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

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  1. Test for 90% furnace
  2. Heat pump/gas furnace temperature splits
  3. Vent flashing
  4. Romex through Furnace cabinet.
  6. Fire blocking around boiler vent
  7. quality install
  8. CSST in return
  9. AHRI Website.
  10. Condensate drainage to sump pit
  11. If you see flame-what could this be?
  12. Singer condensing unit
  13. Humidifier ID
  14. Sizing return air paths (undercut doors, etc.)
  15. Sizing heat source for radiant floor heat
  16. Mystery Black Box
  17. Mildew associated with Radiant ceiling heat
  18. Disconnected electronic damper
  19. Vent configuration
  20. Permanent filter
  21. Salt Air and the heat pump
  22. Here's a good one
  23. Dryer Vent?
  24. Combustion Air and M1703.2.1
  25. Gas burning furnace flue height in nyc
  26. Bad Heat exchanger ?
  27. Grimsby furnace age
  28. range hood duct insulation
  29. Age of Amana Condensing unit
  30. Condensate and A/C drain to the exterior
  31. Furnace not level
  32. Flash freeze "A" coil
  33. 1938 Boiler Pic
  34. Coleman Manufacture Date?
  35. Old gas floor furnace
  36. New A/C Compressor w/Old Air Handler
  37. Back drafting
  38. termination cap for an electric clothes dryer on a flat roof
  39. Proper material for furnace exhaust venting
  41. Air condition line
  42. Scorch at oil furnace
  43. Hot water line to humidifier
  44. Radiant heat installation
  45. new member
  46. Furnace vent initial rise
  47. how hot is too hot
  48. Furnace Closet
  49. Cellular core abs
  50. Any thoughts on this
  51. 3 Ton A/C in 2,000 Sq. Ft. House
  52. More white powder in the gas vent
  53. Can boiler pipes get hot enough to cause a fire if touching?
  54. Combustion air intake location
  55. Furnace in the kitchen
  56. New one...what is this ?
  57. Condensate drain lines connected together?
  58. Boiler turns on and off often??? What will cause this?
  59. Why is this wrong?
  60. A/C compressor breaker/fuse
  61. Help to identify
  62. A/C install
  63. Cracked Refractory Tile
  64. Improper sidewall vent
  65. Overhead oil delivery line.
  66. Venting to patio
  67. condensate drains through bsmt floor
  68. Help with Boiler age
  69. basement floor drain for propane leaks?
  70. Water heater venting
  71. What's this wire for?
  72. Here's another one...
  73. Return air vent
  74. draft barrier
  75. Two stage furnace
  76. AquaTherm Furnace
  77. Geo-Thermal Heating and Cooling
  78. Teledyne Laars Combo Water Heater/Boiler Information
  79. Air handler emergency overflow
  80. Clearance requirements
  81. CO or Cold Air Return?
  82. Return air directly beside furnace combustion chamber
  83. Gizmo
  84. Open Air Plenum
  85. Condensate drain line/Furnace Vent
  86. duct board; combustible material?
  87. Furnace and Water Heater Venting
  88. rusty secondary pan
  89. Corrosion/Deposit at Trane Furnace
  90. How do you check an ac unit?
  91. No overflow drain - just cutoff switch
  92. Condensate Line or Drip Pan
  93. Need advise on Oil Tank Language
  94. Supply air to bedroom closets
  95. Flashing around fireplace vent
  96. Two evaporator coils, one condenser
  97. Unusual surface rusting
  98. American Standard Bolier Age Help
  99. black rubber tubing on baseboard heat
  100. nice job
  101. 4-ton condensor, compressor stolen
  102. HVAC standards (2 story home in NC) question
  103. Inline Vent Connectors
  104. Condensate trap too big?
  105. Size of furnace
  106. Is a back flow preventer required on Forced Hot Water boiler systems
  107. Radiant heating
  108. Life span of an electric furnace ?
  109. condo return air space
  110. NREL invents new Swamp Cooler
  111. Surround sound in the HVAC ducts
  112. Condensate trapping for Fedders wall-mount electric furnace
  113. Clearance to Combustibles
  114. Insulation on Pressure flue in attic?
  115. PVC exhaust
  116. high efficiency pvc vent underground
  117. Supply register on shower wall
  118. Snow Melt Boiler On Exterior
  119. Dryer Vent Systems
  120. condensate hoses in high efficiency furnace
  121. Rinnai toyostove in bedroom
  122. Rusty heat ducts
  123. What causes this ? See photos
  124. Return chase/electrical
  125. Power assited fan for flue
  126. Flue material
  127. Air Source Heat Pumps - controller
  128. 6 Air Handlers 3 Condensers
  129. Power vent
  130. Foul odor at returns
  131. heat strips
  132. Condensate pump
  133. Bryant-Carrier Furnace install docs ?
  134. Quirky bathroom exhaust fan
  135. Age and size of unit
  136. 2/4 TYPE STO WIRE
  137. Enclosed oil tank
  138. Unconditioned space ducting
  139. Type of in floor
  140. 2 furnace units attached
  141. Return Duct (NOPE)
  142. Insulation on a/c refrigerant line
  143. chimney as supply duct
  144. 1950s supply damper control or what?
