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  • Writer's pictureSinan ACAR

How To Determine the Right Boiler for Your Home ?

Updated: Jan 16


Koolmech Mechanical Corporation
Koolmech Mechanical Corporation

There are several crucial factors to consider when selecting the perfect boiler for your home. By taking these aspects into account, you can ensure optimal heating efficiency and comfort. It is highly recommended to consult with an experienced HVAC consultant throughout the shopping process, as they can provide valuable insights and consider each factor holistically. Here are some key topics that an expert will cover with you:

  1. Heat Distribution Method Your home's existing heat distribution infrastructure plays a vital role in choosing a suitable boiler. Since altering the distribution system can be challenging, it limits the options available to an HVAC consultant. For instance, installing an air handler for heat distribution requires existing ductwork. If ductwork is not present, the project could be excessively expensive and time-consuming. In Canada, the most common residential boiler applications involve hot water circulation systems. Examples of popular heat distribution systems include cast iron radiators, copper fin baseboard radiators, in-floor radiant heating, and air handlers.

  2. Fuel Source The fuel source supplied to your home significantly impacts the available options for boilers. Natural gas, propane, and electricity are the most common fuel sources. In Canada, natural gas is widely used; however, it is essential to understand how natural gas codes may affect your installation choices. It is advisable to consult your HVAC expert or natural gas provider to learn about any restrictions or considerations specific to your area.

  3. Physical Space For many homeowners, the amount of physical space available is a critical factor when selecting a new boiler. Depending on the type of boiler, it can be floor standing or wall-mounted, with some models available in both configurations. A floor-standing system may require up to a 4x4ft space, while a wall-mounted combi unit, which also provides hot water, can help save room in your home by eliminating the need for a separate hot water tank.

  4. Size When determining the appropriate size of a boiler, it is not the physical dimensions that matter, as they can vary among manufacturers and equipment styles. Boilers are sized based on their BTU (British Thermal Unit) output. An HVAC consultant will perform a heat loss and heat gain calculation to determine the right size for your boiler. This calculation considers factors such as the size of your home, insulation, and areas where heat may escape. It provides an estimate of the heat lost per hour for each room in your home.

Selecting an improperly sized boiler can adversely affect its efficiency and result in higher operating costs. The ideal boiler for your home will effectively heat the entire space without wasting fuel. As a general rule, larger houses require boilers with higher BTU outputs. After conducting the heat loss analysis, your HVAC consultant will be able to guide you through the remaining options for boiler replacement.

By considering these factors and seeking professional advice, you can confidently determine the right boiler for your home, ensuring efficient heating and optimal comfort for years to come.

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