Q:

How can correct furnace size be calculated?

A:

Quick Answer

The proper furnace size can be determined by a contractor using industry-standard calculations, but an estimate can be determined by using a British thermal unit, or BTU, calculator. Free BTU calculators can be found online.

Continue Reading

Full Answer

BTUs are the amount of energy needed to heat 1 pound of water by 1 degree Fahrenheit. The correct furnace size will depend on how many BTUs per hour are needed to generate sufficient heat for the home. The online calculators provide an accurate estimate but do not take into account additional factors, such as the size, shape, climate and insulation of the area being heated.

Learn more about Heating & Cooling

Related Questions

  • Q:

    How many BTUs does a furnace need to heat a large home?

    A:

    The size of a home does not dictate the furnace British thermal unit output needed to heat it properly or efficiently. Several factors must be considered when deciding on the correct furnace BTU output for a specific home. BTU calculators available online, such as Calculator.net, can assist in the process.

    Full Answer >
    Filed Under:
  • Q:

    What does BTU stand for?

    A:

    BTU stands for British thermal unit. BTU is an international unit of energy that measures how much heat is needed to raise 1 lb. of water by 1 degree Fahrenheit.

    Full Answer >
    Filed Under:
  • Q:

    How do you determine a fair estimate for contractor pricing?

    A:

    In order to determine a fair estimate for contractor pricing, determine the specific details of the project such as the project's expected completion, quality, materials and work; obtain at least two bids from a contractor and compare the bids to the average costs using a project calculator or an online resource such as RemodelOrMove.com or Improvenet.com. The websites provide average costs of materials and labor based on the specific ZIP code. Average costs are estimated figures and can vary depending on contract terms, materials used and unforeseen project issues.

    Full Answer >
    Filed Under:
  • Q:

    How do you properly wire a humidifier to a furnace?

    A:

    To wire a humidifier to a furnace, run two 12-gauge wires from the motor control contractor of the furnace to the electrical box on the humidifier. Attach the neutral wire to the neutral lug of the furnace and the black power wire to the bottom of the motor contractor.

    Full Answer >
    Filed Under:

Explore