David Marrs
  • Male
  • Ocala, FL
  • United States
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Latest Activity

David Marrs posted an event

Beginner Wrightsoft Manual J & D Interactive Web Class at Internet

July 8, 2014 from 9am to 6pm
We will review over the practices of completing a basic heat load (Manual J) & Duct Layout/Duct Calculations (Manual D) using Wrightsoft software. We will design approximately 3-5 small houses.Class is limited to 25 students.To sign up visit http://ManualJ.biz/ ,click on Training and select the date that you would like to attend the class.Class consists of a total of 8 hours of class time with (2) 15 minute Breaks…See More
Jun 11, 2014
David Marrs joined Kyle Brown's group
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Wrightsoft - Manual J / Manual D

If you use Wrightsoft to calculate loads or design ducts, you likely have questions.  Get answers from veteran program users and peers here!
Jun 9, 2014
Diane Chojnowski left a comment for David Marrs
"Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you! Don't…"
Sep 27, 2013
David Marrs is now a member of Home Energy Pros
Sep 4, 2013

Profile Information

Company
Marrs HVAC Services, LLC
Professional Certification
Class 3 & Class 2 Bers Energy Rater
Professional Interests
HVAC Design. Manual J, D, S, N Duct layouts, Material lists, Estimating.
Website URL
http://www.ManualJ.biz
Facebook Page
facebook.com/cadofocalallc

Comment Wall (1 comment)

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At 2:36am on September 27, 2013, Diane Chojnowski said…

Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!

Don't forget to add your location on our Member Map!


Thanks!
Diane, HEP Moderator

 
 
 

Forum Discussions

Electro Magnetic Fields (EMF)

Started by Barry L NewDelman in General Forum. Last reply by Brad Cook 13 hours ago. 4 Replies

When is it too windy to use blower door?

Started by Brandon Walton in General Forum. Last reply by Kent Browning 19 hours ago. 15 Replies

Affordable Housing Funding

Started by SUZETT MOFFITT in General Forum. Last reply by John Nicholas yesterday. 5 Replies

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Federal Energy Efficiency on the chopping block!

Up to 40% cuts on the table to EnergyStar and more. Visit …See More
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