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