Insulate the cage and give him a warm side to choose
A quaker parrot tolerates cool rooms better than many parrots, but a heating failure lasting many hours still needs the cage moved to the warmest internal room, ideally the one the household is living in, since shared body heat and fewer external walls hold temperature best. Cover the top and three sides of his cage with blankets, leaving the front partly open for airflow and a view of the family he wants to supervise. A warm water bottle wrapped in a towel and fixed against one side of the cage, outside the bars where his beak cannot reach the rubber, creates a warm end he can sit beside or leave. Check him rather than the thermometer: a quaker who is fluffed, quiet and sitting low wants more warmth or a fresher bottle, while normal chatter and climbing mean the setup is working.
Manage the noise, the dark and his opinions
A quaker parrot has strong views about routine, and a power cut changes everything he monitors: the lights, the hum of appliances, the household's movements. Expect contact calls and commentary, and answer calmly rather than uncovering and re-covering him repeatedly, which restarts the protest each time. Let the cover do its work through the darkest hours so he sleeps long stretches, conserving energy and heat, and uncover him in daylight for food, water and a supervised look around the room. Keep out-of-cage time short and in the warm room only; a quaker loose in a cold, dim house will find the one cold windowsill or unlit corner worth claiming. Battery lanterns give him enough light to eat confidently without the flicker and flame of candles near a bird who throws things.
Heat sources a curious quaker must never meet
Quaker parrots investigate with their beaks, which rules out most improvised heating twice over: the fumes endanger his breathing and the hardware invites chewing. Candles, oil lamps, portable fuel heaters, gas fires used unusually hard and any barbecue brought indoors all produce gases a bird's efficient lungs take in far faster than a person's. A quaker who can reach a heater cable, a hot surface or a scented candle will try, so his room stays combustion-free and warmth comes from blankets, warm water and the household's own gathered heat. If the house temperature keeps falling despite insulation, relocating him to a heated home is a better decision than bringing riskier heat into his space.
Food, water and the household rota
Keep a quaker's food and water topped up at every uncovering, and offer a warm mash or a favourite food if the cold is denting his appetite, because eating is how a bird stokes its own furnace. Watch for the signs the outage is beating the setup: a quaker who stops vocalising entirely, sits at the cage bottom, or refuses food across several checks needs warmth elsewhere and an avian vet's advice when you can reach one. Long outages are rarely managed by one person, so write the routine down: who refreshes the warm bottle, who checks the water, who keeps the cover settled at night. KinsLe Family Sharing supports exactly that, putting your quaker's profile and care information in front of everyone in the household so the outage routine runs identically whoever is on shift.