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VRF Variable Refrigerant Flow

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 HVAC system is contained in...
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 while using the same indoor...
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 heating Daikin gives you the...
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 Unit. The Carrier 40QQ VRF units come in 3, 4...
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 a brazed joint as a bench mark against the time...
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 boring refrigerant piping insulation? With energy codes getting stricter during...
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 Unit ($/IDU)? Track all of these and MORE with the...
Reftekk Bendable Piping

Reftekk Piping

Reftekk Integrated Piping Solutions You may have heard of ZoomLock and LokRing for refrigerant pipe fittings, but have you heard of Reftekk? The Reftekk Bendable Piping Solution is another way to reduce installation labor for Refrigerant piping in a VRF...
This Mitsubishi Hybrid VRF System is a Heat Recovery System that uses Refrigerant on the primary side of the branch controller box and water on the secondary side to the indoor units. This VRF system mixes the best of...
If you are looking for Mechanical Construction Estimating Software, the choices are many. I have personally been involved in overseeing an estimating group of 20 plus estimators and can tell you there was no way we could have bid the...
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