Connecticut HVAC Load Calculation

Professional HVAC load calculation requirements for Connecticut. Get accurate heating and cooling load calculations with state-specific design temperatures, building codes, and local climate considerations for Bridgeport, New Haven, Hartford and 1 more cities.

Quick Start Connecticut Load Calculator

Get started with your Connecticut HVAC load calculation using our professional tools designed for local climate conditions.

Connecticut Design Temperatures

Winter Design Temperature

6°F

Used for heating load calculations and equipment sizing across Connecticut

Summer Design Temperature

87°F

Used for cooling load calculations and equipment sizing across Connecticut

Climate Zone Information

Connecticut spans climate zones 5A, which means different regions may have varying design requirements. Always verify local design temperatures for your specific project location.

Connecticut Building Codes & Requirements

HVAC Requirements

  • High efficiency mandates
  • Duct testing required
  • Ventilation standards enforced

Note: Green building incentives available through state programs

Energy Code

2018 IECC with state amendments

Common Building Types

  • Colonial homes
  • Multi-family units
  • Commercial buildings

Connecticut HVAC Challenges

Historic preservation

Dense urban areas

Coastal conditions

Cold winters

Major Cities in Connecticut

Bridgeport
85°F max
New Haven
85°F max
Hartford
87°F max
Stamford
84°F max

Quick Facts

State:Connecticut
Abbreviation:CT
Climate Zones:5A
Major Cities:4

Local Resources

Eversource

utility

Visit Website →

Connecticut Green Bank

government

Connecticut HVAC Association

organization