Bob Blanchette
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  • Oklahoma City, OK
  • United States
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Bob Blanchette's Discussions

Condenser placement effect on efficiency
3 Replies

Does locating an AC condenser out of the sun (east vs. west side of house) make significant difference in real world efficiency? Does anybody have a link to a case study?Continue

Started this discussion. Last reply by Bob Blanchette Jul 17.

Tankless Water Heaters... has their time finally come?
32 Replies

For decades tankless water heaters haven't been worth the effort to install due to our artificially low cost of natural gas in the USA and the high price of tankless heaters. Tankless water heaters…Continue

Started this discussion. Last reply by Dennis Heidner May 28.

Marey Tankless Water Heaters
1 Reply

What do you guys think of these…Continue

Started this discussion. Last reply by Bob Blanchette Mar 30.

Electrical Efficiency for Gas Furnaces.
2 Replies

I've noticed my new furnace uses about the same electrical power to operate as my old furnace, even though the new furnace (44k) is 1/2 the BTU of he old one (88k). Both furnaces use 1/3HP 5amp…Continue

Started this discussion. Last reply by Bob Blanchette Mar 20.

 

Bob Blanchette's Page

Latest Activity

Bob Blanchette replied to Dave Robinson's discussion Can We PLEASE Stop Calling Them “Ductless” in the group 1000 Home Challenge
"Concealed units in hallway ceilings aren't new. Apartments have been using them for decades."
yesterday
Bob Blanchette replied to w d's discussion Managing Solar Energy
"Look into passive solar heating. The south windows have enough overhang that the windows are shaded in summer, but allow the sun through in winter."
Sunday
Bob Blanchette replied to Linda Wigington's discussion Low-cost electricity monitoring: Accuracy & Applications in the group 1000 Home Challenge
"The problem with plug in energy testers is they miss most of a typical homes energy use. 240v appliances account for the majority of electricity power use, yet there is no easy solution to monitor them."
Oct 17
Bob Blanchette joined David Eggleton's group
Thumbnail

1000 Home Challenge

Linda Wigington distinguished between deep retrofits & deep energy reductions, thus expanding the range of strategies & tactics from which we might propose when engaging with people, the ones who choose.See More
Oct 17
Bob Blanchette replied to Bob Reuther's discussion ridge vent orientation
"Attic venting is about keeping the equipment and ductwork that lives up there cool in the summer. Of course it's best to get it all into conditioned space so that attic venting won't matter, but retrofitting is costly. If builders would be…"
Oct 11
Bob Blanchette replied to Bob Reuther's discussion ridge vent orientation
"Agreed, with a tightly sealed ceiling and R40 insulation very little heat goes through the ceiling. If equipment and ductwork is all in conditioned space, attic ventilation makes no difference at that point. What about all the losses from…"
Oct 11
Bob Blanchette replied to Bob Reuther's discussion ridge vent orientation
"A dust free attic means no outdoor air is getting into it. If ventilation is working there will be dust in the attic. I'm a fan of the wind turbines because they offer the lowest restriction to airflow. The only reason they aren't used…"
Oct 11
Bob Blanchette replied to Bob Reuther's discussion ridge vent orientation
"Unfortunately the R4/R6 ductwork and furnace/air handler is often installed in the attic. Stupid place for it I know, but that's a whole different rant."
Oct 11
Bob Blanchette replied to Aaren Stewart's discussion When replacing outdoor unit, is it necessary to also replace the indoor unit?????
"Refrigerant is all gone once system is opened up. There is ongoing debate about oil compatibility."
Oct 11
Bob Blanchette replied to Aaren Stewart's discussion When replacing outdoor unit, is it necessary to also replace the indoor unit?????
"Be sure to check/clean the indoor coil before reusing. Many coils have been in the system for years and are clogged up with dirt. Other than that it's just tubes and fins. If you do the smaller condenser while keeping large coil, check airflow.…"
Oct 11
Bob Blanchette replied to Bob Reuther's discussion ridge vent orientation
"Turbine vents WORK, people just don't like the looks of them. Ridge vents are pretty, that's why they are installed. The typical oversized 500sqft per ton AC makes up the difference.ridge vents vs. box vents vs. turbine vents"
Oct 11
Bob Blanchette replied to Bob Reuther's discussion ridge vent orientation
"IF there is in fact airflow, how does the mesh not clog with dirt? Cobra® Exhaust Vent for Roof Ridge"
Oct 11
Bob Blanchette replied to Bob Reuther's discussion ridge vent orientation
"Turbines don't pull near the static pressure that electric fans do. Either is only a concern when there isn't proper intake ventilation."
Oct 9
Bob Blanchette replied to Bob Reuther's discussion ridge vent orientation
"Passive ventilation can work. It's the ridge vents that don’t 90% of the time. Very restrictive considering the very low pressures involved. A more "open" solution works better."
Oct 9
Bob Blanchette replied to Bob Reuther's discussion ridge vent orientation
"Show me a single study/video where ridge vents work properly that ISN'T and ad from a manufacturer. I've look high and low, never have been able to find one. most designs are simply too restrictive to be effective. If there is any type of…"
Oct 9
Bob Blanchette replied to Bob Reuther's discussion ridge vent orientation
"Ridge vents generally don't work well. Do some performance testing with a 'smoke bucket'. Ridge Vent Smoke Test"
Oct 7

Profile Information

Company
Corix Utilities
Professional Interests
Smartgrid systems, HVAC.
Website URL
http://www.ogepet.com/programs/smarthours.aspx
Facebook Page
http://www.facebook.com/bob.blanchette.94

Bob Blanchette's Blog

Replaced my A/C this weekend, results of downsizing by 1/3.

Recently my 13 yr old Carrier A/C devolved a leak and I chose to replace the system rather than track down the leak and repair the coil. I had been reading about doing manual J calculations and how contractors are scared to death to undersize. I had been talking to co-workers about this and it's an uphill battle getting them to think different than 1 ton per 500sq ft. So I decided to take confidence in correct sizing and "put my money where my mouth is" and install a 2 ton sized…

Continue

Posted on September 2, 2012 at 4:39pm — 2 Comments

Just Signed up for OG&E Smarthours Program, A new way to manage energy use

How SmartHours Plus works: It costs more for electricity during peak periods of high customer demand.

Other factors, like weather conditions and the time of year, also drive electrical prices higher. SmartHours Plus,

sometimes known as Variable Peak Pricing (VPP), allows you to save when costs are lower, or off peak. Peak hours

are 2 to 7 p.m. weekdays, and prices during those hours vary based on demand (see chart). You’ll get advance

notice of tomorrow’s peak price the…

Continue

Posted on January 17, 2012 at 1:30pm

Comment Wall (2 comments)

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At 1:46pm on January 17, 2012, Diane Chojnowski said…

Hi Bob,

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

At 7:55am on January 14, 2012, Diane Chojnowski said…

Hi Bob,

 

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. We'd be happy to see Sweden represented!


Thanks!
Diane, HEP Moderator

 
 
 

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