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Upgrading an existing system
If you’re upgrading your central air, don’t assume you should buy
the same-sized system. Any changes you’ve made to improve your
home’s energy efficiency, such as upgrading your windows or adding
insulation, can reduce your cooling needs. On the other hand, if
you’ve added rooms, you might need more cooling.
Have your contractor do a load calculation based on a recognized method, such as one in Manual J from the ACCA. The contractor’s evaluation should include whether your ducts need to be resized, sealed, and insulated, or replaced. Remember that an indoor evaporator coil and outdoor condenser must be a matched set from the same brand, or the performance, efficiency, and capacity might not meet expectations.
New systems are 20 to 40 percent more efficient than minimum-efficiency models made even 10 years ago. Costs will vary and can depend on whether you need ductwork installed, and the particular size and configuration of your home.
Air conditioning requirements across the world are increasing at a significant rate. An increase in temperature, heatwaves, and unpredictable weather is one driver for the high demand. An increase in energy efficiency and affordability is the primary demand driver. Individual requirements vary extensively, and manufacturers are innovating rapidly.
To cater to the varied requirements of home-owners, the manufacturers have made available a wide variety of air conditioners.
Cooling,Heat pump, Electrical heating
Parameter | Cooling capacity | Heating capacity | Auxillary electrical heating capacity | Air flow (m3/h) | ESP (Pa) | Consumed power(kw) | Noise dB(A) | |
Model | kW | kW | kW | Cooling | Heating | |||
VWD-33XF | 32.3 | 28.3 | 16 | 2800 | 150 | 9.09 | 22.9 | 61 |
350 | 9.09 | 22.9 | 61.6 | |||||
WO-38XF | 38.3 | 34.4 | 18 | 3300 | 150 | 11.98 | 27.95 | 64 |
350 | 12.38 | 28.35 | 64.5 | |||||
VW-S0XF | 49.5 | 42.3 | 24 | 4300 | 200 | 15.16 | 37.04 | 67.5 |
350 | 15.16 | 37.04 | 68 | |||||
VWD-67XF | 66.9 | 59.7 | 33 | 5800 | 200 | 20.9 | 50.41 | 70 |
350 | 20.9 | 50.41 | 70.5 | |||||
VWD-78XF | 77.5 | 68.8 | 39 | 6700 | 200 | 23.26 | 58.2 | 72.5 |
400 | 23.96 | 58.9 | 73 | |||||
VWD-98XF | 98 | 89.6 | 48 | 8400 | 200 | 30.25 | 73.02 | 76 |
400 | 31.05 | 73.82 | 76.5 | |||||
VWD-134XF | 133.8 | 115.8 | 69 | 12000 | 250 | 40.4 | 103.7 | 77.5 |
450 | 42.9 | 106.2 | 78 | |||||
VW-155XF | 155.1 | 138.6 | 80 | 14000 | 300 | 47.52 | 122.2 | 79 |
500 | 49.02 | 123.7 | 79.5 | |||||
WO-201XF | 200.7 | 173.7 | 102 | 18000 | 350 | 61.6 | 155.02 | 80.5 |
550 | 63.6 | 157.02 | 81 | |||||
VWD-233XF |