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  1. Thread: Gas or Oil

    by afree
    Replies
    36
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    2,734

    casturbo, in response to your comment "In...

    casturbo, in response to your comment "In reality, what the US household contributes to greenhouse gases is meaningless." that is actually not true. residential consumptions accounts for about 1/3rd...
  2. Thread: Gas or Oil

    by afree
    Replies
    36
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    2,734

    Frankly, I cannot beleive there is a debate on...

    Frankly, I cannot beleive there is a debate on which is cleaner burning per BTU delivered - gas is cleaner burning, I'll say it one more time, it produces about 30% less greenhouse gases and a lot...
  3. Thread: Gas or Oil

    by afree
    Replies
    36
    Views
    2,734

    here are some facts from the EAI: Fossil Fuel...

    here are some facts from the EAI:

    Fossil Fuel Emission Levels
    - Pounds per Billion Btu

    Pollutant Natural Gas Oil Coal
    Carbon Dioxide 117,000 164,000 208,000 ...
  4. Thread: Gas or Oil

    by afree
    Replies
    36
    Views
    2,734

    Sorry, you are wrong, Natural Gas is cleaner, per...

    Sorry, you are wrong, Natural Gas is cleaner, per BTU produced than oil, gasoline, coal or wood. Natural gas produces about 30 percent less carbon dioxide than oil and about half that of coal or...
  5. Replies
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    2,692

    I don't buy it, firstly, I "go easy" on everyone...

    I don't buy it, firstly, I "go easy" on everyone - I'm not the kind of guy to jump on someone - assuming they are basically respectful. But that is not the point.

    These guys could be earning a lot...
  6. Thread: Gas or Oil

    by afree
    Replies
    36
    Views
    2,734

    nwgasman is right!

    nwgasman is right!
  7. I'm frustrated with the HVAC guys I'm talking to...

    I'm frustrated with the HVAC guys I'm talking to and I am looking for a quality HVAC contractor in the Montreal area to install an HP for me. Any contractors in the Montreal area out there? Any...
  8. Replies
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    2,692

    Good idea, will do now.

    Good idea, will do now.
  9. Replies
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    2,692

    I'm in Montreal, Quebec, Canada - I think most of...

    I'm in Montreal, Quebec, Canada - I think most of the guys on this site are US based, but if you know a good HVAC contractor (does not have to be Lennox) in the Montreal area - they need to contact...
  10. Replies
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    2,692

    You know what, at this point I would be happy to...

    You know what, at this point I would be happy to pay a thousand more on this job if I had 100% confidence in the contractor and they were intelligent, helpful and I knew they would stand 100% behind...
  11. Thread: Gas or Oil

    by afree
    Replies
    36
    Views
    2,734

    Modern oil burning furnaces are MUCH cleaner than...

    Modern oil burning furnaces are MUCH cleaner than 20 or 30 years ago. However, natural gas is cleaner still. The general statics I have seen on natural gas vs oil furnances (modern furnaces) are:
    ...
  12. Thread: Gas or Oil

    by afree
    Replies
    36
    Views
    2,734

    I looked into this one a great deal a while back...

    I looked into this one a great deal a while back when making the same decision and what I found was:

    1) In North America, Oil and gas prices are determined my large global market forces - and the...
  13. Replies
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    2,692

    Christheheatingdude: There is plenty of...

    Christheheatingdude: There is plenty of competition in my area - the phone book has pages of HVAC companies - I live in a major city. The problem is not the lack of compeition - maybe they are all...
  14. Replies
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    2,692

    Toolpusher, hmm, can't say the training worked...

    Toolpusher, hmm, can't say the training worked very well for the companies I called - maybe I just called all the wrong guys - but somehow, i doubt it. Particularly since a large number of the...
  15. Replies
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    2,692

    I typed it because it has been bugging me and the...

    I typed it because it has been bugging me and the HVAC tech community on this site has been so helpful, so I thought I would just share my experience.

    I still have not made a decision, but I am...
  16. JC, you may find my rant about "My experience...

    JC, you may find my rant about "My experience with the HVAC sales guy" helpful - I just posted it. Sounds like I'm not alone...
  17. Replies
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    2,692

    My experience with the HVAC sales guy... I...

    My experience with the HVAC sales guy...

    I have been trying to select a contractor to install an HP unit. I figured I would go with a Lennox since I have been very happy with my Lennox furnace. So...
  18. Replies
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    3,440

    Oh, one more question about the visionpro 8321 -...

    Oh, one more question about the visionpro 8321 - it can be used to control dehumid - can it be used to call for humidity with a furnace humidifier?
  19. Replies
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    Thanks for the help guys, I will go with the...

