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VRF

VRF Variable Refrigerant Flow

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...
VRF Heat Pump or Heat Recovery (How to choose between a VRF Heat Pump or Heat Recovery System) or Packaged DX Scroll to the bottom if you prefer to watch the video.
Tenant Submetering How do you bill tenants for their share of the use of a piece of air conditioning equipment that is shared amongst more than one tenant in your building? If you have a VRF Air Conditioning system, where...
doas energy recovery

DOAS Energy Recovery

DOAS - Energy Recovery When is an Energy Recovery system required according to ASHRAE 90.1 (2013)? ASHRAE 90.1 2013 (Energy Standards for Buildings, Except Low Rise Residential Buildings) When using a VRF Dedicated Outside Air System (DOAS) to bring in ventilation air to...
Refrigerant Recovery Speed Using the 80/20 rule, where we assume that 80% of the refrigerant recovered will be in vapor form and 20% will be recovered in liquid, we have created the following chart....
Should you install a VRF Heat Recovery or VRF Heat Pump system for a Residential home or commercial property? We will discuss three options you have related to air-cooled split systems, not including rooftop...
what is vrf variable refrigerant flow

What is VRF?

VRF Wizard provides all information about Variable Refrigerant Flow (VRF) technology. We cover everything you need to know about installation, cost estimation, project tracking concerning VRF systems. Continue reading to learn what a VRF system is all about. A VRF...
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...
VRF Heat Recovery - Single Port Branch Selector Box

VRF Heat Recovery System

VRF Heat Recovery System Using a VRF Heat Recovery system allows you to provide simultaneous cooling and heating. This means that one zone can be in cooling mode while another is in heating. This is not possible with a VRF...
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...