Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Check-a-Trade said: "As gas is generally cheaper than electricity – and modern gas boilers are more energy-efficient than their older counterparts – gas central heating systems are often the most cost-effective solution for heating your home.