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