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  1. Is there an Obama approved 5t heat pump?
  2. Opinions on CAC models please
  3. Carrier part question
  4. Weedwhacked a wire...
  5. TCONT 800 , setting for vacation cooling?
  6. 2 zones, 1 system in 4 year old house
  7. New Thermostat -No Air and No Blower
  8. Lennox goes green
  9. ESP
  10. Carrier FX4C air handler vs FV4B because of replacement cost of blower motor
  11. secondary ac unit filter necessary?
  12. Rheem classic 90 contour - motor shot???
  13. Safety overflow switch
  14. Upstair HVAC System in Dallas Cooling at Only 1 Degree Per Hour. Is it working?
  15. Derating furnace - adjust pressure or change orifice?
  16. Please explain this ducting connecting the return and supply side of air handler
  17. Low Suction Pressure
  18. Test existing duct work for leaks prior to new ac installation or after? FPL does it?
  19. Tech said he has never seen this before, have you?
  20. Help Me Before I Sign My Contract
  21. lennox system question
  22. AC in attic Working hard at hardly working
  23. Considering a Single-Stage Heat pump with AUX 2-stage heat
  24. New Carrier Heat Pump sweating profusely
  25. Dayton Furnace model GFS9100C16UP11H
  26. Have y'all ever had a service call w/this problem?
  27. Need an answer quickly!
  28. Tax Credit question
  29. High Pressures
  30. Expectations too high?
  31. attic insulation question?
  32. Ductless Minisplit
  33. Thoughts needed. Townhome Heating & Cooling issues (w/ pics)
  34. Guessing vs. Load Calculation
  35. Finally got my financing together, final specs on two systems
  36. How level does the compressor/condensor need to be?
  37. How to reduce overcooling and humidty with IAQ?
  38. Two Stage Furnace Problem
  39. Help! Set the stat to 76 good for a while, then jumps to 80/82!
  40. Please help me...need a pro's advice on a problem !
  41. VAV, what it is and isn't
  42. '94 RUUD Compressor dead? Need advice on new system
  43. Looking for advice on two-stage furnace
  44. YORK Split System - Opinions?
  45. A Storm Killed my Heat pump
  46. Question about Cycles Per Hour-Infinity
  47. Ooops Wrong Address!!!
  48. Need Advice before they come back to fix it tomorow. SEER and Continuous Flow.. etc.
  49. Failed town inspection - a couple of questions
  50. furnace total btus
  51. why is it hvac folks say too many problems w/ vs furnaces?
  52. Ice inside and outside
  53. Please comment on my proposed system
  54. Clog in AC Unit / Emergency overflow pan?
  55. Need Opinion
  56. copper line too small to air handler solution?
  57. duct cleaning: is this snake oil?
  58. What should I expect for preventative maintanence?
  59. Worked fine for a couple hours?
  60. Can Furnace Blower handle AC Upgrade? Help!
  61. Replacing an old A-Coil to match the Payne PA10
  62. Rheem Split System
  63. Samsung mini split
  64. HCFC R-22 phase out
  65. what should my temps be?
  66. Armstrong 2 stage A/C
  67. Carrier Infinity Fan Question
  68. Differance between 25hpa536h30 and 25hpa536a310
  69. Replace/upgrade my system now or later?
  70. What to Expect with Service Call
  71. Carrier Edge Thermostat Outdoor Temperature
  72. peircing valve
  73. window ac
  74. humidistats or thermostats
  75. Trunk from basement to second floor
  76. Janitrol GUI075-3... When were these made?
  77. Temperature control through air circulation
  78. receiver tank
  79. Amana Coolong Condensing Unit Fan stops spinning
  80. low pressure switch
  81. Anyone used 421A drop in?
  82. Amana HVAC Unit not working
  83. Old unit not cooling well. Time for a new one?
  84. 2 Stage AC wiring question and quandry.
  85. Manual J calculations for my address available online?
  86. Encapsulated crawl space
  87. Final decision time... 3 Ton 15 SEER Carrier or Rheem Heat Pump System
  88. AC doesn't cool house during day
  89. Zoned System Question
  90. 410a Huh?
  91. Things that Builder do to cut cost
  92. Size for new system
  93. RPM'S
  94. Replacing Ruud heat Pump with Ruud heat pump?
  95. T-Stat Question
  96. New System Not as Cold as Old System
  97. Can moisture removal be calculated?
  98. Putting HVAC Into Shade
  99. Attic Install 90 percent payne furnace
  100. Compressor locked up
  101. PLEASE HELP
  102. It was 92 degrees outside,and my heat came on
  103. Upgrade
  104. Wireless Thermostat
  105. system recovery
  106. Help Drain pan filling with water
  107. still good but old GE - 21LG-25K12
  108. Master Bedroom is at least 3 degrees warmer than rest of house
  109. Will this configuration qualify for the tax credit?
  110. Leaking D.E.S. 80 furnace when A/C is running
  111. Payne PF1M
  112. Bryant Evolution Condenser Unit without Evolution Control
  113. cyclinder question
  114. Is there any way to get the tax credit by doing this?
  115. Booster Fan Wiring
  116. Is 3 Ton Enough?
  117. compressor protection on zoned system
  118. To close or not to close the basement door
  119. Blower motor run capacitor
  120. Forced central air unit doesn't cool much
  121. UTILITY ENERGY SAVER SWITCH & INFINITY SYSTEM
  122. Payne VS Arcoaire
  123. Section 25C of the Internal Revenue Code
  124. Compressor not starting when hot, technician wants to remove TXV
  125. Need pro advice
  126. Central AC with too much air?
  127. Please help me help my tech
  128. Help - Compay Owner Coming in the AM - Condensate Line Blocked
  129. Affinity Air Handler
  130. Need help with very old fan motor
  131. Quick Buz
  132. AC Plenum sweating/rust
  133. parts!
