How much a boiler should cost. Average costs and comments from CostHelper’s team of professional journalists and community of users. Installing a standard boiler annual fuel utilization efficiency typi.y costs about $, $, for a gas fired and $, $, for an oil fired unit generally used in areas without .Shop our selection of Natural Gas, Boilers in the Heating, Venting Cooling Department at The Home Depot..Find the average prices of gas boilers, and learn about the cost of installation and replacement for natural gas, high efficiency and other boilers..We offer many high efficiency gas boilers including Weil McLain Ultra Boilers, Lochinvar Boilers, Buderus Boilers, Burnham Alpine Boilers, Emb.y Boilers, Prestige Solo Boilers, Viessmann Vitodens Boilers, Slantfin Bobcat Boilers, and Ray Boilers..
Average Gas Boiler Prices. Gas boilers cost about $, with most homeowners spending between $, and $,. The price depends on the efficiency andnd. There are two efficiency styles standard and high efficiency..