by E-Calcs Plus, Inc. | Jun 1, 2026 | HERS Rating
HERS vs ERI in Florida: Choosing Your Path TL;DR HERS vs. ERI: While both measure home energy efficiency on a scale where lower is better, HERS is a national branding tool for marketing, whereas ERI is the specific legal path used to meet the Florida Building Code....
by E-Calcs Plus, Inc. | May 15, 2026 | Duct Design, Duct Leakage Testing
Energy Loss You Can’t See: Fixing Leaky Ducts TL;DR Invisible Energy Loss: Leaky air ducts cause up to 30% of conditioned air to escape, leading to significantly higher energy bills and uneven temperatures throughout your home. Humidity and Air Quality: Holes in...
by E-Calcs Plus, Inc. | May 1, 2026 | Duct Leakage Testing
TL;DR Mandatory for Most Projects: Duct leakage testing is generally required by the Florida Building Code for new home construction, large additions, and full ductwork replacements to ensure energy efficiency. Key Exceptions: Testing can often be skipped if all...
by E-Calcs Plus, Inc. | Apr 15, 2026 | Uncategorized
Fixing Air Leaks: Pre-Drywall vs Final Timelines Building a home in Florida comes with unique challenges, especially when it comes to keeping the heat and humidity outside. One of the most important parts of this process is making sure your home is airtight. When air...
by E-Calcs Plus, Inc. | Apr 1, 2026 | Uncategorized
TL;DR What it is: A blower door test uses a powerful fan to depressurize your home, identifying hidden air leaks to measure overall airtightness and energy efficiency. Why it matters in Florida: It is a legal requirement for all new residential construction to ensure...
