Building Efficiency System Tool™

The BEST way to compare HVAC systems for free, based on actual system performance data, in just minutes.

What's BEST for Your Building?

What you input:
  • Location of building
  • Size of building
  • Number of floors
Then select up to four HVAC systems to compare side-by-side.

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What the BEST outputs:
  • Installation cost
  • Replacement cost
  • Maintenance cost
  • Monthly energy cost
  • Electrical and fossil fuel consumption costs
  • Total system life cycle cost
  • Cumulative life cycle cost by year
  • System payback time
  • Pump and fan HP
  • System coefficient of performance (COP)
  • Building energy efficiency ratio (BEER)

The BEST delivers accurate, fast, and free efficiency estimates for early HVAC system comparison. Read "Industry Cooperation Produces BEST results" in Radiant Living.

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Who we are
The Hydronics Industry Alliance-Commercial (HIA-C) is a non-profit alliance of hydronic equipment manufacturers and partners operating in North America. Operating under the principle that water is the most efficient and greenest energy transfer medium on the planet, the alliance serves as a resource within the HVAC and Service Water Heating industry. Our mission is to educate, integrate, and communicate the advantages of Hydronic System Solutions.

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