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  1. I need Charlie or David on this one.
  2. HVAC
  3. Air Handler mismatch with compressor
  4. Vent Cut
  5. HVAC Training
  6. Heat Pumps and Condensate Pumps
  7. uninsulated ductwork in basement
  8. Cold Air Return
  9. Combustion Test?
  10. Oil fired boiler
  11. Furnace on its back
  12. Combustion Air in crawlspace
  13. First 10 members to reply win InterNACHI's HVAC Inspections book.
  14. Need help on age
  15. Furnace Condensate Line Drain
  16. Older Working Floor Heater...I have a question..
  17. How Many Un-vented Gas Appliances?
  18. Electric heater inspetion
  19. Anyone seen one of these?
  20. Z Vent for Boiler
  21. Troubleshooting a RUUD High Efficiency Furnace
  22. Furnace question
  23. Heat Pump
  24. Age Of Furnace
  25. Return and Supply in Crawlspace
  26. HVAC vent
  27. Masonry fireplace w/ B vent
  28. Large temp delta on supply
  29. Forced Hot Air Furnace No Air Returns
  30. water heater and furnace venting into an open tube, not sealed
  31. Noisy mechanical room
  32. Flexible vent on gas water heater?
  33. They don't make em like they used to
  34. What is this?
  35. Oil Tank Repair ?
  36. Help with Propane stove vent clearances near windows. (Maine)
  37. Anybody like to decode this model number for age? Old Westinghouse.
  38. Boiler flue slope
  39. Natural Gas BBQ allowed in Ontario
  40. Old Armstrong Furnace
  41. Coil dripping condensate
  42. Geothermal Heating and Cooling Preformance Evaluations
  43. Hot spots on welds-Heat Exchangers
  44. Ingersoll Furnace Age - Help
  45. Air Handler
  46. R-22 in 2013 system
  47. Mitsubishi slim age
  48. Dryer vent pipe repair??
  49. Attic fan or house fan ?
  50. tonnage
  51. just to make sure I am not crazy
  52. Goodman A/C Recall
  53. Stuck
  54. Condensation Under Air Handler
  55. A/C register temp
  56. Guidance on HVAC inspections
  57. Condensate in Waste Line
  58. Testing Heat/AC
  59. Stove hood vents to attic - recommend out thru roof?
  60. Inspecting Air Handlers and Condensers
  61. McQuay air handler
  62. Oil tank vent?
  63. Sweating air handler
  64. No return ductwork
  65. How do you determine improper air flow
  66. Air conditioning return
  67. What is that smell?
  68. Low voltage wiring
  69. obstructed rag
  70. Correct combustion intake location/configuration?
  71. Primary A/C Drain
  72. Geothermal Open or Closed Loop?
  73. Ac refridgerant line
  74. Circulating Pump Hydronic
  75. Rust in Furnace
  76. Hydronic HVAC Age
  77. Fresh Air Makeup ?
  78. Did I say I like IR
  79. McQuay Question
  80. filter maintenance hint...
  81. 2nd floor radiant heat access panel
  82. gas fireplace vent?
  83. Commercial HVAC
  84. how long can it be?
