 IECC with New Hampshire amendments
Common Building Types
- • Colonial homes
- • Mountain cabins
- • Small commercial
New Hampshire HVAC Challenges
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Cold winters
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Mountain conditions
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Historic preservation
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Remote locations
Major Cities in New Hampshire
Manchester
86°F max
Nashua
85°F max
Concord
87°F max
Derry
85°F max
Local Resources
New Hampshire Office of Strategic Initiatives
government
New Hampshire HVAC Association
organization