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  1. First 10 to reply win Inspecting HVAC Systems book (hard copies).
  2. Heat Pump Testing
  3. Why use duct tape when...
  4. Furnace condensate drain terminates onto crawlspace floor.
  5. Necessary to note supply legs without dampers ?
  6. Boiler
  7. Pellet Stove vent
  8. Crown boiler recall
  9. Add on Chimney
  10. Oil tank in Crawlspace
  11. need age/size for Goettl HP
  12. International sales company furnace
  13. Dunkirk Boiler manufactured for Montgomery Ward
  14. Geo-thermal HVAC, do you inspect or not
  15. Age of Goodman AC
  16. Cracked heat exchanger?
  17. Would you comment on this
  18. Attic vent fan
  19. New online "How to Inspect Fireplaces, Stoves, and Chimneys" course for inspectors
  20. Duct work SNAFU
  21. Need help, age of GE furnace
  22. Furnace room ventilation
  23. Crawlspace Heating
  24. Cold air return attached to exterior vent
  25. Old Lennox
  26. The Hidden Dangers Lurking Within the HVAC System
  27. Vent Free Gas Log in Wood Fireplace
  28. Keeping ahead of the curve
  29. Checking Heat Pump in heating mode when its 80 degrees outside?
  30. Looking up of a A/C unit
  31. I did it again
  32. Pellet stove exhaust
  33. Exhaust air near heat pump
  34. Conductor and HVAC Breaker Compatibility
  35. Boiler age
  36. Unvented Crawl Space
  37. Chimney flue clearance to wall
  38. Air Return Vent
  39. Trinity Ti150 Troubleshoot
  40. Abandoned gas furnace in crawlspace
  41. New, Third Edition of Inspecting HVAC Systems book.
  42. Another mess
  43. Ventilation System Canadian Style
  44. What in your opinion
  45. HVAC UV devices
  46. Do you call this for repairs
  47. Open return (wet basemet) (toilet)
  48. Hvac height in garage
  49. direct vent furnace
  50. Don't assume???????
  51. Weil Mclain Cp lookup tool
  52. Fresh air intake question
  53. What do folks see wrong?
  54. 750 square foot condo...2 1/2 ton AC with 75,000 btu gas furnace
  55. Is this fan on a vent motor cracked or typical
  56. year of unit
  57. What is the tonnage of this Ruud .
  58. date this furnace
  59. Physical Damage - But keeping the house cool...Need advice
  60. Ductwork
  61. Poor cooling for new Puron AC unit or just the way some of them work?
  62. Inspecting Heat Pumps
  63. Breaker Size
  64. Low Freon or leakage
  65. Furnace intake not outside.
  66. Direct Vent pipe inside cold ait return
  67. Fire Block?
  68. Amp rating on AC unit.
  69. Old Rheem. AHU Inop. Did I...
  70. determining seer?
  71. Excessive Mildew Exterior of Plenum - 6 Year Old House
  72. 101 outside ambient
  73. Condensation on duct in crawlspace
  74. Poisiones gas escaping
  75. First time I've seen this...
  76. Intake air to furnace
  77. short of combustion air?
  78. Pellet burner as main heat source?
  79. What to do What to do
  80. Advanced HVAC video training for home inspctors on USB drive.
  81. Flex furnace vent connector
  82. Tuesdays brain twister
  83. Freshair supply for electric furnace
  84. Duct Connected to Chimney
  85. Thoughts
  86. bypassing a thermo stat
  87. Another use for secondary drain
  88. Propane tank clearance from overhead heating vent
  89. Hearth requirement pellet stove?
  90. Charley B or David A
  91. Old oil burner furnace abandoned in crawlspace
  92. Power vent + direct vent?
  93. Age of Fedders unit.
  94. Vent for floor heater
  95. Air Handler rating
  96. Gas Firplace fog
  97. Fujitsu Mini Split
  98. HVAC Question
  99. Carrier Size
  100. Gibson/Nordyne ?
  101. Haier Condenser Manufacture Date
  102. Plastic Gas pipe in furnace room
  103. Flue exhaust in chimney for furnace
  104. Is this right?
  105. Dating a Goodman
  106. furnace date for Air ease?
