Energy Demand Management: RTG Thermal Regulation Portal

RTG Appliances and Systems

Hot Water Heaters

General Information

The Regional Council decided that domestic hot water must be solar-powered in all residential housing and the tertiary sector (lodging, health facilities, restaurants, hotels, sports facilities).


At least 50% of hot water needs must be met using solar power.


This rule applies to new housing and buildings for use as lodging, health facilities, restaurants, hotels, and new or renovated sports facilities.

Support Measures

In addition to regulations pertaining to thermal regulations for buildings, there are also several mechanisms promote the purchase of solar-powered water heaters (see the “Domestic Hot Water” page for more information).

Efficient Cooling

General Information

Guadeloupe’s thermal regulations cover air conditioning systems and include two key measures to improve air conditioner efficiency.