    Thanks for the help guys, I will go with the visionpro 8321.
  20. Replies
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    From what I have read, HPs have an efficiency of...

    From what I have read, HPs have an efficiency of 300% (ie, they generate 3x the heat times the power you put in) at 12C and drop down to 100% at around -12C (ie, they simply generate the same amount...
  21. Replies
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    Well, I originally set out to buy an AC, after...

    Well, I originally set out to buy an AC, after further research it looks like I can save something like $700 to $800/yr on heating costs (I live in Montreal, we pay a lot for heating, my Nat gas...
  22. Replies
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    Yes, the Sig Stat does have dehumidify control -...

    Yes, the Sig Stat does have dehumidify control - something that Honeywell really forgot on the VP8000. However, the "user interface" is such a piece of crap IMO on the Sig Stats that it is worth...
  23. Replies
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    The filters I use are paper (with folds) - I...

    The filters I use are paper (with folds) - I guess the standard filter from Home Depot. But as I said, I change them frequently (every 2 months). Sounds like this is adequate so I won't buy the 5"...
  24. Replies
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    I think pretty much all the models available in...

    I think pretty much all the models available in the US are available here. The Lennox models are about 72-73dB - which seems pretty reasonable to me - same as the Carrier Infinity series (72dB), same...
  25. Replies
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    Again, sorry for the multiple posts, just thought...

    Again, sorry for the multiple posts, just thought it best to break up my questions. I have a Lennox G61V furnace and I am looking at adding a HPX12 or 15 HP. I need a new thermostat/control for this....
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    Sorry for the multiple posts everyone, just...

    Sorry for the multiple posts everyone, just thought I would break up my questions. I am looking at installing a new HP - I have a Lennox G61V furnace and I am looking at installing an HPX12 or maybe...
  27. Replies
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    Help! I'm trying to make the difficult choice...

    Help! I'm trying to make the difficult choice between HP's with advice from "sales guys". These thing's ain't cheap so I figure it is worth careful thought. No offence to the sales guys out there -...
  28. Replies
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    Oh, btw, I was right and wrong on the cost...

    Oh, btw, I was right and wrong on the cost difference between the AC and HP. The cost difference was about $1000 for the units themselves, + cost of new thermostat for the HP (my current thermostat...
  29. Replies
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    Here is my re-think on this one. The average...

    Here is my re-think on this one. The average efficiency factor of heat pump goes from 1 at approx -13C deg to 3 at
    +13 deg C. No mather how you look at it, on average you can never save more on...
  30. Replies
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    DD, The contractor claimed that the increased...

    DD,

    The contractor claimed that the increased cost of running the heat pump in the winter would be $200 (after savings from paying a lower elec rate) and the Nat Gas savings would be $1000 per...
  31. Replies
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    I would definitely keep the gas furnace and not...

    I would definitely keep the gas furnace and not use electric coils for heating - for one, it is a new gas furnace (Lennox G61V) and I received a _very large_ rebate for the Gas company when I...
  32. Replies
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    I am looking to install central AC in my house....

    I am looking to install central AC in my house. Two of the contractors I had come in to give me a quote said I really should go for a heat pump. The cost for the heat pump would be about $1500 more...
  33. Replies
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    Ok, so, now I come back to my question - "If you...

    Ok, so, now I come back to my question - "If you were hiring someone to install an AC unit in your home, what things would you watch for". Or, to put it another way, what are the most common things...
  34. Replies
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    Firstly, I think EVERY home owner should watch...

    Firstly, I think EVERY home owner should watch carefully when anyone is doing work in their home. I'm not talking about dogging the guy and bothering them while they work. But it is totally...
  35. Replies
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    Is the 042 a 4 ton unit? I have called two...

    Is the 042 a 4 ton unit?

    I have called two Premier Dealers to quote - still - I liked to here what others think I should watch for when they do the install. I don't care what credentials the...
  36. Replies
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    I have a Lennox G61V furnace, installed last...

    I have a Lennox G61V furnace, installed last year, and I wanted to install central AC on the system - I was thinking of going for the Lennox HSX15 and I am getting quotes now. One of the reasons I...
  37. Replies
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    These images are from a computational fluid...

    These images are from a computational fluid dynamics analysis of the 3d air flow, air temperatures, pressure and humidity within the building enclosure. They are not thermal imaging or visualization...
  38. Replies
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    These are some images of a 3d air flow analysis...

    These are some images of a 3d air flow analysis we did of a bank building HVAC system (only the occupied space is modelled). This really helped the system designers predict system performance and...
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