  107. Is a drip leg required on a gas line to the furnace or the water heater in Calif?
  108. Appliance Date
  109. Never had this...
  110. Exhaust/intake vent under a deck
  111. Did I break it? ...Heat pump
  112. Heat pump
  113. Thermostats that make a clicking noise
  114. Green Ductwork
  115. Condensate drain
  116. Blower assembly at termination of dryer duct...
  117. Dornback Furnace
  118. Sweating
  119. Which outside ac unit went where?
  120. Ac Date?
  121. Poor cooling, not very old outside unit evidently performed well
  122. Dampers in Heat Ducts
  123. Unusual Venting
  124. Malibu Slant/Fin Boiler Age?
  125. How old am I?
  126. HVAC unit - air blowing out of cabinet
  127. electric baseboard heater
  128. Furnace room door opens in
  129. Clare furnace age
  130. Trane System Blower Motor
  131. Unreadable Data Plates
  132. PVC Dryer Vent
  133. Electric Water Heater
  134. Electric Water Heater
  135. Need help dating Water Furnace Geothermal
  136. Florida Heat Pump Question
  137. 1967 Electrical furnace
  138. Temperature differential
  139. Why Would There Be A Hot Spot On This Furnace?
  140. What are these parts on a boiler?
  141. Screw in the cooper pipe of the boiler???
  142. Service switch
  143. Furnace burn
  144. Not for Larson's eyes
  145. GE HVAC Date Code - age needed?
  146. Soot-like ceiling marks
  147. Through wall mold ac
  148. Water Heater Flue set up
  149. HVAC with plastic exhaust vent pipe ... need advice, Pics incuded
  150. Oversized
  151. Painted furnace flue?
  152. Suspected asbestos
  153. Red flags for central split systems
  154. Need Some Help With The Age Of An American Standard Boiler Please
  155. Intake
  156. Singer a.c.
  157. High rise condo HVAC question
  158. Corrugated plastic water heater flue? Lochinvar DVN040-1 unit
  159. Plastic for furnace....vent ducting
  160. AHIT Opinion On Inspecting Air Cooled AC's
  161. Scorch marks
  162. humming sound
  163. Lennox pulse
  164. Drywall separating the enclosure from the Attic
  165. Special Thanks from the Building Intelligence Center
  166. And the winner is....
  167. Burnt my arm
  168. Btu output
  169. Age of Day and night furnace
  170. Heat pump AHU
  171. Message Board responses
  172. Shared venting
  173. Gas Fireplace using Class A vent
  174. Amana Heat pump age...9601275433
  175. Age for Florida Heat Pump (FHP)
  176. mor-flo air heater age
  177. Tell me what you see or would tell your client
  178. Boiler Question
  179. New, free, downloadable HVAC Inspector logo.
  180. I'm no HVAC tech...
  181. Boiler
  182. Floridians learning about boilers?
  183. Interesting statistic about CO deaths
  184. Crystals in vent.
  185. Water Heater Tied into Boiler
  186. Small vent
  187. Type B vent termination question
  188. What is this for? Fresh air intake or exhaust?
  189. Age of GWA boiler
  190. Spray Foam and Fiberglass Insulation
  191. Patio Enclosure distribution
  192. Odd stack of appliances
  193. Crane Air Handler Age
  194. Inline Duct Fans
  195. Sidewall venting height requirements
  196. Bosch FHP Age
  197. Humidifier ?
  198. High Efficiency Gas furnace Vent
  199. Heat pump
  200. What do you say about this??
  201. Anybody help with the filter on this HVAC system?
  202. Need to identify age of an Amana A/C Condenser
  203. Air handler drip pan
  204. Air handler support
  205. York condenser age? Old for house....
  206. Call it out or not?
  207. Refrigerant line coil
  208. Gas Furnace/Water Heater Vent Issue?
  209. Heat pump
  210. How Do You Determine if Radiant Heat is Working
  211. Hydrotherm boiler age?
  212. See anything?
  213. Need help identifying age and size of Weather King Air Handler
  214. Rheem furnaces
  215. Furnace performing as intended
  216. Water Furnace age and TPR question
  217. Compressor covers
  218. Help needed with oil burner vent
  219. 4 appliances into 1 vent
  220. Open Vent?
  221. Question about gas furnace I inspected yesterday
  222. Ice on B-vent
  223. Just put the flue.....right there
  224. Furnace Date Help
  225. hydronic forced air furnace?
  226. Laars boiler in crawlspace
  227. Total Cluster ???????
  228. New InterNACHI article: Homeowner Maintenance: Changing the HVAC Filter.
  229. U.S. drops rule requiring more efficient furnaces
  230. No inspection today?
  231. Chaaaarleeeey
  232. An Apparent Short?
  233. Amp draw
  234. HE and WH power vent <18" from electric meter
  235. Furnace chimney?
  236. High eff furnace flue
  237. Ghosts?
  238. Lennox Furnace
  239. Unitary AC
  240. Second furnace in garage with register?
  241. What are these?
  242. Inspecting air flow balance
  243. Updated InterNACHI Gallery graphic of the expansion tanks for the boiler system
  244. Lennox Equipment Nomenclature
  245. Have you seen this heater attachment?
  246. Flue Venting Gone Wild
  247. Make up on externally vented furnace?
  248. Miller Air Handler age?
  249. Heat Exchanger
  250. Exterior of HVAC - Attic ducting...coming apart...Need advice