  85. Help with Comfortmaker Date Codes Please
  86. Inspecting Furnace in Summer Months
  87. Negative pressure in furnace room
  88. Pressure relief valve?
  89. co / smoke detector
  90. Very old boiler steam convert
  91. HVAC new systems
  92. Help With GE Furnace Age
  93. New furnace discharge pipe?
  94. Furnace age
  95. Polaris Water Heater
  96. Makeup air
  97. Age of American Standard Electric Furnace
  98. Not many around like this one
  99. Oil furnace-fuel oil or service oil leak?
  100. Online boiler age lookup ?
  101. Bryant HVAC Age
  102. Dual fuel HP
  103. Anyone know what brand air conditioner this is?
  104. My son converting from oil to gas
  105. Unfiltered outside air intake on return
  106. Got burned pretty good today....
  107. Condensate Drain
  108. How do you say fire
  109. Age of Carrier AC - 38GS036-310
  110. Basic electrical for A/C units
  111. Geothermal or heat pump?
  112. What is this?
  113. Multiple Chimney Flue's Same Height ?
  114. Distribution air duct beneath a slab foundation
  115. Can anyone help me date this furnace?
  116. Venting of High Efficiency
  117. low flow at registers
  118. Floor warming system?
  119. Furnace filter size
  120. Dirtiest Filter
  121. Cold supply air
  122. Natural gas grey pipe
  123. Opening maintenance panels
  124. New article: Building Cavities used as Supply or Return Ducts.
  125. Heater is the summer
  126. Carrier furnaces
  127. Auxillary heat on 6 year old heat pump
  128. Baseboard - 208v - temp range
  129. Heat Pump AC in Ca condo
  130. Flexible gas appliance connector
  131. Furnace and A/c age
  132. International of Utica
  133. They said....
  134. Antique Thermostat?
  135. HP Overfused?
  136. How many vent details?
  137. AC condensate to sink drain
  138. Boiler pressure relief valve
  139. Free webinar on inspecting gas-fired furnaces tomorrow (Wed) night.
  140. Relief Damper in Attic Space
  141. Luxaire Brand Furnace Age
  142. Armstrong Furnace Age... 40s era?
  143. PIC: That's one way, I guess.
  144. gas shut off for room heater
  145. Capacity of HVAC system
  146. Heat Pump heating at 125 degrees
  147. Attic furnace venting
  148. Wall Heater by a window ...is it ok?
  149. Do You Know Who is Peeing on Your Air Conditioner?
  150. Central environmental systems A/C
  151. Thanks to the following people
  152. What would Charley say?
  153. This one's for Larson, why I don't recommend humidifiers part 2
  154. No plenum
  155. www.buildingcenter.org is #1
  156. Supply duct question
  157. High efficiency furnace exhaust
  158. ventless gas logs
  159. Tankless water heater used for radiant heat
  160. Need help
  161. Testing Heat/pump/AC
  162. Combustion air from attic
  163. inspecting humidistats
  164. What If Home Builders Had to Pay the Energy Bills?
  165. PVC Venting
  166. Furnace clearance from Dow styrofoam sheathing
  167. Common venting of Furnace & Water heater
  168. furnace and water connection
  169. Date code for GE air conditioner
  170. Flex hose used in fire box...Question
  171. I called this out.
  172. Return on pellet stove
  173. Line set under slab
  174. Crown boiler
  175. Multiple filters
  176. Main service panel acting as a service disconnect
  177. Asbestos Tape
  178. "Ask This Old House"
  179. Boiler Recall
  180. Do you pull service disconnects?
  181. U.S. Dept of Energy includes InterNACHI article in Building America Solution Center.
  182. Honeywell 8000 Thermostat Issues
  183. 3 Ways to Tell if That Contraption Is a Heat Pump or an AC
  184. Envenenamiento con Monóxido de Carbono y Cómo Detectarlo
  185. Damaged Electric Heat found by Knoxville TN home inspector
  186. WiseHeat Thoughts?
  187. 47 year old old steam boiler
  188. Age
  189. Heat pump/(a/c) unit identification
  190. hvac venting issue
  191. Drip legs
  192. First 10 to reply win Inspecting HVAC Systems book (hard copies).
  193. Heat Pump Testing
  194. Why use duct tape when...
  195. Furnace condensate drain terminates onto crawlspace floor.
  196. Necessary to note supply legs without dampers ?
  197. Boiler
  198. Pellet Stove vent
  199. Crown boiler recall
  200. Add on Chimney
  201. Oil tank in Crawlspace
  202. need age/size for Goettl HP
  203. International sales company furnace
  204. Dunkirk Boiler manufactured for Montgomery Ward
  205. Geo-thermal HVAC, do you inspect or not
  206. Age of Goodman AC
  207. Cracked heat exchanger?
  208. Would you comment on this
  209. Attic vent fan
  210. New online "How to Inspect Fireplaces, Stoves, and Chimneys" course for inspectors
  211. Duct work SNAFU
  212. Need help, age of GE furnace
  213. Furnace room ventilation
  214. Crawlspace Heating
  215. Cold air return attached to exterior vent
  216. Old Lennox
  217. The Hidden Dangers Lurking Within the HVAC System
  218. Vent Free Gas Log in Wood Fireplace
  219. Keeping ahead of the curve
  220. Checking Heat Pump in heating mode when its 80 degrees outside?
  221. Looking up of a A/C unit
  222. I did it again
  223. Pellet stove exhaust
  224. Exhaust air near heat pump
  225. Conductor and HVAC Breaker Compatibility
  226. Boiler age
  227. Unvented Crawl Space
  228. Chimney flue clearance to wall
  229. Air Return Vent
  230. Trinity Ti150 Troubleshoot
  231. Abandoned gas furnace in crawlspace
  232. New, Third Edition of Inspecting HVAC Systems book.
  233. Another mess
  234. Ventilation System Canadian Style
  235. What in your opinion
  236. HVAC UV devices
  237. Do you call this for repairs
  238. Open return (wet basemet) (toilet)
  239. Hvac height in garage
  240. direct vent furnace
  241. Don't assume???????
  242. Weil Mclain Cp lookup tool
  243. Fresh air intake question
  244. What do folks see wrong?
  245. 750 square foot condo...2 1/2 ton AC with 75,000 btu gas furnace
  246. Is this fan on a vent motor cracked or typical
  247. year of unit
  248. What is the tonnage of this Ruud .
  249. date this furnace
  250. Physical Damage - But keeping the house cool...Need advice