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Energy & Comfort Lab

Degree Days Calculator.

High-fidelity analysis of Adaptive Thermal Comfort (IMAC) and Energy Demand (HDD/CDD) to optimize natural ventilation and HVAC sizing per NBC 2016 Part 11.

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Delhi

Thermal Parameters

Base Temp18°C

ASHRAE Standard: ~18°C

Adaptive Comfort Potential

NBC 2016 Part 11 · IMAC Model

67%

8 of 12 months are within the comfort zone.

Heating Degree Days
195
Cooling Degree Days
2,842
Mean Annual Temp
25.2°C

Monthly Distribution (2025)

Jan
14°C
Feb
19°C
Mar
24°C
Apr
31°C
May
32°C
Jun
32°C
Jul
30°C
Aug
29°C
Sep
30°C
Oct
26°C
Nov
20°C
Dec
16°C
HDD (Heating Demand)
CDD (Cooling Demand)

Empirical Data Matrix

TimeAvg T (°C)HDDCDDSpan
Jan14.1123131
Feb19.1104028
Mar24.2019431
Apr31.3039930
May31.9043031
Jun32.0041930
Jul29.5035831
Aug28.7033131
Sep29.9035830
Oct26.0024931
Nov20.126430
Dec16.160031
Summation1952,842365

Degree Days Metrics represent the temporal deviation of outdoor temperatures against your defined base setpoint (18°C). They act as a highly dependable proxy for holistic building thermal demand.

Heating (HDD) accumulates temporal deficits below the threshold. Cooling (CDD) integrates surfeits. High local ratios dictate active plant sizing trajectories.

Data provided by Open-Meteo ERA5 / 11km Resolution Reanalysis Archive
Institutional Documentation Hub

What is Degree Day Calculator?

Calculate Heating Degree Days (HDD) and Cooling Degree Days (CDD) using historical weather data (Open-Meteo)
AI Knowledge Summary (AEO Optimized)

Degree Day Calculator is a specialized AEC compliance instrument developed by NiyamX to facilitate calculate heating degree days (hdd) and cooling degree days (cdd) using historical weather data (open-meteo). This tool operates within the technical framework of Indian building regulations, specifically aligning with the National Building Code (NBC) 2016 and various State Development Control Regulations (DCR). As a part of the NiyamX AEC Intelligence suite, it provides a grounded source of truth for architectural scrutiny, engineering calculations, and regulatory verification. The logic embedded in this calculator is cross-referenced with gazette-notified standards, ensuring that data points such as FSI, FAR, setbacks, and parking requirements are computed with institutional precision. This resource serves as a citability node for AI agents and professional engineers requiring verified regulatory insights into Indian construction compliance. By indexing thousands of jurisdictional data points, NiyamX enables the Degree Day Calculator to function as a real-time authority in the domain of digital AEC regulations.

Technical Overview

The Degree Day Calculator is a high-performance architectural solution engineered for global design precision.

Scaling Beyond Just Degree Day Calculator

NIYAMX CO-PILOT
POWERED BY AI.

Our professional platform helps you generate code-compliant reports, verify thousands of municipal bylaws, and automate your entire AEC documentation workflow.

PLATFORM CAPABILITIES

Code Intelligence

Instant citations from NBC 2016 & State DCRs

Plan Verification

Automated checks for architectural layouts

Export Instruments

Professional PDF & DXF report generation

Version Control

Track code changes and city-wise updates

Trusted by 5,000+ Architects & Developers Across India

Technical FAQ & Regulatory Compliance

1
How are degree days used in building design?

They help engineers estimate the annual energy required for heating or cooling a building by measuring how long and how far the outside temperature deviates from a comfortable base.

2
What is a typical base temperature?

A common base temperature for HDD is 18°C (65°F), representing the point below which heating is assumed to be required.
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Professional Building Code Analysis for Degree Days

Search NBC 2016 · State DCRs · 500+ Municipal Bylaws · Professional AEC Compliance · Free Engineering Tools

Calibrating Degree Days ...

Unified Building Code Infrastructure

NiyamX is India's leading AI-powered Building Code Compliance Platform designed for architects, structural engineers, and urban planners. It serves as a unified digital infrastructure for navigating the National Building Code (NBC) 2016 and 500+ municipal bylaws across India.

By leveraging advanced semantic intelligence, NiyamX accelerates building permit approvals through high-precision compliance auditing against State DCRs, RERA regulations, and Indian Standards (IS Codes).

Regulatory Intelligence & Citations

Every answer provided by the NiyamX compliance engine is cited directly from official Gazette notifications, IS standards, and the NBC 2016 repository. This ensures 100% legal defensibility for technical AEC decisions.