Builders
Pass inspection the first time
Ratings and testing on your build schedule, with problems caught before drywall.
Builders · Contractors · Homeowners · HERS Raters
Homes that perform the way they were designed.
HERS ratings, code testing and HVAC and MEP design for builders and contractors. Radon, mold and energy audits for homeowners. Provider services for raters.
30+ yearsCombined experience in building performance
RESNETAccredited Rating & QA Provider
ACCAManual J, S & D designs, permit-ready
1 dayTo confirm your appointment
Services
Everything between the plans and the final inspection.
New construction & code
For builders and developers.
- HERS ratingsProjected from plans, confirmed with inspections and testing.
- ENERGY STAR® verificationDesign, inspection and testing for homes earning certification.
- Code compliance testingBlower door and duct leakage testing, inspection-ready.
- Energy modeling & REScheckCode compliance paths and utility rebate projections.
- NGBS green verificationBronze through Emerald, from plan review to final.
HVAC & MEP design
For HVAC contractors, builders and design teams.
- Manual J, S & DLoads, equipment and duct design in one permit-ready package.
- MEP plan designMechanical plans and drawings for residential and light commercial.
- Plan & submittal reviewPermit comment responses, shop drawing and O&M review.
- HVAC performance diagnosticsComfort and humidity complaints traced with testing and data logging.
Healthy & existing homes
For homeowners, realtors and property managers.
- Radon testingProfessional testing with fast turnaround and clear results.
- Mold inspection & testingMoisture sources, visible and hidden growth, air sampling.
- Thermal imagingFinds air leaks, missing insulation and thermal bridging.
- Home energy auditsTesting plus a prioritized scope of work for upgrades.
For HERS Raters
Provider services, QA and training.
- RESNET Rating ProviderRegister your ratings with a provider that picks up the phone.
- Quality assuranceFile reviews and field QA that keep you audit-ready.
- Training & mentorshipRater training, continuing education and crew field training.
Who we serve
Who we work with
HVAC contractors & designers
Right-sized systems, fewer callbacks
ACCA and MEP designs you can permit and install, with an airflow schedule for your crew.
Homeowners & realtors
A healthier, more comfortable home
Radon, mold, thermal imaging and energy audits with results you can understand.
HERS Raters
Backed by real-world field experience
Rating Provider services and QA from a team with decades in the field, plus quick answers when you need them.
Google reviews
What our clients say
★★★★★
5.0 from 5 Google reviews
★★★★★
“True professionals with the knowhow to produce tangible results.”
★★★★★
“Working with Assured Precision was amazing. They worked with me every step of the way to help finalize my certification process. I recommend Assured Precision to HERS Raters for QAD, and to homebuilders and homeowners for all your rating and comfort needs.”
★★★★★
“Very professional and prompt service. Listens to what my concerns were and has explained the whole process of what needs to be done would highly recommend.”
★★★★★
“I could not be happier with the service I received from Assured Precision. They were quick, professional and responsive.”
New construction programs
Building ENERGY STAR® certified homes?
ENERGY STAR certified homes are independently verified to meet strict energy efficiency requirements set by EPA's ENERGY STAR Residential New Construction program. We handle the design, inspection and testing work behind that verification.
- HVAC design report. Manual J, S and D documentation.
- Plan review. Energy modeling before construction starts.
- Pre-drywall inspection. Insulation, air sealing and water management.
- Final testing. Blower door, duct leakage, ventilation and HERS Index.
About us
Built on experience. Driven by purpose.
We started Assured Precision to close the gap between what projects promise and what they deliver. Performance should be measured and proven, and done right the first time.
Tell us what you need
Pick a service and a date below. Send plans for design work.
We confirm and show up
We confirm within one business day and arrive ready to test.
You get clear results
Documented results and plain next steps, ready for the inspector.
Scheduling
Schedule service
Takes about two minutes. We'll confirm within one business day.
Phone 703.991.3421
Email info@assuredprecision.com
Hours Mon–Fri, 8 am – 5 pm
Our professional affiliations
