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