Leak prevention - Articles - Page 5

Cornell Tech Passive House Turns To Duct Sealing Innovation

February 19, 2018

Completed in 2017, The House at Cornell Tech is the world’s largest building to meet Passive House criteria, the strictest international standards for building performance and energy efficiency. At the heart of the building’s unique Passive House design is an HVAC system designed to provide exceptional comfort and indoor air quality for a fraction of the residents’ usual energy costs.

CO2 Leak Detection in Refrigeration Applications

The importance of effective monitoring

Tom Burniston

August 7, 2017

Regulations, market drivers, and trends reflect that carbon dioxide (CO₂) is increasingly being used as a refrigerant in a variety of applications. This includes applications such as: supermarkets/grocery stores, cold rooms, walk-in freezers, industrial cold storage, and food manufacturing/processing.

Ducts in a Conditioned Space: To Insulate or Not?

Have HVAC contractors been ignoring a problem for decades?

David Richardson

June 26, 2017

Is it possible there are negative effects caused by uninsulated ducts in conditioned spaces we may have overlooked for decades? Let’s look at some problems you might encounter due to this practice and how you can determine the impact on the performance of your systems.

Taco Comfort Solutions: Leak Protection

April 3, 2017

The LeakBreaker is a water heater leak-protection device that guards against flood damage from a leaking water heater. It consists of a control unit, a valve with an actuator, and a sensor.

Armacell’s AP Armaflex protects against condensation and reduces the possibility of mold or any other bacteria or microbial growth on the insulation in this chilled water system.

Efficiency Codes, Standards Drive Green Ductwork Trend

'Green ductwork' emerging as industry buzzword

September 19, 2016

Depending on who you’re talking with, the phrase "green ductwork" can mean different things, though most agree it typically encompasses recycled materials, various IAQ elements, duct-sealing products, and more.

A technician adds a refrigerant sealant to the suction side of a residential air conditioning unit. Photo courtesy of Nu-Calgon

Do You Use Refrigerant Leak-stop Agents?

Proponents, detractors weigh in on the quick fix versus solid solution debate

Ron Rajecki

April 4, 2016

Some contractors have used leak-stop agents successfully for years and consider them practical and cost-effective ways to seal small, hard-to-find leaks in systems. Other contractors feel strongly that only two things belong in a system: refrigerant and oil.

The secondary side of this heat exchanger was unable to be cleaned.

Condensing Boiler Heat Exchangers Must Be Cleaned Regularly

A lack of maintenance may lead to carbon monoxide leaks or worse

Jim Godbout

March 14, 2016

Have you impressed upon your technicians the need to routinely service mod-con boiler systems? Have you reviewed the maintenance records for systems installed by your firm? Are there any holes in the records? Are you and your customers at risk? It never hurts to check.

Schebler Chimney Systems: Leak-free Venting

February 29, 2016

The eVent DualSeal with RapidLock™ connection system is designed for high-efficiency boilers. The patent pending, flange-to-flange, factory-applied, gasket-to-gasket design was developed to prevent venting systems from leaking.

New Tool Simplifies Building Airtightness Testing

The new PULSE test is said to be quick and easy to operate

February 11, 2016

The University of Nottingham announced it has developed a new and easy-to-use test for measuring the airtightness of buildings in order to help eliminate drafts, improve energy efficiency, and reduce heating bills.

Hand-Held Carbon Dioxide Leak Detector

SCL2 features three sensitivity levels and rechargeable battery

October 5, 2015

Fieldpiece Instruments has introduced the SCL2, a new hand-held carbon dioxide (R-744) leak detector that’s designed to be responsive, economical, easy-to-use, and easy-to-handle.