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gas boiler prices & costs

The gas boiler prices & costs  depends on the efficiency and brand. There are two efficiency styles: standard and high-efficiency. A standard model has an efficiency rating of 80 to 85 percent, which you might see listed as AFUE80 or AFUE85 (AFUE stands for Annual Fuel Utilization Efficiency).  A high-efficiency model will have an AFUE of 90 percent or more. This represents how much of the system’s energy is being converted heat under real-world conditions. For example, a 100,000 BTU system with an AFUE80 rating is losing 20 percent of its energy and producing 80,000 BTUs of heat. (BTU stands for British Thermal Unit, the amount of energy it takes to heat or cool one pound of water by one degree Fahrenheit.)

A gas boiler is similar to a gas furnace in that it is a system that uses natural gas — like propane — to heat your home. However, a furnace provides heat by using air, while a boiler uses water. This water can be sent through pipes to provide heat to fan coil units to provide warm air, but it can also be used for heating swimming pools, baseboard heaters, radiant floor heaters, snowmelt systems, or even as steam to radiators. The most homeowners spending between $2,352 and $6,988.

The gas boiler prices & costs  depends on the efficiency and brand. There are two efficiency styles: standard and high-efficiency.

gas boiler prices & costs


How Do Gas Boilers Work?

The main components of a gas boiler are:

  • A water source
  • A gas supply
  • A pilot light
  • Burners
  • Heat exchangers
  • A pump

The water enters the system, usually from your community’s water supply. Natural gas also comes in from the street. The pilot light ignites the burners, which heat up the water as it passes through the heat exchangers. A pump then sends the hot water (or steam, if the system calls for it) where it’s needed.

Some boilers have a water storage tank. This allows a certain amount of hot water to be available on demand. These are often used in apartment complexes and large homes. However, some places might be too small to accommodate a water storage tank, and instead heat the water when it comes into the house on an as-needed basis. You’ll usually find these in very small places where space is precious.

gas boiler prices &costs-System gas boiler

A system boiler also heats your home by using hot water, and needs both a hot water tank and a cold water storage cistern in the loft or roofspace.

gas boiler prices &costs -The advantages of a system gas boiler are that they are much easier to install than other types of boiler, so reduce your labour costs, and that when you need to turn up the heat or switch it off in a hurry, the boiler responds quickly.

Not many system boilers are being installed in new properties as combi technology is preferred by builders, but if you already have a system gas boiler installed, the simplest option could be to replace it with a new one. Prices for a new system boiler start at around £600.