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  1. Dunkirk Boiler manufactured for Montgomery Ward
  2. Geo-thermal HVAC, do you inspect or not
  3. Age of Goodman AC
  4. Cracked heat exchanger?
  5. Would you comment on this
  6. Attic vent fan
  7. New online "How to Inspect Fireplaces, Stoves, and Chimneys" course for inspectors
  8. Duct work SNAFU
  9. Need help, age of GE furnace
  10. Furnace room ventilation
  11. Crawlspace Heating
  12. Cold air return attached to exterior vent
  13. Old Lennox
  14. The Hidden Dangers Lurking Within the HVAC System
  15. Vent Free Gas Log in Wood Fireplace
  16. Keeping ahead of the curve
  17. Checking Heat Pump in heating mode when its 80 degrees outside?
  18. Looking up of a A/C unit
  19. I did it again
  20. Pellet stove exhaust
  21. Exhaust air near heat pump
  22. Conductor and HVAC Breaker Compatibility
  23. Boiler age
  24. Unvented Crawl Space
  25. Chimney flue clearance to wall
  26. Air Return Vent
  27. Trinity Ti150 Troubleshoot
  28. Abandoned gas furnace in crawlspace
  29. New, Third Edition of Inspecting HVAC Systems book.
  30. Another mess
  31. Ventilation System Canadian Style
  32. What in your opinion
  33. HVAC UV devices
  34. Do you call this for repairs
  35. Open return (wet basemet) (toilet)
  36. Hvac height in garage
  37. direct vent furnace
  38. Don't assume???????
  39. Weil Mclain Cp lookup tool
  40. Fresh air intake question
  41. What do folks see wrong?
  42. 750 square foot condo...2 1/2 ton AC with 75,000 btu gas furnace
  43. Is this fan on a vent motor cracked or typical
  44. year of unit
  45. What is the tonnage of this Ruud .
  46. date this furnace
  47. Physical Damage - But keeping the house cool...Need advice
  48. Ductwork
  49. Poor cooling for new Puron AC unit or just the way some of them work?
  50. Inspecting Heat Pumps
  51. Breaker Size
  52. Low Freon or leakage
  53. Furnace intake not outside.
  54. Direct Vent pipe inside cold ait return
  55. Fire Block?
  56. Amp rating on AC unit.
  57. Old Rheem. AHU Inop. Did I...
  58. determining seer?
  59. Excessive Mildew Exterior of Plenum - 6 Year Old House
  60. 101 outside ambient
  61. Condensation on duct in crawlspace
  62. Poisiones gas escaping
  63. First time I've seen this...
  64. Intake air to furnace
  65. short of combustion air?
  66. Pellet burner as main heat source?
  67. What to do What to do
  68. Advanced HVAC video training for home inspctors on USB drive.
  69. Flex furnace vent connector
  70. Tuesdays brain twister
  71. Freshair supply for electric furnace
  72. Duct Connected to Chimney
  73. Thoughts
  74. bypassing a thermo stat
  75. Another use for secondary drain
  76. Propane tank clearance from overhead heating vent
  77. Hearth requirement pellet stove?
  78. Charley B or David A
  79. Old oil burner furnace abandoned in crawlspace
  80. Power vent + direct vent?
  81. Age of Fedders unit.
  82. Vent for floor heater
  83. Air Handler rating
  84. Gas Firplace fog
  85. Fujitsu Mini Split
  86. HVAC Question
  87. Carrier Size
  88. Gibson/Nordyne ?
  89. Haier Condenser Manufacture Date
  90. Plastic Gas pipe in furnace room
  91. Flue exhaust in chimney for furnace
  92. Is this right?
  93. Dating a Goodman
  94. furnace date for Air ease?
