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  1. New Roof...New Siding...New HVAC...
  2. Kelvinator Furnace age?
  3. Need code reference for AC condensate drain line
  4. Age and tonage of split central air unit handler
  5. Upper Element
  6. Cast iron Galaxy boiler age?
  7. Help with age
  8. Age of a Luxaire(?) Unit
  9. Age of Carrier A/H
  10. Help with Wiring
  11. Combination water heater/space heater
  12. Sharp-GE A/C recall
  13. Furnace exhaust
  14. Buderus date code
  15. How Old - Airtemp nat gas furnace?
  16. Air exchanger recall
  17. duct work
  18. Water Damaged surfaces within the HVAC return - do you test?
  19. Any chance this is not Asbestos ?
  20. Peerless boiler age
  21. another return air...
  22. Permits ignored. Re-do costs $$$. Whose fault?
  23. Code - Backup condensate drain line being plumbed to exterior
  24. Heat exchangers - visible defects
  25. A/C compressor fins?
  26. Age of Coleman AC
  27. What would you say about this vent placement?
  28. Age of Fedders unit.
  29. Cold air return duct placement
  30. Thermostat?
  31. InterNACHI HVAC Training Video (Indexed)
  32. A little rattle.........
  33. Furnace flue
  34. Age of air conditioners
  35. Partially Buried Oil Tank in Basement Question
  36. What is the Free Area of Register Covers?
  37. How not to install a return air
  38. Well head or fill pipe?
  39. I don't understand
  40. Heil oil furnace age
  41. WYE????
  42. Water Heater Exhaust Location with Furnace and Masonry Chimney
  43. Comfortmaker date of manufacture?
  44. Black soot in HE furnace vent
  45. Asbestos??
  46. Weil McLain CP Lookup
  47. Research into copper coils and pans
  48. Amana Furnace Age
  49. Should I run the AC?
  50. Furnace Age
  51. What is this thing in the return plenum box?
  52. Dryer vented into garage
  53. Armstrong eg6g100dc20-4 furnace problems
  54. Ducting Question....
  55. Checking the float switch
  56. Is the HRV part of the SOP
  57. Garage question
  58. exhaust pipe enlarged...a text book no-no
  59. Furnace exhaust too close to heat pump
  60. Attic upflow furnace
  61. TPR - pipe run...question
  62. Plugged and Clogged Condensate and A Coil
  63. Montgomery Ward Signature Age
  64. Need help today with geo thermal date
  65. Late model Westinghouse furnace age
  66. HVAC
  67. Age of units
  68. Mitsubishi Electic System
  69. Trane Heat Pump - right choice for Illinois?
  70. Brock Elite Air Oil furnace
  71. Refrigerant Locking Caps
  72. Condensation Line
  73. Attic air handler installation
  74. steam pipe as heat source?
  75. Downdraft furnace question
  76. Geothermal - GFCI
  77. line size question
  78. Goodman Heat Pump or AC?
  79. Frosty ref. line at ev. coil?
  80. Unusual HVAC Vent
  81. Strange filter
  82. I do not see these too often
  83. R-410a
  84. a bit off topic...
  85. Testing HVAC equipment
  86. 2008 4 ton
  87. HVAC information
  88. Less than desirable supply air
  89. Electric furnace breaker
  90. What air exchanger filter in the attic/ Quel filtre de l'échangeur d'air au grenier?
  91. winchester furnace not working
  92. Anything wrong here??
  93. Compressor Disconnect Distance
  94. Need Date of Lennox Co Furnace (SR? 00 or 01 ?)
  95. Weil McLain Hot Water Boiler Age
  96. Does this scare you
  97. Advertised as Ice Cold AC!
  98. Just when you think you've seen it all...
  99. Armstron Heat Pump Age/Size
  100. VERY Old Furnace
  101. Olsen age
  102. pvc used as dryer vent
  103. Boiler date of manufacture
  104. Sorry, another furnace age help required
  105. Fedders AC Age
  106. HE furnace intake pipe in attic
  107. Argh! HEIL indoor electric unit needs info! age, etc
  108. Interesting Information
  109. Borg-Warner furnace age
  110. Heat Pump Garage Attic
  111. Barometric Damper
  112. Gas wood stove venting
  113. Exhaust termination ?
  114. Fireplace insert question?
  115. Is this a good idea for make up air?
  116. Acceptable Furnace Install in Sealed (foamed) attic
  117. Combustion air?
  118. Flex heating duct clearance
  119. Furnace age chart not correct?
  120. 13 or 14 SEER?
