New HVAC technologies to consider in 2025
What Is a VRF/VRV HVAC System and Is It Right for My Home?
VRF/VRV systems use inverter-driven compressors and smart controls to send just the right amount of heating or cooling to multiple zones in a home. They offer quiet comfort, high efficiency, and design flexibility, but require expert design, permitting, and commissioning to meet safety and insurance requirements. Learn how VRF/VRV compares with mini‑splits and conventional systems, and when it makes sense for a Southern California home—read the full guide below.
R-32 vs R-454B vs R-410A: What’s the Difference?
This guide explains how R-32 and R-454B compare to R-410A in efficiency, global warming potential, pressures, and safety classifications. It covers U.S. and California code changes, A2L safety basics, and why retrofitting an R-410A system is not a drop-in option. You will also see what to expect for installation, commissioning, and maintenance in Southern California’s climate. For more detail, read the main section below.
Is R-32 Refrigerant Safe?
Is R-32 Refrigerant Safe?Short answer: yes, R-32 refrigerant is safe when equipment is properly designed, installed, and serviced to code. R-32 (difluoromethane) is an A2L refrigerant: low toxicity and mildly flammable, with a Global Warming Potential (GWP) of 675—far lower than legacy R-410A. That…
Is R-454 Refrigerant Safe
What R-454 Means and Why It Is in the NewsR-454 refers to a family of next-generation A2L refrigerants, most commonly R-454B, designed to replace higher-GWP options like R-410A. These blends use HFO and HFC components to cut global warming potential (GWP) while keeping strong heat-pump performance.…
What Is Zoned Cooling and Do I Need It?
What is zoned cooling? Zoned cooling (also called HVAC zoning, zoned AC, or zoned air conditioning) divides your home or building into independent temperature areas, or zones. Each zone gets its own thermostat and controls. In ducted systems, motorized dampers open or close to direct air; in ductle…
Can I control my AC from my phone
Can I control my AC from my phone?Yes—most homeowners and facility managers can control air conditioning from a phone today. The best path depends on your system: central air conditioning or a heat pump typically uses a smart thermostat, while ductless mini-splits, multi-zone systems, and many ligh…