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  1. Condensate drain
  2. Blower assembly at termination of dryer duct...
  3. Dornback Furnace
  4. Sweating
  5. Which outside ac unit went where?
  6. Ac Date?
  7. Poor cooling, not very old outside unit evidently performed well
  8. Dampers in Heat Ducts
  9. Unusual Venting
  10. Malibu Slant/Fin Boiler Age?
  11. How old am I?
  12. HVAC unit - air blowing out of cabinet
  13. electric baseboard heater
  14. Furnace room door opens in
  15. Clare furnace age
  16. Trane System Blower Motor
  17. Unreadable Data Plates
  18. PVC Dryer Vent
  19. Electric Water Heater
  20. Electric Water Heater
  21. Need help dating Water Furnace Geothermal
  22. Florida Heat Pump Question
  23. 1967 Electrical furnace
  24. Temperature differential
  25. Why Would There Be A Hot Spot On This Furnace?
  26. What are these parts on a boiler?
  27. Screw in the cooper pipe of the boiler???
  28. Service switch
  29. Furnace burn
  30. Not for Larson's eyes
  31. GE HVAC Date Code - age needed?
  32. Soot-like ceiling marks
  33. Through wall mold ac
  34. Water Heater Flue set up
  35. HVAC with plastic exhaust vent pipe ... need advice, Pics incuded
  36. Oversized
  37. Painted furnace flue?
  38. Suspected asbestos
  39. Red flags for central split systems
  40. Need Some Help With The Age Of An American Standard Boiler Please
  41. Intake
  42. Singer a.c.
  43. High rise condo HVAC question
  44. Corrugated plastic water heater flue? Lochinvar DVN040-1 unit
  45. Plastic for furnace....vent ducting
  46. AHIT Opinion On Inspecting Air Cooled AC's
  47. Scorch marks
  48. humming sound
  49. Lennox pulse
  50. Drywall separating the enclosure from the Attic
  51. Special Thanks from the Building Intelligence Center
  52. And the winner is....
  53. Burnt my arm
  54. Btu output
  55. Age of Day and night furnace
  56. Heat pump AHU
  57. Message Board responses
  58. Shared venting
  59. Gas Fireplace using Class A vent
  60. Amana Heat pump age...9601275433
  61. Age for Florida Heat Pump (FHP)
  62. mor-flo air heater age
  63. Tell me what you see or would tell your client
  64. Boiler Question
  65. New, free, downloadable HVAC Inspector logo.
  66. I'm no HVAC tech...
  67. Boiler
  68. Floridians learning about boilers?
  69. Interesting statistic about CO deaths
  70. Crystals in vent.
  71. Water Heater Tied into Boiler
  72. Small vent
  73. Type B vent termination question
  74. What is this for? Fresh air intake or exhaust?
  75. Age of GWA boiler
  76. Spray Foam and Fiberglass Insulation
  77. Patio Enclosure distribution
  78. Odd stack of appliances
  79. Crane Air Handler Age
  80. Inline Duct Fans
  81. Sidewall venting height requirements
  82. Bosch FHP Age
  83. Humidifier ?
  84. High Efficiency Gas furnace Vent
  85. Heat pump
  86. What do you say about this??
  87. Anybody help with the filter on this HVAC system?
  88. Need to identify age of an Amana A/C Condenser
  89. Air handler drip pan
  90. Air handler support
  91. York condenser age? Old for house....
  92. Call it out or not?
  93. Refrigerant line coil
  94. Gas Furnace/Water Heater Vent Issue?
  95. Heat pump
  96. How Do You Determine if Radiant Heat is Working
  97. Hydrotherm boiler age?
  98. See anything?
  99. Need help identifying age and size of Weather King Air Handler
  100. Rheem furnaces
  101. Furnace performing as intended
  102. Water Furnace age and TPR question
  103. Compressor covers
  104. Help needed with oil burner vent
  105. 4 appliances into 1 vent
  106. Open Vent?
  107. Question about gas furnace I inspected yesterday
  108. Ice on B-vent
  109. Just put the flue.....right there
  110. Furnace Date Help
  111. hydronic forced air furnace?
