View Full Version : Heating & Air Conditioning

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  1. How cool should a 14 or 14.5 seer, 5 yr old AC unit, keep an upstairs?
  2. Air valve on hot water system possible?
  3. Replacing indoor unit for heat pump.
  4. Need wiring diagram for.. york mgus357802... or G=HC03AA
  5. Should my a/c condenser unit be level?
  6. How do I set target temp up from 70 to 75
  7. The outside fan won't start unless I push it with a stick, what is the problem?
  8. Bryant air conditioning unit 310AAV/JAV blowing warm air?
  9. My rheem A/C outside compressor is not coming on, I just hear a humming
  10. I have a MARCO Galaxy S36-DV gas fireplace. Where can I get a blower assembly?
  11. Swapping out a unit with and exact model.
  12. In April 2010 I have installed a Noma non programmable thermostat in the bathroom wit
  13. How can I troubleshoot deforst boar
  14. How can I troubleshoot deforst boar
  15. Damp on bedroom wall after lighting a fire downstairs
  16. Why does my oil furnace smoke after the flame shuts off?
  17. I have a water furnace and the high pressure light in on
  18. Unidare storage heater thermal fus3 replacement procedure
  19. Ac compressor or thermostat
  20. My ac only works when fan is set to "on" and not on "auto"
  21. Will a 2 stage thermostat work on a single stage system
  22. I need a parts schematic and users manual for an armstrong sx90 furnace?
  23. Need parts schematic / users manual - armstrong sx90 furn. M. # guk 075d10-3a
  24. Honeywell T8411r to RTH230B
  25. Oversizing baseboard heat?
  26. When you turn themostate up to call for heat what's the first thing to turn on
  27. Air con bad smell
  28. I have a noma thermostat no model# I
  29. What is the part number for a txv for a lennox air handler model cb29m411p
  30. Central air unit is working but fan outside is not turning
  31. Trane xl80 draft pressure problem
  32. I have a Hydrotherm boiler and a closed residential heating system that will not heat
  33. Pressure cked OK... limit switck cked OK
  34. How to check a gas furnace limit switch
  35. Duomatic olsen ultramax furnace
  36. 3 blinks and a 2 second pause
  37. Expansion tank
  38. How high canI place roof vents for a Trane gas furnace
  39. My a/c is not cooling, it reading 70 degree, but it's about 90 it comes on for a seco
  40. York A/C outside unit, the fan running, compressor not running
  41. Rheem blower motor keeps running
  42. Blowe motor constantly runs
  43. Blower motor runs constantly
  44. Bryant model 373lav how to replace the blower fan
  45. Carrier Model 58G5100-2
  46. Installed new valve, but burner still won't light.
  47. Where is the reset button and/or model number
  48. Trane TUD XL 80 furnace buner flame kicks out after 3 seconds
  49. 2 thermostats connected to one furnace
  50. HVAC outside unit and fan only work intermittently
  51. White-rodgers 1F80-0261
  52. In April 2010 I have installed a Noma non programmable thermostat in the bathroom wit
  53. What size flex duct runs off a 5 ton air handler
  54. Trane central A/C turns on and off numerous times before staying on
  55. Central heating radiators coming on but not staying on
  56. Very little hot water
  57. This is old news but I have the Model THM501
  58. What other electrical diagrams are similar to point to point
  59. Wire to a electric heater to a thermostat
  60. How do I wire a new Honeywell RTH6350D thermostat?
  61. Installing a new a/c fan motor. My old one had three wires, this one has four.
  62. Heil circuit wire prints
  63. Condenser fan motor replacement
  64. My central air unit is freezing up on the outside unit pipe.. 80 degrees outside
  65. Why my house is not cooling if the AC is working properly?
  66. Branch location with a/c coil...
  67. Central a/c compressor shut off randomly
  68. Recently the turning on and off appliancess in the house impacts other appliances.
  69. Blower motor stays on long after the flame shuts off
  70. Selection of chiller pump
  71. Does this "Union" placement for a Heat Furnace violate code?
  72. Can I replace 12x8 cold air return duct with 12 inch flex duct in my basement?
  73. Ac seems to be on but no cold air there is a tiny bit of air
  74. Gas valve will not close on a intertherm furnace
  75. Can I run a 208-230 volts 1/3hp 60hz, model no ka55hfxcl-240 nfg k91c on a 110 or
  76. Need advice on lennox a/c coil sizing
  77. I have goodman GU125- 4 rev s
