Company News
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Stay Warm Without Idling the Engine: Holicen Introduces Three Diesel Parking Heaters (HLS-G0012L, HLS-L0015, HLS-H04)
Why Fuel-Burning Parking Heaters Dominate Vehicle heaters fall into four categories by working principle. Electric heaters (PTC or resistance wire) are simple and cheap, but they draw heavily on the battery - a diesel truck parked overnight rarely has enough power...Read more -
Universal Vehicle Evaporator Unit: Outlet Layout, Panel and Control Are Yours to Choose
Changzhou Holicen New Energy Technology Ltd. supplies a series of universal evaporator units for split air conditioning systems on trucks, buses, construction machinery and RVs. Outlet layout, panel finish, control type, body size and voltage system can be combined to...Read more -
Rear-Mounted, Rooftop or Dual-Fan: How to Choose Parking AC Heat Dissipation
The short answer: how well a parking air conditioner cools is limited less by its compressor than by how well its condenser gets rid of heat. Rear-mounted, rooftop and dual-fan rooftop are three different heat-rejection paths — not three grades of quality. Holicen sup...Read more -
Holicen Expands Its Cold Chain Line: Refrigerated Truck Compressors and Reefer Units, Matched to Your Vehicle
Changzhou Holicen New Energy Technology Co., Ltd. (Holicen) has extended its transport thermal management range. Beyond its existing parking air conditioners, diesel air heaters and automotive air conditioning compressors, the company now supplies refrigerated truck c...Read more -
Winter Cab Thermal Management: How Diesel Air Heaters and Parking Air Conditioners Should Split the Work
Below 10°C (50°F), the most common problem in a sleeper cab is not "not warm enough" — it is "warm and wet." Condensation on the inside of the glass. A damp mattress. Clothes that never dry. A windshield sheeted with frost at 5 a.m. All of it traces back to one mechan...Read more -
How to Make Your A/C Compressor Last: 12 Daily Use and Maintenance Rules
1. First, See Which Compressor Failures Are Actually Preventable Before discussing what to do, it helps to see how failures are distributed. Expensive compressor replacements very often begin with a handful of unremarkable day-to-day omissions. Root cause Typical con...Read more -
Car AC Compressor Problems: 8 Common Faults and a Complete Diagnostic Procedure
1. Eight Common AC Compressor Faults and Their Root Causes The compressor is the heart of the A/C system: it compresses low-pressure refrigerant gas into high-pressure gas and drives the entire refrigeration cycle. When it starts to fail, the symptom is rarely a sudden ...Read more -
New 5KW Diesel Air Heater with Kyocera Spark Plug and Bluetooth App Control
Holicen Launches a New 5KW Diesel Air Heater with Kyocera Spark Plug and Bluetooth App Control — Warmth for Every Mile Changzhou Holicen New Energy Technology Ltd. has launched a new 5KW diesel air heater for the global market. Built for long-haul trucks, R...Read more -
Upgrades Automated Production Line — Car AC Compressor
Holicen Upgrades Automated Production Line: Rotary Vane, Electric and Scroll Automotive A/C Compressors in a Full Range of Models, with Model Verification and Flexible Order Quantities Changzhou, China — September 2026 — Changzhou Helisheng New Energy Technol...Read more -
What Size Parking Air Conditioner Do I Need for My Truck?
The short answer Most Class 8 sleepers need 2,000–2,400 W (approximately 6,800–8,200 BTU/h) of cooling. In hot climates, size up rather than down: an undersized unit runs continuously, never reaches temperature, and flattens the battery. Oversizing wastes capacity and mo...Read more -
Cab Climate Systems for Agricultural and Construction Machinery: From Part-by-Part Replacement to Matched-Set Delivery
Subtitle: Condenser, evaporator, compressor and blower configured as one matched set for the customer's machine, cab layout and duty cycle, with the assembled set tested and verified before delivery; available as a complete set or as individual components. [Publication d...Read more -
Common Issues with Parking Air Conditioners and Customer FAQ
Introduction Parking air conditioners are now widely used in long-haul trucks, construction machinery, RVs and camper vans. During use, customer feedback tends to cluster around a few recurring issues: a display that does not light up, insufficient cooling, and error cod...Read more