David Byrnes
  • Tempe, AZ
  • United States
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When can an oversized A/C be a good thing?

Started this discussion. Last reply by David Butler Feb 9. 15 Replies

I've always been a strong proponent for properly sizing A/C's together with home performance upgrades but with utility companies moving towards more demand based rate plans we've come across some…Continue

Tags: based, rate, plans, demand, controller

Join a Home Performance Mastermind

Started Jan 14, 2016 0 Replies

I'm putting together a mastermind group of energy auditors and home performance contractors to help each other grow our business. If you are interested here is a link to learn more and fill out a…Continue

Tags: strategies, business, marketing, auditor, energy

Insulation machine preferences

Started this discussion. Last reply by Daniel Oct 15, 2015. 2 Replies

I'm in the market for a new insulation machine and am unhappy with my existing plug in machine because it's broken down too many times in the field.  I'd like to see what insulation machines other…Continue

Tags: machines, reviews, repair, machine, insulation

Efficiency First Chapter - ideas

Started Feb 7, 2014 0 Replies

Arizona is starting an Efficiency First Chapter to have a unified voice for the local home performance market. I'd like to see what other HEP members have done in their local chapters as initiatives,…Continue

Tags: Groups, Performance, Home, First, Efficiency

 

David Byrnes's Page

Latest Activity

David Butler replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"David, please explain your comment: "...utilities are squeezing homeowners to play the demand/ peak hours game" As an aside... Earlier in my career (1980's) I had the opportunity to work on advanced load control projects, including a…"
Feb 9
David Byrnes replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"Thanks for your discussion @Kent Browning and @David Bulter. I appreciate the concern and will consider removing the table from the post.  I also like cycle timing as another way to estimate the actual load of an existing home. Addressing more…"
Feb 9
Eric Kjelshus replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"Its a cold coil that takes water vapor out of building.   When I started we used only R-12 and air temp supply of just 37-39'  now use R-410A with supply temps of 51-53'   but 1/3 of energy use of with R-410 and…"
Feb 7
David Butler replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"@D.Byrne: After reading Kent's spot-on post today, I referred back to your blog linked in the original post (which admittedly, I didn't look at prior to my earlier comment). I hate to throw you under the bus (really!) but there's a…"
Feb 6
Kent Browning replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"This post and the link to the blog have a number of problems in addition to some valid points. I am only going to address a few of the worst IMHO - 'A properly sized air conditioner cannot "super cool" the house'. (Note the…"
Feb 6
John White replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"There are many problems occur when you have an oversized air conditioners. It lowers the temperature of the air and remove the moisture of the air and many more things. Some of the common problems associated with an oversized air conditioner are…"
Feb 6
David Byrnes's video was featured

Static pressure measurement on a package heat pump

Measuring static pressure on a package unit
Jan 2
David Byrnes replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"Thanks for the feedback David"
Dec 14, 2018
David Butler replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"Keep in mind that for all but the hottest hours, a tightly sized system already has excess capacity. Even at design conditions, it doesn't take much extra capacity to recover from setback. Many of my clients use setback (actually 'set…"
Dec 13, 2018
Franco Oyuela replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"Oversized air conditioners. The reasons to size an air conditioner properly: SAVE MONEY. People in the industry used to think you'd save money on your air conditioning bills with a properly sized air conditioner, but that thinking has…"
Dec 10, 2018
Daniel Baur-McGuire replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"Thanks for the clarification. I was in PHX last week at a Construction Instruction class (those guys know their stuff, denf worth it!). Without the humidity factor I can see a possibility for this working in this specific application. It would be…"
Dec 8, 2018
Sean Lintow Sr replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"FYI - APS / SRP basically means Phoenix, AZ with no humidity except for after a monsoon blows through"
Dec 8, 2018
tedkidd replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"Own stock in ECM fan motor companies by any chance?"
Dec 6, 2018
Daniel Baur-McGuire replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"I feel this ia dangerous train of thought. And i would consider the examples in there of sizing of systems are more on the very oversized scale. What climate are these referring to?  But there is no talk of moisture removal in here. The number…"
Dec 6, 2018
Ed Minch replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"When it is the high end of a multi-speed/variable speed system just sitting there waiting for climate change to catch up Ed"
Dec 6, 2018
Sean Lintow Sr replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"Well you are in an interesting market as humidity levels there are almost non-existent thus you don't need the long run time to help pull that "heat" from the air. With that set the temp lower just before on-peak & pre-cool the…"
Dec 3, 2018