  78. My outside unit of my airconditioner won't turn on.
  79. Bryant furnace?
  80. How to wire noma with 5 wires blue, white, green,yellow, red
  81. How to wiring noma thermostat with 5 wires blue, white, green,yellow, red,
  82. Wiring diagram for a rheem heat pump using a trane thermostat
  83. Central Heating Not Heating Enough...
  84. Fan shuts off when it gets hot.
  85. Fan shuts off when it gets hot.
  86. Humming sound from the booster assembly, I think the pressure switch is bad. No Heat
  87. How do I wire an AO Smith 9723 fan motor in my Goodman ckl30-1 central air unit?
  88. Upgrade two wire thermostat to digital?
  89. I have a Sears 600 pilot free wall furnace, model # 867 734680
  90. Hi, I want to know if a pressurization unit is very essential for a closed loop chil
  91. Goodman gmp075-3 rev b
  92. Gas Smell from Water Heater & Pilot question
  93. Wiring diagram for carrier furnace model FA1ANA018
  94. Outside air condenser fan reversed
  95. Central air conditioner fan turns on and off every 2 seconds
  96. Precharge
  97. Goodman furnaces
  98. Is there a universal txv valve for a carrier wshp unit
  99. How do you convert 410A to 22 freon in a duraguard airhandler
  100. Air duct smells
  101. I have an orange rust fluid leaking at the bottom of my furnace and AC unit- why?
  102. Janirtol will not circulate air
  103. Is it safe to connect 1 phase and 3 phase components together in one power strip?
  104. Trane xv90 troubleshooting? MY trane xv90 is givving me a three blinking red code
  105. How to light pilot light on Intertherm Nordyne Model# MGH-100-AAWN-05? Made in 1987.
  106. Will I hurt my ac unit in my home having the thermostat set at 69 or 70
  107. Connecting a Pro Vision 8000 to a Rheem heat pump.
  108. Lennox Elite thermostat locked out, how do I reset it?
  109. I have a heil furnace mod ntp6/tne it flashes a code 4 [limit switch]
  110. I want to put an led light on my thermostat to see when it gets power
  111. Why won't ac cut off?
  112. Old boiler parts
  113. My house is cold, and the heat seems to be off. How do I start my Burham Indendeprenc
  114. Is it safe to spray butane on firewood for the use of having a solid fire going?
  115. Baseboard heating and cabinets?
  116. Inverter Technology for mini split systems
  117. White-rodgers thermostat to hunter-cooling working, not sure about heat
  118. Bryant furnace won't shut off...
  119. Intertherm unit wiring?
  120. Does my much older than 1987 home gas furnace have a filter or need maintenance?
  121. Air conditioner maintenance
  122. Attic Fan not Working
  123. Gas trane furnace got flooded and won't blow
  124. Tempstar High Efficiency SP80 won't light?
  125. Solder
  126. We are installing a new Honeywell programmable thermostat RTH 7400. There is not a pl
  127. Central air unit fan not working properly..
  128. Practice nate test
  129. When the battery goes dead in the A/C thermostat will the unit shot down
  130. When the battery goes dead in the A/C thermostat will the unit shot down
  131. Where is the fuse on a Heil furnace
  132. I replace fan motor and cap fan comes on but does not feel like it is cooling
  133. My ac compressor is throwing out cool air but the iunside air is not cold
  134. Rheem furnace blower motor won't run
  135. Heating-air-conditioning
  136. Honeywell rth6400 thermostat installation?
  137. Duomactic olsen ultramatic burner won't stay lit
  138. I have 5 wires to hookup to two coming out of Central air unit, which ones go where
  139. When did sears start making the series 600 gas furnace?
  140. Air Handler leaks from unidentified source onto first floor ceiling. Possible source?
  141. RTH6350D I am repalcing a TA 2000 thermostat with a Honeywell RTH6350D.
  142. Gibson blower motor not running. Unit outside freezes up.what's wrong? Relay Switch?
  143. Heat only thermostat wired to a pump?
  144. My a/c won't stop running and squeeks?
  145. Bryant Hybrid System Cost?
  146. Trane weathertron baystat 239?
  147. I have a monitor kerosene heater 422 and I'm looking for a fuel strainer
  148. Bryant furnace blower doesn't come on
  149. Pictures of central air a coil installation
  150. Excess water appears at the bottom of the Amana GUI/GCI Gas Fired Warm Air furnace
  151. Can I continue running my unit when it makes noise when it comes on
  152. Fan on the trane air handler keeps running even when system switch is off and fan swi
