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  1. #1
    Join Date
    Oct 2005
    Location
    USA, FL
    Posts
    6
    Hi,
    Does anyone know which manufacturer does heresite coating for there units? The sizes I'm looking for are 18000, 24000, 36000, 36000 vertical units. Thanks a lot.
    Mack

  2. #2
    Join Date
    Apr 2005
    Posts
    517
    I know Trane has a coating for their coils. I am not sure if it is heresite. We just changed four Trane units out from standard coils to Heresite. We even installed all stainless screws and had the sheet metal painted an acid resistant paint.

  3. #3
    Join Date
    Nov 2001
    Posts
    26
    York offers Heresite as a standard option.

    Also, Heresite is a just brand name of a phenolic coating. There are other phenolic coaters in the market.


  4. #4
    Join Date
    Feb 2006
    Location
    Denver Colorado
    Posts
    12
    I have a water treatment plant that cant keep freon inside their units I found a company called bronze glow coatings
    I think that is the right name they also give a 5 or ten year warranty .If Iam wrong on the name I will repost

  5. #5
    Join Date
    May 2002
    Location
    Baton Rouge, Louisiana
    Posts
    3,892
    Carboline is another brand of coating you may want to look into.
    Quote Originally Posted by MatrixTransform View Post
    very soon it is you that will be pwned

  6. #6
    Join Date
    Apr 2002
    Posts
    11,808
    Trane has been giving me Adsil coatings lately.

    Factory applied by the coating guys is always the best.

    With heresite you want it dipped in the stuff in the first place.

    BronzGlow is out of Florida, and has worked pretty good against salt on a few chillers I have been keeping my eye on.

    Electro-fin is another one I have seen, but the few units it was on were replaced -- salt water immersion.

    Not impressed with Carriers ecoat-- black stuff.
    The way we build has a greater impact on our comfort, energy consumption and IAQ than any HVAC system we install.

    http://www.ductstrap.com/

  7. #7
    Join Date
    Jul 2000
    Location
    Florida
    Posts
    1,242
    Vendor Adsil Heresite Heresite Applied Surface Technology Bronz-Glow Bronz-Glow Blygold International Blygold International Blygold International ThermoGuard
    Brand MicroGuard P-413 VR-514 Electro Fin Green Fin Green Fin (Aerosol Kit) Tropic PoluAl High Temp PoluAl Fin Guard
    Description Covalent bonded silane Phenolic A primer-finish combination material Epoxy Flexible Synthetic Flexible Synthetic Wax Based Aluminum Impregnated Polyurethane Aluminum Impregnated Siloxane Resin Aluminum Impregnated Polyurethane
    Application HVAC/R coils, fan blades, compressor HVAC/R coils HVAC/R coils HVAC/R coils HVAC/R coils HVAC/R coils HVAC/R coils HVAC/R coils HVAC/R coils HVAC/R coils
    Limitations FPI & Rows 22 FPI - 12 Rows 22 FPI - 1 Row 10 FPI - 8 Rows 10 FPI 1-2 Rows 22 FPI - 12 Rows Not available Not available Not available Not available Not available Not available
    Color Clear Brown Brown Black Hunter Green Hunter Green Bronze Silver Silver Silver
    Gloss level Full Semi-gloss Matte Gloss Semi-Gloss Semi-Gloss
    Coating Thickness 3 - 5 microns 100 - 150 microns 100 - 150 microns 20 - 30 microns 55 - 100 microns 55 - 100 microns 25 - 30 microns 25 - 30 microns 50 microns 50 + microns
    Bridging None Maybe None Maybe Maybe Maybe Maybe Maybe Maybe
    Mold Will Not Support It Yes Yes Yes Yes Yes Yes Yes Yes Yes
    Chemical Resistance All aggressive environments with exception of pH less than 2 or higher than 11 Provide good chemical resistance to a wide variety of acids, alkalis, salts Provide good chemical resistance to a wide variety of acids, alkalis, salts Provide chemical resistance in the range of 3 to 12 pH. Acids; Alkaline; Acid Rain; Salt Air; Salt Water Spray; Sulfur Water; Nitrogen Dioxide; Carbon Dioxide; Uric Acid/Urea Acids; Alkaline; Acid Rain; Salt Air; Salt Water Spray; Sulfur Water; Nitrogen Dioxide; Carbon Dioxide; Uric Acid/Urea
    pH Range 2-11 PH 2-12 PH 2-12 PH 3-12 PH
    Salt Spray Resistance (ASTM-B117) 6,000 + hours 3,000 hours 5,000 hours 2,000 hours 2,000 hours 1,500 hours 3,000 hours 1,500 hours 3,000 hours
    Temperature Resistance Up to 900F Up to 750F Up to 300F -40F - 400F -30F - 250F -30F - 250F 32F - 248F 32F - 302F 32F - 1202F Up to 350F
    UV Resistance Impervious No No No No No No No No No
    Bond with Substrate Chemical Bond Mechanical Bond Mechanical Bond Mechanical Bond Mechanical Bond Mechanical Bond Mechanical Bond Mechanical Bond Mechanical Bond Mechanical Bond
    Heat transfer Reduction None 2-5% Not available Less than 1% 0-3% 0-3% 0-3% 0-3%
    Application method Spray On Multiple dipping and baking Spray on Immersion Electrocoat Spray On Aerosol Can Spray On Spray On Spray On Spray On
    Warranty 5 year coils and coating 1 year for workmanship 1 year for workmanship 1 year for workmanship 3 year for workmanship
    Absorb This

  8. #8
    Join Date
    Apr 2002
    Posts
    11,808
    Lol bob, I appreciated it in spreadsheet format. thanks for the email.
    The way we build has a greater impact on our comfort, energy consumption and IAQ than any HVAC system we install.

    http://www.ductstrap.com/

  9. #9

  10. #10
    Join Date
    Feb 2006
    Location
    amsterdam / ft lauderdale
    Posts
    9

    thermoguard

    If anybody is interested in a full coating comparison spread sheet let me know. Thermoguard can apply factory coating or field coatings including anti microbial application in about thirty places. Saltspray 10 000 hours, up to ten years warranty.

  11. #11
    Join Date
    Apr 2002
    Posts
    11,808
    Curious on the warranty. If the coil rots out do they get another jug of coating?
    The way we build has a greater impact on our comfort, energy consumption and IAQ than any HVAC system we install.

    http://www.ductstrap.com/

  12. #12
    Join Date
    Feb 2006
    Location
    amsterdam / ft lauderdale
    Posts
    9
    we maintain and if necessary touch up. Not adding layer after layer. The warranty comes with replacement coil warranty. We have a big number of references.

  13. #13
    Join Date
    Apr 2002
    Posts
    11,808
    10 years old, after a cat 5 hurricane, salt spray environment

    The way we build has a greater impact on our comfort, energy consumption and IAQ than any HVAC system we install.

    http://www.ductstrap.com/

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