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  1. Clearance ?
  2. A/C Age
  3. Range hood vent pipe material
  4. Furnace mounted humidifier
  5. Condensation drain line
  6. Furnace age?
  7. Return Air and Fireplace too close
  8. AC Question
  9. Asbestos?
  10. Safety: what dangers do inspectors face inspecting oil-fired combustion appliances?
  11. Copper tubing
  12. XXth Century Zeph-air Furnace Age
  13. First 10 to reply win How to Inspecting HVAC Systems book. Merry Christmas.
  14. Exhaust Venting (help)
  15. HE intake & Exhaust
  16. Rust on Liquid Line
  17. HVAC return air and condensate line questions
  18. Cold air return
  19. What is it and what does it do???
  20. Wording for not testing AC in cold temperatures
  21. Heat Pump not performing like it should
  22. AC, onsite disconnect question
  23. Is this rust?
  24. Heater duct insulation ...question
  25. The Problem With Flexible B-Vents
  26. Condensate drain line
  27. Furnace Date Codes
  28. Heat Pump System Air Filter Returns
  29. Brine Stains on th
  30. AC condenser fan ran when thermostat was in heat mode on "fan" setting
  31. Armstrong Furnace Age?
  32. Appliance Connector Label Photo?
  33. Boiler explosion in Mass.
  34. Water Heater Vent Pipe Splice...
  35. CO testing
  36. No suction at return air vent
  37. Need some help on furnace age. Metzger / Milwaukee Thermoflow
  38. Condensate Pump, return distribution systems.
  39. Refrigerant line question
  40. Reconstructing model number
  41. Verifying Capacity
  42. Well Conditioned Attic
  43. Water heater flue - is this allowed?
  44. Quietside age?
  45. Weil-Mclain co water heater prob.
  46. Comfortstar unit
  47. 410A Condenser and R22 Evaporator Coil
  48. Return air
  49. Contractors don't read
  50. Testo 560
  51. No Maufucturer Name Listed
  52. Dead body
  53. Oil leakage observed at AC coolant line at bonnet -- too cold to run unit
  54. Gas line from meter to interior of home
  55. Todays gem
  56. Old American Standard boiler help
  57. Boiler vent
  58. Condensate discharge
  59. Rooftop a/c unit condensate discharge
  60. L vent to single wall?
  61. Flue Configuration
  62. Record high temps forcast for SoCal
  63. Condensate lines
  64. Acceptable?
  65. Who to refer?
  66. Help your AC with mist???
  67. Any other reason for burner wont stay lit?
  68. Combustion Analysis
  69. Do you measure Delta T?
  70. Goodman tonnage
  71. Exterior A/C condenser clearances
  72. Gas line in front of vent
  73. Chrysler Airtemp Blower Motor
  74. Failed Inducer Motor Replacement
  75. Another unsuspecting loose connection
  76. A loaded question # 2
  77. A loaded question
  78. Thorough HVAC inspection by HVAC technician
  79. Evaporator ages
  80. Purpose of vent??
  81. Testing Furnace and A/C
  82. Replacing diesel with gas furnace
  83. A plastic vent inquiry
  84. House built in 1971 - Do these ducts look like they contain asbestos ?
  85. Dryer Vent Length
  86. Furnace in closet
  87. Age of Furnace
  88. How to rewire furnace from stoneage
  89. Century Age
  90. Minimum clearance of baseboard
  91. How many gas vents into 6" flue?
  92. Metal Chimney Clearance
  93. Question For Ben Gromicko
  94. Is it worth replacing electric baseboard?
  95. Age please?
  96. HVAC wiring
  97. Is this pipe accectable for fireplace gas line?
  98. payne package unit
  99. Down Periscope or Crazy A/C Venting Gone Wrong?
  100. combustion air and exhaust appear merged
  101. Close the combustion air...
  102. Gas only fireplace hearth requirments
  103. Age Code App
  104. Ducts to fresh air
  105. Flex hose connected to fireplace manifild....Need advice
  106. Water heater vent ducting...need advice
  107. Does this Heater vent need a heat collar?
  108. Exposed chimney in bedroom
  109. David or Charley
  110. Venting Narrative
  111. AC differential temps
  112. What's Your Narrative on This One?
  113. Age of furnace
  114. secondary drain on a vertical unit
  115. Help With Geo-Thermal Heat Pump
  116. VERY humid AC air
  117. Exposed B-Vent in closet
  118. Need an opinion
  119. Unknown thingy on water heater
  120. Crane heating unit age?
  121. Hot water Boiler age (Bryant)
  122. Sidewall Vents in Vertical Position
  123. First For Me
  124. waterless traps
