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  1. Flex hose connected to fireplace manifild....Need advice
  2. Water heater vent ducting...need advice
  3. Does this Heater vent need a heat collar?
  4. Exposed chimney in bedroom
  5. David or Charley
  6. Venting Narrative
  7. AC differential temps
  8. What's Your Narrative on This One?
  9. Age of furnace
  10. secondary drain on a vertical unit
  11. Help With Geo-Thermal Heat Pump
  12. VERY humid AC air
  13. Exposed B-Vent in closet
  14. Need an opinion
  15. Unknown thingy on water heater
  16. Crane heating unit age?
  17. Hot water Boiler age (Bryant)
  18. Sidewall Vents in Vertical Position
  19. First For Me
  20. waterless traps
  21. HVAC Plumbing
  22. Old oil furnace
  23. Tempstar - Burner problems?
  24. Home Heating Oil Tanks. Another InterNACHI inspection-related article.
  25. best technique opinions
  26. Burn baby Burn!!
  27. Dryer vent screen
  28. Older Bard AC condenser
  29. Off Season Testing
  30. Maratherm AC tonnage and age
  31. Boiler in garage Part II
  32. Excessive moisture in exhaust pipe.
  33. When would a vent be required in a bathroom?
  34. Hot duct?
  35. breaker too large for AC
  36. Never seen this done before - stripped the outside off of flue
  37. Boiler / W/H in garage?
  38. CSA approved
  39. Anybody seen these yet?
  40. Need age of Miller Gas Furnace
  41. Need advice
  42. Need advice
  43. Help
  44. Broan
  45. One just for Charley
  46. Weil-McLain Boiler Age help requested
  47. Whats the problem?
  48. Geothermal
  49. Disconnected AC ducing....Need feedback
  50. only have seral #
  51. Is my A/C evaporator broken?
  52. Furnace Maintenance - Keep Your Furnace Clean!
  53. Do you thinks it will pass inspection?
  54. York age
  55. Roof top heat pump units
  56. Water trap?
  57. Age on Kewanee boiler
  58. air duct penetrating garage wall
  59. Furnace in attic
  60. Water filled ducting
  61. Maybe next time around......
  62. AAF
  63. disconnect for red package unit
  64. Mildew on mastic @ plenum 10 month home
  65. Fan A/C compressor
  66. Age of unit
  67. Gas Pack Unit
  68. Does any one know how to read this
  69. high humidity and floor lifting
  70. Ducane A/C Compressor age
  71. Heil - Intl Comfort
  72. Source to Determine HVAC Manufacture Date
  73. Coleman condenser age
  74. need to find age of free standing furnace
  75. New Roof...New Siding...New HVAC...
  76. Kelvinator Furnace age?
  77. Need code reference for AC condensate drain line
  78. Age and tonage of split central air unit handler
  79. Upper Element
  80. Cast iron Galaxy boiler age?
  81. Help with age
  82. Age of a Luxaire(?) Unit
  83. Age of Carrier A/H
  84. Help with Wiring
  85. Combination water heater/space heater
  86. Sharp-GE A/C recall
  87. Furnace exhaust
  88. Buderus date code
  89. How Old - Airtemp nat gas furnace?
  90. Air exchanger recall
  91. duct work
  92. Water Damaged surfaces within the HVAC return - do you test?
  93. Any chance this is not Asbestos ?
  94. Peerless boiler age
  95. another return air...