  153. Air conditioner blower motor how to know when bad?
  154. Oil Furnace or Heat Pump?
  155. DUCANE HEATER, led blinking red 3 times
  156. How to change the fan motor of york ac unit
  157. Why is my upstairs is cool and my basement is hot?
  158. Blower moter start then stop
  159. Is a 16 seer air handler and a 14.5 condenser called a 16 seer system
  160. Error e1 on carrier performance programmable edge thermostate
  161. Goodman furnace won't kick on...
  162. Trane heat pump thermostat has has no display
  163. Payne model pf1m
  164. Furnace light blinking 2 fast 3 slow?
  165. How good is Fujitsu Wall Mounted System
  166. Where is the drain pan on Payne Model PF1M
  167. Drain Pan
  168. Evaporator coil
  169. Where is the safety switch on my beckett afg burner
  170. Brivis Heater Error code 69
  171. The fan on my home A/C is not working
  172. Free online help with air conditioning in home
  173. Trane thermostat t874R
  174. Temperature in the house does not hold steady
  175. Older tran A/c unit cycles on and off.
  176. Rth203b troubleshoot
  177. Furnace Vent Motor
  178. Can you put furniture on a cold air duct
  179. Noma air conditioner manual
  180. Condensor/Capicitor Wiring
  181. Changed thermostat now only heat blows...
  182. Bryant central air condenser fan is running too slow and inside air in not cool
  183. Changed thermostat now only heat blows...
  184. Bryant central air outside fan is running too slow and inside air is not cool
  185. 13acd air conditioner manual
  186. Nordyne air conditioner furnace model #e2eb-012hb
  187. Carrier furnace 58mvb led diagnostics
  188. Nordyne air conditioner wiring diagram model#e2eb-012hb
  189. How can I get a wire diagram for a nordyne air conditioner model #e2eb-012hb
  190. Were is the filter on a Janitrol
  191. Compare 15 seer heat pump with 13 seer heat pump
  192. Heat pump vs electric heat
  193. Co2
  194. Evaporator coil
  195. I have a luxaire high efficiency furnace that will not stay ignited
  196. Reversing Valve on Goodman Heat Pump... why does it keep breaking?
  197. In hvac what's the difference MBH and BTU
  198. Boiler system calculations
  199. Single phase ac compressor wiring diagram
  200. Central Air Running But Not Cooling
  201. Replacing Janitrol HPT 18-60 with Honeywell RTH2310
  202. Will my capacitor hook up the same using the new rlyo2807
  203. Goodman gmp burner
  204. Air conditioner is not blowing out cold enough air
  205. Can you put 3.5 ton ac condenser with 3 ton a coil
  206. York air conditioning
  207. Pooling water when central air is off
  208. My Lennox Central Air unit will not turn on
  209. I have unit #EBV24BFC1 (house was built in 1972)and I need the Blower
  210. Do you turn off the pilot light on gas fireplace during summer
  211. My central air conditining is not cooling
  212. Do you turn off the pilot light on gas fireplace during summer
  213. Heil furnace blower not working
  214. Trane XR80 fan is continuously on
  215. Payne A/C 5 tons air handler unit
  216. Selection of chiller water pump
  217. Ac fan won't come on clicking noise from outside unit
  218. I central /c unit is not blowing cool air after I replaced fan motor and added freon?
  219. My a /c unit is not blowing cool air after I replaced fan motor and added freon?
  220. How to hook up 1F80-261
  221. Linesets
  222. Evaporator coil
  223. Furnace dcblower motor doesn't start in a cooling mode
  224. Furnace dcblower motor doesn't start in a cooling mode
  225. Ac is running but not cooling
  226. My central ac is not cooling
  227. Change
  228. Beach furnaces
  229. Increase
  230. Coleman evcon A/C model AC02M1021CG
  231. Coleman evcon a/c model AC02M1021CG
  232. AC outside unit not working
  233. Ac coil
  234. Can't get cold air out of the unit?
  235. My AC doesn't turn on during the day, when the attic is hot.
  236. Linesets
  237. Precharge
  238. Where dose the relay wires go
  239. 2 story townhouse in need of better circulation (cooling) upstairs.
  240. Thermostat does not turn on system
  241. Can you use R-22 from other Units
  242. What is the most average comfortable room temperature?
  243. Trane xl 1200 high speed fan inop
  244. Thermostat blank and furnace makes a buzzing noise
  245. Furnace questions
  246. How do you hook up a thermostat for a York furnace to the furnace?
  247. Breaker size for a/c heat pump
  248. Can cold air returns be in the floor?
  249. Condesor fan on Trane XB80
  250. Furnaces