Running your furnace, central air, or heat pump probably constitutes a big part of your utility bill. But it&#;s a small, often inexpensive part&#;the air filter&#;that keeps these heating and cooling systems humming along. And it also plays a role in maintaining good air quality inside your home.
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For these reasons&#;and because every forced-air heating and cooling system uses at least one filter&#;it&#;s important to know how and when to replace it.
Some background: Forced-air heating, ventilating, and cooling (HVAC) systems work on a loop. They &#;inhale&#; through return vents in your living space, pulling air through ductwork and across your heating or cooling source (either a furnace&#;s burners, or an AC or heat pump&#;s coil). Then they &#;exhale&#; through supply ducts and vents, delivering warm or cool air to your living space. Inevitably, some of the hair, dust, and other debris in your home gets sucked into that loop as air circulates around your house.
It&#;s an HVAC air filter&#;s job to catch that debris. In doing so, it first and foremost protects your heating and cooling equipment from damage. As a bonus, it can improve your indoor air quality. In fact, manufacturers claim many of today&#;s filters can capture allergens, microbes, and other particles while they&#;re doing their primary job of keeping your system gunk-free. And with the prevalence of wildfire smoke, air filters are even more important. (Here are the best filters for dealing with smoke-filled air, according to CR&#;s ratings.)
There are a range of HVAC filter designs: The basic models are made from strands of fiberglass (for disposable filters) or metal mesh (for reusable filters), and can stop big debris. Higher-end filters are made from material more like a surgical mask&#;s, arranged into pleats, and at their best, they can capture particles as tiny as bacteria, and sometimes even viruses before they can recirculate.
You should expect to replace your filter every three to 12 months of use, depending on the size of the filter. For 1-inch-thick filters, three months is the usual recommendation. For 4-inch and thicker filters, 12 months is common.
You might need to replace the filter more frequently if you have a few very furry pets, for example, or you live in an area with a lot of air pollution, such as from wildfires. When HVAC filters get dirty and clogged with debris, air can&#;t flow freely through your ducts, which makes your home less comfortable and can eventually break your HVAC equipment.
The good news is that fresh HVAC filters can be budget-friendly and are usually simple to replace.
In this guide, we&#;ll help you figure out which filter size your HVAC system needs, how to pick the right amount of filtration, and how to swap in a filter on your own&#;usually with no tools required.
CR members can also see our comprehensive air filter ratings for HVAC filters, based on extensive lab testing. We have ratings for almost 70 models across a range of thicknesses, prices, and performance ratings. Many filters that we review are available in multiple width and height configurations, so our recommendations should cover almost any kind of forced-air system.
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Introduction:
Nylon Filter Mesh is made of mono-filament PA6 or PA66 yarn/thread (1:1 weaving method, plain weave), which is ideal for straining, sieving or filtering most liquids, powders or sludges; The term &#;Mono-filament&#; means that each thread used in the construction of the cloth is a single smooth solid strand instead of many smaller diameter threads twisted together, as in a spun or multi-filament material. These mono-filament threads are perfectly round in section and are extruded to very precise and uniform diameters.
Their advantages are:
a) due to their uniformity they can be woven with great precision to give exact and regular apertures,
b) the resulting material has a very smooth surface so that the filtered particles will easily separate from it,
c) they have great strength and elasticity.
After weaving, our fabrics undergo a finishing process to add the properties required for specific applications. During the finishing process, the fabric is scoured to remove any foreign substances and the yarns are then stabilised within the weave in order to eliminate shrinkage by a process known as &#;heat setting&#;.
Mono-filament Nylon 6 or Nylon 6.6 Filter Mesh
Mono-filament Nylon is a versatile material due to its great strength, flexibility, long life and resistance to abrasion. Nylon has excellent resistance to most common solvents and will operate continuously at temperatures up to 100°C in the chemical pH range 7-14.
Application:
1. Collection of Cells and Algae
2. Particle Analysis
3. Large Particulate Filtration
4. Background Filter for automated particle imaging system
5. Pre-filtration of Solvents
6. Paint Monitoring
7. Medical Filtration (Blood Filtration)
Fabricated Mesh Filter Parts SHARE can supply and offer
1. Hot or Cold Cut Mesh Parts (in different shapes)
2. Heat-sealed Mesh Filter Bags
3. Welded Filter Tubes
4. Stamping Mesh Filter Elements
5. Laser Cutting Mesh Pieces
Anatomy of Woven Mesh
1. Mesh: Designates the number of openings per inch (25.4mm)
2. Designates the measurement of the clear open space between parallel adjacent wires.
Opening Size=25.4 mm÷Mesh Count&#;Wire Diameter
Pitch=Opening Size+Wire Diameter; or 25.4mm÷Mesh Count
Open Area %=(Opening Size)2÷(Opening Size+Wire Diameter)2×100
3. Designates the diameter of wire before weaving. With a same mesh count, when the wire diameter is different, the opening size and open area are significantly changed.
Production Procedure:
Industries Served: Automotive, Food and Beverage, Medical and Health Care, Chemical, Irrigation, Home Appliance, Acoustic,
Chemical Resistance of Major Fibers
Product Datasheet
Fabric Number
Mesh count
Thread Diameter
Mesh Opening
Open Area
Fabric Thickness
Weight
No.
cm mesh/inch
micron
micron
%
micron
g/m2
JPP5
5
12
500
56
850
271
JPP6
6
16
400
58
780
208
JPP7
7
18
350
57
675
186
JPP8
8
20
350
900
52
685
212
JPP9
9
24
250
860
60
455
145
JPP10
10
25
300
700
49
576
195
JPP12
12
30
250
583
49
470
162
JPP12
12
35
300
533
41
585
234
JPP14
14
40
300
414
34
595
273
JPP16
16
40
200
425
46
370
139
JPP16
16
50
250
375
36
485
217
JPP20
20
50
150
350
49
375
98
JPP20
20
50
200
300
36
385
173
JPP24
24
60
150
267
41
285
117
JPP28
28
70
120
237
44
Contact us to discuss your requirements of industrial filter mesh. Our experienced sales team can help you identify the options that best suit your needs.
215
87
JPP30
30
76
120
213
41
225
94
JPP32
32
80
100
213
46
165
69
JPP36
36
90
100
178
41
178
78
JPP40
40
100
100
150
36
190
87
JPP43
43
110
80
152
43
135
60
JPP48
48
120
80
130
38
145
62
JPP56
56
140
60
120
44
85
44
JPP59
59
150
60
110
42
98
46
JPP64
64
160
60
100
37
105
50
JPP72
72
180
50
90
41
82
39
JPP80
80
200
50
75
36
90
43
JPP100
100
250
40
60
36
65
35
JPP120
120
305
40
43
25
70
29
JPP130
130
330
40
37
23
75
31
JPP140
140
355
30
38
33.7
60
33
JPP150
150
381
30
34
30.25
52
26
JPP165
165
420
30
28
20.7
51
29
JPP180
180
460
30
25
19.5
58
31
JPP200
200
510
30
16
10.2
58
35
SGS Certificate
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