Skip to content
Search
  • Shop
  • Online Course
  • Consultation
  • Mini Split
  • Heat Pump
  • Buyer’s Guide
  • HVAC Basics
  • Chilled Water System
  • More Blog Posts
    • Ducted Air Conditioning
    • Mechanical Ventilation
    • Maintenance
    • Control System
    • Technology
    • Environmental
    • Engineer’s Lounge
    • Hot Water System

Category: Control System

link to How VFDs Work in HVAC: VFD Basics & Applications

How VFDs Work in HVAC: VFD Basics & Applications

VFDs are very common in HVAC, especially new HVAC systems. They are devices that can improve the energy efficiency of various HVAC systems. So, how VFDs work in HVAC? First of all, what is a VFD?...

Continue Reading
link to HVAC BMS Integration: Basics, Components and Controls

HVAC BMS Integration: Basics, Components and Controls

BMS integration is becoming an essential part of HVAC. Many air conditioners, ventilation fans, sensors and controllers are remotely monitored and controlled by BMS. So, what exactly is the...

Continue Reading
link to How HVAC Relays Work? (Actual Applications)

How HVAC Relays Work? (Actual Applications)

Relays can be found in almost all HVAC systems. They are typically located inside HVAC control panels or within the HVAC unit itself. I've always been curious how HVAC relays work. So, I did some...

Continue Reading
link to What is PLC in HVAC? (CPU, Module, HMI, Analog & Digital)

What is PLC in HVAC? (CPU, Module, HMI, Analog & Digital)

Complex HVAC systems often use a PLC to control. Terms like CPU, module, HMI, AI/AO and DI/DO are common in PLC. I happened to work on a few HVAC projects with PLC. So, I decided to write a post...

Continue Reading
link to 5 Types of HVAC Controls (Thermostat, DDC, 0-10V & Dry Contact)

5 Types of HVAC Controls (Thermostat, DDC, 0-10V & Dry Contact)

HVAC equipment such as air conditioners, ventilation fans, chillers, cooling towers and pumps need to receive signals in order to run, stop, regulate and trip. Without signals, these machines don't...

Continue Reading
link to Air Conditioner Wire Sizing Guide: Chart & Calculation

Air Conditioner Wire Sizing Guide: Chart & Calculation

Apart from the electric current, wire sizes are also depending on other conditions such as ambient temperature and voltage drop. If you are dealing with air conditioners, it is inevitable that you'll...

Continue Reading
Page 1 Page 2 NEXT »

About Me

My name is Yu Chang Zhen. I'm an HVAC professional with more than 7 years of practical experience, covering from design and installation to service and maintenance. I'm also a project manager and hot water heat pump specialist. Thus, my sharing of knowledge on this website not just about HVAC but also include project engineering, construction and hot water system.

Legal Disclaimer

AIRCONDLOUNGE DOTCOM is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We also participate in other affiliate programs which compensate us for referring traffic.

aircondlounge is a participant in the Stripe Climate. 1% of all proceeds go to fund carbon removal. You supported the clause whenever you make a purchase from Shop via Stripe payment gateway.

NEW LAUNCH !

Chilled Water System Design Course
A TRUE design course that takes you through the design process of a modern 32-storey building.
$15 Off Coupon: NEWLAUNCH
View Course

Need HVAC Advice?

Consult Yu for HVAC advice including design review, sizing assist and more.

View Service

Contact

Email: [email protected]
Chat: LinkedIn Message

More Information

About
Privacy Policy
Terms and Conditions
Impact Report
Subscribe

Shop

eBooks
Calculators
Templates
Courses
Consultation


COPYRIGHT © 2023 AIRCONDLOUNGE DOTCOM. ALL RIGHT RESERVED.
  • YouTube
  • LinkedIn