  96. Permits ignored. Re-do costs $$$. Whose fault?
  97. Code - Backup condensate drain line being plumbed to exterior
  98. Heat exchangers - visible defects
  99. A/C compressor fins?
  100. Age of Coleman AC
  101. What would you say about this vent placement?
  102. Age of Fedders unit.
  103. Cold air return duct placement
  104. Thermostat?
  105. InterNACHI HVAC Training Video (Indexed)
  106. A little rattle.........
  107. Furnace flue
  108. Age of air conditioners
  109. Partially Buried Oil Tank in Basement Question
  110. What is the Free Area of Register Covers?
  111. How not to install a return air
  112. Well head or fill pipe?
  113. I don't understand
  114. Heil oil furnace age
  115. WYE????
  116. Water Heater Exhaust Location with Furnace and Masonry Chimney
  117. Comfortmaker date of manufacture?
  118. Black soot in HE furnace vent
  119. Asbestos??
  120. Weil McLain CP Lookup
  121. Research into copper coils and pans
  122. Amana Furnace Age
  123. Should I run the AC?
  124. Furnace Age
  125. What is this thing in the return plenum box?
  126. Dryer vented into garage
  127. Armstrong eg6g100dc20-4 furnace problems
  128. Ducting Question....
  129. Checking the float switch
  130. Is the HRV part of the SOP
  131. Garage question
  132. exhaust pipe enlarged...a text book no-no
  133. Furnace exhaust too close to heat pump
  134. Attic upflow furnace
  135. TPR - pipe run...question
  136. Plugged and Clogged Condensate and A Coil
  137. Montgomery Ward Signature Age
  138. Need help today with geo thermal date
  139. Late model Westinghouse furnace age
  140. HVAC
  141. Age of units
  142. Mitsubishi Electic System
  143. Trane Heat Pump - right choice for Illinois?
  144. Brock Elite Air Oil furnace
  145. Refrigerant Locking Caps
  146. Condensation Line
  147. Attic air handler installation
  148. steam pipe as heat source?
  149. Downdraft furnace question
  150. Geothermal - GFCI
  151. line size question
  152. Goodman Heat Pump or AC?
  153. Frosty ref. line at ev. coil?
  154. Unusual HVAC Vent
  155. Strange filter
  156. I do not see these too often
  157. R-410a
  158. a bit off topic...
  159. Testing HVAC equipment
  160. 2008 4 ton
  161. HVAC information
  162. Less than desirable supply air
  163. Electric furnace breaker
  164. What air exchanger filter in the attic/ Quel filtre de l'échangeur d'air au grenier?
  165. winchester furnace not working
  166. Anything wrong here??
  167. Compressor Disconnect Distance
  168. Need Date of Lennox Co Furnace (SR? 00 or 01 ?)
  169. Weil McLain Hot Water Boiler Age
  170. Does this scare you
  171. Advertised as Ice Cold AC!
  172. Just when you think you've seen it all...
  173. Armstron Heat Pump Age/Size
  174. VERY Old Furnace
  175. Olsen age
  176. pvc used as dryer vent
  177. Boiler date of manufacture
  178. Sorry, another furnace age help required
  179. Fedders AC Age
  180. HE furnace intake pipe in attic
  181. Argh! HEIL indoor electric unit needs info! age, etc
  182. Interesting Information
  183. Borg-Warner furnace age
  184. Heat Pump Garage Attic
  185. Barometric Damper
  186. Gas wood stove venting
  187. Exhaust termination ?
  188. Fireplace insert question?
  189. Is this a good idea for make up air?
  190. Acceptable Furnace Install in Sealed (foamed) attic
  191. Combustion air?
  192. Flex heating duct clearance
  193. Furnace age chart not correct?
  194. 13 or 14 SEER?
  195. Rust on metal chimney
  196. What are these for?
  197. funky heating duct
  198. Help with age please
  199. garage furnace
  200. Find the date of Air conditioners
  201. Age of Coleman gas furnace and Fedders A/C
  202. Damage from an unplugged condensate pump.
  203. Luxaire heater age?
  204. Bathroom fan vented to attic
  205. What is wrong with this picture
  206. Drain lines for HVAC
  207. Prelist inspection surprise
  208. Trane XE 1000 AC condenser
  209. AC Unit Help with age
  210. Boiler Age
  211. Steam Boiler Age
  212. Grimsby Oil Furnace age
  213. Check out the flame on this bad boy
  214. I need help!
  215. Humidifier Mounting Location
  216. When a high-efficiency condensing furnace is operating...
  217. '71 Bryant gas furnace still in operation
  218. HVAC Certification Form
  219. What do you think of this CSST safety checklist?
  220. Flame roll out
  221. Todays Inspection
  222. Very old apt bldg heating system questions
  223. Vents on roof,
  224. Age of GE compressor
  225. Three LP into one flue
  226. Blower size for a York
  227. Fraser Johnston Furnace Age
  228. Magic Chef furnace age/efficiency & upgrade advice needed
  229. Old TPR valve?
  230. Weil-McLain Boiler
  231. Poor line sizing?
  232. Heat pump drain over bathtub?
  233. Yesterday's inspection
  234. Ameri-Therm Vent Damper
  235. Furnace age please
  236. Heat lamp in bath
  237. Roofers...
  238. HVAC Disconnect
  239. What to do with a blocked condensate drain line
  240. Cause of this?
  241. Sizing A/C Units and Ducts
  242. Wood Pellet Stove Installation
  243. Manufacture date needed
  244. Trane Heat Pump
  245. too close for comfort
  246. Thermostat recall.. possible fire hazard
  247. Condo crawl space dilemma drags on...
  248. Amana Furnace Age
  249. New preview of NACHI.TV HVAC course released.
  250. Wood stove problem????