  125. HVAC Plumbing
  126. Old oil furnace
  127. Tempstar - Burner problems?
  128. Home Heating Oil Tanks. Another InterNACHI inspection-related article.
  129. best technique opinions
  130. Burn baby Burn!!
  131. Dryer vent screen
  132. Older Bard AC condenser
  133. Off Season Testing
  134. Maratherm AC tonnage and age
  135. Boiler in garage Part II
  136. Excessive moisture in exhaust pipe.
  137. When would a vent be required in a bathroom?
  138. Hot duct?
  139. breaker too large for AC
  140. Never seen this done before - stripped the outside off of flue
  141. Boiler / W/H in garage?
  142. CSA approved
  143. Anybody seen these yet?
  144. Need age of Miller Gas Furnace
  145. Need advice
  146. Need advice
  147. Help
  148. Broan
  149. One just for Charley
  150. Weil-McLain Boiler Age help requested
  151. Whats the problem?
  152. Geothermal
  153. Disconnected AC ducing....Need feedback
  154. only have seral #
  155. Is my A/C evaporator broken?
  156. Furnace Maintenance - Keep Your Furnace Clean!
  157. Do you thinks it will pass inspection?
  158. York age
  159. Roof top heat pump units
  160. Water trap?
  161. Age on Kewanee boiler
  162. air duct penetrating garage wall
  163. Furnace in attic
  164. Water filled ducting
  165. Maybe next time around......
  166. AAF
  167. disconnect for red package unit
  168. Mildew on mastic @ plenum 10 month home
  169. Fan A/C compressor
  170. Age of unit
  171. Gas Pack Unit
  172. Does any one know how to read this
  173. high humidity and floor lifting
  174. Ducane A/C Compressor age
  175. Heil - Intl Comfort
  176. Source to Determine HVAC Manufacture Date
  177. Coleman condenser age
  178. need to find age of free standing furnace
  179. New Roof...New Siding...New HVAC...
  180. Kelvinator Furnace age?
  181. Need code reference for AC condensate drain line
  182. Age and tonage of split central air unit handler
  183. Upper Element
  184. Cast iron Galaxy boiler age?
  185. Help with age
  186. Age of a Luxaire(?) Unit
  187. Age of Carrier A/H
  188. Help with Wiring
  189. Combination water heater/space heater
  190. Sharp-GE A/C recall
  191. Furnace exhaust
  192. Buderus date code
  193. How Old - Airtemp nat gas furnace?
  194. Air exchanger recall
  195. duct work
  196. Water Damaged surfaces within the HVAC return - do you test?
  197. Any chance this is not Asbestos ?
  198. Peerless boiler age
  199. another return air...
  200. Permits ignored. Re-do costs $$$. Whose fault?
  201. Code - Backup condensate drain line being plumbed to exterior
  202. Heat exchangers - visible defects
  203. A/C compressor fins?
  204. Age of Coleman AC
  205. What would you say about this vent placement?
  206. Age of Fedders unit.
  207. Cold air return duct placement
  208. Thermostat?
  209. InterNACHI HVAC Training Video (Indexed)
  210. A little rattle.........
  211. Furnace flue
  212. Age of air conditioners
  213. Partially Buried Oil Tank in Basement Question
  214. What is the Free Area of Register Covers?
  215. How not to install a return air
  216. Well head or fill pipe?
  217. I don't understand
  218. Heil oil furnace age
  219. WYE????
  220. Water Heater Exhaust Location with Furnace and Masonry Chimney
  221. Comfortmaker date of manufacture?
  222. Black soot in HE furnace vent
  223. Asbestos??
  224. Weil McLain CP Lookup
  225. Research into copper coils and pans
  226. Amana Furnace Age
  227. Should I run the AC?
  228. Furnace Age
  229. What is this thing in the return plenum box?
  230. Dryer vented into garage
  231. Armstrong eg6g100dc20-4 furnace problems
  232. Ducting Question....
  233. Checking the float switch
  234. Is the HRV part of the SOP
  235. Garage question
  236. exhaust pipe enlarged...a text book no-no
  237. Furnace exhaust too close to heat pump
  238. Attic upflow furnace
  239. TPR - pipe run...question
  240. Plugged and Clogged Condensate and A Coil
  241. Montgomery Ward Signature Age
  242. Need help today with geo thermal date
  243. Late model Westinghouse furnace age
  244. HVAC
  245. Age of units
  246. Mitsubishi Electic System
  247. Trane Heat Pump - right choice for Illinois?
  248. Brock Elite Air Oil furnace
  249. Refrigerant Locking Caps
  250. Condensation Line