2.1 National or regional levels In some countries, building codes and standards for energy efficiency are set at a national level. In countries with large climatic differences the national building codes might includes values which are adjusted to the local conditions.
NCC 2022 Webinar Series: apartment energy efficiency.

In 2008, for example, changes were made to energy efficiency standards for both residential and nonresidential buildings. Often referred to as Title 24, these codes mandate greater energy efficiency.

These minimum energy efficiency requirements have been used to form a National Building Energy Efficiency Code (BEEC).Some, 43%. Figure 46: Level of competency. Question 2: How well would you rate your ability to assess the level of energy efficiency of a building design?

Building Energy Efficiency Guideline for Nigeria. Federal Ministry of Power, Works and Housing (Housing).
The apartment stays warmer due to energy-efficient windows. I have also noticed when the system is running, it isnt as loud as it used to be. Improved energy efficiency long has been an option and a money-saver for those who can afford the up-front costs.
Pilot Building Code Compliance Project in Hyderabad. NRDC and ASCI successfully supported the state of Telangana in passing into law state-level energy efficiency codes as mandatory requirements for all new large commercial buildings in 2014.