  121. Rust on metal chimney
  122. What are these for?
  123. funky heating duct
  124. Help with age please
  125. garage furnace
  126. Find the date of Air conditioners
  127. Age of Coleman gas furnace and Fedders A/C
  128. Damage from an unplugged condensate pump.
  129. Luxaire heater age?
  130. Bathroom fan vented to attic
  131. What is wrong with this picture
  132. Drain lines for HVAC
  133. Prelist inspection surprise
  134. Trane XE 1000 AC condenser
  135. AC Unit Help with age
  136. Boiler Age
  137. Steam Boiler Age
  138. Grimsby Oil Furnace age
  139. Check out the flame on this bad boy
  140. I need help!
  141. Humidifier Mounting Location
  142. When a high-efficiency condensing furnace is operating...
  143. '71 Bryant gas furnace still in operation
  144. HVAC Certification Form
  145. What do you think of this CSST safety checklist?
  146. Flame roll out
  147. Todays Inspection
  148. Very old apt bldg heating system questions
  149. Vents on roof,
  150. Age of GE compressor
  151. Three LP into one flue
  152. Blower size for a York
  153. Fraser Johnston Furnace Age
  154. Magic Chef furnace age/efficiency & upgrade advice needed
  155. Old TPR valve?
  156. Weil-McLain Boiler
  157. Poor line sizing?
  158. Heat pump drain over bathtub?
  159. Yesterday's inspection
  160. Ameri-Therm Vent Damper
  161. Furnace age please
  162. Heat lamp in bath
  163. Roofers...
  164. HVAC Disconnect
  165. What to do with a blocked condensate drain line
  166. Cause of this?
  167. Sizing A/C Units and Ducts
  168. Wood Pellet Stove Installation
  169. Manufacture date needed
  170. Trane Heat Pump
  171. too close for comfort
  172. Thermostat recall.. possible fire hazard
  173. Condo crawl space dilemma drags on...
  174. Amana Furnace Age
  175. New preview of NACHI.TV HVAC course released.
  176. Wood stove problem????
  177. Gas leak detector
  178. A/C duct mastic
  179. Clothes Dryer Vent
  180. Boiler vent question
  181. Age please?
  182. kitchen exhaust/AC return
  183. Older GE electric furnace age
  184. Open Window due to....
  185. dryer booster fan requirement lifted?
  186. Rheem Heat Pump Age
  187. Furnace Vent
  188. Drip leg
  189. capping Furnace Vent
  190. Age of Comfortmaker furnace
  191. Does an electric water heater require earthquake straps
  192. Does anyone remember.....
  193. Age of Mueller Climatrol?
  194. Whats the age of this Quantum- Dunkirk Boiler?
  195. Is this reasonable?
  196. What wire size and breaker for heater???
  197. First Company heater age?
  198. Just Corious
  199. New Install Questions
  200. water heater vent drafting issue
  201. Age of Red T Coil Furnace
  202. Age please?
  203. Need alittle help
  204. HELP!!!!
  205. Can someone please HELP!!!
  206. Age of Lennox A/C unit
  207. Intertherm unit's age is 1994?
  208. Air Handler
  209. HRV Installation
  210. Gas Fireplace Exterior Wall Exhaust
  211. Age please?
  212. Geothermal system inspection needed in Virginia. Anyone want this inspection?
  213. Water heater vent pipe...Question
  214. Flex Gas pipe to the boiler
  215. Help on age of Bryant furnace
  216. Disclosure said 10 years old
  217. Age help on Singer?
  218. Metal plate over the Furnace filter... Question
  219. Temperature range to operate HVAC equipment
  220. Condensing units reduced to glorified rabbit cages
  221. Age of Dunkirk boiler (steam)
  222. Air condition within sight of disconnect.
  223. What type of insulation is this??
  224. cold high pres line
  225. Age please?
  226. Chimney liner
  227. Material on HVAC Ducts
  228. Condo Conditioned Crawlspaces - Ventilation?
  229. What is going on here?
  230. What kind of system is this?
  231. CSS info
  232. Fire Blocking Furnace and Water Heaters
  233. Fujitsu mini split age
  234. Overheated AC disconnect
  235. A/C age
  236. Age of century air conditioner serial number BS318282044X
  237. Flexible Vent Connector
  238. Older ducting..good air flow...question
  239. Duct configuration
  240. How severe might the consequences be?
  241. Type B and Type L Vent Inspection. Another inspection article from InterNACHI.
  242. Air filtration
  243. Temperture that you do not turn on AC ..question
  244. Condensate Drainage
  245. Help please with age
  246. 2 Vents into 1
  247. Explain this to your client
  248. Age of YORK AC & Furnace
  249. Recommended bypass humidifiers?
  250. Combustion Air