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  1. Natural gas grey pipe
  2. Opening maintenance panels
  3. New article: Building Cavities used as Supply or Return Ducts.
  4. Heater is the summer
  5. Carrier furnaces
  6. Auxillary heat on 6 year old heat pump
  7. Baseboard - 208v - temp range
  8. Heat Pump AC in Ca condo
  9. Flexible gas appliance connector
  10. Furnace and A/c age
  11. International of Utica
  12. They said....
  13. Antique Thermostat?
  14. HP Overfused?
  15. How many vent details?
  16. AC condensate to sink drain
  17. Boiler pressure relief valve
  18. Free webinar on inspecting gas-fired furnaces tomorrow (Wed) night.
  19. Relief Damper in Attic Space
  20. Luxaire Brand Furnace Age
  21. Armstrong Furnace Age... 40s era?
  22. PIC: That's one way, I guess.
  23. gas shut off for room heater
  24. Capacity of HVAC system
  25. Heat Pump heating at 125 degrees
  26. Attic furnace venting
  27. Wall Heater by a window ...is it ok?
  28. Do You Know Who is Peeing on Your Air Conditioner?
  29. Central environmental systems A/C
  30. Thanks to the following people
  31. What would Charley say?
  32. This one's for Larson, why I don't recommend humidifiers part 2
  33. No plenum
  34. www.buildingcenter.org is #1
  35. Supply duct question
  36. High efficiency furnace exhaust
  37. ventless gas logs
  38. Tankless water heater used for radiant heat
  39. Need help
  40. Testing Heat/pump/AC
  41. Combustion air from attic
  42. inspecting humidistats
  43. What If Home Builders Had to Pay the Energy Bills?
  44. PVC Venting
  45. Furnace clearance from Dow styrofoam sheathing
  46. Common venting of Furnace & Water heater
  47. furnace and water connection
  48. Date code for GE air conditioner
  49. Flex hose used in fire box...Question
  50. I called this out.
  51. Return on pellet stove
  52. Line set under slab
  53. Crown boiler
  54. Multiple filters
  55. Main service panel acting as a service disconnect
  56. Asbestos Tape
  57. "Ask This Old House"
