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  1. queries (0 replies)
  2. Earth tapped transformers (6 replies)
  3. Safe disconnect? (3 replies)
  4. Refrigeration 101 (10 replies)
  5. Change evaporator (6 replies)
  6. parellel condenser issue (19 replies)
  7. refrigerant issue (2 replies)
  8. cooling tower without fillings (3 replies)
  9. Bitzer gasket (5 replies)
  10. Simply an Aussie Lady needing advice (27 replies)
  11. total fresh air handler (3 replies)
  12. Lokring... anyone use it regularly? (5 replies)
  13. troubleshoot a two door storage room (7 replies)
  14. design of small refregeration compressors valves (1 replies)
  15. Capillary tube prices in the UK (4 replies)
  16. Ammonia Absorption Systems (2 replies)
  17. DX coil distributor issue (2 replies)
  18. Best way to sense level of liquid refrigerant in receiver? (2 replies)
  19. Gas velocity in multisets (0 replies)
  20. Fit & Forget flexi-hose (8 replies)
  21. ammonia refrigeration system (48 replies)
  22. commercial fridge (10 replies)
  23. Control of Refrigeration Systems (1 replies)
  24. aeroflex inside access doors of ahu as insulation (0 replies)
  25. Entropy (10 replies)
  26. few questions (5 replies)
  27. TEV selection (7 replies)
  28. HGBP valve application (5 replies)
  29. Sizing of Capacitor bank (9 replies)
  30. R410 (2 replies)
  31. refrigeration temples (3 replies)
  32. oil free compressor (6 replies)
  33. what evap. temperature should i get (11 replies)
  34. Cooling tower evaporation, blowdown, makeup and cycles (0 replies)
  35. TEV selection (9 replies)
  36. system modelling (17 replies)
  37. Sourcing Condensers in USA (2 replies)
  38. Fundamental information (12 replies)
  39. Trouble Shooting (20 replies)
  40. Condensing temp in refrigeration (1 replies)
  41. Air Source Heat Pump (1 replies)
  42. Condensing temp of refrigerant (4 replies)
  43. Calculation of "U" in Evaporator design (4 replies)
  44. Air Source Heat Pump - temp of refrigerant leaving evaporator (3 replies)
  45. Glycol chiller (2 replies)
  46. pls comment (4 replies)
  47. Problem:water dripping from a/c unit (9 replies)
  48. TEV range (12 replies)
  49. Flood Back After 2 years.. (10 replies)
  50. need to learn the basics of refrigeration (19 replies)
  51. Equipment & Installation specifications (4 replies)
  52. Checking run capacitors (4 replies)
  53. how do i know my system is charged well (19 replies)
  54. electronic expansion valve issue (17 replies)
  55. Defrost Problem (40 replies)
  56. freezing dog food (26 replies)
  57. Toxic/Hazardous Chemicals In HVACR (12 replies)
  58. Crank case pressure regulating valve (9 replies)
  59. HP Cut OUt device (1 replies)
  60. Measure suction line pressure drop with thermometer (7 replies)
  61. No Body have An Answer !!! (21 replies)
  62. chilled water pump design (5 replies)
  63. Blast Freezer Evaporators Selection (12 replies)
  64. HELP Please.... (11 replies)
  65. Finned tube data (5 replies)
  66. service manual download site (2 replies)
  67. suppliers (5 replies)
  68. tev (1 replies)
  69. Cold storage - Onions room (31 replies)
  70. Certification Ce Etl Ul (7 replies)
  71. reverse cycle low ambient (8 replies)
  72. superheat measure (10 replies)
  73. Buffer Tank Sizing (12 replies)
  74. I want to find detailed files about ALCO zz thermo expansion valve (2 replies)
  75. secondary refrigernt additives (1 replies)
  76. expansion water tank sizing program (0 replies)
  77. 3D software (8 replies)
  78. Freezer/Cooler Question (3 replies)
  79. household portable dehumidifier (15 replies)
  80. Cascade Refrigeration System (71 replies)
  81. water coil anti-freeze (0 replies)
  82. Oil parameters (7 replies)
  83. Leaving conditions of DX HELP REQUIRED!!! (8 replies)
