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