Under B, subsection 6. HEATING VENTILATION AND AIR CONDITIONING SYSTEMS, changes to energy efficiency regulations impact the installation, replacement, and some repairs of heating and air conditioning units (HVAC). Which level of government are responsible for these regulations?

State and federal government.

Explanation:

According to the Building Energy Efficiency standards;

Under B, subsection 6. HEATING VENTILATION AND AIR CONDITIONING SYSTEMS, changes to energy efficiency regulations impact the installation, replacement, and some repairs of heating and air conditioning units (HVAC). The level of government that are responsible for these regulations are both state and federal government.

This ultimately implies that, state and federal government are saddled with the responsibility of ensuring project managers, building engineers and other professionals abide by the regulations or standards with respect to HEATING VENTILATION AND AIR CONDITIONING SYSTEMS (HVAC).

answer; decentralized;