Dedicated Outdoor Air System Design Services
Dedicated Outdoor Air Systems
Effective air filtration is critical for commercial buildings to maintain a healthy indoor environment. High-performance filters from Neville Engineering Service, Inc. remove airborne contaminants that can accumulate and circulate through the space. We eradicate dust, pollen, and other particles. Proper filtration improves indoor air quality for occupants and protects HVAC systems from dust buildup and debris.
The benefits of our dedicated outdoor air system (DOAS) design services include:
- Increased ventilation effectiveness
- Improved indoor air quality
- Enhanced humidity control
- Greater flexibility in HVAC design
- Reduced equipment size and energy costs
Learn more about our process
Neville Engineering Service offers DOAS units in a range of capacities to meet any project. Our experts analyze your space, ventilation requirements, and goals to design a system tailored to your needs. From advanced medical offices to multi-family buildings, we have a proven DOAS solution.
In addition, DOAS solutions from Neville Engineering offer more energy and cost savings than traditional HVAC systems. By separating ventilation loads, the primary system can run more efficiently without processing outdoor air continuously. This allows for right-sized equipment and reduced energy use.
Energy recovery modules also capture heating and cooling from exhaust air, saving energy expenses. Independent dehumidification prevents overcooling and wasteful reheat. With DOAS, cooling setpoints are less extreme, driving major energy savings. Our smart controls minimize ventilation during unoccupied periods to save fan power.
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Our Work
View our gallery of projects to see the commercial and industrial spaces we work on.
With Deep Experience in Value Engineering & Code Compliance
Fair, Efficient Turnaround three line
Realistic timelines and fast responses — no chasing down updates.
Cost-Efficient, Constructible Design
Plans that support long-term maintenance and installation ease.
Responsive, No-Nonsense Communication
Clients value being kept in the loop — without the jargon or delays.
Code Knowledge as a Service
To share our deep familiarity with local and state-level codes, we offer long-term client education and code updates online.
FAQs
What is a DOAS system and why is it important?
A Dedicated Outdoor Air System (DOAS) is designed to bring in fresh, filtered air and separate it from cooling and heating functions. It improves indoor air quality, enhances humidity control, and increases the overall effectiveness of ventilation.
How does Neville Engineering improve indoor air quality?
Neville Engineering uses high-performance filters that remove airborne contaminants such as dust, pollen, and other particles. This not only enhances indoor air quality for occupants but also protects HVAC systems from debris buildup.
What are the benefits of using Neville Engineering’s DOAS design services?
Increased ventilation effectiveness
Improved indoor air quality
Enhanced humidity control
Greater flexibility in HVAC design
Reduced equipment size and energy costs
How has COVID-19 changed the way buildings approach ventilation?
The pandemic heightened the focus on fresh air delivery. Neville Engineering integrates DOAS with high-efficiency particle filtration as an added safeguard and adapts filtration designs to meet evolving health and safety needs.
Can Neville Engineering customize DOAS systems for my building?
Yes. We design DOAS units tailored to your project’s capacity and ventilation requirements—whether it’s a hospital, office building, or another commercial space. Each system includes air handling, distribution, controls, and accessories.
Does Neville Engineering offer other HVAC solutions?
Absolutely. In addition to DOAS, we provide:
High-efficiency heat pump systems with variable-speed compressors and zone-level equipment
Ventilation systems like ERVs, energy-efficient fans, blowers, configurable air handlers, and fume hoods
What energy savings can I expect from a DOAS system?
By separating ventilation from the main HVAC load, DOAS allows right-sized equipment and reduced energy usage. Energy recovery modules reclaim heating and cooling from exhaust air. Independent dehumidification avoids overcooling and wasted energy, while smart controls cut fan power during off-hours.
What is it like working with Neville Engineering?
We aim to be more than a vendor—we’re your long-term engineering partner. With deep expertise, integrity, and a commitment to your project’s success, we support you at every stage of the design and implementation process.