  112. Laars boiler in crawlspace
  113. Total Cluster ???????
  114. New InterNACHI article: Homeowner Maintenance: Changing the HVAC Filter.
  115. U.S. drops rule requiring more efficient furnaces
  116. No inspection today?
  117. Chaaaarleeeey
  118. An Apparent Short?
  119. Amp draw
  120. HE and WH power vent <18" from electric meter
  121. Furnace chimney?
  122. High eff furnace flue
  123. Ghosts?
  124. Lennox Furnace
  125. Unitary AC
  126. Second furnace in garage with register?
  127. What are these?
  128. Inspecting air flow balance
  129. Updated InterNACHI Gallery graphic of the expansion tanks for the boiler system
  130. Lennox Equipment Nomenclature
  131. Have you seen this heater attachment?
  132. Flue Venting Gone Wild
  133. Make up on externally vented furnace?
  134. Miller Air Handler age?
  135. Heat Exchanger
  136. Exterior of HVAC - Attic ducting...coming apart...Need advice
  137. Fireplace
  138. Watched exchanger being inspected
  139. Insulated ducting
  140. Age for Dayton furnace needed.
  141. Help with furnace age
  142. Age of "Water Furnace" Geo-Thermal Heat-Pumps
  143. Signature Manufactured for Montgomery Ward
  144. Heat pump flow
  145. HVAC
  146. heat pump cycling before reaching set point
  147. Temp-O-Matic Furnace Age
  148. baseboard heaters
  149. Single Wall vent pipe question
  150. condenser platform
  151. Heat Pump moisture
  152. Heat pump or not!!
  153. High efficiency furnace vent
  154. Need Armstrong furnace age
  155. Wards Heater age
  156. Furnace flue wind cap ?
  157. Heat pumps what is wrong with this pic
  158. York Help
  159. Un-capped vent...does it need a cap ?
  160. What age is this
  161. Venting
  162. turning on gas
  163. Homemade AC System
  164. Would you write this up
  165. Does anyone know what this is?
  166. CO Gas Detectors and Analyzers for home inspections
  167. HRV trumps "fan only" mode?
  168. American Standard/Trane Furnace age please?
  169. Trane Aux. Heat ran for 2 hrs.
  170. York age please
  171. Drops per run of supply air duct
  172. Defective chimney
  173. 2 AC units and 1 air handler
  174. Duct from supply to return
  175. Underground oil storage tank
  176. Anybody offer acid tests to refrigerant systems?
  177. Furnace adequecy
  178. Heating System Shut Off Switch Location
  179. Furnace backdrafting into home.
  180. Duomatic Olsen furnace age??
  181. Valve in condensate line.
  182. Vacations
  183. Need some advice
  184. Mismatched System
  185. under pressure.
  186. Soffit venting for bath fan OK?
  187. Ancient Space Heater
  188. PVC 40 fittings used for HE furnace vent
  189. AC older than House?
  190. NACHI.TV releases free online training video "Find the Crack in the Heat Exchanger"
  191. how old is this furnace?
  192. LP Gas Tank at Window
  193. AC reset question
  194. Heat exchanger inspections
  195. Air Return question
  196. positive pressure
  197. ABS acceptable for combustion vent
  198. Heil Air Handler Size Help
  199. Heat Exchanger?
  200. geothermal heat/cool
  201. Mercury Thermostat
  202. Secondary condensation Cap question
  203. Defective Installation HVAC
  204. How many tons are needed?
  205. Help Identify
  206. Dryer Vent Pipe
  207. New use for Cicken Pot Pie Pan
  208. Water htr close to furnace
  209. National US Radiator
  210. Boiler noise?
  211. Hot spots on A/C?
  212. Say Good by to bulky RTU's
  213. Old
  214. What is the Manufacture
  215. Water Heater vent pipe connection...Need advice
  216. Air returns in wall chases
  217. Looks like a painted Transite duct vent running thru the Bedroom closet
  218. Need help with condenser/date
  219. The NEST Thermostat-Inspect HVAC
  220. Condo gong show, How should I go about mending this one?
  221. Solution for cold showers
  222. Hot water heating loop
  223. Heat exchanger reporting suggestion
  224. Trane furnace age help.
  225. Above and below ground oil tank testing
  226. This is a TEST
  227. Bent Suction Line
  228. Gas Absorbtion Heat Pump?
  229. Electric Baseboard in Attic
  230. Age of a Lennox Heat Pump
  231. Water Heater Vent Pipe...need help
  232. Tool Question
  233. Williamson Forced Air Furnace Age Help
  234. One heat pump system ten A-Coils
  235. crawlspace fans
  236. Flexible water heater vent pipe
  237. Fire pit in the backyard.....Question
  238. A/C Condensate Connection into Drain
  239. Geothermal Heat Pump Damper Question
  240. Nice set up
  241. Asbestos...
  242. A/C unit 37 years old
  243. Age of SEARS furnace
  244. Another AC unit stolen
  245. Attic furnace gas line hard-piped
  246. Furnace Age
  247. I want to make a Tankless Water Heater Template...Need help
  248. Dinosaur Boiler
  249. Condensate drain lines
  250. Coils