  84. water cooling coil design (5 replies)
  85. running pressures (33 replies)
  86. Guidance on a first foray... (19 replies)
  87. Compressor for island case (5 replies)
  88. need help (6 replies)
  89. Evaporative condenser surface area (5 replies)
  90. thermoelectric air coolers?? Is it suitable?? (3 replies)
  91. Heat pump temperature control (8 replies)
  92. Chilled Displays : (2 replies)
  93. capacity converstion (12 replies)
  94. Ammonia Gauges? (12 replies)
  95. Gas and liquid lines (0 replies)
  96. Quick question about using a fridge in an RV (1 replies)
  97. Refrigerant R22/R404A (4 replies)
  98. hot discharge air from C.U (48 replies)
  99. need help (3 replies)
  100. Vacuum procedure (18 replies)
  101. Superheat (2 replies)
  102. Internal V's External Expansion Valves (9 replies)
  103. oil in tank heat load calculation (7 replies)
  104. Expansion (11 replies)
  105. leaving dry and wet bulb difference of Evaporator coil (4 replies)
  106. undersize pipe and kink (1 replies)
  107. Acraclad coating (6 replies)
  108. to Peter 1 (2 replies)
  109. need your help (9 replies)
  110. why icing on the suction valve (14 replies)
  111. Leaks in refrigeration systems (3 replies)
  112. How to calculate gas top up (R22) (32 replies)
  113. DX coil software (7 replies)
  114. Chocolat storage (10 replies)
  115. nitrogen purging (21 replies)
  116. re ref. circuit (5 replies)
  117. Condensor split temperature (14 replies)
  118. HVAC system trend in the future (1 replies)
  119. HPWH issue (32 replies)
  120. Capacity Control Head (11 replies)
  121. backforward curve centrifugal fan (1 replies)
  122. zone heating /cooling work station (6 replies)
  123. Comments on this please (8 replies)
  124. Eroding in pipe heat exchangers (7 replies)
  125. Pykrete Summer Igloo (5 replies)
  126. Heat transfer through tubes (3 replies)
  127. evaporative condenser (16 replies)
  128. cleaning old pipework (18 replies)
  129. Service Bulletin Quiry (6 replies)
  130. Can an amature build a homebrew temprite??? (1 replies)
  131. liquid desiccant dehumidify (19 replies)
  132. Nox (5 replies)
  133. Cap Tube Sizes (14 replies)
  134. Carrier Moduline VAV air terminals (6 replies)
  135. What kinf of pipes are used for coldstores ? (14 replies)
  136. Stirling Cycle (2 replies)
  137. What is the best brand name for refrigeration valves (29 replies)
  138. Usefull General Info (7 replies)
  139. r22 enthalpy diagram (13 replies)
  140. Pipe Sizing (6 replies)
  141. Converting from R12 R22 R502 (3 replies)
  142. Edinburgh cafe explosion (21 replies)
  143. Help with charge calcs (4 replies)
  144. Identification of a Prestcold (12 replies)
  145. someone please help! (14 replies)
  146. Total System Charge (1 replies)
  147. Air Compressors (1 replies)
  148. Dramatize R effect of pressure alone (22 replies)
  149. air cooled condenser design (1 replies)
  150. System charging (10 replies)
  151. Compressor back pressure rating (9 replies)
  152. Why Do Condenser Fans Suck ? (5 replies)
  153. Will it work. (14 replies)
  154. Designing Roll Bond Evaporator (11 replies)
  155. Oil pressure switch- Low oil level (11 replies)
  156. Use of schrader valves (3 replies)
  157. Safe Handling Licence (8 replies)
  158. en378 (6 replies)
  159. refrigeration circuit symbols (4 replies)
  160. Strange increase of efficiency (2 replies)
  161. cooling copper pipes after braizing (19 replies)
  162. Compressor Oil Charge (4 replies)
  163. hunting??? (3 replies)
  164. solar powered refrigeration R&D (2 replies)
  165. freezer maintenance (12 replies)
  166. A question about the pressure drop in coil . (20 replies)
  167. superheat help (5 replies)
  168. metres squared 'v' square metres (6 replies)
  169. Is this possible? (18 replies)