Profile Information

Company
Green ID
Professional Certification
LEED AP, BPI Analyst
Professional Interests
Home performance contracting, energy audit marketing
Website URL
http://www.greenintegrateddesign.com
Twitter ID
Green_ID1
Facebook Page
Www.facebook.com/Green-ID/172982588298/
LinkedIn Profile
Www.linkedin.com/pub/David-Byrnes/7/7a0/39

David Byrnes's Videos

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David Byrnes's Blog

Strategies for Hiring and Interviewing for Home Performance Professionals

Posted on November 19, 2017 at 1:01am 0 Comments

Hire slow and fire fast.  It’s a phrase that experienced managers and human resources professionals live by because many of us have learned the hard way that it only takes one bad hire to put your business into DEFCON Red Alert mode, which unfortunately tends to last weeks or even months after the event.  Certainly, robust training programs, quality assurance, employee perks, good pay and an encouraging work environment all contribute to a company’s success, but it’s the human element, the…

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The Art of Delegation

Posted on January 6, 2016 at 1:45am 0 Comments

How can you create a successful energy audit business that brings you more freedom, time and increases your well being?  It may be surprising to you that success comes less from becoming an expert energy auditor than it does becoming a master of delegation.  By mastering the art of delegation you can have more freedom in your time and escape the rat race of trading time for dollars.  However, delegation is not as easy as it sounds.  The right way to do it actually…

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The Art of Delegation

Posted on January 6, 2016 at 1:42am 0 Comments

How can you create a successful energy audit business that brings you more freedom, time and increases your well being?  It may be surprising to you that success comes less from becoming an expert energy auditor than it does becoming a master of delegation.  By mastering the art of delegation you can have more freedom in your time and escape the rat race of trading time for dollars.  However, delegation is not as easy as it sounds.  The right way to do it actually…

Continue

Top 6 things to watch out for when building a new home and how builders are still cutting corners with energy efficiency

Posted on November 23, 2015 at 10:07am 3 Comments

Even though it seems like all the new home builders are touting how energy efficient their homes are, there are still major problems and misleading information given in terms of the energy efficiency of the homes.  Here are ways a home builder can make it seem like you are getting a good deal but in reality you are simply being mislead.



1. A low HERS Score touted.

A HERS Score standard by which a home's energy efficiency is measured.…

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Indoor Air Quality Monitors and Meters

Started by Rob Madden in General Forum. Last reply by Al Tibbs 17 hours ago. 13 Replies

70 unit building rehab

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Laurie DiDonato posted an event

RESNET HERS Rater Hybrid Training (Classroom Section in NH) at Online/ Classroom Component in Manchester, NH

April 29, 2019 at 9am to May 24, 2019 at 5pm
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16 hours ago
Al Tibbs replied to Rob Madden's discussion Indoor Air Quality Monitors and Meters
"I would take a look at Gray Wolf products. They are the best I have used. I have tried most over…"
17 hours ago
Tommie John added a discussion to the group Energy Auditing Equipment for Sale, Trade or to Purchase
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Blower Door and Duct Blaster!

Hey everyone, I have some great items for sale a Minneapolis blower door with dg-700. I also have a…See More
17 hours ago
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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
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Kelly Caplenas posted a blog post

Technology and Customer Service

I read this line in a Forbes article … "Time and technology wait for no one, and customer loyalty…See More
18 hours ago
Diane Chojnowski posted a discussion

EERE Request for Information Concerning Efficient & Flexible Building Loads

The DOE Building Technologies Office has issued a Request for Information to solicit feedback from…See More
18 hours ago

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