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jeff5may
Forum:
Geothermal & Heat Pumps
01-27-18, 07:55 AM
Replies:
45
Heat Pumps for dummies (beginners guide)
Views:
84,847
Posted By
jeff5may
As described previously, the advantage a heat...
As described previously, the advantage a heat pump has over straight resistance heating diminishes as outdoor temperature drops. At some point, the advantage is lost. At -15, I would feel safe saying...
Forum:
Geothermal & Heat Pumps
07-06-15, 05:43 PM
Replies:
45
Heat Pumps for dummies (beginners guide)
Views:
84,847
Posted By
jeff5may
In the USA, all manufacturers must get their...
In the USA, all manufacturers must get their systems certified by an authority before the industry will install or insure them in permanent fashion. The two testing authorities are ashrae and ahri....
Forum:
Geothermal & Heat Pumps
12-30-14, 05:45 PM
Replies:
45
Heat Pumps for dummies (beginners guide)
Views:
84,847
Posted By
jeff5may
There are way too many differences between an...
There are way too many differences between an internal combustion engine and a refrigeration compressor to make sense of anything in this topic, so I'll not even open that box here. But yes, the...
Forum:
Geothermal & Heat Pumps
12-29-14, 04:09 AM
Replies:
45
Heat Pumps for dummies (beginners guide)
Views:
84,847
Posted By
jeff5may
Nope, It doesn't work that way. In heating...
Nope, It doesn't work that way.
In heating mode, it goes like this (even with a cap tube):
Hotter Evaporator-> Higher suction pressure -> Higher mass flow -> Higher CR -> Higher compressor Amps...
Forum:
Geothermal & Heat Pumps
09-18-14, 06:38 PM
Replies:
45
Heat Pumps for dummies (beginners guide)
Views:
84,847
Posted By
jeff5may
With respect to total energy consumed, it can go...
With respect to total energy consumed, it can go either way. All the compressor really cares about is compression ratio, as far as the energy it consumes. With a constant-displacement,...
Forum:
Geothermal & Heat Pumps
05-04-14, 11:04 AM
Replies:
45
Heat Pumps for dummies (beginners guide)
Views:
84,847
Posted By
jeff5may
Proper installation and commissioning
Now that you have assembled a plan and have the money, it is time to begin the project. If you are having the work done, simply pay the money and watch as your plan is implemented. There may be minor...
Forum:
Geothermal & Heat Pumps
02-01-14, 03:42 PM
Replies:
45
Heat Pumps for dummies (beginners guide)
Views:
84,847
Posted By
jeff5may
Realistic planning / budgeting
Now that a site survey has been performed, we have a clue as to the condition of the home, the heating and cooling loads, and any issues with the home. Now we can begin to put a plan together.
...
Forum:
Geothermal & Heat Pumps
01-19-14, 02:00 PM
Replies:
45
Heat Pumps for dummies (beginners guide)
Views:
84,847
Posted By
jeff5may
Site survey
The most important part in ensuring that your heat pump will do its job well is a thorough site survey. There are many systems operating inefficiently as we speak as a direct result of an...
Forum:
Geothermal & Heat Pumps
12-08-13, 02:50 PM
Replies:
45
Heat Pumps for dummies (beginners guide)
Views:
84,847
Posted By
jeff5may
Choosing A Heat Pump That Works For You If...
Choosing A Heat Pump That Works For You
If you are like most regular people, all of this information is rather foreign and confusing. You say, "Who cares what's inside the box? All I want is to be...
Forum:
Geothermal & Heat Pumps
12-08-13, 12:24 AM
Replies:
45
Heat Pumps for dummies (beginners guide)
Views:
84,847
Posted By
jeff5may
Common Refrigerants Today, there are three...
Common Refrigerants
Today, there are three specific types of refrigerants used in refrigeration and air-conditioning systems:
Chlorofluorocarbons or CFCs, such as R-11, R-12, and R-114...
Forum:
Geothermal & Heat Pumps
09-15-13, 04:22 AM
Replies:
45
Heat Pumps for dummies (beginners guide)
Views:
84,847
Posted By
jeff5may
The simplest, most common heat pump is a...
The simplest, most common heat pump is a refrigerator or deep freezer. It moves heat from inside the box to outside the box. A thermostat inside the box maintains a set temperature, so when the box...
Showing results 1 to 11 of 11
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