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ASHRAE Study on Mechanical Piping Joints

ASHRAE Study on Mechanical Piping Joints

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...
Refrigerant piping Insulation Best practices

Refrigerant Piping Insulation

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...
VRF Project Cost Tracking

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...
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...
Mitsubishi VRF Hybrid System

Mitsubishi VRF Hybrid System

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...

VRF Project Video – The Mackie Building

A mixed use building in Downtown Milwaukee Wisconsin the Mackie Building is an 55,000 square-foot historic building complete with restaurants, businesses and residential spaces which is using the LG...
VRF Manufactures List

VRF Manufactures Equipment List

Enclosed you will find each VRF Manufactures Equipment List with links to their products for VRF Heat Pump and Heat Recovery systems. Carrier - Mitsubishi - Daikin Carrier Heat Pumps...
mechanical construction estimating software

Mechanical Construction Estimating Software

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...
VRF Rooftop Fan Coils

VRF Rooftop Fan Coils

Rooftop VRF Fan Coils The latest in VRF innovation is coming this summer with the introduction of Carriers Rooftop VRF Fan Coils that will replace existing HVAC Rooftop Packaged Units....
ZoomLock crimping tool review

ZoomLock Crimping Tool Review

ZoomLock™ Tool Review For those of you that are new to press-fit tools we will cover the features of the Klauke 19 kn tool used on ZoomLock™ fittings, this includes...

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