Larry Gardner is an experienced installer and contractor for residential HVAC work. In his book, Tips for Residential HVAC Installation, he shares tips he has learned over the years on how to do the job faster, better, and smarter. For more information, visit www.lamabooks.com.

Field Modifying Fittings and Duct

Larry Gardner

September 22, 2008

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Field modifying fittings and duct can save time and money. If you install residential ductwork on a performance basis (X number of dollars for the job) as I do, it is sometimes a real benefit. You have to know how fittings are made before you can alter them.

On Demand Refrigerant Safety Classes A2L and A3 have a very low GWP, making them a strong, long-term solution for many HVACR applications. However, these refrigerants are classified as mildly flammable and highly flammable respectively. This flammability class raises safety and compliance concerns. This webinar will help you understand these classes, along with the opportunities these refrigerants can offer.

As the HVAC market continues to expand and Variable Refrigerant Flow (VRF) technologies continue to evolve, the demand for contractors with VRF expertise will only grow. This presentation provides thorough insight into the requirements, advantages and opportunities associated with specifying VRF systems and addresses the common misconceptions contractors may encounter in the field.

ACHRNEWS

2019 September 9

In this issue of The NEWS, we present the Residential Heating Showcase, featuring the latest heating equipment to hit residential HVAC. We also discuss developments in the tools and test instruments market.

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