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  1. Age of Fedders A/C
  2. Crappy connections
  3. Flue Pipe
  4. Direct and Power Vent Furnace and WH
  5. High efficiency furnace vent clearances & insulation
  6. Heat Pump VS AC
  7. rust on 8 yr old furnace
  8. Space-Pak
  9. epiphone
  10. heat pump off ground
  11. What could be causing this
  12. secondary drain?
  13. Optional Standby Generator
  14. 2-3-10 rule
  15. What is this device
  16. CSST?
  17. Crane furnace age?
  18. Steam vs. hot water heating system
  19. Am I seeing this right?
  20. Not even sure what to say.....
  21. Why it pays to climb into the attic for A/C inspection
  22. I can fix that
  23. What to look for in Hydronic Radiant Heating
  24. Need help detemining age of York Heat Pump
  25. Corrugated stainless steel tubing
  26. Armstrong Age Please
  27. At lest the gas line was not in the return air plenum
  28. R22 costs going up
  29. Beckett Burner Date Code Question
  30. Sweating at vents
  31. Surefire 101CE
  32. Need confermation on a RTU age
  33. Furnace Flue
  34. Smart meters are dumb
  35. Age help
  36. Age of trane furnace?
  37. Filters in all return vents?
  38. Some rust on 2 year old furnace
  39. Supply Vents in Garage
  40. Age of an old GM Delco boiler?
  41. Return in same room as Furnace
  42. Metal B vent
  43. Empire Wall Furnace Age Help
  44. Size of Lennox A/C unit...
  45. Help with age of GeoComfort Unit
  46. Weil McLain Boiler issues
  47. Can air handler supply lines be laid in insulation below the attic floor deck
  48. Cabon Monoxide
  49. Gas Furnace ventilation Question
  50. Combustion analyzer vs CO meter
  51. Noah's A/C unit
  52. Amana vs Goodman???
  53. controlling radiant heat temp.
