Refrigeration and Air Conditioning Technician RACT

Seamlessly switching between heating and cooling   View web version 17 April 2024 — Issue 4 | Vol 19     Source Products   |   Webinar Library   |   Standards Seamlessly switching between heating and cooling The ZESRC operates on a morphology-driven approach using materials with varying thermal expansion coefficients to enable a dynamic response to temperature changes. This design minimizes energy use while maintaining desired indoor conditions. Read more  → Rosenberg USA ECFanGrid: Technical information about paralleling EC fans in AHU applications Rosenberg ECFanGrid ™ consists of series of EC fans operating in parallel. The resulting air flow is proportional to the number of fans used with the pressure conditions remaining the same.  

Welcome to GlobalSpec Webinars View in browser Exciting news for engineers and technical professionals! We are thrilled to announce the beta launch of our new Engineering AI Assistant! GlobalSpec always strives to provide innovative solutions to assist you in your engineering endeavors. With our new AI Assistant, you'll find a new way to search for engineering and technical answers, drawing from the trusted and authoritative content published on GlobalSpec.com . Try our new AI Assistant Whether you're starting a new project, refining an existing one, or just curious, our AI Assistant is ready for your questions, including examples like: How do you ensure proper impedance matching in RF systems? What thermal management solutions exist for 12VDC radios? How do I design the circuitry of a bluetooth speaker

A scheme for mining heat from abandoned UK coal fields   View web version 20 March 2024 — Issue 3 | Vol 19     Source Products   |   Webinar Library   |   Standards A scheme for mining heat from abandoned UK coal fields The process entails pumping water from flooded mine workings underground and bringing it to the surface where heat exchangers and heat pumps recover this heat and boost the temperature further. Read more  → Rosenberg USA New Rosenberg I-Series impeller increases HVAC efficiency, reduces noise New I-Series volume-flow oriented five-blade backward-curved impeller improves efficiency by 11% and reduces noise by 12%. Available with Gen3 and Gen3+ EC motors up to 7 kW. Download brochure .   View more

Heated runways could end airport snow delays   View web version 21 February 2024 — Issue 2 | Vol 19     Source Products   |   Webinar Library   |   Standards Heated runways could end airport snow delays Winter weather is second-most common type of aviation weather delay. Could runway heating technologies help keep airlines and passengers safe and on time? Read more  → Rosenberg USA New Rosenberg I-Series impeller increases HVAC efficiency, reduces noise New I-Series volume-flow oriented five-blade backward-curved impeller improves efficiency by 11% and reduces noise by 12%. Available with Gen3 and Gen3+ EC motors up to 7 kW. Download brochure .   View more