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