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The Importance of Opposite Season Testing for HVAC Systems
by Ben FowlerDuring this recent cold-snap in the northeast (where it reached -20F at my house in Montpelier one morning!) you can be sure that HVAC contractors were some of the busiest people around....
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What is the Cost of a Damper Actuator Installed Backwards?
by Brent WeigelWhile performing a recent functional performance test for a school HVAC system, I discovered something that had gone unnoticed by the contractors and building owner: a motorized damper...
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Control Graphics: What You See is What You Get
by Brent WeigelWe have posted several times about the importance of building control systems in achieving efficient building performance. In particular, building control graphics screens are a critical...
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Proven Energy Savings through Building Retro-Commissioning
by Eveline KillianThe least utilized part of the building commissioning process is the act of going back to a completed project and proving the monetary value of the commissioning work. This is an...
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Is a Cold Weather Heat Pump Right for Your Building?
by Walker CalderwoodBefore joining Cx Associates I worked as a sales engineer in western New York, with a specialty in Variable Refrigerant Flow and Ductless Split systems. With the new popularity of...
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Is Retrocommissioning Right for Your Building Retrofit?
If you’re the owner or manager of an older commercial building, you may wonder if retrocommissioning is right for your building retrofit. You are not alone. An aging commercial building infrastructure...
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Battle of the Office Thermostat – Fanger Who?
It’s that time of year again – summer – season of vacations, sunscreen (for me at least), mowing the lawn and (queue ominous music) the dreaded “Battle of the Office Thermostat.” We all know what this...
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Legionnaire’s Disease and Cooling Towers: Risk Management
On August 6th, the Commissioner of the New York City department of health issued an order[1] to all commercial building owners/operators in the City requiring the adoption of a new standard, issued in...
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Setback Strategies for Unoccupied Healthcare Operating Rooms
In a previous blog post, I discussed the efficiency opportunity for airflow setback in healthcare operating rooms (ORs). Airflow setback is one of the more significant opportunities for energy savings...
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