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  1. HVAC
    I am swapping out a Honeywell TH621OU2001 thermostat for a GoControl GC-TBZ48 smart thermostat at a new home we just purchased to make an airbnb. We use the same GoControl thermostats at all of our Airbnb's and I have installed dozens of them. We chose GoControl because we have a couple houses...
  2. HVAC
    Bought a new place last year with a gas Furnace. I was kinda stoked because I had always heard about how energy efficient they are. Boy was I let down. In 14 days my Gas went from 70% to 0%, in a 500 Gallon Tank. I was left waiting for the gas company for 7 days and I said to myself that Gas...
  3. HVAC
    Hi, my heat pump system started acting up this morning. The air handler has some error codes on it that I can't find information on. I have a tech coming out tomorrow, but I'm curious as to what they are.
  4. HVAC
    Hello, I have a Goodman GSZ160301 16 SEER HP, 2.5 TON heat pump w/ the AVPTC37C14 Air Handler. The fan speed is 1/2 or less than my old unit - based on same exact ductwork + filter. The Comfort Cloud app is showing 460 CFM during heat pump heating. I wanted to up the speed because the suction...
  5. HVAC
    I am observing behavior I cannot explain. My Bryant single-stage 2-Ton heat pump (3 year old 214DNA024-A, operated with a Honeywell T6) works fine for heat/cool at any temperatures above about 23F. When outdoor temps go lower, it will kick on for 5-60 seconds at a time, then pause for about 3...
  6. HVAC
    Hi, I have a Trane XL15i Heat Pump that seems to be generating less heat this winter (although it still does generate some heat although it seems to feel cooler than last winter). It is currently 40 F outside (humidity 85%), and it seems that every time it runs it ends up going into defrost mode...
  7. HVAC
    I went to connect my gauges to a charge port on a Carrier 38MGQC18, and the port on this Carrier outdoor unit is slightly larger diameter than the typical Schrader connection ports I am used to. Is there an adapter I can get to connect to the Carrier charge port? photo at...
  8. HVAC
    This is just hooking up the gauges without the compressor running. Shouldn't they be equalized? Shouldn't both of them read identical? As you can see one of them is pegged out the high pressure is pegged. I'm pretty sure my unit is running just on electric heat and not running on the compressor...
  9. HVAC
    I know there are DIY ductless heat pumps available, but I'm looking to retrofit a ducted system into the space designed for a downflow furnace in a manufactured home. I haven't seen any advertised DIY systems that are designed to mount the air handler in a downflow orientation. Even the MRCOOL...
  10. Electrical
    I'm talking to an electrician about wiring my pool heat pump, and I'd like a second opinion on his plan. I'm in central Virginia. The pool is already installed with a 60A GFCI pool panel, so this is just the addition of a separately fed heat pump. The heat pump will be wired from the main panel...
  11. HVAC
    Hi All! I had a tech come out today due to a fault being thrown by my Goodman 2-stage heat pump (split system). Code was for outdoor coil temp sensor. Tech indicated that condensor fan was not running at full capability when system was in high mode causing the condenser coil to over heat...
  12. HVAC
    I have a Heat Siphon HP5.0 pool heat pump, about 12 years old. I recently changed the run capacitor and the unit was working well until the last couple of days. It's started tripping the breaker at some point in the day. Today I went out and put a meter on it while it was starting up...
  13. HVAC
    Hello all. I'm new to this forum and DIY in general. My wife and I live in Washington State in a rural area. Two years ago we had a brand new Trane 18i XL heat pump and Trane furnace (propane) installed. About three weeks ago, the heat pump stopped turning on. I started the diagnosis process...
  14. HVAC
    We just moved into a new house, and was upgrading the thermostat from a "semi smart" RadioThermostat(brand name) which was working fine for heat and cooling. This thermostat utilized 4 AA batteries. Wiring on the original thermostat was as follows (C) - Brown (Rh) - Red (Y) - Yellow (G) -...
  15. General DIY Discussions
    The second of my two Carrier heat pump units is not switching from heat to cool. I pulled the flow reverser valve actuation solenoid off to test it. It was not exerting any magnetic force on my screwdriver, but I noticed that the solenoid is getting a 24 volt signal as it should, when it is...
  16. HVAC
    Midea heat pump with P4, P6 and LED issues My 4 year old Midea heat pump stopped working. I had a HVAC tech in and the diagnosed a failed compressor. The weird thing is the LED on both inside units are discolored. The Midea service desk says they have never seen this before. Any ideas? This LED...
  17. HVAC
    Hello, I'm looking for some confirmation that I'm have the optimal configuration for my setup. I live in Maine and for the most part I exclusively use my Mitsubishi MUZ-FH15NA/MSZ-FH15NA to heat my house. However, between December and February we get some cold spells that can go into the...
  18. HVAC
    I'm thinking about buying a DIY mini split heat pump in my living room/kitchen. Are DIY systems manageable for 2 people who have never installed one before? Has anyone hired a taskrabbit for difficult installations?
  19. HVAC
    Is anyone aware of a spreadsheet or online calculator to be able to compare a heat pump setup vs a conventional gas furnace + AC condenser setup? Ideally, with inputs for local utility rates, average annual hours of usage with average annual temperatures, and ratings for the heat pump and...
  20. Plumbing
    Good morning guys, I am replacing an A.O. Smith Pro Max 50 gal water heater due to it is leaking. We have a water softener and I never flushed it or replaced the anode rod. It lasted ten years. I am going with the Rheem Hybrid heat pump unit. I am going to use pex for the supply lines to the...
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