Dennis McCarthy
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  • Schaumburg, IL
  • United States
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Dennis McCarthy's Discussions

The answer to the question - Where's the LED zealot now that we could use his input?

Started this discussion. Last reply by Dennis Heidner Aug 8, 2013. 5 Replies

The answer is  I don't concern myself with inorganic LEDs anymore-I pretty much just focus on OLEDs nowadays- really after watchingthe development of a range of LED lamps - I'm transitioning tothe…Continue

I never had anything good to say about crappy LED Retrofits....

Started this discussion. Last reply by Dennis Heidner Mar 24, 2013. 1 Reply

Here is why-- I can speak about 3 instances where manufacturers of LED retrofitshave had  faulty stuff recalled - the latest Lighting Science groups  offerings- the Ecosmart LEDcheapies sold at Home…Continue

LEDs Magazine's comparision of some A-19 LED choices

Started this discussion. Last reply by Eric Wu Feb 5, 2014. 19 Replies

There are occasions to point out a good cache of knowledge - or information - this relates to the task of buying LED lights for your home or office -This is the right time for a multiple product…Continue

Would you like a lighting audit with your energy audit ?

Started this discussion. Last reply by Curt Kinder Feb 2, 2013. 8 Replies

Do energy audits that neglect doing the "subset" of a lighting audit underserve the client ?  If your auto mechanic excluded evaluations of 20% -30% of your car would you be happywith the scope of…Continue

 

Dennis McCarthy's Page

Latest Activity

Don Fitchett replied to Dennis McCarthy's discussion The growing need for lighting auditors
"A highly educational discussion going on here. Thanks all."
Jan 10, 2015
reflintorm replied to Dennis McCarthy's discussion The growing need for lighting auditors
"Lighting and illuminate manufacturing is an area that will never lose demand and with the advancement of technology, a number of different illuminants in attractive designs and fashions are now available. In that, Led's are most selectable…"
Jan 9, 2015
reflintorm replied to Dennis McCarthy's discussion LED use in the summer
Dec 8, 2014
reflintorm replied to Dennis McCarthy's discussion Solid state lighting - saves lives- and it improves life .
"In my observation, In most of the lightning appliances led bulbs are used because of their advantageous features. Mostly, Everyone is searching for quality and affordable lights, so led lights will cover these aspects and becomes too selectable…"
Nov 26, 2014
Dennis Heidner replied to Dennis McCarthy's discussion Solid state lighting - saves lives- and it improves life .
"Dennis McCarthy,  not sure if you've seen this... "Cree Sheds Light on Development of a 200-Lumen-per-Watt Luminaire Prototype The lighting manufacturer surpasses a Department of Energy benchmark set for 2020. By Hallie…"
Feb 16, 2014
Dennis Heidner replied to Dennis McCarthy's discussion Solid state lighting - saves lives- and it improves life .
"It is okay as long as you remember  both green and red are the colors that can not be seen by those with color blindness.  And that visual defect occurs more commonly in men.   Do you know if they are adding the color for the front…"
Feb 13, 2014
Eric Wu replied to Dennis McCarthy's discussion Solid state lighting - saves lives- and it improves life .
"LED lights are the future for automotive also there are tons of aftermarket LED accessories available for cars like interior LED bulbs for car map lights, dome lights and more, LED tail lights, fog lights, even LED headlamps."
Feb 12, 2014
Dennis Heidner replied to Dennis McCarthy's discussion The growing need for lighting auditors
"Probably closer to $70... I've been buying at about $35/tube in singles... The life of LED tubes are about twice as long.   Half the lumens... Instant start,  no hum, no flicker. Tubes are still on the watch list.  Prices have…"
Feb 10, 2014
Bob Blanchette replied to Dennis McCarthy's discussion The growing need for lighting auditors
"I'm personally done buying CFL's. The Price of LED has finally fallen enough that the features/benefits are worth the cost. I'm OK with never realizing a return on my investment when compared to CFL. For high lumen applications…"
Feb 9, 2014
Dennis Heidner replied to Dennis McCarthy's discussion The growing need for lighting auditors
"Sorry,  I couldn't resist ... (PIX below) the bulbs below were collected in my house over a several year period.  As the bulbs failed,  or took long enough to warm up that it no longer -- was safe.  You could walk in and out…"
Feb 9, 2014
Bob Blanchette replied to Dennis McCarthy's discussion The growing need for lighting auditors
"Fixtures are an entirely different comparison. Love the LED fixtures, they can be optimized to the LED's native directional output. LED fixtures ARE the way of the future, I've even started seeing them in ceiling fans... The fixtures…"
Feb 9, 2014
Ben Stallings replied to Dennis McCarthy's discussion The growing need for lighting auditors
"Bob, I assume you're talking about LED replacements for incandescent bulbs, which makes sense to compare apples to apples, but I've seen some very dramatic energy reductions for fixtures that are designed for LEDs.  A reading lamp…"
Feb 9, 2014
Bob Blanchette replied to Dennis McCarthy's discussion The growing need for lighting auditors
"LED 1/2 the energy use of CFL? I haven't seen that much difference in the LED's available in local stores. TheLEDs in stores are only using 1-2W less than CFL. No sale based on energy savings, I have NEVER seen an LED manufacturer compare…"
Feb 9, 2014
Dennis Heidner replied to Dennis McCarthy's discussion The growing need for lighting auditors
"There may be less of a job opportunity in light auditing than suggested.  Interior designers are also competing in the field, as well as architectural lighting professionals - licensed architects.  Many architectural firms have been doing…"
Feb 9, 2014
Brad Cook replied to Dennis McCarthy's discussion The growing need for lighting auditors
"Dennis, you make some very good suggestions. My philosophy is that we should be looking at everything related to energy when we do an audit and that includes lighting. Getting training followed by certification may be daunting, but auditors should…"
Feb 7, 2014
Eric Wu replied to Dennis McCarthy's discussion The growing need for lighting auditors..
"I think the price will soon drop to the level that all regular bulbs are getting replaced by LED. Think about when the fist filament light bulb came out, it is about 400 times more expensive than oil lamp"
Feb 5, 2014

Profile Information

Company
Northern Energy Solutions
Professional Certification
Energy Auditor
Professional Interests
I am a Solid State Lighting specialist, and
energy auditor.

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At 9:01pm on February 19, 2011, David Eggleton said…
Hi Dennis.  With your interest in electricity use reduction contests, you might appreciate (or more) The 1000 Home Challenge, which is about reducing all building energy use by a household.  Join the group on this site!
 
 
 

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