2021 Aspen Energy Code
Colorado
Heat Pumps, Air Conditioning
Mandatory
Building Code
Entered into force, New
2023
February 2024
Electricity
Revised Municipal Code of the City and County of Denver Colorado, Sec. 10-20. - Electrification requirements for existing buildings
Colorado
Heat Pumps, Packaged Terminals, Central ACs
Mandatory
Building Code
Entered into force, Revised
1982
2024
February 2024
Electricity, Gas
TCVN 8630:2010 Boilers - energy efficiency and test methods
Vietnam*
Boilers and Furnaces
Mandatory
Minimum Performance Standard
Entered into force, Revised
2010
2019
January 2024
Gas, Oil
TCVN 8630:2019 Boilers - Energy Efficiency and Method for Determination
Vietnam*
Boilers and Furnaces
Mandatory
Minimum Performance Standard
Entered into force, Revised
2010
2019
August 2025
Gas, Oil