How much does it cost to heat a house with a com-bi boiler?

The cost to heat a house with a combi boiler varies based on factors like the size of the home, energy efficiency of the boiler, local energy prices, and insulation quality. On average, homeowners can expect to spend between $1,000 to $2,500 annually on heating, depending on these variables. Additionally, the efficiency rating of the combi boiler can significantly influence costs, with higher-rated models typically leading to lower energy bills. It's advisable to consult energy providers for more accurate estimates based on specific circumstances.