  170. Thermodynamics (10 replies)
  171. Superheat (24 replies)
  172. Compressor pumping efficiency (0 replies)
  173. Migrate Oil problem - Medium Refrigeration System (0 replies)
  174. Compressor's volume efficiency (0 replies)
  175. Can a home freezer maintain -23C/-10F (8 replies)
  176. Sight glass , Flashing ? (15 replies)
  177. Ambient and Condensing. (9 replies)
  178. Calculating properties of refrigerant blends (R507/R410A) (4 replies)
  179. System Design Pressures (11 replies)
  180. Urgent, Kirchoff question (4 replies)
  181. Regulation regarding hydrocarbons in an cascade (4 replies)
  182. Performance of liquid line dryers at -40C/-40F (15 replies)
  183. Building a small refrigerator (4 replies)
  184. multiple evaps (5 replies)
  185. cap tube (2 replies)
  186. Help to calculate Heat Exchancger (1 replies)
  187. what's the difference between the dry and flash type economizer? (1 replies)
  188. evaporator (2 replies)
  189. Water PT curve (4 replies)
  190. low ambient - low liquid level ? (5 replies)
  191. environmental protection act (2 replies)
  192. Entropy (1 replies)
  193. expention valve equalizer (19 replies)
  194. to visit (2 replies)
  195. enthalpy pressure diagram. (13 replies)
  196. Multiplex (4 replies)
  197. High pressure float expansion devices. (6 replies)
  198. What should superheat be on... (31 replies)
  199. About gas blend properties (how can high pressure components condense?) (17 replies)
  200. Current Research Topics (4 replies)
  201. Hot gas pipe sizing (1 replies)
  202. Fact or Fiction (40 replies)
  203. Relative Humidity Glycol Air Cooler (4 replies)
  204. TEV superheat setting and low temperatures (11 replies)
  205. How many small strands needed to equal pipe pressure drop? (17 replies)
  206. Brazing tungsten to brass: can it be done? (0 replies)
  207. Stainless To Copper Joint (14 replies)
  208. Cooling tower water pumps (1 replies)
  209. Danfoss AKV10 valves (18 replies)
  210. hvac &r university (2 replies)
  211. Pressure relief valve (18 replies)
  212. ***** System Pressure Relief (7 replies)
  213. gas evaporater fridge efficiency ? (4 replies)
  214. compressor coil (1 replies)
  215. Faulty Fridge/freezer (5 replies)
  216. How the refrigerator is less humid than outside (0 replies)
  217. Coil Air Off Temperature (0 replies)
  218. Liquid Receiver Calculations (6 replies)
  219. Horsepower = Tonnage (9 replies)
  220. Article in ACH&R News (8 replies)
  221. Powering a 1/3HP Compressor (6 replies)
  222. Online Technical Articles (0 replies)
  223. pressure drop of pump return line ammonia (5 replies)
  224. frost top construction ??? (174 replies)
  225. Looking for chiller info on the web.... (0 replies)
  226. Compressor Displacement (23 replies)
  227. Direct Energy Consumption Question (1 replies)
  228. Recirculations ammonia evaps (5 replies)
  229. Duct Size Help! (9 replies)
  230. ammonia evaporators (0 replies)
  231. Defrost hot glycol? (2 replies)
  232. Simple question (25 replies)
  233. Rebuilt truck refrigeration units (Carrier) (0 replies)
  234. Questions Ammonia evaporators (5 replies)
  235. R12 vs R134A (31 replies)
  236. Tin/Antimony Solder (1 replies)
  237. Noobie question.Evaporator Pressure. (8 replies)
  238. My Problem (9 replies)
  239. Power required in a compressor (3 replies)
  240. oversized filter/drier (4 replies)
  241. TEV - Pressure limiting element (6 replies)
  242. Oxy nozzles (9 replies)
  243. High air off (4 replies)
  244. basic refrigerator properties (8 replies)
  245. tev bulb in immersion well? (3 replies)
  246. Oil "foaming" with R-402B (6 replies)
  247. Refreshing memory (3 replies)
  248. Burn out procedures (13 replies)
  249. Tube staggered/squared (2 replies)
  250. R-value conversion (3 replies)