David Marrs
  • Male
  • Ocala, FL
  • United States
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David Marrs's Groups

 

David Marrs's Page

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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Join Home Energy Pros

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

 
 
 

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Latest Activity

Charles Ryan Weitzel posted a discussion

Oil Fired Boiler Being Used as the Heating Source in Two Air Handlers of a Historic Home

I'm not sure this makes any difference, but I've only run into a system like this here, where I…See More
2 hours ago
Ronald Wallis replied to Jonny Fisher's discussion Minneapolis Blower Doors and Duct Blaster for sale in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"interested in your equipment. Do you have pics? Is equipment compliant with new regulations?"
6 hours ago
Ronald Wallis joined allen p tanner's group
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Energy Auditing Equipment for Sale, Trade or to Purchase

Discuss the pros and cons of the equipment you are interested in prior to purchase. Post equipment…See More
6 hours ago
Joe Crisara replied to Kim Tanner's discussion Article about residential energy efficiency and why sales are low
"Kim, I couldn't agree more. Too many times energy audits are focused on the technical aspects…"
7 hours ago
Chris Dorsi's event was featured
7 hours ago
Joe Crisara posted a video

Total Immersion HVAC, Plumbing & Electrical Contractor Sales Summit Video

This is a video of the opening segment of one of the Total Immersion Sales Summits which features sales training for the HVAC, Plumbing and Electrical Contra...
7 hours ago
Chris Dorsi updated an event
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2016 Habitat X Summer National Conference at Big Sky Resort

June 27, 2016 to June 29, 2016
The 2016 Habitat…See More
7 hours ago
Chris Dorsi posted an event
8 hours ago

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