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AC, Heating and Plumbing Tips

What is an HVAC Load Calculation?

Posted on Jul 16, 2014

An HVAC Load Calculation

Houston homes come in all different shapes and sizes, and the same goes for heating, ventilation and air conditioning (HVAC) systems. Having a certified technician perform an HVAC load calculation will help you determine what type and size HVAC system will be the most efficient and cost-effective for your home.

What Is HVAC Load Calculation?

An HVAC load calculation measures several aspects of a home to determine what size, application and style of HVAC system will be the most efficient and cost-effective, including:

  • Total square footage of the home where air will circulate
  • The number of windows, doors and entrances to the home
  • The integrity, location and density of insulation in the home
  • How much living space is on each level, including the attic and basement
  • What landscaping surrounds the home and provides shading
  • Window treatments to keep the sun out, such has curtains, blinds and shades
  • The condition and scale of the ductwork

Load calculations used to be done with pencil and a ruler. Today, technicians use software applications with a tablet or mobile device to determine a load calculation. Home and commercial business owners can get free load calculations for HVAC using downloadable calculators…but will likely need assistance from a certified technician in order to get an accurate and final calculation.

The Benefits of an HVAC Load Calculation

An accurate HVAC load calculation can help you find the right size system for maximum efficiency and comfort. The right size system will also help you reduce energy by not excessively cooling or heating your home, which in turn lowers your utility bills. An HVAC load calculation can also help diagnose larger issues with regards to heating and cooling your home that might need to be addressed prior to the HVAC system being installed, such as ductwork repairs or a broken thermostat.

Interested in upgrading or installing an HVAC system in Houston, Texas? Contact Hartford Services today and we’ll send out an HVAC service technician. Estimates are free on heating and cooling installations.

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