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  1. Replies
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    The pictures do not show enough to draw any...

    The pictures do not show enough to draw any conclusions other than the gap on the return box. That's just wrong. Return air should all come from the conditioned space. Pulling return from the...
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    That's pretty sloppy work. Was this installed by...

    That's pretty sloppy work. Was this installed by a contractor?

    You need to find out if there is enough air flow. What I can see of the return seems small. A good technician can measure static...
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    There are a lot of things your HVAC company could...

    There are a lot of things your HVAC company could have missed. This is not a DIY site so we cannot suggest any technical action.
    If you are using a 1"pleated air filter, try a simple fiberglass...
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    Chances are the old unit was oversized. If any...

    Chances are the old unit was oversized. If any energy improvements were made to the house in the last 29 years then the unit is almost certainly too big. The correct procedure is to get a load...
  5. Site rules prohibit giving advice for DIY. We...

    Site rules prohibit giving advice for DIY. We recommend hiring a contractor for your safety instead of being cheap.
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    Units should run constantly when conditions are...

    Units should run constantly when conditions are at design temperature. When conditions are mild they will cycle off and on because of reduced load. Inverter/multi-speed units operate at different...
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    The vent for my furnace is 3’ from my heat pump....

    The vent for my furnace is 3’ from my heat pump. They’re nearly 20 years old. No problems so far.
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    What constitutes noise for you? They’re not...

    What constitutes noise for you? They’re not completely silent but nearly so. I can occassionally hear refrigerant flowing in mine if the room is very quiet.
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    SENSOR! There is no censor!

    SENSOR! There is no censor!
  10. Most manufacturers have a minimum five year...

    Most manufacturers have a minimum five year warranty which becomes 10 years upon registration. Are you sure that the warranty is being offered for parts AND labor and not just a labor warranty?
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    What was your reasoning for replacing the flame...

    What was your reasoning for replacing the flame SENSOR, igniter, and inducer fan?
  12. Replies
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    352

    If you don't do a load calculation, who is...

    If you don't do a load calculation, who is responsible if the size proves to be incorrect after the installation?
  13. Staging depends on the way the furnace is set up...

    Staging depends on the way the furnace is set up and wired to the thermostat. We won't be able to tell anything about your situation at this distance.
    The installers should have made several...
  14. Some units have a couple of screws that hold the...

    Some units have a couple of screws that hold the unit in the case, but you’ll need to know which ones. It does require a good tug to separate them.
  15. Only an enormously oversized unit will drop the...

    Only an enormously oversized unit will drop the temperature 10* in 1 hour. A reasonable expectation is 1-2* per hour.
  16. Nest sucks. If they haven’t caused a problem yet,...

    Nest sucks. If they haven’t caused a problem yet, they will eventually.

    I like Bosch and a variable speed blower. I use the Honeywell Prestige IAQ thermostat to achieve two stages of cooling and a...
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    Don't use the warranty company AT ALL! They have...

    Don't use the warranty company AT ALL! They have no incentive to do quality work as they are being paid less than standard rates. All the work I've seen by HW companies has been poor, some of it even...
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    Re. "really tight," even Net Zero houses aren't...

    Re. "really tight," even Net Zero houses aren't so tight that anyone will suffocate. Tight houses need a ventilating dehumidifer or an ERV to provide fresh air to flush pollutants and renew the...
  19. Replies
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    I'm getting an error on both links for the case...

    I'm getting an error on both links for the case studies.

    Here's a link to the main site for those who want to explore - http://energysmartohio.com/
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    No house is perfectly tight. That's what a blower...

    No house is perfectly tight. That's what a blower door is for - measuring and helping locate leaks. The mantra of home performance guys is "build tight, ventilate right." As Circus says, the goal is...
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    OP, perhaps now you may grasp why you can't learn...

    OP, perhaps now you may grasp why you can't learn this on youtube or from the guys at Lowes.
  22. Replies
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    No, that does not sound right. You can spend lots...

    No, that does not sound right. You can spend lots of $ changing parts without solving the problem. Hire a contractor who has tools and experience.

    There is a link in my signature for locating site...
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    For case studies look at Nate's Energy Smart Ohio...

    For case studies look at Nate's Energy Smart Ohio site - http://energysmartohio.com/case-studies/
  24. The multi-zone Hyper Heat units have a...

    The multi-zone Hyper Heat units have a significantly lower heating capacity than the single zone units.
    In similar situations we have installed a single zone Hyper Heat system for the first floor...
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    Only if it seals a leak. Many utility programs...

    Only if it seals a leak. Many utility programs indiscriminately advise caulking and insulation without knowing the problem.