  58. Boiler Recall
  59. Do you pull service disconnects?
  60. U.S. Dept of Energy includes InterNACHI article in Building America Solution Center.
  61. Honeywell 8000 Thermostat Issues
  62. 3 Ways to Tell if That Contraption Is a Heat Pump or an AC
  63. Envenenamiento con Monóxido de Carbono y Cómo Detectarlo
  64. Damaged Electric Heat found by Knoxville TN home inspector
  65. WiseHeat Thoughts?
  66. 47 year old old steam boiler
  67. Age
  68. Heat pump/(a/c) unit identification
  69. hvac venting issue
  70. Drip legs
  71. First 10 to reply win Inspecting HVAC Systems book (hard copies).
  72. Heat Pump Testing
  73. Why use duct tape when...
  74. Furnace condensate drain terminates onto crawlspace floor.
  75. Necessary to note supply legs without dampers ?
  76. Boiler
  77. Pellet Stove vent
  78. Crown boiler recall
  79. Add on Chimney
  80. Oil tank in Crawlspace
  81. need age/size for Goettl HP
  82. International sales company furnace
  83. Dunkirk Boiler manufactured for Montgomery Ward
  84. Geo-thermal HVAC, do you inspect or not
  85. Age of Goodman AC
  86. Cracked heat exchanger?
  87. Would you comment on this
  88. Attic vent fan
  89. New online "How to Inspect Fireplaces, Stoves, and Chimneys" course for inspectors
  90. Duct work SNAFU
  91. Need help, age of GE furnace
  92. Furnace room ventilation
  93. Crawlspace Heating
  94. Cold air return attached to exterior vent
  95. Old Lennox
  96. The Hidden Dangers Lurking Within the HVAC System
  97. Vent Free Gas Log in Wood Fireplace
  98. Keeping ahead of the curve
  99. Checking Heat Pump in heating mode when its 80 degrees outside?
  100. Looking up of a A/C unit
  101. I did it again
  102. Pellet stove exhaust
  103. Exhaust air near heat pump
  104. Conductor and HVAC Breaker Compatibility
  105. Boiler age
  106. Unvented Crawl Space
  107. Chimney flue clearance to wall
  108. Air Return Vent
  109. Trinity Ti150 Troubleshoot
  110. Abandoned gas furnace in crawlspace
  111. New, Third Edition of Inspecting HVAC Systems book.
  112. Another mess
  113. Ventilation System Canadian Style
  114. What in your opinion
  115. HVAC UV devices
  116. Do you call this for repairs
  117. Open return (wet basemet) (toilet)
  118. Hvac height in garage
  119. direct vent furnace
  120. Don't assume???????
  121. Weil Mclain Cp lookup tool
  122. Fresh air intake question
  123. What do folks see wrong?
  124. 750 square foot condo...2 1/2 ton AC with 75,000 btu gas furnace
  125. Is this fan on a vent motor cracked or typical
  126. year of unit
  127. What is the tonnage of this Ruud .
  128. date this furnace
  129. Physical Damage - But keeping the house cool...Need advice
  130. Ductwork
  131. Poor cooling for new Puron AC unit or just the way some of them work?
  132. Inspecting Heat Pumps
  133. Breaker Size
  134. Low Freon or leakage
  135. Furnace intake not outside.
  136. Direct Vent pipe inside cold ait return
  137. Fire Block?
  138. Amp rating on AC unit.
  139. Old Rheem. AHU Inop. Did I...
  140. determining seer?
  141. Excessive Mildew Exterior of Plenum - 6 Year Old House
  142. 101 outside ambient
  143. Condensation on duct in crawlspace
  144. Poisiones gas escaping
  145. First time I've seen this...
  146. Intake air to furnace
  147. short of combustion air?
  148. Pellet burner as main heat source?
  149. What to do What to do
  150. Advanced HVAC video training for home inspctors on USB drive.
  151. Flex furnace vent connector
  152. Tuesdays brain twister
  153. Freshair supply for electric furnace
  154. Duct Connected to Chimney
  155. Thoughts
  156. bypassing a thermo stat
  157. Another use for secondary drain
  158. Propane tank clearance from overhead heating vent
  159. Hearth requirement pellet stove?
  160. Charley B or David A
  161. Old oil burner furnace abandoned in crawlspace
  162. Power vent + direct vent?
  163. Age of Fedders unit.
  164. Vent for floor heater
  165. Air Handler rating
  166. Gas Firplace fog
  167. Fujitsu Mini Split
  168. HVAC Question
  169. Carrier Size
  170. Gibson/Nordyne ?
  171. Haier Condenser Manufacture Date
  172. Plastic Gas pipe in furnace room
  173. Flue exhaust in chimney for furnace
  174. Is this right?
  175. Dating a Goodman
  176. furnace date for Air ease?
  177. Is a drip leg required on a gas line to the furnace or the water heater in Calif?
  178. Appliance Date
  179. Never had this...
  180. Exhaust/intake vent under a deck
  181. Did I break it? ...Heat pump
  182. Heat pump
  183. Thermostats that make a clicking noise
  184. Green Ductwork
  185. Condensate drain
  186. Blower assembly at termination of dryer duct...
  187. Dornback Furnace
  188. Sweating
  189. Which outside ac unit went where?
  190. Ac Date?
  191. Poor cooling, not very old outside unit evidently performed well
  192. Dampers in Heat Ducts
  193. Unusual Venting
  194. Malibu Slant/Fin Boiler Age?
  195. How old am I?
  196. HVAC unit - air blowing out of cabinet
  197. electric baseboard heater
  198. Furnace room door opens in
  199. Clare furnace age
  200. Trane System Blower Motor
  201. Unreadable Data Plates
  202. PVC Dryer Vent
  203. Electric Water Heater
  204. Electric Water Heater
  205. Need help dating Water Furnace Geothermal
  206. Florida Heat Pump Question
  207. 1967 Electrical furnace
  208. Temperature differential
  209. Why Would There Be A Hot Spot On This Furnace?
  210. What are these parts on a boiler?
  211. Screw in the cooper pipe of the boiler???
  212. Service switch
  213. Furnace burn
  214. Not for Larson's eyes
  215. GE HVAC Date Code - age needed?
  216. Soot-like ceiling marks
  217. Through wall mold ac
  218. Water Heater Flue set up
  219. HVAC with plastic exhaust vent pipe ... need advice, Pics incuded
  220. Oversized
  221. Painted furnace flue?
  222. Suspected asbestos
  223. Red flags for central split systems
  224. Need Some Help With The Age Of An American Standard Boiler Please
  225. Intake
  226. Singer a.c.
  227. High rise condo HVAC question
  228. Corrugated plastic water heater flue? Lochinvar DVN040-1 unit
  229. Plastic for furnace....vent ducting
  230. AHIT Opinion On Inspecting Air Cooled AC's
  231. Scorch marks
  232. humming sound
  233. Lennox pulse
  234. Drywall separating the enclosure from the Attic
  235. Special Thanks from the Building Intelligence Center
  236. And the winner is....
  237. Burnt my arm
  238. Btu output
  239. Age of Day and night furnace
  240. Heat pump AHU
  241. Message Board responses
  242. Shared venting
  243. Gas Fireplace using Class A vent
  244. Amana Heat pump age...9601275433
  245. Age for Florida Heat Pump (FHP)
  246. mor-flo air heater age
  247. Tell me what you see or would tell your client
  248. Boiler Question
  249. New, free, downloadable HVAC Inspector logo.
  250. I'm no HVAC tech...