Air Source: An HVAC Efficiency Blog

Ductless Heat Pumps

Nov 13 2017Business DevelopmentNewsTechnology

As Fall weather bears down on the Northwest, not is a great time to invest in ductless technology. 
Ductless Heat Pumps allow the user to control each heating and cooling zone independently, achieving about 25% greater efficiency than central air systems. Unlike standard electric heaters, which create their own heat, ductless systems pull existing heat from the surrounding air and use…

VRF Systems at AESP

Oct 11 2017Business DevelopmentNewsTechnology

On August 31st, Ian Metzger from Lockheed Martin Energy presented research findings on behalf of BPA and Air Northwest at the Association of Energy Services Professionals summer conference in Toronto, Canada. The presentation discussed findings from the Air Northwest Industry Input Report: Variable Refrigerant Flow Systems for Commercial Buildings, and was grouped in a session titled Tech Talks:…

It's getting cold in here...and that might be a good thing!

Sep 01 2017Business DevelopmentNewsTechnology

How much do you know about chilled beam HVAC systems? If you have some knowledge, you probably have heard the following benefits: ceiling plenum height, low sound, high comfort, no maintenance in the occupied space and outstanding energy performance.

If you have not, you should know…

Saving Energy Using Electronically Commutated Motors to Run Indoor and Outdoor HVAC Blower Fans

Aug 09 2017Business DevelopmentNewsTechnology

Electric motors account for almost one third of commercial electrical energy consumption.  HVAC and refrigeration equipment are the largest users of motor-driven energy consumption in the commercial sector.

The ASHRAE 90.1 2013 standard requires that fan motors greater than…

Dedicated Outside Air Systems and HRVs

Jul 17 2017Business DevelopmentNewsTechnology

Within their emerging technologies research program, BPA staff is studying alternatives to existing roof top units for commercial end-users.   They are testing a systems approach to separating ventilation control from building heating and cooling. The approach includes an efficient Heat Recovery Ventilation (HRV) system and a hydronic or variable refrigerant flow (VRF) for building heating and cooling. …

Rent tools from the SBC Tool Library

Jul 17 2017NewsTechnology

Air Northwest sponsored a workshop in Seattle last month at the Smart Buildings Center (SBC), which is a project of the Northwest Energy Efficiency Council (NEEC). Conducted in collaboration with Rick Cummings with Gensco, Sal D'Auria with Ventacity, and Duane Lewellen with NEEC, the workshop offered training to HVAC contractors and local utilities on VRF and HRV basics, the benefits of Dedicated…

Drive down consumption with variable frequency drives on air handling unit fans

Jun 09 2017NewsTechnology

Your local utility may offer up to $300 per horsepower for qualifying variable frequency drives (VFD) on air handling unit (AHU) fan installations. Adding a VFD on a constant speed AHU fan allows the drive to match the amount of energy the motor needs for the amount of work that is being done. As the fan slows down, it draws less power than at constant speed, resulting in energy savings. This allows…

Heat Recovery Ventilation (HRV) & Variable Refrigerant Flow (VRF) Basics

Jun 02 2017News

Join your local public power utilities and Air Northwest for a free breakfast and learn about Heat Recovery Ventilation (HRV) and Variable Refrigerant Flow (VRF) basics. The event is in Seattle on June 13th at 8:30AM. 

HRV is an energy recovery ventilation systems that provides fresh air and improved climate control, while also saving energy by reducing heating (and cooling)…

Team Updates

May 19 2017News

As Antonija Krizanac transitions out of her role at Air Northwest, we would like to introduce Bianca Sloma as the new Air Northwest Program Manager. Bianca has managed a variety of energy management programs over the past 10 years and is a great asset to the Air Allies. Bianca’s highlights include leading more than 10 start-up and transition teams for large scale commercial, industrial, and residential…

Advanced Rooftop Controllers Tool

May 19 2017News

Local utilities are providing retrofit incentives for Advanced Rooftop Controllers (ARC) and Air NW has a new tool to help drive the sales.

ARCs are applied to single zone rooftop systems with constant speed fans to modulate the fan speed.  Most commercial buildings are over-ventilated because the constant speed fans are set to run when the building is supposed to be occupied regardless…