“Best” depends on your lifestyle and budget. We categorize options as follows: Traditional: Kerosene-fed panel radiators or stoves remain common and reliable. Comfort: Hydronic floor heating (underfloor) systems are popular for new construction. Efficiency: Air-source heat pumps (rated for -25°C) are increasingly popular and cost-effective. Eco-Luxury: Some geographic locations have been able to use geothermal systems