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  1. Thread: Home IAQ???

    by Drippy
    Replies
    9
    Views
    2,127

    Home IAQ???

    Look at RenewAire ERVs. They have produced residential and commercial ERVs for @ 30 years in Wisconsin. There are several sizes, are HVI rated, on the high end of efficiency ratings, have MERV 8...
  2. Replies
    17
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    2,756

    Any ERV experts here

    The ERV should run independently of the air handler/A/C, otherwise the amount of ventilation would be determined by how hot or cold it is outdoors.
    A desired ventilation rate can be accomplished by...
  3. Thread: Home IAQ???

    by Drippy
    Replies
    9
    Views
    2,127

    Home IAQ???

    Home IAQ issues need to be identified and the best product applied. Seldom does one product cover all the bases. Prioritize and get the best bang for your buck.
    For odors, VOCs (like carpet...
  4. ERV reviews Energy Recovery Ventilators recommendations

    HVI is the only independent rating organization, which is voluntary; the mfgr pays for testing. Always compare apples to apples.
    Contact RenewAire tech support, who are very helpful. They can...
  5. Replies
    6
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    1,657

    HRV With Bathroom Stale Air Pickup???

    I have a RenewAire ERV in my home (WI) as a central exhaust system. It pulls 75cfm from the general kitchen area, 50cfm from the first floor bath, and 55cfm from the second floor bath. It normally...
  6. Replies
    27
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    5,929

    Honeywell TruSTEAM feedback??

    After several attempts by my installer to get it working properly, it reduced the excessive water useage of my 700 AprilAire connected to cold water (60F) noted by my water bill. I took the 700 to...
  7. Replies
    9
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    2,110

    Alternate Bathroom Ventilation

    Since bathrooms are the primary location of personal hygiene activities; #1, #2, burrito exhaust, deodorant, perfume, hairspray, bathing moisture vapor, etc.; many state and local codes, Energy Star,...
  8. Replies
    9
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    2,110

    Alternate Bathroom Ventilation

    Odors (and moisture vapor) seek equilibrium in a (confined) space: basic chemistry. If (normal) odors and smoke were heavier than air, you would never see or smell anything above waist level, there...
  9. Replies
    9
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    2,110

    Alternate Bathroom Ventilation

    With up to 85% HVI Certified sensible recovery with an ERV, there is a large amount of energy wasted with exhaust only ventilation coupled with the dehumidifier (DH) bringing in unconditioned air (#1...
  10. Replies
    9
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    2,110

    Alternate Bathroom Ventilation

    The central bath exhaust idea is a good start. By using ERV you can take it two steps further than central exhaust only; make up air and energy recovery. Balanced ventilation is important with...
  11. Replies
    5
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    2,289

    Broan Guardian HEPA and ERV

    The unit referenced is rated for 113 cfm outside air @ .4 esp using 224 watts via www.hvi.org website. There is no certified recovery efficiency rating listed. It's actually listed under...
  12. Connecting a humidifier to an HRV? (no air handler)

    Last winter I had my power humidifier (700) removed and installed a steam humidifier (TruSteam) on my furnace. The reason was too much water was going down the drain. 60F water didn't evaporate...
  13. Replies
    18
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    4,167

    No place for HVAC in Green home

    Look into a ductless heat pump/A/C system like Mitsubishi. No ductwork required, just two fluid lines. Could install 3-4 units per condensor I believe. Total cost may be more efficient than trying...
  14. Replies
    11
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    5,967

    Bathroom exhaust fan

    To properly ventilate a bathroom, the exhaust point should be high, not low. Warm air rises and brings humidity and odors with it. The steam in my bathroom gathers towards the ceiling, not the...
  15. Replies
    23
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    3,117

    Best IAQ option with two pets

    ASHRAE 62-1999 suggests 1 cfm of outdoor air/square foot for pet shops and .35 ach/residence. An 70 cfm ERV would provide 8 air changes per day (.35 ach) in your 1500 square foot house. The IAQ...
  16. Thread: Radon

    by Drippy
    Replies
    65
    Views
    8,009

    Radon

    There is an EPA booklet titled,"Consumer's Guide to Radon Reduction", How to reduce radon levels in your home. Air and Radiation 6604J, August 1992 402-K92-003.

    What I gather from that is for an...
  17. Replies
    14
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    1,787

    taming the VOC's in a nail salon

    A great place to start is ASHRAR Standard 62-1999, Outdoor Air Requirements for Ventilation, Specialty Shops, Beauty; 25 cfm per occupant.
    The same rate applies to nail salons. 2 occupants per...
  18. Replies
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    2,156

    VanEE vs Lifebreath

    First, compare HVI independently certified units. Lifebreath ERVs are not HVI certified; only their HRVs. VanEE and RenewAire certify all of their products.

    The VanEE ERV 2001 is HVI certifed,...
  19. Thread: ERV opinions

    by Drippy
    Replies
    5
    Views
    2,619

    ERV opinions

    Ventilation rate should be determined by time, and not by temperature (thermostat fulfillment). The PTL control runs the single speed RenewAire unit a portion of every hour by percentage, and is...
  20. Thread: ERV opinions

    by Drippy
    Replies
    5
    Views
    2,619

    ERV opinions

    Consider HVI (Home Ventilating Institute) certified data of a RenewAire EV200 showing 85% apparent sensible effectiveness @ 181cfm. Electrical use is less than .9 watts per cfm. This unit has no...
  21. Replies
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    2,526

    Trane Heat Pump - 15i vs 19i

    We don't experience a lot of summer high humidity so is not an issue. I run a dehumidifier in the basement in summer to keep it @ 40RH instead of 55-60.

    I have the Trane (by Honeywell)...
  22. Replies
    20
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    2,526

    Trane Heat Pump - 15i vs 19i

    How about a 16xli?

    The 15 is single stage and speed, and the 19i would be overkill, unless you were further south. I have had a 16i for two years. I saved $400 in total energy bills the first...
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