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  1. Compressor Replace or Unit Replace
  2. compressor terminals
  3. Is this safe?
  4. fire hazard
  5. combination water heater and space heater
  6. Removal of Fins
  7. Question on reducing humidity by using bypass
  8. which brand in the multi-speed / variable comp?
  9. capacitor sizing-replacement???
  10. RiteTemp 6030: air cooler doesn't turn off
  11. Determining cooling hours
  12. Trane Xl15i lights dim when started (Hard Start Kit?)
  13. Trane TWA048C300A2 contactor not engaging all the way
  14. Need Help with AC
  15. Split systems vs. ductless
  16. American Standard v/s Payne Systems
  17. Another XL16i running constantly + won't cool thread
  18. Forced air wood furnace
  19. Advice on replacing 20 yr old Ruud system
  20. A Coil Too High for Supply Ducts?
  21. Who is qualified to give an answer, and who is a wannabe?
  22. Problem with new installation
  23. real-world difference in 13, 14, 15, etc. SEER
  24. Need HELP from the Pros!!!!
  25. 3 ton condenser with 4 ton indoor coil
  26. Correcting a hacks mistake. Impossible? circa 198X
  27. Trane 5 ton split system replacement instead of repair recommendation.
  28. Ruud vs Carrier vs Goodman/Amana
  29. Humidifier? Two Speed? Variable Heat Output?
  30. AC Shutoff
  31. New thermostat now AC wont come on
  32. Is it reasonable? Labor to install a new compressor
  33. Attaching R6 flexible ducts
  34. Is There Any Advantage to Adding A Second Return Grill?
  35. What to do?
  36. BOC RS600 Nitrogen Regulator - thread on Inlet Connection (UK)
  37. Partial system replacement?
  38. Commercial and Residential Service Techs
  39. Replacing Mercury Thermostat with Digital (Heat Pump System)
  40. Carrier vs Lennox bids - no brainer?
  41. Own a Home or Rent, this Cap & Trade Bill may affect you
  42. Compressor sound when cycles off
  43. Any reason *not* to go with the high-efficiency models?
  44. Advice On Air Filtration Systems
  45. What is the best fix for condenser unit leak?
  46. brazing lines
  47. Frankstein HVAC not cooling when hot outside
  48. Getting Worried/ gas turned on/pilot off!
  49. What Constitutes A Quality Install ?
  50. Venting 90+ up chimney
  51. Help: XL15i Back order
  52. New coil problem?
  53. CARRIER FV4BNF002 OR FV4ANF003
  54. luxaire/york 33109167000 furnace board replacement
  55. when to replace capacitors?
  56. What do you think of the Goodman GSZ130361 Heat Pump?
  57. Removed Oil Furance - Advice on what to go back with
  58. Vision Pro th8220 ?'s
  59. Aspen Coils
  60. Multizone
  61. Replacement ?
  62. Gas Vent Pipe Dripping White Substance
  63. What is the difference?
  64. Heat Pump struggling to keep cool
  65. New Bryant AC system?????
  66. Lennox XC13 Condenser
  67. Buying a used 10 SEER uncharged condenser?
  68. Mystery: Blown Boiler -- House Covered in Ice
  69. Trane rebates.
  70. Static Pressure effects
  71. How to size dehumidifier?
  72. AC cycling too much?
  73. HVAC system banging after repair visit
  74. Goodman condenser on a Trane air handler?
  75. buzz noise?
  76. Closed Crawlspace Report
  77. Let's Talk About Setbacks
  78. Excessive moisture outside air-handle
  79. Compressor Oil
  80. When to pay for Installation-before or after Inspection
  81. buzzing sound
  82. HWH install not to code
  83. Rental House A/C has been running with NO filter!
  84. Looking for HDD Bin data for Kansas City
  85. Please Help
  86. Sanyo Ductless Contractor Needed
  87. Moron Alert: Halp Pls
  88. Finding an expert
  89. Parker front seating service valve
  90. Low humidity question
  91. What would YOU buy?
  92. One for the "Wall of Shame"?
  93. GCS series condensor fans
  94. Does American Standard make this furnace: AUHR9V?
  95. Duckbord fittings and splicing flex duct
  96. Insulated line from condenser
  97. Buying a "smokers" house, is the coil and ducts affected?
  98. Carrier Infinity 24ANA7 qualify for fed tax rebate?
  99. Lennox AC condenser replacment
  100. How do "reversible" filter/dryers work?
  101. Info on old Carrier
  102. Please help me figure this out
  103. Was my AC evaporator coil changed?
  104. Manufacturer Rebate Programs
  105. condensate drain tray is full
  106. Should I even consider an early AC replacement?
  107. all confused
  108. York magic, a Humidifier that REMOVES moisture
  109. need help diagnosis new A/C install
  110. Am I retiring my current furnace too soon?
  111. Brazing with nitrogen
  112. Upstairs Rheem bolwer just stopped, warranty ?
  113. Additional Duct Trunks off the Plenum
  114. No 5-Ton Split Systems Qualify for Tax Credit?
  115. Sigh. Total replacement time has finally arrived.
  116. Amana ASX18 Opinions?And labor warranty
  117. I keep hearing that a proper install is critical, so ...
  118. Fujitsu Halcyon TROUBLE!!
  119. carrier heatpump air to air help!
