Manitoba homeowners endure the telltale signs with double lift-out slider windows as unrelenting prairie winters clamp down hard – both operable sashes freezing rigidly in place, wind chill penetrating gaps at -20°C with feels-like plunges to -40°C or worse, turning basements and main floors into iceboxes despite cranked furnaces.

Alberta homeowners wrestling with odd-shaped openings in older ranchers or heritage bungalows often spot trouble when chinooks roar through – warped frames suddenly gap open, letting -30°C drafts howl, while fogged arches and bays leak precious heat despite past patches