  145. New Home Construction and Flex Duct
  146. Anyone have a good pan drain line drawing or illustration they are willing to share?
  147. If fan is "On" will compressor still come on?
  148. Flex Ducts
  149. Sewer line thru return air duct
  150. Barry Stone Article
  151. Age of an Armstrong gas furnace???
  152. Humidifier drain line
  153. Ventilation requirement
  154. Heat Pump Question
  155. How to start an AC unit when thermostat is missing
  156. Finding This hard to believe
  157. Are Lintels needed for venting thru brick wall?
  158. Refrigerant leakage from coil
  159. 'Over fused' Electric Furnace
  160. Help with heating system
  161. Why is this AC unit working?
  162. water heater exhaust and air intake
  163. Partially blocked registers
  164. excessive moisture on duct system.
  165. Flex Gas Connector identification
  166. Condensing Furnace Air Intake Pitch
  167. New place to dump condensate
  168. This can't be correct
  169. Oil furnace vent type
  170. Breaker size in box VS data plate on unit.
  171. Condensation under condenser
  172. Missing secondary drain lines
  173. Attic Fire Stop
  174. evap coil
  175. equipment age
  176. Armstrong oil furnace questions
  177. Age of Electric Furnace
  178. Unheated Basement Ventilation
  179. Age of GE Condensing Units
  180. Condensate drain pipe above front door???
  181. Broiler settings for ceiling heat
  182. Disconnected Flue Pipe
  183. A few a/c ??s
  184. Slope of furnace vent
  185. Gas furnace venting
  186. Exhaust vents under a deck
  187. bathroom wall heater
  188. Take a look at the two middle burners in photos
  189. water heater failure
  190. portable heat pump in "bedroom"
  191. 3 ton condenser 1.5 ton air handler
  192. Furnace Age
  193. Fireplace Combustion Air Intake
  194. Anyone have a HVAC humidifier diagram they can share. See photo.
  195. Anyone have experience with these?
  196. Orphaned Furnace w/ Open Abandoned Flue
  197. Combustion Air Intake Vent
  198. Nice cp lookup
  199. Filtered Combustion Air?
  200. Minimum clearance between air-cooled condensing units
  201. Trane Heat Pump Year & Ton
  202. Radiant Heating Manifold
  203. When is a differential too high and what could a very high differential indicate?
  204. This return look like it may be an issue?
  205. Reporting decommissioned oil tank in good condition
  206. water in High Efficeincy furnace vent
  207. over sized ac breaker
  208. Sediment traps not insatalled???
  209. Age of Ducane gas furnace
  210. HVAC Ducts To Garage
  211. Any of you guys seen one of these furnaces before?
  212. munchkin boiler age
  213. Scorching at boiler cabinet
  214. re- How much a/c needed
  215. Condensate pump in attic
  216. Oil Furnance Age
  217. Overheatd AC disconnect
  218. Bryant 90+ Efficeincy condensate drain problem
  219. Garage hanging heater
  220. What causes this? See photo.
  221. Yet….another ……float switch question (With photo)
  222. furnace condensate line draining into a small hole in the concrete floor???
  223. 1967 boiler inspection
  224. Exhaust duct shared by bathroom fans
  225. Placement of supply registers in basement
  226. Condensate line gurgling
  227. What do you recommend for high rise humidification?
  228. TPR pipe
  229. Will a furnce heat exchanger crack with excessive heat?
  230. What code would this be.
  231. Boiler vent size increase
  232. furnace venting on ac unit
  233. Radiant heat
  234. Appliance connector inside furnace cabinet
  235. Boiler Installation Advice
  236. One return air in basement
  237. Corrugated Stainless Steel Tubing (CSST)
  238. No automatic shutoff switch at furnace service panel.
  239. Extra copper line at Evaporator. See photo.
  240. Return air duct in crawl space
  241. Can anyone identify damage
  242. Church mechanical room in NC
  243. Church mechanical room in NC
  244. Venting a high efficient system
  245. nuisance condensate
  246. worst ac disconnect
  247. Rubber? loop piping for radiant heating zones in mid 80s BC, Canada home - anybody?
  248. A "standard" split for an electric heat pump?
  249. A/C Duct Mastic
  250. gas vent on roof forming ice