David martinez
  • Male
  • Chicago, IL
  • United States
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David martinez's Discussions

what is more efficient a boiler or hw ?

Started this discussion. Last reply by Sean Lintow Sr Feb 3, 2014. 1 Reply

recently a customer asked me what will be more efficient equipment for a hotel. right now its working with 3 hw, two 2000btu input and one 500000 btu input and he wants to replace with a boiler…Continue

 

David martinez's Page

Profile Information

Company
Martinez Remodeling Specialist
Professional Certification
building Analist
Professional Interests
Building science, Net Zero Homes, Energy Retrofits, Sustainable Design, PV Sistem,Home Energy Scoring.

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At 4:14pm on January 23, 2014, Diane Chojnowski said…

Hi David,

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!


Thanks!
Diane, HEP Moderator

 
 
 

Forum Discussions

How would you insulate this roof?

Started by David Butler in General Forum. Last reply by Stuart Langley 59 minutes ago. 17 Replies

Psychrometric Chart Training

Started by John Krochmalny in Training. Last reply by Mahendra Shah yesterday. 1 Reply

Dirty solar panels

Started by Evan Mills in General Forum. Last reply by Stacie Bagnasco Oct 16. 1 Reply

Latest Activity

Stuart Langley replied to David Butler's discussion How would you insulate this roof?
"I am with Brad Cook here on all points. But will concentrate on the rubber grommeted screws on the…"
59 minutes ago
Stuart Langley liked David Butler's discussion How would you insulate this roof?
1 hour ago
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"I agree that it would be difficult to insulate from the exterior. It does look like at least a…"
2 hours ago
tedkidd replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
"Yeah. Gas water…"
yesterday
Eric Kjelshus replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
"With super cheap natural gas prices now, still worth going all electric?  Tankless needs a lot…"
yesterday
Stuart Langley liked Chris Clay's photo
yesterday
David Butler replied to David Butler's discussion How would you insulate this roof?
"Stuart, I wasn't considering the copula windows... yes, those would indeed need to be…"
yesterday
Stuart Langley replied to David Butler's discussion How would you insulate this roof?
"Well, @David Butler, you have seen the property more accurately than I have, but my impression of…"
yesterday

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