Discussion Thread for the Continuous GW Search known as O2MD1 (now O2MDF - GPUs only)

Mr P Hucker
Mr P Hucker
Joined: 12 Aug 06
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robl wrote: I am with you

robl wrote:

I am with you mikey.  I once had a heat pump in Florida.  On reverse cycle in winter it could not heat the house without engaging the heat strips.  Then one night at around 28 degrees something went wrong.  i went outside and the outside unit was a solid block of ice.  This unit was only 10 month old.  Since moving into my current house I have never looked back.  

You can get them that only have an indoor unit.  Only air goes through to the outdoors, less likely to freeze I would think.

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Mr P Hucker
Mr P Hucker
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Posts: 838
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RAC: 15263

Betreger wrote: Knock on

Betreger wrote:

Knock on wood, I put a mini-slit heat pump in last Oct. and it worked fine thru the winter down to 25f. My power usage for heat is ~1/3 of the restance heat I previously had to use. It is made in China and I got a very generous rebate from my power company. After the rebate it cost me $200. plus $1500 installation. Only 1 more year and it will be more than paid for. I like the lower power bills, the green aspects of it and the greater comfort it gives me. Generally in business capital investments that break even at 5 yrs are concidered to be profitable. 

Metinks 3rd generation heat pumps are a different animal than earlier designs.

Wow, $1500 to install a $200 device?!  Nope, I'm installing my own, it's not rocket science.  Just a few hoses.

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Betreger
Betreger
Joined: 25 Feb 05
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The $1500 consisted of ~$500

The $1500 consisted of ~$500 in parts, $500 for a HVAC guy to evacuate and test the lines, and $500 for a contractor to drill threw a concrete wall and mount both units and hook up the electrical.

I say go for if you get results similar to mine you would be very pleased. 

Mr P Hucker
Mr P Hucker
Joined: 12 Aug 06
Posts: 838
Credit: 519370511
RAC: 15263

Betreger wrote: The $1500

Betreger wrote:

The $1500 consisted of ~$500 in parts, $500 for a HVAC guy to evacuate and test the lines, and $500 for a contractor to drill threw a concrete wall and mount both units and hook up the electrical.

I say go for if you get results similar to mine you would be very pleased. 

Way too expensive.  You can get pre-gassed units so you don't need equipment to fill it.  Drilling through a wall can be done in half an hour by yourself.  $500 to make a hole, Jesus Christ.

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Betreger
Betreger
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I don't have the tools to cut

I don't have the tools to cut a hole in concrete, It was charged but there still were lines that needed evacuation including a micron meter to properly test it with and lastly if I were 20 years younger many things around here would be done differently. I find that in my mid 70's I hire out things I used to do. My ladder climbing days are over. I would like to see 80. 

Mr P Hucker
Mr P Hucker
Joined: 12 Aug 06
Posts: 838
Credit: 519370511
RAC: 15263

Betreger wrote: I don't have

Betreger wrote:

I don't have the tools to cut a hole in concrete, It was charged but there still were lines that needed evacuation including a micron meter to properly test it with and lastly if I were 20 years younger many things around here would be done differently. I find that in my mid 70's I hire out things I used to do. My ladder climbing days are over. I would like to see 80. 

I bought a drill for £40 and a masonry drill bit for £8.  Evacuation should not be necessary if you buy a pre-gassed system and have under 6 metres of piping - presumably it's ok with the air in there.  You can even buy portable ones that are self contained in one unit indoors, you only need to vent air, same as with a dryer.  In your 70s you should be asking friendly neighbours and relatives to do favours for you :-)  As for ladders, I'm installing mine at ground level!

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Betreger
Betreger
Joined: 25 Feb 05
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I hope you will be as happy

I hope you will be as happy as I am. 

Mr P Hucker
Mr P Hucker
Joined: 12 Aug 06
Posts: 838
Credit: 519370511
RAC: 15263

Betreger wrote: I hope you

Betreger wrote:

I hope you will be as happy as I am. 

Well they'd better work, since the UK has banned gas boilers (furnaces) in new homes from 2025.  I'll choose a really good one.  Since I either need to spend a lot fixing up my old gas system, or buy something new, I thought I'd be best getting the latest technology.  I'm told the invertor ones are good - is yours an invertor model?

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Betreger
Betreger
Joined: 25 Feb 05
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RAC: 765225

Yes, AFAIK all 3rd generation

Yes, AFAIK all 3rd generation heat pumps are.

Anonymous

Betreger wrote: I don't have

Betreger wrote:

I don't have the tools to cut a hole in concrete, It was charged but there still were lines that needed evacuation including a micron meter to properly test it with and lastly if I were 20 years younger many things around here would be done differently. I find that in my mid 70's I hire out things I used to do. My ladder climbing days are over. I would like to see 80. 

Total agreement here.  i too am in my mid  70s.  While the mind is willing the body is not.  Alot of stuff I used to fix is now hired out.  I hate it because you have to admit that your aging.  Oh well it is what the future holds for all of us.  Just be accepting and  move on.  

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