Variable Refrigerant Flow (VRF) Air Conditioning is a fast growing segment of the US market. Are you ready to profit from this market growth? Everything you need to get ready for this expansion of the VRF Air Conditioning market can be found here.
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How to Calculate Cooling Coil Heat Transfer
This formula will show you how to calculate the total heat transfer from a cooling coil. The calculation for this is as follows;
BTUH(t) = CFM x 4.5 x...
HVAC Estimating Spreadsheet
Having an HVAC VRF Estimating Spreadsheet that automates portions of your estimates saves you valuable time that you could use to make more sales. All aspects of the cost of furnishing and installing a VRF or...
VRF System Controller
Find comparison on VRF System Central Controllers for all major manufactures. Daikin, Carrier, Toshiba, Panasonic, Mitsubishi, Trane, York, LG, Fujitsu, Lennox,
The following is a look at Touch Screen...
Daikin Zoning Kit DZK
How do you increase individual control without adding additional indoor units? Daikin has a Zoning Kit that allows you to increase the amount of zones that are controlled by their own thermostat...
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 the ubiquitous gas furnace. For...
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LATEST ARTICLES
VRF System Controller
Find comparison on VRF System Central Controllers for all major manufactures. Daikin, Carrier, Toshiba, Panasonic, Mitsubishi, Trane, York, LG, Fujitsu, Lennox,
The following...
Engineering Videos
How to Calculate Cooling Coil Heat Transfer
https://youtu.be/0G0RkWHY1Jg
How to Calculate COP & KW per Ton
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...
ZoomLock Cost Analysis
ZoomLock Cost Analysis
Determining if there is value in using a press-fit joint such as ZoomLock™ requires that you look at several factors that impact cost and quality. We covered...
VRF Manufacture Comparison
VRF Manufacture Comparison
With so many VRF manufactures to compare, it’s hard to decipher all the variations between systems. Below you'll find a comparison of VRF manufactures such as, Daikin,...
VRF Case Studies USA
VRF Case Studies USA
The following links are for VRF case studies USA from various VRF manufactures. Also see the following for links to VRF Project Videos or VRF Case...
VRF Project Videos – USA
VRF Project Videos
Below are links to VRF project videos based on building type and VRF system description. Clink on the building name to watch a video about the project.
We...
How to Calculate Cooling Coil Heat Transfer
This formula will show you how to calculate the total heat transfer from a cooling coil. The calculation for this is as follows;
BTUH(t)...
HVAC Estimating Spreadsheet
Having an HVAC VRF Estimating Spreadsheet that automates portions of your estimates saves you valuable time that you could use to make more sales. All aspects of the cost of furnishing...
Daikin Zoning Kit DZK
How do you increase individual control without adding additional indoor units? Daikin has a Zoning Kit that allows you to increase the amount of zones that are...
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
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...
