Rawal
Learn about Rawal Devices' APR Control, offering capacity modulation and dehumidification on DX systems. APR benefits include compressor protection, continuous AC matching, and a compact size for new construction and retrofits.
Aquatherm
Aided by its quick installation process, this polypropylene piping system features a triple-extruded product, a 10-year warranty, and a critical middle layer made of a proprietary blend of polypropylene and glass fibers.
DesertAire
Watch Paul Stewart of DesertAire talk to ES editor Robert Beverly about the standard strengths and options for its new vertical configuration of the company's ExpertAire dehumidification unit, suitable for a wide array of commercial settings.
WaterFurnace
Take a tour of the company's water-source and geothermal heat pumps, with an emphasis on system quality and flexibility in both residential and commercial applications.
Lochinvar / TiSUN
Hear about Lochinvar's new joint venture with TiSUN. Benefits include stratified tanks providing different temperatures for different purposes, and also packaged pumping systems.
System Sensor
The Innovair Flex line of duct smoke detectors provides several updates, including a convenient two-piece design for flexible implementation. It also tackles a wider range of temperatures previously served by multiple products.
Uponor
Learn how Uponor deploys different materials for different underground pre-insulated piping systems, and also uses control strategies to provide radiant cooling comfortably and without condensation.
Raypak
Check out the TempTracker ModPlus controller's newest updates and enhancements. Just one plus is TempTracker's hybrid functionality, allowing systems to alternate between condensing and noncondensing boilers.
Fulton
The Invictus gas absorption heat pump systems can integrate with Fulton's boiler product lines to maximize efficiencies. Full schematic support, ModSync monitoring, and the ability to incorporate renewable fuel sources add to the appeal.
Lochinvar / Squire
The manufacturer is christening its own state-of-the-art automated production line for its stainless steel, Squire family of water heaters. The video looks at Squire's twelve indirect models, including two distinct solar options, and upcoming buffer tanks.
Lochinvar / Crest
Lochinvar's Crest condensing boiler made its debut at AHR. The Crest is a stainless steel, fully condensing, modulating, dual-fuel commercial boiler, available in sizes up to 3.5 million BTU. See the new SmartTouch controls system.
Honeywell Analytics
The company's E3Point works as a standalone toxic/combustible gas detector, but it can also work with multiple detectors and/or coordinate with a BAS (using either Modbus or BACnet) and its associated alarms.
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This interactive quiz by Howard McKew, P.E. is part of a reference library taken with "HVACR Designer Tips" and a quarterly Application Checklist. 
