The crews, two from Leamington and one from Kenilworth, were called out to the fire at a house in St Georges Road at about 2am.
The incident involved a fire in the kitchen.
Two firefighters wearing breathing apparatus used a hose reel jet to extinguish the fire.
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All occupants were safely out of the property on the arrival of the fire service.
The crews had returned to their stations by about 3am.