Home central air conditioning purchase steps

Step 1: Determine the host model

First, consider the area and orientation of the house to see if there is a large area of ​​glass windows to calculate the maximum simultaneous use factor of the air conditioner. In general, in a normal home environment, the amount of cold required for actual use is often not all room cold.

The combination of quantity, but lower than the latter, the former only needs to reach 60% and 70% of the latter. This saves investment and avoids unnecessary waste. The actual required cooling capacity of the room can be calculated by the following formula:

Actual cold area = building area × house utility rate × 65% (excluding uncooled areas such as kitchens and restrooms)

Actual required cooling capacity = actual cold area × unit area cooling capacity

Note: The cooling capacity per unit area varies according to the specific conditions, and the household is usually 100~150 watts/square meter. If the room faces south, the floor is high, or there is a large glass wall, it can be raised to 170~200 watts/square meter.

Step 2: Determine the indoor unit and the tuyere

According to the actual required cooling capacity, the model is required. Each room or hall only needs one indoor unit or tuyere. If the living room is large or rectangular, you can add an indoor unit or a tuyere. It takes about one per 12 square meters.

Step 3: Determine the air conditioning layout

1, the location of the host should pay attention to ventilation and heat dissipation, easy to repair and maintenance, while the location should be as concealed as possible, to avoid affecting the appearance of the house and noise affecting the room;

2. The position of the indoor unit should match the layout of the interior decoration. It is usually hidden in the ceiling or hidden at the top of the high cabinet. Generally, indoor units are ultra-thin and can be placed only at a height of about 25 cm. When installing, pay attention to good return air, so that indoor air is formed into circulation to ensure air conditioning effect and air quality;

3, the layout of the pipeline: the refrigerant pipeline of the chiller is relatively thin, even if the outer layer of insulation on the bread, it can be easily hidden; the pipeline needs full insulation, pipe fittings, valve parts and metal fittings in contact with the pipeline It should be insulated and wrapped to prevent condensation from leaking; the pipe material is generally selected from PP R pipe, PVC U pipe or aluminum-plastic composite pipe, which can guarantee no damage for 50 years; all the condensed water is concentrated or concealed and discharged;

4. The indoor unit can increase the negative ion generator and purify the dust removal device according to the user's requirements to further improve the indoor air quality.

Step 4: Choose the right price

The price of home central air conditioning is about 400 yuan / square meter. Brands, models, and users' own needs, such as the choice of inverter and non-inverter air conditioners, cold or warm, or single cold, will lead to price differences.

Step 5: Choose a service

Compared with ordinary split air conditioners, home central air conditioners are actually a “semi-finished product” because it has to be matched with interior decoration. The service of home central air conditioning not only includes after-sales service, but also includes pre-sales consultation, program design, installation and construction. It can be said that to make a home central air conditioning system function properly, the design, installation and construction are as important as the host equipment.

Therefore, when users purchase home central air conditioners, they must choose a good service and good reputation to protect their own interests.

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