Forum: Geothermal & Heat Pumps
10-29-15, 07:32 AM
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Replies: 282
Views: 207,104
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Forum: Tools
12-09-14, 06:24 PM
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Replies: 32
Views: 25,798
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Forum: Geothermal & Heat Pumps
07-01-14, 05:52 AM
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Replies: 282
Views: 207,104
I have a Klimaire 12K Minisplit. The limit...
I have a Klimaire 12K Minisplit. The limit switch on the compressor failed and the compressor locked up. Since I purchased the unit online I knew that warranty was a joke. I took a compressor out...
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Forum: Geothermal & Heat Pumps
04-02-14, 08:46 PM
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Replies: 4
Views: 11,974
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Forum: Geothermal & Heat Pumps
04-02-14, 12:41 PM
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Replies: 32
Views: 25,207
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Forum: Geothermal & Heat Pumps
01-21-14, 06:17 PM
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Replies: 37
Views: 43,654
Larger evaporator
Hi; The laws of physics and thermodynamics have a basic rule regarding heat transfer or movement. From hot to cold and directly related to the difference of temperatures from one medium to another...
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Forum: Geothermal & Heat Pumps
07-19-13, 08:30 AM
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Replies: 7
Views: 5,115
How do I evaluate a minisplits performance
Hi; I have a number of regular HVAC units that I maintain in my rentals. for a quick scan I use a ir thermometer and looks for 14 - 18 degree difference in air temperature outside and 12 - 20...
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Forum: Geothermal & Heat Pumps
06-21-13, 05:06 PM
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Replies: 1,943
Views: 4,718,366
R290 vrs R410a
Actually I'm just trying to understand more regarding HVAC.
referring to the previous post. I decided that once I got the unit working on R290 it was ok to service with the very expensive...
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Forum: Geothermal & Heat Pumps
06-21-13, 06:20 AM
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Replies: 1,943
Views: 4,718,366
HI; I got tired of being screwed by local A/C...
HI; I got tired of being screwed by local A/C contractors and decided to get my card and start to service my own rental units. I used propane to test a Klimaire 12K BTU unit set up in my garage. I...
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Forum: Geothermal & Heat Pumps
05-16-13, 01:56 PM
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Replies: 282
Views: 207,104
from a rank amature's point of view "yes"
I did not do a exhaustive study. did not monitor current usage. Since the minisplit does not lend the equipment to the usual line set measurements to get the proper gas in the system and I do not...
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Forum: Geothermal & Heat Pumps
05-16-13, 06:46 AM
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Replies: 282
Views: 207,104
r290 in a minisplit
I used R290 in a Kilmaire minisplit last year to test a unit that I thought was shot. I ended up with a 25-30 degree change at the air handler on a 95 degree day with the unit set up in my shop. ...
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Forum: Geothermal & Heat Pumps
04-14-13, 04:03 AM
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Replies: 282
Views: 207,104
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Forum: Geothermal & Heat Pumps
04-05-13, 05:24 AM
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Replies: 282
Views: 207,104
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Forum: Geothermal & Heat Pumps
03-11-13, 08:57 PM
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Replies: 9
Views: 4,617
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Forum: Geothermal & Heat Pumps
03-11-13, 06:21 AM
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Replies: 9
Views: 4,617
What the heck???
Note; REVERSING VALVE. Thanks for the response but when I look at the diagrams of my newest HVAC unit (Goodman packaged unit) In the heating cycle the reversing valve sends the compressed gas...
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Forum: Geothermal & Heat Pumps
03-11-13, 05:37 AM
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Replies: 282
Views: 207,104
limited experience with solar collectors
Years ago I was putting a roof on a building and had several pieces of corrogated galvanized roofing left over. approximately 3 ft x 6 ft. I framed the metal with wood with a 1 in thick foam...
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Forum: Geothermal & Heat Pumps
03-10-13, 05:14 PM
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Replies: 9
Views: 4,617
You would think with all of the "Engineering"...
You would think with all of the "Engineering" involved and with basically equal cooling and heating seasons here in Va. My brain is still smoking from reading a few pages explaining why the line...
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Forum: Geothermal & Heat Pumps
03-10-13, 09:52 AM
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Replies: 9
Views: 4,617
What the heck?? (HP line set sizing)
I'm still a novice at HVAC and questions keep piling up. Ok I just spent a number of hours reading about sizing of the line sets on a heat pump.. why? My 5 systems heat as much as they cool so this...
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Forum: Introductions
03-04-13, 07:14 PM
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Replies: 2
Views: 3,159
sop for Hvac heating
I have a number of rental units and carry a nice Ir temp probe with me at all times. If I am in the house to change the filters which I do, I always check the temps and note them. This is a 10...
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Forum: Introductions
03-04-13, 08:04 AM
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Replies: 2
Views: 3,159
hvac & heating
I'm totally new to HVAC. I've installed 2 minisplits (permitted, inspected and passed by the local inspectors) and maintained 7 personally owned units for about 7 years now. I took the local A/C...
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Forum: Geothermal & Heat Pumps
01-27-13, 05:28 PM
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Replies: 1,943
Views: 4,718,366
The last 3 HVAC fellows I have trusted cost me...
The last 3 HVAC fellows I have trusted cost me big. This is what prompted me to learn about HVAC. The first one sold me a air handler for $3000 when all that was wrong was a hole in the compressor...
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Forum: Geothermal & Heat Pumps
01-26-13, 10:25 AM
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Replies: 1,943
Views: 4,718,366
Hacking the minisplit
Hi; I presume if you have enough knowledge to hack a unit you have a very good handle on basic functions of a minisplit. I am a landlord in richmond, Va. and after being screwed (pardon my French)...
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Forum: Geothermal & Heat Pumps
09-11-12, 07:56 AM
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Replies: 1,943
Views: 4,718,366
Minisplit
Minisplits only have a gas tap hence normal analysis of the system cannot be done. If I suspect low gas, the process involves removing all gas and reloading by weight. I recently had occasion to...
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Forum: Geothermal & Heat Pumps
07-27-12, 05:37 AM
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Replies: 282
Views: 207,104
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Forum: Geothermal & Heat Pumps
07-23-12, 06:46 PM
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Replies: 282
Views: 207,104
I recently converted a Klimeair 12K unit from...
I recently converted a Klimeair 12K unit from R410a to Propane. since there is no data available other than the standard gas charts. I just started adding propane to a empty,vacuumed system and...
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