A-C, Heat Pumps & Refrigeration

Discussion List

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  R134a

  johnjohn89 151 views 7 comments 0 points Most recent by pecmsg August 2022A-C, Heat Pumps & Refrigeration
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  Solved: HVAC tech says everything is working correctly, but air temp out of vent is 90 degree

  tommygags 341 views 11 comments 0 points Most recent by EBEBRATT-Ed August 2022A-C, Heat Pumps & Refrigeration
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  Controlling cold climate heat pump with gas fired hydronic baseboard boiler backup heat

  bobtee 103 views 7 comments 0 points Most recent by bobtee July 2022A-C, Heat Pumps & Refrigeration
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  refrigerant

  cutter 295 views 27 comments 0 points Most recent by ChrisJ August 2022A-C, Heat Pumps & Refrigeration
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  Carrier Continuous fan

  johnjohn89 327 views 4 comments 0 points Most recent by mattmia2 July 2022A-C, Heat Pumps & Refrigeration
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  Need help with repairs to Apollo heating/cooling system

  Ed_2 275 views 8 comments 0 points Most recent by hot_rod January 17A-C, Heat Pumps & Refrigeration
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  Intermittent AC locked rotor condition-- resolved

  DJohanson 2.8K views 24 comments 0 points Most recent by EBEBRATT-Ed August 2022A-C, Heat Pumps & Refrigeration
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  New A/C works great but house smells like old brick/masonry when it runs!

  JimHP 124 views 7 comments 0 points Most recent by ChrisJ July 2022A-C, Heat Pumps & Refrigeration
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  Stage cool

  johnjohn89 53 views 2 comments 0 points Most recent by ratio July 2022A-C, Heat Pumps & Refrigeration
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  Setting Fan Speed

  Jeb1 259 views 13 comments 0 points Most recent by BlueGreen July 2022A-C, Heat Pumps & Refrigeration
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  Reconciling different EPA statements on R410A`

  archibald tuttle 73 views 3 comments 0 points Most recent by archibald tuttle July 2022A-C, Heat Pumps & Refrigeration
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  Nest Thermostat Dual System

  sphelps81 188 views 3 comments 0 points Most recent by GW July 2022A-C, Heat Pumps & Refrigeration
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  Head pressure

  johnjohn89 304 views 13 comments 0 points Most recent by ratio July 2022A-C, Heat Pumps & Refrigeration
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  410a/r22 Chart

  johnjohn89 1.2K views 16 comments 0 points Most recent by ChrisJ August 2022A-C, Heat Pumps & Refrigeration
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  bidding out/designing central AC

  SteamedInWharton 126 views 7 comments 0 points Most recent by clammy July 2022A-C, Heat Pumps & Refrigeration
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  VFD controller for multi stage rooftop units

  zepfan 32 views 1 comment 0 points Most recent by ratio July 2022A-C, Heat Pumps & Refrigeration
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  Ecoer Heat Pumps

  woobagooba 312 views 1 comment 0 points Most recent by GGross July 2022A-C, Heat Pumps & Refrigeration
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  24v transformer

  johnjohn89 151 views 4 comments 0 points Most recent by johnjohn89 July 2022A-C, Heat Pumps & Refrigeration
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  Water dripping sound inside exhaust fans

  tomtomtom 113 views 4 comments 0 points Most recent by tomtomtom July 2022A-C, Heat Pumps & Refrigeration
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  Odd vibrational noise from blower(?)...

  wcweaver3 111 views 6 comments 0 points Most recent by clammy July 2022A-C, Heat Pumps & Refrigeration
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  TXV versus VRF air source heat pumps

  woobagooba 456 views 26 comments 0 points Most recent by ChrisJ July 2022A-C, Heat Pumps & Refrigeration
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  reactor purpose for variable speed motor

  zepfan 145 views 4 comments 0 points Most recent by ratio July 2022A-C, Heat Pumps & Refrigeration