Mechanical Acceptance Testing

MECHANICAL ACCEPTANCE TESTING

Our certified HERS Raters are experienced and equipped to handle any Mechanical Acceptance Testing or Verification in San Diego and Riverside County.

No matter if you're the owner of a mom and pop shop looking to remodel your business, or a large construction company with multiple projects, CA Comfort Testing is your solution to commercial Mechanical Acceptance Testing and Verification. Our certified technicians have almost 10 years of experience, and we're certified in a wide range of building efficiency areas. We've built our reputation in San Diego and Riverside County by providing accurate and prompt verifications. We go above and beyond to provide a positive experience for our commercial clients.

Mechanical Acceptance testing specifies targeted inspections and functional performance tests to ensure that equipment installed in nonresidential buildings is operating as designed and in compliance with the Energy Code. These pass/fail tests are required for mechanical systems installed in newly constructed buildings and as part of major renovations, and for all new replacement equipment of these types.

Our Commercial HERS Testing Certifications

Commercial
Field Verifications

The below mechanical acceptance tests vary from job to job-based on the type of equipment installed.


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NRCA-MCH-02 Outdoor Air Verification

Variable Air Volume System: This detailed test confirms the allocation of satisfactory open-air ventilation through the variable air management system at two operating conditions. The test consists of verifying outside air values at the minimum flow and also at peak flow. Per the California energy code, the test validates the introduction of a minimum amount of outdoor air into the air handling component. It must be inside the margin of 10 percent. This is the required air volume when the system is in occupied mode within these two conditions of supplied airflow.
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NRCA-MCH-03 (Constant Volume, Single Zone, Unitary AC & Heat Pump Systems)

This test validates the mechanisms of a constant volume, single‐zone, unitary air-conditioner, and heating pump system. The examination confirms all components, including thermostat installation and programming, supply fan, heating, cooling, and damper operation function correctly.

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NRCA-MCH-05 (Air Economizer Controls)

Testing the functionality of an air economizer cycle verifies the use of outdoor air to satisfy space-cooling loads in an HVAC system. The two types of economizer controls are stand-alone packages and Direct Digital Control (DDC). The stand-alone packages are commonly associated with small unitary rooftop HVAC equipment. DDC systems provide more precise control over HVAC, allowing you to set different temperature zones, schedule and automate system operation, and monitor performance over time.
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NRCA-MCH-03 (Constant Volume, Single Zone, Unitary AC & Heat Pump Systems)

This verification ensures a proper Fault Detection is in place and actively reports fault detection and diagnostics usually found in packaged DX units. The purpose of these FDD systems is to ensure the equipment is running optimally by constantly checking temperature sensors, airflow levels, and economizer operation. FDD systems truly help Maintain equipment efficiency at rated conditions throughout the lifetime of the equipment.

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NRCA-MCH-02 Outdoor Air Verification

Variable Air Volume System: This detailed test confirms the allocation of satisfactory open-air ventilation through the variable air management system at two operating conditions. The test consists of verifying outside air values at the minimum flow and also at peak flow. Per the California energy code, the test validates the introduction of a minimum amount of outdoor air into the air handling component. It must be inside the margin of 10 percent. This is the required air volume when the system is in occupied mode within these two conditions of supplied airflow.
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NRCA-MCH-06 (Demand Control Ventilation)

When a C02 sensor is required to be installed, this acceptance test is performed. Usually, a C02 sensor is mandatory when: A high-density space up to 40ft2 per person, the system has an outside air economizer / modulating outside air control, or system has Outside Air >3,000 CFM. The purpose of the examination is to verify that systems required to employ demand-controlled ventilation that can vary outside ventilation flow rates. This is based on maintaining interior carbon dioxide (CO2) concentration setpoints. Demand Controlled ventilation refers to an HVAC system's ability to reduce outdoor air ventilation flow below design values when the space served is at less than design occupancy. CO2 is a good indicator of occupancy load and is the basis used for modulating ventilation flow rates.

Here are some helpful links related to HERS. If you can't find what you're looking for, reach out to us, we're here to help.

Energy code Ace is a simplified website that helps us navigate through the complicated process of Title 24 part 6.

The Energy Code Ace suite of tools is designed to help you identify the forms, installation techniques and standards relevant to building projects in California.

Energy Code Ace Training Courses target a wide range of “hot topic” measures and audience groups, and are provided in a variety of formats.

Energy code Ace Resources provides resources to help facilitate effective implementation of California’s building and appliance energy efficiency standards.

The California Energy Commission plays a critical role in creating the energy system of the future - one that is clean, is modern, and ensures the fifth largest economy in the world continues to thrive.

Here is where you can find current, past and future standards for both residential and commercial buildings.

Energy.gov has excellent resources when it comes to saving energy and money while creating building comfort.

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Each of our HERS raters are professionally certified to meet industry standard utilizing calibrated equipment.
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