  120. Energy management program
  121. Ariston Mini Tank hot water heater
  122. Please help - I'm in Hotlanta!
  123. New House... Old HVAC System (NEW GUY)
  124. Does it pay to split a return air duct?
  125. Honeywell IAQ - Touchscreen glass loose?
  126. Carrier HVAC installation photos
  127. Where can I find specs for Carrier equipment?
  128. Recommend a good installer / contractor / company for SoCal
  129. Is this to code?
  130. Windstorm resistance of rooftop package units
  131. Homeowner Needs Help
  132. What happened to "No DIY" ?
  133. Help on Mr. Slim MS12TN
  134. Federal Tax Credits
  135. I guess my A/C is oversized
  136. Carrier FA4ANF024 and FA4ANF036 water issue
  137. Question Best Service Practice Trane XL1200
  138. Trane XL1000 KS1 Hardstart / Compressor Noise
  139. Mini Split Ductless in Apartment
  140. What do I gain with a 2 stage heat pump?
  141. Size difference with R-22 vs. 401 units?
  142. Select an electric heater for fan coil unit
  143. NEED ADVICE ON LENNOX C 33 SERIES FURNACE
  144. Implications of buying new R-22 unit
  145. enough return
  146. Wall hung AC
  147. Vent Temp on New Install
  148. Labor charges?
  149. BACnet or LonWorks, VAV terminals in the home
  150. Help me to narrow down the choices in oil to gas conversion
  151. How to decide -conditioned or unconditioned basement mechanical space?
  152. New System Suggestions / Input
  153. Filters, and choices
  154. Breaker Trips
  155. Rheem heat pump
  156. Capacitor voltage
  157. Carrier 14 vs 15 SEER AC model numbers
  158. How old are these fuses?
  159. Heating&Cooling Dilemma.
  160. Bryant's Legacy Heat Pump 223RNA ?
  161. Hot in Dallas!
  162. THERMOSTAT LOCATION 6 UNIT
  163. Line Set Reuse R22->R410a-Tomorrow!
  164. keeprite sx 2400
  165. Help Please...IS there a major difference between a Carrier FV4B and an Bryant FE4
  166. Looking for guidance...New HVAC Install
  167. Adding AC to existing system
  168. Newbie with concerns
  169. Hi-Velocity Pavillion vs Space Pak or others
  170. Durham/Raleigh, NC area - questions on aging condenser.
  171. Opinions on a new install
  172. Evaporator Drier??? What Is It For? Needed?
  173. New Split System Problems
  174. Variable Speed - is it working?
  175. 2006 UMC
  176. Space constraints for higher SEER units
  177. Combustables in R/A plenum for a Dwelling
  178. Trane Xl14i with no coil!!
  179. Adding 6" blown in isulation to attic
  180. Difference between 4TEH and 4TEC air handler
  181. Used Trane XB10 (1.5 ton) and AH for XXX
  182. Fujitsu error code nquestion.
  183. For New Systems: How To Search for Performance Data
  184. Which air handler for this application
  185. HVAC needs to be replaced soon
  186. Narrowed Replacement Down to Two Systems
  187. Intermittent fan operation
  188. Sanity-check
  189. Decreased life span of unit dehumidification
  190. Texas Residential - Is this to be expected?
  191. Which system match is best (Trane)
  192. Honeywell VisionPro IAQ Thermostat/Remote EIM Problems
  193. Does anyone know the ratings for this system?
  194. Heil N4H336GKB vs H4H336GKD - any thoughts?
  195. Climate Master Tranquility 27 Trouble
  196. Another AC question from Texas!
  197. opinion on new line set when going from R22 to R410a
  198. Programmable ECM blower?
  199. What is required for a manufacturer to honor their warranty?
  200. Is Trane coming out with a 5ton that meets tax credit parameters?
  201. Pleated Filter Question
  202. What do you think of this system?
  203. Can Trane coils be repaired?
  204. Which HP system - Carrier or Trane
  205. carrier Infinity-confused on model numbers-help
  206. AC runs Continously ONLY During the Heat of Day
  207. Which system would you choose? Ready to buy now.
  208. Noise line set
  209. Window A/C Compressor "Throbbing"?
  210. I will never install a centeral FAU again …. if
  211. Coil size or part number
  212. AC Adequate?
  213. Ignorant Single Female, in major need of AC Guidance, out 2k and AC still NOTworking
  214. PTAC smelled like ammonia, and stopped cooling
  215. Blower Door Test Results and attic insulation questions
  216. Tstat,HP,Modulating Furnace-Who Does What?
  217. New System Damaged Permanantly?
  218. Just a dumb single mom in Texas
  219. Propane Question
  220. Worth Replacing older working HVAC now?
  221. Difference between Commercial and Residential HVAC design?
  222. Negative pressure vs. additional return
  223. Acadia verses regular HP verses Mini Split
  224. Trying to understand
  225. Questions about Trane units
  226. Carrier Infinity vs. Performance
  227. Leak Test Tools
  228. Need help making a decision on new system!
  229. What causes leaks in coils?
  230. Please Help us choose which system is best value for $. 3 choices?
  231. Conflicting Mitsubishi mini split ratings
  232. Contractor Installs Wrong Size AC
  233. 1/4" lineset for 1.5-ton XL15i?
  234. Nutone IQ Drive System Noise
  235. HVAC Quote received, what questions should I ask?
  236. Are there matches not on AHRI that qualify for tax credit
  237. Differences in Trane product line
  238. Is a slab coil a stand alone unit?
  239. Old 110,000 BTU Luxaire to 45,000 BTU Rheem?
  240. Which would you put in your own home?
  241. Need help making a decision!!
  242. Condenser Fan keeps turning
  243. Copper Fittings...
  244. New system - service every spring and fall?
  245. Almost Done, What's Left To Do?
  246. UV Light Versus Filter???
  247. How do these two Lennox furnaces compare in the "real" world?
  248. AC Blows hard and noisy
  249. Looking at a house with an oil boiler, what to do? (pics)
  250. Carrier Infinity shuts down for hours when power goes out temporarily