PRODUCT GUIDE Commercial Heating Boilers The efficiency of the boiler can drastically affect energy use for the whole building. Photo: MIURA Behind the recommendations Related articles Behind the recommendations Related articles Commercial Heating Boilers The highest-efficiency and lowest-pollution commercial boilers on the market More about Commercial Heating Boilers A Heating Fuel Cost Comparison "App" With home heating fuel prices bouncing up and down as much as they have over the last few years, it's easy to think that there must be a better solution out there, with a different fuel. But is there?