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  1. Plastic Gas pipe in furnace room
  2. Flue exhaust in chimney for furnace
  3. Is this right?
  4. Dating a Goodman
  5. furnace date for Air ease?
  6. Is a drip leg required on a gas line to the furnace or the water heater in Calif?
  7. Appliance Date
  8. Never had this...
  9. Exhaust/intake vent under a deck
  10. Did I break it? ...Heat pump
  11. Heat pump
  12. Thermostats that make a clicking noise
  13. Green Ductwork
  14. Condensate drain
  15. Blower assembly at termination of dryer duct...
  16. Dornback Furnace
  17. Sweating
  18. Which outside ac unit went where?
  19. Ac Date?
  20. Poor cooling, not very old outside unit evidently performed well
  21. Dampers in Heat Ducts
  22. Unusual Venting
  23. Malibu Slant/Fin Boiler Age?
  24. How old am I?
  25. HVAC unit - air blowing out of cabinet
  26. electric baseboard heater
  27. Furnace room door opens in
  28. Clare furnace age
  29. Trane System Blower Motor
  30. Unreadable Data Plates
  31. PVC Dryer Vent
  32. Electric Water Heater
  33. Electric Water Heater
  34. Need help dating Water Furnace Geothermal
  35. Florida Heat Pump Question
  36. 1967 Electrical furnace
  37. Temperature differential
  38. Why Would There Be A Hot Spot On This Furnace?
  39. What are these parts on a boiler?
  40. Screw in the cooper pipe of the boiler???
  41. Service switch
  42. Furnace burn
  43. Not for Larson's eyes
  44. GE HVAC Date Code - age needed?
  45. Soot-like ceiling marks
  46. Through wall mold ac
  47. Water Heater Flue set up
  48. HVAC with plastic exhaust vent pipe ... need advice, Pics incuded
  49. Oversized
  50. Painted furnace flue?
  51. Suspected asbestos
  52. Red flags for central split systems
  53. Need Some Help With The Age Of An American Standard Boiler Please
  54. Intake
  55. Singer a.c.
  56. High rise condo HVAC question
  57. Corrugated plastic water heater flue? Lochinvar DVN040-1 unit
  58. Plastic for furnace....vent ducting
  59. AHIT Opinion On Inspecting Air Cooled AC's
  60. Scorch marks
  61. humming sound
  62. Lennox pulse
  63. Drywall separating the enclosure from the Attic
  64. Special Thanks from the Building Intelligence Center
  65. And the winner is....
  66. Burnt my arm
  67. Btu output
  68. Age of Day and night furnace
  69. Heat pump AHU
  70. Message Board responses
  71. Shared venting
  72. Gas Fireplace using Class A vent
  73. Amana Heat pump age...9601275433
  74. Age for Florida Heat Pump (FHP)
  75. mor-flo air heater age
  76. Tell me what you see or would tell your client
  77. Boiler Question
  78. New, free, downloadable HVAC Inspector logo.
  79. I'm no HVAC tech...
  80. Boiler
  81. Floridians learning about boilers?
  82. Interesting statistic about CO deaths
  83. Crystals in vent.
  84. Water Heater Tied into Boiler
  85. Small vent
  86. Type B vent termination question
  87. What is this for? Fresh air intake or exhaust?
  88. Age of GWA boiler
  89. Spray Foam and Fiberglass Insulation
  90. Patio Enclosure distribution
  91. Odd stack of appliances
  92. Crane Air Handler Age
  93. Inline Duct Fans
  94. Sidewall venting height requirements
  95. Bosch FHP Age
  96. Humidifier ?
  97. High Efficiency Gas furnace Vent
  98. Heat pump
  99. What do you say about this??
  100. Anybody help with the filter on this HVAC system?
  101. Need to identify age of an Amana A/C Condenser
  102. Air handler drip pan
  103. Air handler support
  104. York condenser age? Old for house....
  105. Call it out or not?
  106. Refrigerant line coil
  107. Gas Furnace/Water Heater Vent Issue?
  108. Heat pump
  109. How Do You Determine if Radiant Heat is Working
  110. Hydrotherm boiler age?
  111. See anything?
  112. Need help identifying age and size of Weather King Air Handler
  113. Rheem furnaces
  114. Furnace performing as intended
  115. Water Furnace age and TPR question
  116. Compressor covers
  117. Help needed with oil burner vent
  118. 4 appliances into 1 vent
  119. Open Vent?
  120. Question about gas furnace I inspected yesterday
  121. Ice on B-vent
  122. Just put the flue.....right there
  123. Furnace Date Help
  124. hydronic forced air furnace?