  95. Is a drip leg required on a gas line to the furnace or the water heater in Calif?
  96. Appliance Date
  97. Never had this...
  98. Exhaust/intake vent under a deck
  99. Did I break it? ...Heat pump
  100. Heat pump
  101. Thermostats that make a clicking noise
  102. Green Ductwork
  103. Condensate drain
  104. Blower assembly at termination of dryer duct...
  105. Dornback Furnace
  106. Sweating
  107. Which outside ac unit went where?
  108. Ac Date?
  109. Poor cooling, not very old outside unit evidently performed well
  110. Dampers in Heat Ducts
  111. Unusual Venting
  112. Malibu Slant/Fin Boiler Age?
  113. How old am I?
  114. HVAC unit - air blowing out of cabinet
  115. electric baseboard heater
  116. Furnace room door opens in
  117. Clare furnace age
  118. Trane System Blower Motor
  119. Unreadable Data Plates
  120. PVC Dryer Vent
  121. Electric Water Heater
  122. Electric Water Heater
  123. Need help dating Water Furnace Geothermal
  124. Florida Heat Pump Question
  125. 1967 Electrical furnace
  126. Temperature differential
  127. Why Would There Be A Hot Spot On This Furnace?
  128. What are these parts on a boiler?
  129. Screw in the cooper pipe of the boiler???
  130. Service switch
  131. Furnace burn
  132. Not for Larson's eyes
  133. GE HVAC Date Code - age needed?
  134. Soot-like ceiling marks
  135. Through wall mold ac
  136. Water Heater Flue set up
  137. HVAC with plastic exhaust vent pipe ... need advice, Pics incuded
  138. Oversized
  139. Painted furnace flue?
  140. Suspected asbestos
  141. Red flags for central split systems
  142. Need Some Help With The Age Of An American Standard Boiler Please
  143. Intake
  144. Singer a.c.
  145. High rise condo HVAC question
  146. Corrugated plastic water heater flue? Lochinvar DVN040-1 unit
  147. Plastic for furnace....vent ducting
  148. AHIT Opinion On Inspecting Air Cooled AC's
  149. Scorch marks
  150. humming sound
  151. Lennox pulse
  152. Drywall separating the enclosure from the Attic
  153. Special Thanks from the Building Intelligence Center
  154. And the winner is....
  155. Burnt my arm
  156. Btu output
  157. Age of Day and night furnace
  158. Heat pump AHU
  159. Message Board responses
  160. Shared venting
  161. Gas Fireplace using Class A vent
  162. Amana Heat pump age...9601275433
  163. Age for Florida Heat Pump (FHP)
  164. mor-flo air heater age
  165. Tell me what you see or would tell your client
  166. Boiler Question
  167. New, free, downloadable HVAC Inspector logo.
  168. I'm no HVAC tech...
  169. Boiler
  170. Floridians learning about boilers?
  171. Interesting statistic about CO deaths
  172. Crystals in vent.
  173. Water Heater Tied into Boiler
  174. Small vent
  175. Type B vent termination question
  176. What is this for? Fresh air intake or exhaust?
  177. Age of GWA boiler
  178. Spray Foam and Fiberglass Insulation
  179. Patio Enclosure distribution
  180. Odd stack of appliances
  181. Crane Air Handler Age
  182. Inline Duct Fans
  183. Sidewall venting height requirements
  184. Bosch FHP Age
  185. Humidifier ?
  186. High Efficiency Gas furnace Vent
  187. Heat pump
  188. What do you say about this??
  189. Anybody help with the filter on this HVAC system?
  190. Need to identify age of an Amana A/C Condenser
  191. Air handler drip pan
  192. Air handler support
  193. York condenser age? Old for house....
  194. Call it out or not?
  195. Refrigerant line coil
  196. Gas Furnace/Water Heater Vent Issue?
  197. Heat pump
  198. How Do You Determine if Radiant Heat is Working
  199. Hydrotherm boiler age?
  200. See anything?
  201. Need help identifying age and size of Weather King Air Handler
  202. Rheem furnaces
  203. Furnace performing as intended
  204. Water Furnace age and TPR question
  205. Compressor covers
  206. Help needed with oil burner vent
  207. 4 appliances into 1 vent
  208. Open Vent?
  209. Question about gas furnace I inspected yesterday
  210. Ice on B-vent
  211. Just put the flue.....right there
  212. Furnace Date Help
  213. hydronic forced air furnace?
  214. Laars boiler in crawlspace
  215. Total Cluster ???????
  216. New InterNACHI article: Homeowner Maintenance: Changing the HVAC Filter.
  217. U.S. drops rule requiring more efficient furnaces
  218. No inspection today?
  219. Chaaaarleeeey
  220. An Apparent Short?
  221. Amp draw
  222. HE and WH power vent <18" from electric meter
  223. Furnace chimney?
  224. High eff furnace flue
  225. Ghosts?
  226. Lennox Furnace
  227. Unitary AC
  228. Second furnace in garage with register?
  229. What are these?
  230. Inspecting air flow balance
  231. Updated InterNACHI Gallery graphic of the expansion tanks for the boiler system
  232. Lennox Equipment Nomenclature
  233. Have you seen this heater attachment?
  234. Flue Venting Gone Wild
  235. Make up on externally vented furnace?
  236. Miller Air Handler age?
  237. Heat Exchanger
  238. Exterior of HVAC - Attic ducting...coming apart...Need advice
  239. Fireplace
  240. Watched exchanger being inspected
  241. Insulated ducting
  242. Age for Dayton furnace needed.
  243. Help with furnace age
  244. Age of "Water Furnace" Geo-Thermal Heat-Pumps
  245. Signature Manufactured for Montgomery Ward
  246. Heat pump flow
  247. HVAC
  248. heat pump cycling before reaching set point
  249. Temp-O-Matic Furnace Age
  250. baseboard heaters