  134. Choices, choices, choices
  135. New Air Conditioning & Tax Credits
  136. Single Stage vs. Dual Stage Heat Pump?
  137. Sealed Envelope
  138. New A/C Install - 14 or 16 SEER & tax credit
  139. What is the industry average?
  140. Packaged Heat Pumps
  141. American Standard and Tax Credit?
  142. What size is this a/c unit?
  143. Recommendations for quiet return air grilles?
  144. high psi, low psi cutout recommendations
  145. HELP -- ASZ16 Install split level question
  146. running new ducts to addition
  147. Can 3 Ton ducts support 3.5 or 4 ton unit?
  148. new 13seer cond unit on older indoor unit not cooling.
  149. Does this sound right, 24 degree temp drop?
  150. Need Help, Summit A-Coil Model Number?!?!?
  151. Introducing Oberon...
  152. Variable speed air handler with old existing ductwork?
  153. Cold air return panning
  154. Trane XL16i
  155. Heat pump liquid line gurgling
  156. Think I Got Lazy
  157. mini split...1 indoor unit or 2?
  158. Basic HVAC Goodman or York better
  159. combustion air snorkel
  160. Dual Fuel Service-What's Really Needed?
  161. A-coil freezes only at night.
  162. Trane XB13 or XR14...HELP
  163. Need advise on which unit
  164. Indoor Relative Humidity on a warm day
  165. A/C issues
  166. Goodman ASPF with GSH14024
  167. Mini split install question.
  168. What do you think of this hardware?
  169. Trane vs. Heil, What to Buy...
  170. Brand new home not cooling?
  171. HVAC Woes - Need Opinion
  172. Refrigerant restriction
  173. 4 ton coil on a 3 ton unit?
  174. What kind of duct is this? How to re-connect
  175. Manual J, 2.5% and extraordinary years
  176. HVAC recommendations for a 1 bedroom, 700 sq ft outbuilding?
  177. getting 2 new central systems
  178. Attic Insulation
  179. Humidity problem w/ Trane XL20( South Florida)
  180. Swapping out a unit for a unhappy customer?
  181. Thermostat issues
  182. blower speed
  183. Break in Time
  184. mobile home a/c
  185. Some pro help
  186. Potenial relays
  187. Help/Questions about Amana ARC30 A/C and GCI090 Furnace
  188. Recommendation for a good T-Stat
  189. coil size
  190. Ducts...What's Best
  191. New homeowners need AC advice - repair or replace
  192. Ruud 2 stage PRL-JEC 16 seer data connection?
  193. Discharge vapor pressure vs. outlet condenser pressure
  194. Rreducing high static pressure on a new system
  195. a little advice/help needed
  196. No more restriction, Thanks!
  197. Insulation inside Furnace
  198. GE THQC Circuit Breaker Failures
  199. Early 80's Rheem 3.5ton central a/c?
  200. Who Provides Tax Credit Certificate?
  201. Digital Humidity Gauge
  202. Thermostats?
  203. return from one system into another...
  204. indoor fan won't come on
  205. Air Conditioner/Dehumidifier with Ventilation
  206. Need help sizing a PTAC unit
  207. Maytag sold and quality going downhill
  208. Any benefits in going with R22 at this point
  209. Blowing fuse about every three days in the heat of the day
  210. 2 Stage Furnace and Temperature Rise
  211. Carrier Infinity Seer 19+Honeywell IAQ Controller/Low Spd Issue
  212. Setting for Humidity & De-Humidity
  213. 5yr. old AC tripping Breaker
  214. return duct size
  215. Multifloor Return Air Duct vs Fireblocking
  216. forced air or radiant heat?
  217. Dirty socks smell on new trane system
  218. Cleaning Return Grill
  219. Can my furnace even support this AC Tonnage?
  220. Put it Where????
  221. What was considered high efficiency in the 80's?
  222. Costco is selling Lennox in Canada-- ? recommend
  223. Radiant vs Forced Air Heat / then ERV and A/C?
  224. Mitsubishi MXZ30TN2
  225. Setting for upstairs
  226. Carrier Infinity SEER 19 Control option
  227. Two stage HP switching?
  228. Line only sweats when air handler door is removed?
  229. Condenser problem...?
  230. Carrier Infinity? Is it a good unit?
  231. Replacing 33-year-old system
  232. Mod-Con Boiler/Air Handler VS. Furnace/Tankless
  233. Return Grille Filters and Airflow??
  234. Cost to benefit of high efficiency units in existing homes
  235. Increase blower speed? models and pic included
  236. New RUUD ultra series installed, question about chagre.
  237. Dual fuel kits for HPs
  238. airflow??
  239. can AC cause a FIRE?
  240. Spacepak shutting down condenser--icing??
  241. suspect condensate problem
  242. water in the pan
  243. Require New HVAC system
  244. Advice on New condeser
  245. Had a Tech Out
  246. Advice on "Dented" Line
  247. Automobile A/C Compared to Residential Split Systems
  248. CARRIER INFINITY FILTER
  249. Have a weird one guys need your help!!
  250. Humidity control vs tax credit?