HOLTEK IC Integrated Circuit Chip BS814A-2

10/30/2025

The knowledge about the intake valve of the screw air compressor is here

The air compressor intake valve can also be said to be an intake control combination valve, which has functions such as intake control, loading and unloading control, capacity adjustment control,

10/25/2023

Mini Split vs. Window AC: Which Cooling System is Right for You?

Choosing the right cooling system for your home or office is essential for creating a comfortable and pleasant environment. Two popular options are mini-split air conditioners and window AC units. Each system has its unique advantages and considerations.

08/20/2020

Why does refrigerating oil deteriorate How to judge whether the refrigerant oil has deteriorated

How to choose refrigerating oil 1.Why does refrigerating oil deteriorate? First of all, we must be clear why the refrigeration oil deteriorates.

08/05/2020

Comprehensive introduction of central air-conditioning installation auxiliary materials (recommended collection)

Generally speaking, the auxiliary materials required for the installation of household central air-conditioning mainly include the following types:

06/14/2020

Reliability-up (Compressors)

Reliability-up (Compressors)

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

09/07/2020

Basic knowledge of air compressor

Classification of air compressors: 　　 Air compressors are divided into: 　　1, speed type; 　　2, volumetric type; volumetric type is divided into rotary and reciprocating;

08/04/2020

Analysis of five major problems in current heating management

With the development of society and the continuous improvement of people's living standards, traditional heating methods and management models have become less and less suitable for the development of the times.

08/20/2020

What should I do if the fan coil fails

As a terminal device of the central air-conditioning system, the fan coil unit is widely used in residences, offices, hotels, hospitals and other places because of its compact structure, flexible layout, and easy independent control.

07/04/2022

Magnet Pumps Selection Guide

Magnet pumps are seal-less centrifugal pumps that use a coaxial magnetic coupling to transmit torque to an impeller.