Search:

Type: Posts; User: Makeitcold

Page 1 of 20 1 2 3 4

Search: Search took 0.05 seconds.

  1. Call an hvac contractor, an electrician wont know...

    Call an hvac contractor, an electrician wont know the first thing about a heatpump operation. It should say on the unit ID tag what the max breaker is and minimum amp draw, if the wiring to the unit...
  2. "I suppose the installing Contractor can say due...

    "I suppose the installing Contractor can say due to you calling another Contractor ( paying ) they may use that as a excuse to drop you and no labor warranty if they find out about it?"


    Very...
  3. Online reviews are bought and paid for and...

    Online reviews are bought and paid for and warranty doesnt cover refrigerant, are you looking forward to all these same problems when it's out of the labor warranty? Bad installs keep breaking down...
  4. Replies
    16
    Views
    622

    Poll: Yes, they are equally garbage if badly installed....

    Yes, they are equally garbage if badly installed. Your not shopping for a brand, forget about the name on the box. Do some homework on the pros and cons of communicating systems and of the...
  5. Get a different contractor brother, I cant tell...

    Get a different contractor brother, I cant tell if these guys are inept or shady but I can tell they arent going to get it working right for you. So according to what he says, do you think everytime...
  6. I cant remember who told me that Copeland found...

    I cant remember who told me that Copeland found years ago that more compressors died on Thanksgiving day than any other day of the year. It being significantly colder outside , liquid refrigerant...
  7. No difference, but now you understand that built...

    No difference, but now you understand that built to code means the govt wont let you make it any worse then what they outline and is not to be considered 'the bar' to determine if a jobs done well. ...
  8. Sounds like you need to ask for the most senior...

    Sounds like you need to ask for the most senior tech they have as the other guy isn't sure if it's a low charge or a bad metering device. They will both show a lot of the same symptoms so...
  9. I agree the blower performance chart looks screwy...

    I agree the blower performance chart looks screwy as all hell and nothing has been ruled out, ask the tech to explain this, if they cant then that's what tech support is for, or/and put a call into...
  10. They, like everyone else, has teams of engineers...

    They, like everyone else, has teams of engineers and CAD modeling that design all this equipment, then they try to destroy them in environmental chambers under brutal conditions for a few years...
  11. That looks like a branch box for a heat recovery...

    That looks like a branch box for a heat recovery unit, I didn't know anyone made those for single phase. I thought you meant it takes 5x longer to blow hot air than the other heads, use a digital...
  12. Replies
    6
    Views
    283

    Not being onsite I have no idea how difficult it...

    Not being onsite I have no idea how difficult it will be to fix, if the drywall has been damaged, cut a square of it out that has been damaged so it doesnt start to sprout, you maybe able to see the...
  13. Replies
    6
    Views
    283

    It would be helpful to know what kind of heating...

    It would be helpful to know what kind of heating equipment you have, but I'll venture a guess based on your description. Going to roll the dice a guess you have a 90+% efficient gas heater. These...
  14. Replies
    16
    Views
    622

    Poll: Do a free manual J at www.Loadcalc.net and find...

    Do a free manual J at www.Loadcalc.net and find out how much heating/cooling you actually need, then have your static pressure measured in heating and compare that to the blower performance chart to...
  15. How much time is "5x as long"? What is the...

    How much time is "5x as long"? What is the lineset length from the box to each head and is the 24k missing its insulation?. That bottom lineset looks like it's what they had available instead of...
  16. Can you post pictures of the install yet? You...

    Can you post pictures of the install yet? You can probably google a template of a commissioning report for gas furnaces and tell the installer you want this filled out, then post it here
  17. From what I could dig up on your furnace it would...

    From what I could dig up on your furnace it would require right about 1400 cfm to get a 50-55* temp rise but its maxed out at 3 tons of airflow, 1200 cfm. The furnace works better with the blower...
  18. Heat pumps lose capacity as it gets colder...

    Heat pumps lose capacity as it gets colder outside, they also will lose capacity if the building is cold. Not to say it's not capable of pulling back up, but HP's are much happier maintaining temp...
  19. Gas pressure coming into the furnace has an...

    Gas pressure coming into the furnace has an allowable range and coming out of the gas valve is a specific number that is ball parked from the factory on a good day at best. You've got to have your...
  20. Your tstat doesnt control the electric heaters...

    Your tstat doesnt control the electric heaters during defrost, they are turned on via the defrost board. Heatpumps do not like large setbacks, so if your weather is going to be similar to what...
  21. Replies
    10
    Views
    544

    Agree with all of what Pecmsg said. System cant...

    Agree with all of what Pecmsg said. System cant dehumidify when it shuts off and overcooling the space is very wasteful. Every 1/2 ton of cooling requires 150-200 cfm of airflow, oversized...
  22. Replies
    10
    Views
    544

    Lol! I didn't even notice your screen name,...

    Lol! I didn't even notice your screen name, here's your sign! Airflow needs to be setup specifically for areas like your to optimize dehumidification. You'll need a whole home dehumidifier in low...
  23. Replies
    11
    Views
    428

    Agree with PHM about the logic. Carbon Monoxide...

    Agree with PHM about the logic. Carbon Monoxide clings to blood vessels and prevents oxygen from doing so, it can take weeks after exposure has ended to get it out of your system. If I read this...
  24. Replies
    13
    Views
    564

    Agree with above. Even with low loss fittings a...

    Agree with above. Even with low loss fittings a little escaped, so it eventually adds up. You'll also probably introduce contaminants into the system. I never gauge up, unless I suspect an issue...
  25. Replies
    10
    Views
    544

    21* dt sounds ok in an area with little humidity....