    I performed a blower door test for a house that had mold problems from...
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    Part of the process is to measure the problems so...

    Part of the process is to measure the problems so we can give the customer options with a rated chance of success. For instance, many people have been conditioned to think that adding attic...
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    Be VERY cautious of home warranty work. In my...

    Be VERY cautious of home warranty work. In my experience, they pay so low that the contractor has reason to find other things that aren’t covered so they can charge you. The contractor isn’t...
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    I can see why you might get that impression. Nate...

    I can see why you might get that impression. Nate and Ted are friends of Bill Spohn, and Brian Orr. They’ve been on the podcasts by Brian and Bill if you’d like to listen to the discussions. In fact...
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    Your question is oversimplified. Calculate the...

    Your question is oversimplified. Calculate the total equivalent length and factor in the friction rate and the blower capacity.
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    If you feel it is, report it and let the mods...

    If you feel it is, report it and let the mods decide.
  31. Thread: Heater

    by kdean1
    Replies
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    255

    Now we’re getting somewhere. You think the reset...

    Now we’re getting somewhere. You think the reset is a reset because it says reset on it.
  32. Replies
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    18x8 comes up short. 22x8 would be better. 16x10...

    18x8 comes up short. 22x8 would be better. 16x10 would be adequate also. Of course proper fittings and enough branch rums are needed as well. The larger sizes will help keep static pressure low and...
  33. If the fan on the heat pump is running then the...

    If the fan on the heat pump is running then the heat pump is responding to a call for heat. The technician should have checked the heat pump when he was there.

    By your description do you mean the...
  34. Thread: Heater

    by kdean1
    Replies
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    255

    It is not a button.

    It is not a button.
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    Who suggested two tons? Home Depot? Online sales...

    Who suggested two tons? Home Depot? Online sales site? Is that the size that's there? A true load calculation (Manual J) is the proper way.
  36. Thread: Heater

    by kdean1
    Replies
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    255

    The red button is a limit. There's something...

    The red button is a limit. There's something wrong with the heater if it trips the limit every cycle. Replacing the limit is not the solution. It is doing its job. Call a technician.
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    It should be inspected. Water may have frozen in...

    It should be inspected. Water may have frozen in other places in addition to the drain pipe.
  38. Some furnaces had an issue with the secondary...

    Some furnaces had an issue with the secondary heat exchanger. I'm not familiar with all the Bryant models so I don't know if yours is one of the ones with a problem. As Steve suggested, your 20 year...
  39. Sounds like a draft issue though I can think of...

    Sounds like a draft issue though I can think of other potential causes. There’s probably other factors in addition to high winds. Please provide furnace model and serial number as well as your city.
  40. I doubt the manufacturer recommends any filter...

    I doubt the manufacturer recommends any filter but their own. On many occasions I’ve found a MERV 11 filter to have more pressure drop than the system can handle. Changing to a MERV 8 may help unless...
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    What is your location? Is this a Low NOX furnace?...

    What is your location? Is this a Low NOX furnace?
    This is not a safe project for a homeowner. I recommend you call the installer.
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    The furnace may be bigger than the duct system....

    The furnace may be bigger than the duct system. Happens all the time.
  43. Replies
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    Please explain why the contractor hasn’t...

    Please explain why the contractor hasn’t fulfilled his contract to provide working systems.
  44. A ventilating dehumidifier is always a good...

    A ventilating dehumidifier is always a good addition for the house.
  45. Replies
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    327

    Don’t use a setback. Problem solved. it’s...

    Don’t use a setback. Problem solved.

    it’s obviously an air flow issue. Have any of the techs measured static pressure? What were their recommendations? The solution is not going to be replacing a...
  46. ^^^^^^ Ditto. I have encountered coils that...

    ^^^^^^ Ditto.

    I have encountered coils that won’t drain properly if a trap is installed. Your coil does not need a condensate trap.
  47. Panned joist returns simply don’t work well. They...

    Panned joist returns simply don’t work well. They are inherently leaky and often there are not enough or they’re just too small. Ducted returns, even a large central return is better. Better provided...
  48. If you do not have EPA certification you have no...

    If you do not have EPA certification you have no business putting gauges on a system. “Letting pressure out” is an offense for which you can be fined.
  49. Based on your initial question, your only concern...

    Based on your initial question, your only concern was the price. You should be asking about judging the quality of a company.
    I agree that a higher price does not always indicate a better end result.
  50. By this reasoning, you need to know how much...

    By this reasoning, you need to know how much McDonald's pays for the ingredients of your happy meal.
    You are paying for the skills of the installing company. They are responsible for correctly...
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