Operating limits of a heat pump depending on the model

Outdoor unit of an air-water heat pump on the outside wall of a building in winter with snow

  Understanding the operating limits of a heat pump is essential to ensure system performance, durability, and indoor comfort in Québec’s climate. When temperatures drop well below freezing, not all systems respond the same way. Some units are designed to maintain solid efficiency down to approximately –25 °C, while others quickly reach their limits as […]