Daikins VRV IV X Heat Recovery

Daikin now has available a Dual Fuel, 3-phase variable refrigerant flow system. Daikin made it adaptable to the North American market with its ability to integrate with...
Toshiba Carrier 40QQ VRF Rooftop Unit

Toshiba Carrier 40QQ VRF Rooftop Unit

Converting to Variable Refrigerant Flow (VRF) from an existing Carrier Rooftop Packaged DX unit has been made much easier with the Toshiba Carrier 40QQ VRF Rooftop Packaged...
Engineering Videovideo

Engineering Videos

How to Calculate Cooling Coil Heat Transfer https://youtu.be/0G0RkWHY1Jg How to Calculate COP & KW per Ton
ASHRAE Study on Mechanical Piping Joints

ASHRAE Study on Mechanical Piping Joints

ASHRAE looked at three types of flame-free mechanical joints that are used in refrigeration and air-conditioning systems, which included; Press/crimp fittings, compression fittings, and flare fittings. They also included...
Refrigerant piping Insulation Best practices

Refrigerant Piping Insulation

Refrigerant piping insulation has historically escaped the scrutiny that it has found itself under recently in some jurisdictions. What could possibly be such a big deal with plain old...
VRF Project Cost Tracking

VRF Project Cost Tracker

How Much does a VRF System Cost per Ton ($/Ton) or per Square Foot ($/Ft2)? How many Ft2/Ton should you figure? How much does the Electrical Cost per Indoor...