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VRF vs. Rooftop Units: Which System Fits Your Commercial Project?
VRF and rooftop units can both be effective solutions for commercial HVAC projects, but they suit different building layouts, zoning need...
High Head Pressure? 7 Things HVAC Technicians Should Check
High head pressure doesn’t always mean an HVAC system is overcharged. Poor condenser airflow, a dirty coil, outdoor conditions, refrigera...
Low Suction Pressure? 7 Things HVAC Technicians Should Check Before Adding Refrigerant
Low suction pressure does not automatically mean a system needs refrigerant. Learn seven things HVAC technicians should check first, from...
Heat Pump Not Heating? 10 Common Problems and What to Check
Heat pump running but not heating? Learn 10 common areas to check, from thermostat settings, airflow, and defrost to refrigerant conditio...
AI Data Center Cooling: What the HVAC Industry Needs to Prepare For
AI data centers are changing HVAC through higher heat density, liquid cooling, smarter controls, and digital twins. Here’s what the HVAC ...
Fall Heat Pump Checklist: Preparing Cold-Climate Systems for Heating Season
Heating season is coming. Use this fall checklist to prepare cold-climate heat pumps for winter, from airflow and outdoor-unit inspection...
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How to Select a Water-Cooled Package Unit for a Commercial Building
Selecting a water-cooled package unit requires more than matching nominal cooling capacity. This guide explains how cooling load, airflow...
A New Chapter for ZERO in the San Francisco Bay Area
ZERO is expanding its presence in the San Francisco Bay Area through four showroom locations, regional warehouse support and closer colla...
AHRI, ETL, UL, ENERGY STAR and CE: What Each HVAC Mark Actually Means
AHRI, ETL, UL, ENERGY STAR and CE do not serve the same purpose in the HVAC industry. This guide explains the differences between perform...
New High-Ambient HVAC Standards: What AHRI’s 0B/1B Ratings Mean for GCC Projects
AHRI's new 0B/1B performance standards are bringing greater focus to how HVAC systems perform under the extreme temperatures found across...
Fan Coil Units Explained: A Practical Guide to Types, Applications, and Selection
Fan coil units provide flexible room by room comfort for buildings that use chilled water or hot water systems. This guide explains how f...
Discover the ZERO Solar AC: Efficient Comfort with Less Grid Dependence
The ZERO Solar Air Conditioner combines direct photovoltaic power, automatic grid backup, built-in MPPT technology, and inverter cooling ...