Heat Pump and power consumption

[Sigarms]

I installed a Johnson Control Optimum Start/Stop system in the Hospital about 20 years ago...

It controls 24 devices... a large 100% outside air built up unit and numerous package units, etc...

The optimum start/stop "Learns" when the unit has to start depending on desired in door temp relative to outside temp.

When it is 100 outside the unit may never shut off because it has learned to maintain the indoor temp it can't.

On Fridays I might have it programmed to shut down or go to after hour temp at 5 pm... but the unit will stop cooling or heating as much as 30 to 40 minutes prior if it has "Learned" the desired temp will be still met at 5 pm... so it coasts into closing time.

It really does work very well and changing Holiday Schedules are a breeze...

Where it really shines is in diagnostics... it will show real time supply and exhaust air... which allows me to zero in of a problem...

I'm very familiar with JCI. Most of the technology you've mentioned per your JCI system, Lennox, Trane and Carrier have incorporated into thier residential higher end systems today.

Just remember, when talking about actual ROI, even today with 14 SEER being the minimum, anything over 16 SEER with multi stage or inverter compressors, you're paying for the "comfort".

I consider myself pretty familiar with t-stats, and although I had the newest and greatest put on my walls about 7 years ago, give me an arrow with up and down per temp control, and I just leave it set. I do enough with my phone that I don't want to have to control my thermostat LOL

 

[ultrarunner]

I'm very familiar with JCI. Most of the technology you've mentioned per your JCI system, Lennox, Trane and Carrier have incorporated into thier residential higher end systems today.

Just remember, when talking about actual ROI, even today with 14 SEER being the minimum, anything over 16 SEER with multi stage or inverter compressors, you're paying for the "comfort".

I consider myself pretty familiar with t-stats, and although I had the newest and greatest put on my walls about 7 years ago, give me an arrow with up and down per temp control, and I just leave it set. I do enough with my phone that I don't want to have to control my thermostat LOL

On my own home I have a mercury stat that is circa 1960.... it has been flawless.

Some of the homes around here have millivolt heaters... even central furnaces... the new stats with contact points don't hold a candle to the mercury stats...

The county low income energy assistance program changed out all the stats and some light fixtures... the stats stop working if the battery is low... so it generates a service call... the light fixtures require $9 bulbs and no tenant has yet to buy one...

 

[goeduck]

The county low income energy assistance program changed out all the stats and some light fixtures... the stats stop working if the battery is low... so it generates a service call... the light fixtures require $9 bulbs and no tenant has yet to buy one...

Isn’t our government great? Light fixtures have non-standard bulbs?

 

[4570Man]

The local Lowe’s doesn’t have 100 watt light bulbs unless you want to buy one of the $9 3 way lamp bulbs with the high setting being 100 watt. I deal with the problem by just using a $2 150 watt bulb.

 

[ultrarunner]

Isn’t our government great? Light fixtures have non-standard bulbs?

98% of residential bulbs were the same... with a few small candelabra added...

With the mandate for energy efficiency this has all changed... as has pricing.

I could buy a box of 8 60W or 75W bulbs for $1.99 and used them for the rentals...

Now there are so many variations and even then there are 2 pin, and 4 pin and circle, u-tube, etc...

Tenants simply refuse to buy any of the Energy Efficient Bulbs...

One of my manager friends had a new building with LED and the entire building was stripped of bulbs... who would have thought stealing light bulbs worthwhile?

 

[Sigarms]

FYI when it comes to the HVAC industry and government guidelines, we can mostly blame California.

Another news flash, there are govenment programs out there across the nation that allow for free HVAC systems for people that can't afford it. It's actually pretty big business here in NC. Don't get me going on that one.

 

[KTurner]

FYI when it comes to the HVAC industry and government guidelines, we can mostly blame California.

Another news flash, there are govenment programs out there across the nation that allow for free HVAC systems for people that can't afford it. It's actually pretty big business here in NC. Don't get me going on that one.

That reminds me of this.. My uncle was going into town near Elizabeth City, NC for a family reunion (in August?) 5-10 years ago. He stopped at my grand-aunts house a couple hours before the reunion. She was in her 80s at the time. Once it was time to head to the reunion, she started opening a few windows. My uncle said, shouldn't we turn the air conditioner on? She replied, what do you think I'm doing...

 

[goeduck]

Another news flash, there are govenment programs out there across the nation that allow for free HVAC systems for people that can't afford it. It's actually pretty big business here in NC. Don't get me going on that one.

I get so tired of these handout programs. A hand up program is what this country should be about, a hand out program is socialism.

 

[dragoneggs]

I assume the orange bars mean its running?

Anyway to see how long it ran for....other than guessing by how long the bar is?

How far back can you view historical data? just the 5 days shown?

Is it a single stage or two stage system? And if 2, does it indicate something different when second stage comes on?

LD, what does the Ecobee data output look like?

Nest.com shows me just last 10days history. No way to tell run time except daily total. The previous screen capture I posted was expanded data for each day by clicking on the bar. Here is the overview graph.

 

[LD1]

Here is the online chart. Can go back a long time. Or zoom in for finer detail


Here is a monthly runtime total


Or I can download all data to a spreadsheet for any given range


And here is what that looks like. Had to shrink it down to show it all. It is blocked in 5 min increments. Where it says heat stage...(there is 1st and second but got cut off)......that is the runtime in that 5 min block (in seconds).
So I can take that information for a whole day......just highlight all the cells and give a sum......and I know exactly how long down to the second....that my unit has ran for a day. And knowing its amp draw.....I can compute heating cost. And I can also average out the daily wind speed and temp. So what I have done over a few months after I got the stat......was make a spreadsheet of various outdoor temps and wind conditions and correlate that to a cost to heat my house.