How to Estimate VRF Projects
HVAC Estimating is the foundation upon which all construction company profits are built. If you don’t get the estimates correct, your company won’t be in business very long. If you don’t understand your cost and...
Project: Smouse Opportunity School
Building Type: School
Location: Des Moines, Iowa
VRF System: LG
Equipment: • Multi V Water IV Heat Recovery
• High Static Ducted Units
• 4- Way Ceiling Cassette
• Cased and Uncased Vertical Console Units
• BACNet Gateway
• Remote Temperature Sensor
https://youtu.be/_Hk0jQVGsxU
What are the difficulties of Installing a VRF system in a Senior Living Facility?
The difficulty with this VRF project is that the existing senior living facility is occupied. There are two buildings in this senior facility, one classified for...
VRF System Control Wiring
This VRF System control wiring is for a VRF VRV Heat Recovery System with single port branch selector boxes. The control wiring is very simple, it’s basically two 18 gauge wires that go from the thermostat...
What is VRF
VRV Variable Refrigerant Volume systems were invented in Japan in 1982 by Daikin and brought to the United States in 2004. These systems are used worldwide. Daikin VRV (Variable Refrigerant Volume) is their trademarked name, that’s why...
Active vs Passive Refrigerant Recovery
The active removal of refrigerant from a system using Refrigerant Recovery Machines makes the process much easier than using passive methods. The removal of refrigerant from a system that is being repaired or replaced is...
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...
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...
VRF System Cost
We know that VRF system cost varies based on many factors which must be considered when budgeting or bidding on a commercial HVAC project. Of course, it’s not the best option to provide a GMP (Guaranteed Maximum...
https://youtu.be/-h-h_s9heiU
ZoomLock or RLS Fittings vs Brazed Fittings
ZoomLock vs Brazed Fittings.
Which piping joint method is best for your project? There are several things to consider.
What materials are the structure constructed of, and what is...




























