833.322.5271 eric@ecalcsplus.com
  • Get a Quote
E-Calcs Plus, Inc.
  • Home
  • Services
    • Residential
    • Commercial
    • Duct Design
    • Blower Door Testing
    • Duct Leakage Testing
    • HERS Rating
  • Areas We Serve
  • About
  • Blog
  • Contact
Select Page
Manual J vs. Manual D vs. Manual S: Understanding the Manuals for HVAC

Manual J vs. Manual D vs. Manual S: Understanding the Manuals for HVAC

by E-Calcs Plus, Inc. | Aug 27, 2025 | Duct Design

The Role of Manuals in HVAC Design and Installation When it comes to designing and installing an efficient HVAC system, understanding the differences between Manual J, Manual D, and Manual S is essential. These manuals serve distinct but interconnected purposes:...
Signs Your Home Needs Air Duct Leakage Testing

Signs Your Home Needs Air Duct Leakage Testing

by E-Calcs Plus, Inc. | Jul 29, 2025 | Duct Leakage Testing

If you’ve been wondering whether your home might have an issue with its duct system, it’s likely time to consider air duct leakage testing. A well-sealed ductwork system is essential to ensuring your HVAC system runs efficiently, delivering conditioned air exactly...
DIY vs. Professional Manual J Calculations: Pros and Cons

DIY vs. Professional Manual J Calculations: Pros and Cons

by E-Calcs Plus, Inc. | May 19, 2025 | Manual J Load Calculation

Designing an efficient and effective HVAC (heating, ventilation, and air conditioning) system for your home begins with a critical step: performing a load calculation. Commonly known as a Manual J calculation, this process accurately determines the heating and cooling...
Next Entries »

Recent Posts

  • Blower door test in Florida: what it is, what it finds
  • Planning Your 2026 Construction Schedule: When to Book Energy Calculations and Testing
  • Holiday Comfort: Ensuring Your HVAC System is Properly Sized for Gatherings and Guests
  • Energy Efficiency Month: The Financial Benefits of Proper HVAC Sizing and Testing
  • Beyond Minimum Code: How to Achieve Superior Energy Performance in Florida Buildings

Archives

  • April 2026
  • December 2025
  • November 2025
  • October 2025
  • September 2025
  • August 2025
  • July 2025
  • May 2025
  • February 2025
  • October 2024
  • March 2024
  • February 2024
  • July 2023

Categories

  • Blower Door Testing
  • Commercial Energy Calculations
  • Duct Design
  • Duct Leakage Testing
  • E-Calcs
  • HERS Rating
  • Manual J Load Calculation
  • Residential Energy Calculations
  • Uncategorized

Meta

  • Log in
  • Entries feed
  • Comments feed
  • WordPress.org
© 2026 E-Calcs Plus, Inc. | Designed by Christine Lam |

Marketing & SEO: McElligott Digital Marketing