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Assured Precision
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About Assured Precision
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Assured Precision
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About Assured Precision
Our Mission & Vision
Quality Assurance Service
HVAC Design Services
Client Testimonials
Contact Us
Professional Affiliations
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Unmatched Precision. Trusted Energy Expertise.

Quality You Can Trust. Support You Can Count On.

About Assured Precision

 

Assured Precision: Built on Experience. Driven by Purpose.


Assured Precision was founded with a clear mission: to bring trust, accuracy, and excellence back to the heart of building performance. After more than 3 decades of combined experience in energy efficiency, building performance, and HVAC design, our founders saw a growing gap between what projects promise and what they actually deliver.


We created Assured Precision to close that gap. Our company was built to set a higher standard—where compliance isn’t just checked off a list, and where performance is measured, proven, and optimized. We believe buildings should work smarter, last longer, and perform exactly as intended.


Assured Precision exists to ensure every project is backed by technical expertise, rigorous quality, and an unwavering commitment to doing things right the first time.

Our Mission & Vision

Our Mission

 

At Assured Precision, our mission is to set a new standard for excellence in energy efficiency and building performance. We are committed to delivering trusted, high-quality solutions in HVAC design and quality assurance that drive smarter, more sustainable buildings.

We believe every project deserves precision, accountability, and results that last. From concept to completion, we partner with our clients to ensure their goals are met and optimized—because better performance starts with smarter design, and smarter design starts with Assured Precision.

Our Vision

 

At Assured Precision, we envision a future where energy efficiency and quality assurance are not optional—they are the standard. A future where every building is designed, constructed, and operated with precision, sustainability, and performance at its core.

Our vision is to empower businesses and communities to create smarter, more resilient built environments through innovative solutions and rigorous quality assurance practices that drive measurable, lasting results.

By setting a higher bar for building performance, HVAC design, and compliance, we aim to lead the industry toward a cleaner, more efficient, and more accountable future—one project at a time.

Industry Leaders

Our team at Assured Precision consists of industry leaders with 3 decades of combined experience in energy efficiency, building performance, and HVAC design. We are committed to providing expert insights and innovative solutions for every project.

RESNET HERS Quality Assurance Services

 At Assured Precision LLC, we take pride in helping HERS Raters, builders, and energy professionals deliver consistent, verified results that meet — and optimize — RESNET’s national standards. As a RESNET-accredited Quality Assurance Provider, we offer comprehensive oversight, guidance, and support designed to ensure every rating is accurate, defensible, and compliant.

Our Services Include:

File QA Reviews

Every file review is an opportunity to improve accuracy and strengthen your process. We perform detailed RESNET-compliant file audits to ensure consistency, proper documentation, and energy model integrity — with clear, actionable feedback to help you refine your craft.


Field QA Inspections

Our on-site quality assurance inspections verify testing procedures, data collection, and equipment use — ensuring your field performance aligns with RESNET standards and best practices. We work with you, not against you, to help you deliver trusted results.


Mentorship & Technical Support

Whether you’re new to the industry or a seasoned professional, our team provides ongoing mentorship, technical guidance, and prompt support. From interpreting standards to troubleshooting software challenges, we’re here to help you succeed — not slow you down.


Compliance & Audit Assistance

We stay current with RESNET’s evolving QA and compliance requirements so you don’t have to. Our proactive monitoring and guidance keeps your ratings — and your credentials — audit-ready at all times.


Training & Continuing Education

We offer tailored training opportunities to keep your skills sharp and your knowledge up-to-date. From RESNET updates to advanced modeling techniques, we make professional development practical and accessible.

Why Partner with Assured Precision?

 

  • Experienced QA Professionals who understand the rater’s perspective
     
  • Constructive, real-world feedback that improves your workflow
     
  • Fast, responsive communication when you need answers
     
  • Reliable support through every stage of your professional growth
     

At Assured Precision, quality assurance is more than compliance — it’s a commitment to precision, partnership, and the continued success of every rater we serve.

HVAC Design Services

Assured Precision HVAC Design

At Assured Precision, our hands-on involvement in every design ensures clients benefit directly from decades of proven expertise. We know what works—and what doesn’t—because we’ve seen it all. Our approach to HVAC design is rooted in real-world experience, delivering solutions that are not only cost-effective but also built to perform reliably over time.


We prioritize system longevity, occupant comfort, and operational efficiency—resulting in fewer service calls, happier end users, and measurable savings for our clients. Every HVAC design is meticulously developed in accordance with ACCA and ASHRAE industry standards.

Manual J

Room‑by‑room & whole‑house loads (summer/winter) with design conditions, envelope assumptions, and ventilation inputs documented. 

Manual S

Equipment sizing per ACCA, matched to loads with AHRI refs; sensible/latent splits and blower performance noted. 

Manual D

Duct layout & sizing, external static targets, register schedule (CFM/room), and balancing notes for field teams. 

Deliverables

PDF packet (loads, equipment, ducts), airflow schedule, and project summary sheet; optional REScheck and coordination call. 

Our Process

 Share plans ➜ Scope & fee ➜ Draft design ➜ Review & revisions ➜ Permit‑ready package. 

Client Testimonials That Inspire

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Assured Precision LLC

+1.703.991.3421

Hours

Mon

08:00 am – 05:00 pm

Tue

08:00 am – 05:00 pm

Wed

08:00 am – 05:00 pm

Thu

08:00 am – 05:00 pm

Fri

08:00 am – 05:00 pm

Sat

Closed

Sun

Closed

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