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View Full Version : Heating, Ventilation, Air Conditioning (HVAC): Home Inspection and Commercial Inspection



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  1. pressure guages on gas lines at furnaces
  2. Gray Sch40 piping
  3. Return Air
  4. Where to post this?
  5. May PVC vent route downwards?
  6. Direct vent flue location
  7. Help
  8. Funny Noises
  9. gravity furnace vent thingy
  10. Age of Nordyne split system heat pump
  11. Testing AC Systems
  12. Condensing furnace - intake vent
  13. Exposed baseboard copper
  14. Radiant floor heating - guess?
  15. Return air vs. dryer vent
  16. copper section betweem black iron
  17. Kitchen Range Hood Safety
  18. Heat Pump or Electric Heat??
  19. Is it dangerous?
  20. "Return air"
  21. uh oh
  22. Date of Manufacture, Burnham Boiler
  23. Handy Page for Deciphering Furnace Ages
  24. Inspection of vents in attic
  25. Commercial Ductwork
  26. Length of PVC vent connector
  27. Age
  28. Oil fired boiler in garage
  29. Flex pipe for furnace exhaust pipe?
  30. Oil Fired Boiler and Gas Water Heater Venting in Same Flue
  31. HVAC systems during construct
  32. Unusual Direct Venting Configuration for Crawlspace Furnace
  33. SJC Corp Furnace Age?
  34. Combustion Air?
  35. Direct Vent clearance to bathroom exhaust duct hood
  36. thermostat question
  37. Age of through-wall Emerson AC?
  38. Air condensate drain lines
  39. Nothing like a nice warm bath
  40. Furnace exhaust fan
  41. CSST on finished garage wall?
  42. Trane XR90 missing vent??
  43. Furnace age
  44. Blue residue on gas shut off valve
  45. AC Condensate Line
  46. Help writing up a chimney
  47. What Does This Switch Do?
  48. Condo venting??
  49. Missing gas flue from the furnace
  50. Main Gas pipe to Water heater
  51. Termination of heating unit
  52. Gas furnace flue tied in to chimney
  53. Heat pump freezes up
  54. Furnace in the bedroom.
  55. venting and Return air distance from each other
  56. Heat pump for split system
  57. PVC pipe on gas regulator?
  58. Condensate line design
  59. Furnace test in hot weather
  60. Thermo-ply Requirement
  61. Odd furnace vent
  62. Goodman A/C Fused
  63. Radiant snowmelt controls
  64. Bathroom venting
  65. WHOOPPS
  66. Boiler venting through sidewall
  67. Icy A/C line
  68. Water Heater Pulling Double Duty
  69. Window clearance natural draft WH vent
  70. Help to determine the year it was manufactured a National Comfort furnace?
  71. Plumbing, Cables, Line Set Routed Through Duct
  72. How ancient is my A/C?
  73. HVAC ducting question
  74. A/C Duct Output Temp vs. CFM Air Flow
  75. What type of AC system?
  76. Max Amp rating on outside AC
  77. circuit board wired outside air handler
  78. Extra AC return vent
  79. My first sediment trap
  80. CO detected at supply registers
  81. Old Carrier Heat Pump Age
  82. Mold in A/C plenum-Mold assesment or replace?
  83. Crystal formation in combustion chamber
  84. Added Load
  85. This this A/C correct
  86. Can I get a name for this part(s)?
  87. A/C compressor sucking discharge air back into coils
  88. New Cat IV Burning Smell
  89. AC quits working while I'm inspecting
  90. Can You use a smaller coil to a bigger condenser
  91. Trane Air Handler CFM Needed
  92. Flue Venting clearance
  93. Any issue with 45 elbow down on Cat IV vent termination
  94. Furnace exhaust flue clearance
  95. Age of AC
  96. Miss match compessor & coil
  97. Secondary condensate in attic
  98. Dirty Condensation
  99. Control
  100. Negative slope - furnace flue
  101. Vent issues for high efficiency furnace
  102. Deteriorated flue pipe!
  103. Duct work need it explained
  104. PEX Hot Water Line Temperature Rating
  105. Return air from the outside
  106. Auxiliary Drain Pan Switch Testing
  107. Gas shut off valve
  108. Legal W/H Duct
  109. PVC fire rating
  110. mold growth on air supply register
  111. Condenser amperage draw
  112. HVAC suspended from rafters. What is the correct method?
  113. Low limit on Thermostat
  114. Anyone recognize this particular equipment
  115. Return Air
  116. HVAC Filter location
  117. Can anyone I.D. this
  118. New one for me
  119. York/Unitary condenser age
  120. Direct/indirect venting question
  121. Corroded Galvanized Duct & Associated Fluid
  122. Excessive condensation from A/C set too low
  123. Furnace in bedroom closet
  124. Ok or or not
  125. Help with rotting flue pipe
  126. Furnace installed in Attic
  127. Air handler tonnage
  128. Exterior Disconnects for Heat Pumps at Ground Level
  129. Corrugated Stainless Steel Tubing Issue
