How many letters does the top answer for “white goods in which food can be stored at low temperatures” have?

The most common answer is icebox (6 letters).

Crossword clue: white goods in which food can be stored at low temperatures

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

icebox 6 letters wn-def

white goods in which food can be stored at low temperatures

refrigerator 12 letters wn-def

white goods in which food can be stored at low temperatures