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HVAC

Better comfort and energy costs start with the right HVAC. Understand how heating, cooling and airflow all directly contribute to the energy efficiency and tenant comfort of your commercial building.

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[Video] Very High Efficiency DOAS: How It Works and Why It Matters
  • HVAC
  • +1 Tags
    • Very High Efficiency Dedicated Outside Air Systems

[Video] Very High Efficiency DOAS: How It Works and Why It Matters

In commercial buildings across the U.S., outdated or inefficient HVAC systems waste a staggering amount of energy and money, while also creating unhealthy and uncomfortable indoor environments. However, research and field studies have proven there’s an optimal approach to HVAC design that can significantly improve indoor air quality and occupant health, comfort and productivity, while maximizing energy-cost savings. Learn how this optimized, high-performance approach to HVAC combines high-efficiency equipment with design best practices to make widespread commercial HVAC deficiencies a thing of the past.

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All Rooftop Units (RTUs) Are Convenient, But Most Are Wasteful
  • HVAC
  • +1 Tags
    • Efficient Gas Rooftop Units

All Rooftop Units (RTUs) Are Convenient, But Most Are Wasteful

Rooftop units (RTUs) supply heating and/or cooling to meet the thermal comfort requirements of commercial buildings. Inherently convenient, RTUs package heating, cooling and ventilation equipment together in a space that is accessible to technicians without taking up precious real estate. However, most RTUs are using much more energy than necessary. Efficient gas RTUs incorporate a combination of energy-saving features to reduce annual HVAC energy use by up to 40%.

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Featured Resources

Portland Firm Engineers Thermal Comfort and HVAC Efficiency
Case Studies
  • HVAC
  • +1 Tags
    • Very High Efficiency Dedicated Outside Air Systems

Portland Firm Engineers Thermal Comfort and HVAC Efficiency

Originally built as a warehouse in 1943, the 11 Main Building in Portland, Oregon, was converted into an office space in 2014. Though its existing HVAC system was functional, its deficiencies created an uncomfortable indoor environment with occasionally poor indoor air quality. Learn how Energy 350 upgraded their HVAC using the very high efficiency DOAS approach to improve their comfort and air quality while saving energy and money.
A Proven Approach to High-Performance HVAC Improves Efficiency, Health and Comfort
Resources
  • HVAC
  • +1 Tags
    • Very High Efficiency Dedicated Outside Air Systems

A Proven Approach to High-Performance HVAC Improves Efficiency, Health and Comfort

Very high efficiency dedicated outside air systems (very high efficiency DOAS) pair the highest performance HVAC equipment with key design principles to provide cleaner and safer indoor air, enhance indoor comfort, and reduce commercial building HVAC energy use. This approach has been demonstrated to reduce HVAC energy use by an average of 69% when compared to a code-minimum version of the existing equipment (often a packaged rooftop unit).
Trapper Creek Dorm Snares Energy Savings for Good
Case Studies
  • HVAC
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    • Very High Efficiency Dedicated Outside Air Systems

Trapper Creek Dorm Snares Energy Savings for Good

The Trapper Creek Dormitory is a federal government work campus in rural Montana. When restricted airflow caused summertime overheating, ventilation issues, and unsafe C02 levels in their dormitories, the facility managers decided to partner with Ravalli Electric Co-op and Bonneville Power Administration to implement a high-performance HVAC conversion.
Condensing Rooftop Unit Field Study Summary Report
Resources
  • HVAC
  • +1 Tags
    • Efficient Gas Rooftop Units

Condensing Rooftop Unit Field Study Summary Report

To better understand challenges and to evaluate field performance, user acceptance, reliability, and energy savings potential in the Northwest, NEEA partnered with local utilities and businesses to install and monitor four condensing rooftop units (C-RTUs). This report summarizes the field study results from those four units during the 2018/2019 heating season. For more detailed information and findings, view the C-RTU Field Study Final Report at: betterbricks.com/resources/condensing-rooftop-unit-field-study-final-report
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Quick Jumps

  • Very High Efficiency Dedicated Outside Air Systems

    The next step in the ongoing evolution of HVAC design, very high efficiency DOAS uses the most efficient HVAC equipment and key design principles to provide cleaner and safer indoor air, enhance indoor comfort, and reduce commercial building HVAC energy use by an average of 69% (when compared to a code-minimum system).

  • Efficient Gas Rooftop Units

    Rooftop units (RTUs) supply heating and/or cooling to meet the thermal comfort requirements of commercial buildings. Inherently convenient, RTUs package heating, cooling and ventilation equipment together in a space that is accessible to technicians without taking up precious real estate. However, most RTUs are using much more energy than necessary. Efficient gas RTUs incorporate a combination of energy-saving features to reduce annual HVAC energy use by up to 40%.

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