  54. Photo of tankless boiler
  55. Observed cut wires in the furnace...question
  56. Problem or not
  57. Two Thermostats
  58. Furnace and water heater.... Venting
  59. Instruction manual storage locations
  60. New course registration for HRAI
  61. Coils sized properly
  62. Trying to kill me
  63. Duct board
  64. Min. vert. distance from w/h exhaust and operable window
  65. need a question answered
  66. No ductwork??
  67. Gas furnace
  68. Gas Furnace/Water Heater Venting
  69. Old Peerless Label
  70. Boiler flue without hood?
  71. Mfg Home Furnace Recalls
  72. Gas furnace....need advice
  73. Mystery lines into furnace plenum
  74. Age of condensing unit
  75. Surface rust on water heater flue???
  76. Capacity help
  77. Benjamin Boiler OB1000 (Oil)
  78. Understanding Central air distribution systems
  79. Corrosion on Air Handler?
  80. Infrared Room Heaters
  81. Anyone familiar with this type of furnace Carrier?
  82. Age of A/C unit
  83. When did they come out with B-Vent?
  84. Is this likely an underground storage tank?
  85. HVAC component needs ID
  86. Geothermal Inspection?
  87. Is this type of gas line ok, for gas log fireplace..
  88. Clay flue, oil furnace
  89. Help with Haier AC
  90. Bathroom exhaust
  91. Fireplace duct
  92. Is this Gas line Safe?
  93. Help With Amana 90% Furnace
  94. Unknown Manufacture
  95. Start-up sequence
  96. Help with Trane XE 90 furnace
  97. Heat pump repair story
  98. Hiding sloppy work
  99. Short Cycling Honeywell Thermostat?
  100. AirTemp Furnace age
  101. Duct repair
  102. Identifying a heat pump
  103. Humidificadores centrales.
  104. Clearance ?
  105. A/C Age
  106. Range hood vent pipe material
  107. Furnace mounted humidifier
  108. Condensation drain line
  109. Furnace age?
  110. Return Air and Fireplace too close
  111. AC Question
  112. Asbestos?
  113. Safety: what dangers do inspectors face inspecting oil-fired combustion appliances?
  114. Copper tubing
  115. XXth Century Zeph-air Furnace Age
  116. First 10 to reply win How to Inspecting HVAC Systems book. Merry Christmas.
  117. Exhaust Venting (help)
  118. HE intake & Exhaust
  119. Rust on Liquid Line
  120. HVAC return air and condensate line questions
  121. Cold air return
  122. What is it and what does it do???
  123. Wording for not testing AC in cold temperatures
  124. Heat Pump not performing like it should
  125. AC, onsite disconnect question
  126. Is this rust?
  127. Heater duct insulation ...question
  128. The Problem With Flexible B-Vents
  129. Condensate drain line
  130. Furnace Date Codes
  131. Heat Pump System Air Filter Returns
  132. Brine Stains on th
  133. AC condenser fan ran when thermostat was in heat mode on "fan" setting
  134. Armstrong Furnace Age?
  135. Appliance Connector Label Photo?
  136. Boiler explosion in Mass.
  137. Water Heater Vent Pipe Splice...
  138. CO testing
  139. No suction at return air vent
  140. Need some help on furnace age. Metzger / Milwaukee Thermoflow
  141. Condensate Pump, return distribution systems.
  142. Refrigerant line question
  143. Reconstructing model number
  144. Verifying Capacity
  145. Well Conditioned Attic
  146. Water heater flue - is this allowed?
  147. Quietside age?
  148. Weil-Mclain co water heater prob.
  149. Comfortstar unit
  150. 410A Condenser and R22 Evaporator Coil
  151. Return air
  152. Contractors don't read
  153. Testo 560
  154. No Maufucturer Name Listed
  155. Dead body
  156. Oil leakage observed at AC coolant line at bonnet -- too cold to run unit
  157. Gas line from meter to interior of home
  158. Todays gem
  159. Old American Standard boiler help
  160. Boiler vent
  161. Condensate discharge
  162. Rooftop a/c unit condensate discharge
  163. L vent to single wall?
  164. Flue Configuration
  165. Record high temps forcast for SoCal
  166. Condensate lines
  167. Acceptable?
  168. Who to refer?
  169. Help your AC with mist???
  170. Any other reason for burner wont stay lit?
  171. Combustion Analysis
  172. Do you measure Delta T?
  173. Goodman tonnage
  174. Exterior A/C condenser clearances
  175. Gas line in front of vent
  176. Chrysler Airtemp Blower Motor
  177. Failed Inducer Motor Replacement
  178. Another unsuspecting loose connection
  179. A loaded question # 2
  180. A loaded question
  181. Thorough HVAC inspection by HVAC technician
  182. Evaporator ages
  183. Purpose of vent??
  184. Testing Furnace and A/C
  185. Replacing diesel with gas furnace
  186. A plastic vent inquiry
  187. House built in 1971 - Do these ducts look like they contain asbestos ?
  188. Dryer Vent Length
  189. Furnace in closet
  190. Age of Furnace
  191. How to rewire furnace from stoneage
  192. Century Age
  193. Minimum clearance of baseboard
  194. How many gas vents into 6" flue?
  195. Metal Chimney Clearance
  196. Question For Ben Gromicko
  197. Is it worth replacing electric baseboard?
  198. Age please?
  199. HVAC wiring
  200. Is this pipe accectable for fireplace gas line?
  201. payne package unit
  202. Down Periscope or Crazy A/C Venting Gone Wrong?
  203. combustion air and exhaust appear merged
  204. Close the combustion air...
  205. Gas only fireplace hearth requirments
  206. Age Code App
  207. Ducts to fresh air
  208. Flex hose connected to fireplace manifild....Need advice
  209. Water heater vent ducting...need advice
  210. Does this Heater vent need a heat collar?
  211. Exposed chimney in bedroom
  212. David or Charley
  213. Venting Narrative
  214. AC differential temps
  215. What's Your Narrative on This One?
  216. Age of furnace
  217. secondary drain on a vertical unit
  218. Help With Geo-Thermal Heat Pump
  219. VERY humid AC air
  220. Exposed B-Vent in closet
  221. Need an opinion
  222. Unknown thingy on water heater
  223. Crane heating unit age?
  224. Hot water Boiler age (Bryant)
  225. Sidewall Vents in Vertical Position
  226. First For Me
  227. waterless traps
  228. HVAC Plumbing
  229. Old oil furnace
  230. Tempstar - Burner problems?
  231. Home Heating Oil Tanks. Another InterNACHI inspection-related article.
  232. best technique opinions
  233. Burn baby Burn!!
  234. Dryer vent screen
  235. Older Bard AC condenser
  236. Off Season Testing
  237. Maratherm AC tonnage and age
  238. Boiler in garage Part II
  239. Excessive moisture in exhaust pipe.
  240. When would a vent be required in a bathroom?
  241. Hot duct?
  242. breaker too large for AC
  243. Never seen this done before - stripped the outside off of flue
  244. Boiler / W/H in garage?
  245. CSA approved
  246. Anybody seen these yet?
  247. Need age of Miller Gas Furnace
  248. Need advice
  249. Need advice
  250. Help