  125. Laars boiler in crawlspace
  126. Total Cluster ???????
  127. New InterNACHI article: Homeowner Maintenance: Changing the HVAC Filter.
  128. U.S. drops rule requiring more efficient furnaces
  129. No inspection today?
  130. Chaaaarleeeey
  131. An Apparent Short?
  132. Amp draw
  133. HE and WH power vent <18" from electric meter
  134. Furnace chimney?
  135. High eff furnace flue
  136. Ghosts?
  137. Lennox Furnace
  138. Unitary AC
  139. Second furnace in garage with register?
  140. What are these?
  141. Inspecting air flow balance
  142. Updated InterNACHI Gallery graphic of the expansion tanks for the boiler system
  143. Lennox Equipment Nomenclature
  144. Have you seen this heater attachment?
  145. Flue Venting Gone Wild
  146. Make up on externally vented furnace?
  147. Miller Air Handler age?
  148. Heat Exchanger
  149. Exterior of HVAC - Attic ducting...coming apart...Need advice
  150. Fireplace
  151. Watched exchanger being inspected
  152. Insulated ducting
  153. Age for Dayton furnace needed.
  154. Help with furnace age
  155. Age of "Water Furnace" Geo-Thermal Heat-Pumps
  156. Signature Manufactured for Montgomery Ward
  157. Heat pump flow
  158. HVAC
  159. heat pump cycling before reaching set point
  160. Temp-O-Matic Furnace Age
  161. baseboard heaters
  162. Single Wall vent pipe question
  163. condenser platform
  164. Heat Pump moisture
  165. Heat pump or not!!
  166. High efficiency furnace vent
  167. Need Armstrong furnace age
  168. Wards Heater age
  169. Furnace flue wind cap ?
  170. Heat pumps what is wrong with this pic
  171. York Help
  172. Un-capped vent...does it need a cap ?
  173. What age is this
  174. Venting
  175. turning on gas
  176. Homemade AC System
  177. Would you write this up
  178. Does anyone know what this is?
  179. CO Gas Detectors and Analyzers for home inspections
  180. HRV trumps "fan only" mode?
  181. American Standard/Trane Furnace age please?
  182. Trane Aux. Heat ran for 2 hrs.
  183. York age please
  184. Drops per run of supply air duct
  185. Defective chimney
  186. 2 AC units and 1 air handler
  187. Duct from supply to return
  188. Underground oil storage tank
  189. Anybody offer acid tests to refrigerant systems?
  190. Furnace adequecy
  191. Heating System Shut Off Switch Location
  192. Furnace backdrafting into home.
  193. Duomatic Olsen furnace age??
  194. Valve in condensate line.
  195. Vacations
  196. Need some advice
  197. Mismatched System
  198. under pressure.
  199. Soffit venting for bath fan OK?
  200. Ancient Space Heater
  201. PVC 40 fittings used for HE furnace vent
  202. AC older than House?
  203. NACHI.TV releases free online training video "Find the Crack in the Heat Exchanger"
  204. how old is this furnace?
  205. LP Gas Tank at Window
  206. AC reset question
  207. Heat exchanger inspections
  208. Air Return question
  209. positive pressure
  210. ABS acceptable for combustion vent
  211. Heil Air Handler Size Help
  212. Heat Exchanger?
  213. geothermal heat/cool
  214. Mercury Thermostat
  215. Secondary condensation Cap question
  216. Defective Installation HVAC
  217. How many tons are needed?
  218. Help Identify
  219. Dryer Vent Pipe
  220. New use for Cicken Pot Pie Pan
  221. Water htr close to furnace
  222. National US Radiator
  223. Boiler noise?
  224. Hot spots on A/C?
  225. Say Good by to bulky RTU's
  226. Old
  227. What is the Manufacture
  228. Water Heater vent pipe connection...Need advice
  229. Air returns in wall chases
  230. Looks like a painted Transite duct vent running thru the Bedroom closet
  231. Need help with condenser/date
  232. The NEST Thermostat-Inspect HVAC
  233. Condo gong show, How should I go about mending this one?
  234. Solution for cold showers
  235. Hot water heating loop
  236. Heat exchanger reporting suggestion
  237. Trane furnace age help.
  238. Above and below ground oil tank testing
  239. This is a TEST
  240. Bent Suction Line
  241. Gas Absorbtion Heat Pump?
  242. Electric Baseboard in Attic
  243. Age of a Lennox Heat Pump
  244. Water Heater Vent Pipe...need help
  245. Tool Question
  246. Williamson Forced Air Furnace Age Help
  247. One heat pump system ten A-Coils
  248. crawlspace fans
  249. Flexible water heater vent pipe
  250. Fire pit in the backyard.....Question