Peanuts and Oxalates. Peanuts are among a small number of foods that contain measurable amounts of oxalates, naturally-occurring substances found in plants, animals, and human beings. When oxalates become too concentrated in body fluids, they can crystallize and cause health problems.
Heat Pump Power Interruptions. In cold weather, the heat pump extracts heat from the cold air outside and releases it inside the house. The process is reversed for cooling during warm weather. Â©2006 Publications International, Ltd.
But when it gets really cold (below 35Â°F), the heat pump switches to gas heat for better efficiency and comfort. Because there are advantages to both heat pump and gas furnace based on the outdoor temperature, a dual-fuel system really does offer the best of both worlds.