    21* dt sounds ok in an area with little humidity. Did the contractor leave a commissioning report? This would tell you static pressure, airflow settings, refrigerant pressures, SH & SC, amp draw,...
  26. You need someone that can measure the gas flow in...

    You need someone that can measure the gas flow in and out of the valve, control voltage at the valve, pressure reading at the switch while it's running and measure the flame sensor signal. A...
  27. Replies
    11
    Views
    428

    Here's how it should work. If I find something...

    Here's how it should work. If I find something of concern regarding the integrity of the heat exchanger, I inform the customer of the info and explain why my finding is concerning and the exchanger...
  28. Replies
    1
    Views
    207

    Not that I'm aware of. A lot of times it's the...

    Not that I'm aware of. A lot of times it's the board and not the screen that's goes bad with this complaint. Have you checked the warranty on this tstat?
  29. Replies
    2
    Views
    262

    Amp draw is usually done for each individual...

    Amp draw is usually done for each individual component that you want to measure, checking the draw of the combined total wont tell you if a single component is overamping
  30. You cant check charge with gauges on mini-splits....

    You cant check charge with gauges on mini-splits. Charge must be recovered and weighed. I'm with you, sounds like the EXV isn't closing, to determine why that is tech support most be contacted and...
  31. Replies
    10
    Views
    544

    What's the return temperature?

    What's the return temperature?
  32. Replies
    13
    Views
    564

    You just started a Chevy/Ford/Dodge battle with...

    You just started a Chevy/Ford/Dodge battle with that last question. Pressures mean nothing without pipe temps on R410a, so I'd try to find the Fieldpiece SMAN 360 on Craigslist or something. Has...
  33. Replies
    13
    Views
    564

    Was the charge checked in cooling? If not I'd...

    Was the charge checked in cooling? If not I'd recommend having that company recheck in the spring. Charging a heatpump during heating mode will get you in the ballpark but you want to do a final...
  34. Replies
    6
    Views
    345

    It maybe necessary to pull and clean the blower...

    It maybe necessary to pull and clean the blower assembly and evap coil, it doesnt take much to kill your airflow and efficiency. If that gets cleaned up and the motor electrically checks out ok ask...
  35. Replies
    13
    Views
    564

    I'd start by checking the fan performance...

    I'd start by checking the fan performance first(psc or ecm?), the inside of the evap coil, blower wheel, all registers are open and then I'd measure the ducting static pressure and compare that to...
  36. Replies
    3
    Views
    234

    Possibly a setup issue, those heads can be setup...

    Possibly a setup issue, those heads can be setup to read the airtemp from the remote, or from a sensor in the head or a combo. If it's not reading room temp solely from the remote it will run the...
  37. Replies
    6
    Views
    278

    Why move anything? Cant the ducting to the areas...

    Why move anything? Cant the ducting to the areas you dont want to be conditioned by either system be capped? If not you'll still have to rip up ceiling to install the dampner motors. FYI daikin,...
  38. Replies
    4
    Views
    242

    Oversized equipment on undersized ducting seems...

    Oversized equipment on undersized ducting seems to be the rule rather than the exception. Installer sounds incompetent if they can figure out an airflow noise or very likely they know why it's...
  39. Replies
    6
    Views
    278

    His plan is the preferred method, if you have any...

    His plan is the preferred method, if you have any rooms that are to hot or cold that's a ducting problem and variable speed unit may just make it worse. Zoning is a compromise and is best done...
  40. Replies
    6
    Views
    345

    Even a dirty filter wont prevent the blower from...

    Even a dirty filter wont prevent the blower from coming on, but it will make the motors job easier. I'd recommend calling for service as it's likely this is just the start of the problem. A failing...
  41. Replies
    3
    Views
    234

    What's the model number of the head and condenser?

    What's the model number of the head and condenser?
  42. Replies
    4
    Views
    243

    Measure the temperature of the air entering the...

    Measure the temperature of the air entering the furnace and of the air about 10' from the exit of the furnace with a digital thermometer, this number is called a temperature rise, the allowable...
  43. Replies
    3
    Views
    219

    Personally I dont think you will notice much if...

    Personally I dont think you will notice much if any difference by doing this, especially on a long duct run. If you decide to do it, any duct size can only move X amount of air so no point in...
  44. It's a good idea even if it's not required. ...

    It's a good idea even if it's not required. Guess you get what you pay for.
  45. Replies
    13
    Views
    564

    DIY info cannot be given on this site, but you...

    DIY info cannot be given on this site, but you could verify nothing is limiting the indoor airflow, like a dirty airfilter or evap coil. After that you would need to see what's going on inside the...
  46. This is an inverter system I take it? If so, I...

    This is an inverter system I take it? If so, I would thing that its accurate but you need to factor in the amp draw of the airhandler, any supplemental heat strips, etc as well. I dont size...
  47. Replies
    9
    Views
    438

    Actually I said its operation could be normal but...

    Actually I said its operation could be normal but if it wasn't it could cause excessive wear and tear, since you gave no indication that maintenance had been performed, and as we are into the heating...
  48. Replies
    2
    Views
    203

    Call your propane provider and verify your tank...

    Call your propane provider and verify your tank is not below 30% and the tanks regulator is feeding sufficient fuel to the furnace. This must be measured with a manometer and adjusted both before...
  49. Replies
    9
    Views
    438

    Yes, I do expect people to look at the full...

    Yes, I do expect people to look at the full system. It maybe that it was a crap made in china part but it takes 10 minutes to find out. Your right though, you dont know what else it could be, you...
  50. You have a very poor duct design my friend. ...

    You have a very poor duct design my friend. Going off the photos and info you've given, your massively de-pressurizing your home by pumping that heated air into your garage and unfinished basement,...
Results 1 to 50 of 1000
Page 1 of 20 1 2 3 4