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