
Sensor Response in HVAC Systems- Technical Report
Navigate your business in an increasingly complex world with industry-leading research and actionable insights from UL Solutions.
Explore our press releases and news updates. Delve into detailed press kits for information on our work. If it’s UL Solutions and newsworthy, it’s here.
Connect with us in person or online, around the globe. We’re everywhere your business needs us to be.
As a global safety science leader, UL Solutions helps companies to demonstrate safety, enhance sustainability, strengthen security, deliver quality, manage risk and achieve regulatory compliance.
See how we put safety science to work to help create a safer, more secure and sustainable world for you.
Explore our business intelligence-building digital tools and databases, search for help, review our business information, or share your concerns and questions.
Accelerate your planning process and learn the requirements needed to take your products to market worldwide.
A secure, online source for increased visibility into your UL Solutions project files, product information, documents, samples and services.
Access UL certification data on products, components and systems, identify alternatives and view guide information with Product iQ.
Current North American and international safety standards contain requirements that permit the use of safety class A2L, A2 and A3 refrigerants in air conditioning and heat pump products.
The update of the North American and international safety standards has become significantly more complex and contains requirements that permit the use of safety class A2L, A2 and A3 refrigerants in air conditioning and heat pump products. Hazards associated with the potential flammability of these refrigerants are mitigated by requirements in the HVAC appliance safety standards as well as local installation codes.