News & insights
Practical guides to cooling, heating and choosing the right equipment.
Cooling economics
Evaporative Cooler vs Air Conditioner: The Honest Running-Cost Comparison
September 9, 2026
How much does an evaporative cooler really cost to run vs an air conditioner? We break down the real numbers from a TÜV-verified manufacturer — 25% vs 100% operating cost, and the trade-offs you should know before buying.
Cooling technology
How Evaporative Coolers Work: The 4-Step Cycle Behind 80% Lower Cooling Bills
September 8, 2026
A desert-tested, 4-step explanation of how evaporative air coolers turn 380W of electricity into a 10°C air-temperature drop — and why they cannot fail in dry climates.
Inside JHCOOL
2003: The First Plastic-Shell Evaporative Cooler, Built in a 600 m² Workshop
September 7, 2026
How a 2003 bet on a one-piece plastic shell turned a 600 m² workshop into a TÜV-verified manufacturer shipping 10,000+ units a month to 100+ countries.
Heating technology
Infrared vs Convection Heaters: The Energy Science Most Buyers Never See
September 6, 2026
Why a 2,000W infrared heater feels warmer than a 2,000W convection heater — and why the comparison is not about wattage, it is about how your body receives the energy.
Hospitality guide
Restaurant Patio Heating: The Buyer's Guide to Year-Round Outdoor Revenue
September 5, 2026
A practical buyer's guide for restaurant, café, and hotel operators choosing patio heaters — covering coverage, fuel type, runtime, regulation, and the 5-year total cost.
Sourcing guide
How to Choose a Chinese Heater Manufacturer: The 10-Point Vetting Checklist
September 4, 2026
A buyer's checklist for sourcing infrared heaters, convection heaters, or patio heaters from China — 10 questions that separate reliable manufacturers from trading companies and quality disasters.
Seasonal planning
The Record-Breaking 2026–27 "Super El Niño" Winter Is Coming: Why Far-Infrared Heating Is the Smart Answer
September 3, 2026
The WMO warns the 2026–27 El Niño could be the strongest ever recorded — and Europe faces a thin energy buffer this winter. Why JHHEATSUP far-infrared heaters are the rational choice for a volatile heating season.