  130. Goodman condenser overcurrent protection
  131. Armstrong furnace
  132. Old Style Expansion Tank
  133. OLD JANITROL FURNACE VENT PIPE
  134. Power Vent utilizing "B" Vent
  135. B-Vent Installed Horizontally Outside House
  136. Fuel oil odor still in Cellar
  137. Water Heater Vent
  138. 95% furnace condensation question
  139. OLD STYLE COMMON HVAC UNIT SERVICING SEVERAL TOWNHOUSES
  140. Can you tell me what this is?
  141. Your Opinion on Boiler Callback
  142. New efficiency requirements?
  143. gas pipe through heat duct
  144. Wood stove - Minimum heating standards
  145. aux pan for attic condensate pump
  146. Furnace Capacity
  147. Venting Question
  148. heated garage
  149. Age of Brock furnace
  150. Electric furnace
  151. In floor heating
  152. Boiler TPR Valve
  153. Running A/C in cold weather
  154. Boiler/Water Heater
  155. Flexible insulated ducting info.
  156. A/C Condensate Drain Line Insulation
  157. Moisture Stains around heating vent
  158. Whole house ventilation system
  159. AC condenser on other side of gate from disconnect switch. See photo
  160. Wood Burning Furnace
  161. swamp cooler installed in garage venting to kitchen
  162. Seems a window type unit would have been a lot less expensive
  163. Need data on a Bryant 230-4wg boiler
  164. Exhaust from high efficiency furnace
  165. HVAC ducts in garage
  166. Ice on Chimney
  167. Downward flue pipe
  168. Furnace Installation
  169. Heat Pump Identification
  170. Disputing "Service Disconnect" with General contractor
  171. Makeup Air In Energy Star Home
  172. conditioning only parts of a home
  173. A/C Unit size
  174. Boilers
  175. Code for vent pipe slope
  176. HVAC ducting on the Ground in a sub area
  177. Need help identifying brand and age of condenserunit please.
  178. Cat IV Wall termination
  179. Need help on Lennox condenser size
  180. Pressure Cooker
  181. Furnace Pulling Return Air from Attic
  182. Mold in Duct System
  183. B-Vent Is Exhausting Bathroom Vent Fans
  184. high humidity horse barn
  185. Payne Age
  186. Is Entran 3 (heatway) bad?
  187. Vent clearances from window
  188. Age of Climate Master Geothermal
  189. Heil furnace question
  190. What is this on top of the furnace?
  191. What is this duct mounted gizmo?
  192. Lennox AC age?
  193. Foam application on ductwork?
  194. 3 minute delay for condenser to respond
  195. asbestos on vent pipes
  196. Strange furnace filter
  197. Clearance for fresh air intake from AC condensor
  198. Seller says inspector not ethical
  199. Carrier Heat Pump Decoding
  200. Gas vent clearance from evaporating cooler.
  201. What has happen to common sense?
  202. Is this furnace exhaust vent pipe acceptable?
  203. No access to evaporator/air handler
  204. Air exchanger no condensation
  205. Wall mounted Heat pump on furnace ?
  206. Relator Problems
  207. What are the 2 PVC pipes?
  208. Restricted Air Return?
  209. Return Air requirements
  210. " . . . exhausted directly to the outdoors?'
  211. Gas line connection for furnance
  212. Clearance to compressor
  213. Take a guess at what this is
  214. Should all heat pumps have a thermostat that is manually selectable to EMT coil heat?
  215. Combustion Fan With Standing Pilot?
  216. Boiler Circulation Pump
  217. Whirlpool Heat Pump Date Code Help
  218. Brain overloaded
  219. I want to give a special "Thank You" to...
  220. Mold on furnace plenum register
  221. Steel Structural tube going through supply plenum
  222. Bark Mulch & Termites.
  223. Space-Pak date of manufacturer
  224. Disconnect for electric central heat unit
  225. Coleman Forced Air Furnace Age
  226. Return vent above wood stove
  227. "Chrysler" Gas Furnace
  228. Unusual heating set up
  229. FURNACE IN BASEMENT BEDROOM CLOSET
  230. furnace vent connection
  231. Furnace age
  232. Drip leg required?
  233. Just a tip!
  234. gas furnace in floor directly in front of bedroom door
  235. Gas Line in Contact with Furnace Flue
  236. Return vent for HVAC above non vented fireplace
  237. Painted Air handler coils
  238. Furnace B-vent thru bedroom closet
  239. How to deterine the proer size of return grill?
  240. Can a HVAC inspection report be written by a secretary (unlicensed)?
  241. FAU in mobile home
  242. Inadequate Duct Size
  243. Furnace Vent Flue Too Long?
  244. Condensate trap.
  245. Primary Drain Line
  246. Is this a proer p-trap for a HVAC condesation line. I see it a lot.
  247. A/C air handler condesate pump
  248. Run Gas Heater w/110+ outside temp?
  249. Furnace Flue Identification
  250. Help with Identifying this unit???