Bob Blanchette
  • Male
  • 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 commented on Jeremy Begley's blog post The Home Envelope : Does it Really Matter in a Heat Loss Calculation
"Infiltration makes a HUGE difference. Look at the heat loads on a windy day vs. a calm one. On a calm sunny day it can be 45f and my furnace wont run with the thermostat set @ 68f. If it's 60f, overcast, and windy the furnace may actually run…"
9 hours ago
Bob Blanchette commented on Everblue's blog post Poor HVAC Installation Leads to Increased Energy Use
"That explains a LOT of why HVAC system continue to be sized by the same "rule of thumb" that they have been using since the 70's. 500sqft per ton might have been needed 4 decades ago, but now it's just an excuse to install under…"
9 hours ago
Bob Blanchette replied to Hal Skinner's discussion Any success getting landlords to energy upgrade a single family rental unit?
"The landlords don't want the improvements done even if they don't have to pay for it? "Rent houses" are a tough one. They normally are some of the worst energy hogs for the reasons you mentioned. Many still have furnaces with…"
yesterday
Bob Blanchette replied to peter chang's discussion Programmable tstat for electric baseboard?
"Since the sun heats the house to 78f during the day, cutting the power from the time you leave for work until the sun starts heating the space will save the money. You are "paying for" some of the 78f temp by running the heat until the…"
Saturday
Bob Blanchette replied to peter chang's discussion Programmable tstat for electric baseboard?
"Savings depends a LOT on how it's programmed. I've even done a setup with a contactor, 24v transformer and standard 24v thermostat. Give MANY more options."
Saturday
Bob Blanchette replied to Hal Skinner's discussion Any success getting landlords to energy upgrade a single family rental unit?
"Sell utility subsidized services to the tenants. It has to pay back within a year though."
Saturday
Bob Blanchette replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"Tankless Types"
Nov 13
Bob Blanchette replied to King Rosales's discussion Where did you buy your LED lights?
"I never have understood why buyers still try to imitate 100yr old technology (2700K). Why not try to imitate sunlight instead?"
Nov 13
Bob Blanchette replied to Barbara Smith's discussion Furnace with ECM: How to Model in the group HVAC
"+1 on the typical GROSS oversizing of furnaces. A "2 burner" (typically 50k or smaller) will heat over 3/4 of the houses in the South, and many in the North. Yet they are rarely installed as the only heat source in a single family home.…"
Nov 6
Bob Blanchette replied to Barbara Smith's discussion Furnace with ECM: How to Model in the group HVAC
"There's more to it than that. The blower efficiency gain comes using an ECM for low speed vs. a PSC on low. On high speed the power difference is negligible. ECM is chosen more for comfort than energy savings. ECM vs. PSC payback time simply…"
Nov 4
Bob Blanchette replied to George Kopf's discussion How does efficiency factor into a grid parity world?
"Conservation won't die with the solar movement, if anything consumers will be MORE aware of peak use.With Solar, consumers will simply be paying for available peak capacity instead of overall KWH consumption. Use all the power you want for…"
Oct 26
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."
Oct 23
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."
Oct 19
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

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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Bob Blanchette commented on Jeremy Begley's blog post The Home Envelope : Does it Really Matter in a Heat Loss Calculation
"Infiltration makes a HUGE difference. Look at the heat loads on a windy day vs. a calm one. On a…"
9 hours ago
Bob Blanchette commented on Everblue's blog post Poor HVAC Installation Leads to Increased Energy Use
"That explains a LOT of why HVAC system continue to be sized by the same "rule of thumb"…"
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