Important Information to Know about Sizing a Heating system

by | Nov 3, 2015 | Heating and Air Conditioning

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Determining the right size of a residential heating system is vital for achieving a comfortable indoor environment. Sizing of a heating system is particularly crucial for maximum energy efficiency and comfort levels. When a unit is over-sized, its efficiency is reduced, utility bills increase and it may comprise comfort levels. To ensure that a heating system is sized properly, it is imperative to hire the services of a certified heating contractor. An experienced heating contractor has an in-depth knowledge of all the key factors to take into account when sizing a commercial or residential heating unit. Here are important details to know about Sizing Heating system.

Where can a person get information about heating systems sizing procedures?
The procedures for sizing a heating system in the United States can be found in Manual J, and manual S. These two manuals are produced by the Air Conditioning Contractor’s Association of America (ACCA). There are plenty of computer programs that can be used to simplify load calculations specified in Manual J. After the heating load is determined Manual S can be used to choose the right heating unit.

What are some of the key factors considered when sizing a heating system?
The key factors to take into account when sizing a heating system include:

  • Levels of insulation
  • Occupants comfort preferences
  • Air filtration rates
  • The shape, size and orientation of a house
  • Local climatic conditions
  • Type, location and area of windows
  • Types and inefficiencies of lights and home appliances that produce heat

Why is not recommendable to size a heating system by just checking its nameplate?
Since most people have now added insulation, weather stripping, caulking and energy efficient windows to their homes, going by the nameplate will likely result in an over-sized heating unit. Making improvements such as these can allow home owners to reduce heat loss, install smaller units and still enjoy comfortable indoor environments as well as lower utility bills.

It is important for home owners to insist that HVAC technicians follow the correct procedures for Sizing Heating system before signing a contract. For more information about proper sizing of heating systems, and how to contact a knowledgeable HVAC contractor, please go to Website Domain.

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