Rich Johnson
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  • San Luis Obispo, CA
  • United States
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Rich Johnson's Discussions

Elec Coil heat vs Heat Pump

Started this discussion. Last reply by George J. Nesbitt Aug 22, 2013. 14 Replies

I have a customer in California who is putting in solar, and currently has a late model propane furnace.  They do not want air conditioning, nor the expense of switching to a heat pump system.Does…Continue

Which Hydronic Air Handler

Started this discussion. Last reply by Jack Lance Feb 27, 2013. 8 Replies

We are about to add hydronic air handlers to our options due to low BTU needs in California.  First Company is the only one that I have any real info on.  What companies do you like for Hydronic Air…Continue

 

Rich Johnson's Page

Latest Activity

George J. Nesbitt replied to Rich Johnson's discussion Elec Coil heat vs Heat Pump
"Adding electric resistance coils in the ducts would likely have caused the problem discussed in the post; How Do We Make Energy Efficiency Sexy, or at Least Interesting? With your customer ending up with a higher electric bill. Adding Solar often…"
Aug 22, 2013
Joseph Lamy replied to Rich Johnson's discussion Elec Coil heat vs Heat Pump
"About the biggest joy I get from my mini-split is the gawks. First, they gawk, listening FOR the dang sound! They can FEEL the coolth or warmth spreading across the room, but they gawk and balk and twist their head to bend the ears and shrug. Age.…"
Aug 11, 2013
Joseph Lamy replied to Rich Johnson's discussion Elec Coil heat vs Heat Pump
"The add-on electric heat coil has morphed into a ductless heat pump that eliminates dust loss, pressure related convective losses associated with unitary heat pumps that were noisy blends of old technologies and centralized mistakes of last century.…"
Aug 11, 2013
Bob Blanchette replied to Rich Johnson's discussion Elec Coil heat vs Heat Pump
"Strip heaters in ductboard? That's just hack work IMHO."
Aug 11, 2013
Eric Kjelshus replied to Rich Johnson's discussion Elec Coil heat vs Heat Pump
"I have seen lots of heating elements melt though duct board when breaking apart.  I like to put long time sequencers when putting in back up strip heat so it takes a very long time to turn on.   You are very right about over sizing strip…"
Aug 10, 2013
Bob Blanchette replied to Rich Johnson's discussion Elec Coil heat vs Heat Pump
"Sequencers and limit switches are the high failure items, they are marginal capacity for the high amp load. Elements rarely fail. Contactors last much longer but tend to be noisy when switching. Crappy ductwork and high static pressures will cause…"
Aug 10, 2013
Eric Kjelshus replied to Rich Johnson's discussion Elec Coil heat vs Heat Pump
"this is why most electric  strip heat do not work after 5 years.   The worst is very high Static pressure system or lack of return systems,  I just can not keep all parts working with on off and high amps.   On a 4 ton drive…"
Aug 10, 2013
Bob Blanchette replied to Rich Johnson's discussion Elec Coil heat vs Heat Pump
"Few electric heaters of any type have flow switches for lack of airflow. Most use thermal limit switches mounted near the elements."
Aug 10, 2013
James White replied to Rich Johnson's discussion Elec Coil heat vs Heat Pump
"I applaud your customer for willing to go without air conditioning in California.  It is great that they are adding solar, but hopefully they are willing to buy some conservation carrots to go along with their solar candy. It is difficult…"
Aug 9, 2013
Ed Minch replied to Rich Johnson's discussion Elec Coil heat vs Heat Pump
"In our mid-Atlantic region, $3.90/gallon propane in an 80+ heater is the same cost to heat as 15¢ kWh electricity.  Higher in a more efficient heater. True that the electric strip is cheap to install, but until propane gets a bit more…"
Aug 9, 2013
Dennis Heidner replied to Rich Johnson's discussion Elec Coil heat vs Heat Pump
"What kind of sun exposure do they have?   Perhaps splitting between solarPV and solarH2O, but use H20 for coil in the furnace.    Gary Reysa -- Bozeman MT is heating house mostly using solar h20.   It just takes a larger storage…"
Aug 7, 2013
Rich Johnson's discussion was featured

Elec Coil heat vs Heat Pump

I have a customer in California who is putting in solar, and currently has a late model propane furnace.  They do not want air conditioning, nor the expense of switching to a heat pump system.Does anyone have any thoughts or experience adding a secondary heat coil to the propane furnace?  The heat load for the house is 32K BTUs.  20 watts equals 68K BTUs.Who might manufacture an add-on electric heat coil?  The plan is that the electric heat will handle normal loads, but the propane will be…See More
Aug 6, 2013
Bob Blanchette replied to Rich Johnson's discussion Elec Coil heat vs Heat Pump
"How expensive is propane vs. strip heat in his area? Neither are economical choices in our area... The cost of adding an electric duct heater may have a very long payback time."
Aug 2, 2013
Eric Kjelshus replied to Rich Johnson's discussion Elec Coil heat vs Heat Pump
"you can put strip heat in all air handlers.  just put on top of furnace and wire in.  Its just an add on that can take $2 a hr to use  so 2000 hr.  a heat pump can cost just $.3 hr with same BTU yr in building but runs longer.…"
Aug 1, 2013
Bud Poll replied to Rich Johnson's discussion Elec Coil heat vs Heat Pump
"Hi Rich, I think you meant to say 20 KW = 68K BTUs, although it is nice to dream :). I'm no help on the conversion. Bud"
Jul 31, 2013
Rich Johnson posted a discussion

Elec Coil heat vs Heat Pump

I have a customer in California who is putting in solar, and currently has a late model propane furnace.  They do not want air conditioning, nor the expense of switching to a heat pump system.Does anyone have any thoughts or experience adding a secondary heat coil to the propane furnace?  The heat load for the house is 32K BTUs.  20 watts equals 68K BTUs.Who might manufacture an add-on electric heat coil?  The plan is that the electric heat will handle normal loads, but the propane will be…See More
Jul 31, 2013

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Comment Wall (2 comments)

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At 11:20am on June 13, 2012, Troy Spindler said…

Rich is my 'go-to' HVAC contractor & I highly recommend him since he knows about and practices good 'Home Performance' work.

At 5:44am on June 12, 2012, Diane Chojnowski said…

Hi Rich,

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.


Thanks!
Diane, HEP Moderator

 
 
 

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