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...
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...
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 the technical aspects of ZoomLock™ in another article; see ZoomLock...
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...
SmartLock Fitting Review
There is another ACR fitting available that eliminates brazing in refrigerant systems called the SmartLock fitting. We will review the SmartLock fitting vs Brazed fittings in this article.
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...
https://youtu.be/xgSWw_vcepI
VRF / VRV manufactures require that you use their proprietary software to design the refrigeration piping for the installation of their VRF systems. You or your engineer will need to have a cooling...
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...
VRF Piping Hangers and Expansion Loops
When hanging or fastening VRF copper refrigerant piping that involves long runs, then some form of considerations needs to be made for expansion due to temperature differences.
If no allowances are made for expansion in...
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...
