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Ralph Miranda
Sep 2023

Your Premier Partner for Estate Preservation & Energy Efficiency

Home Energy Rating Service serves as the definitive authority on energy compliance for the exclusive residential community of San Marino, California. In a city renowned for its expansive manicured lawns, historic Lacy Park, and the world-class Huntington Library, maintaining the architectural integrity of “old money” estates while meeting modern California energy codes is a delicate balance. We specialize in navigating the rigorous standards of the San Marino Planning & Building Department and the Design Review Committee (DRC). Whether you are sensitively retrofitting a 1920s Spanish Colonial Revival on Huntington Drive or finalizing a high-performance guest house (ADU) on a sprawling property near the Old Mill, we act as the critical link between preservation and performance.

We are a well-established and reputable home energy rating service that takes immense pride in our role within the San Marino construction sector. We understand that in this community, privacy and discretion are as important as technical expertise. Our team operates with a “white-glove” approach, ensuring that our presence is seamless, respectful, and strictly adherent to the city’s limited construction hours. As a locally owned and operated business, we possess specialized knowledge of Climate Zone 9, ensuring your estate’s systems are optimized to handle the San Gabriel Valley’s intense summer heat without compromising the aesthetic standards that define San Marino.

Why San Marino Builders & Homeowners Choose Us:

  • Licensed, Insured & Bonded: We carry substantial liability coverage ($1,000,000) to protect our high-net-worth clients and their valuable properties. This level of protection provides absolute peace of mind during on-site diagnostic testing, a non-negotiable requirement for many estate managers.
  • Historic Sensitivity: We understand the nuances of the San Marino Design Review Committee. We verify energy upgrades (like windows and cool roofs) that have been pre-approved to match the historic fabric of the home, ensuring no conflict with city ordinances.
  • Discretion & Professionalism: We hire only quality, trusted, and reliable staff who treat your estate with the utmost respect. We are accustomed to working within high-security properties and adhering to strict Non-Disclosure Agreements (NDAs).
  • Estate-Scale Capability: From verifying complex multi-zone HVAC systems in main residences to testing independent systems in pool houses and staff quarters, we have the advanced equipment to verify it all.

From the initial Title 24 energy calculation review to the final HERS testing service, we invite you to experience the superior standard of care at Home Energy Rating Service. Contact us today to secure your compliance certification.

San Marino ECC Testing & HERS Services

Streamlining Your Path to Efficiency, Compliance, & Occupancy

Navigating the modern building landscape in San Marino requires a sophisticated understanding of the Energy Code Compliance (ECC) Program. This regulatory framework ensures that new and altered buildings meet specific energy efficiency standards before they can be legally occupied. Our team provides the essential ECC testing service required by the City of San Marino. We act as objective third-party verifiers, conducting the necessary field diagnostic tests to prove that your construction aligns perfectly with the energy design calculations submitted during the plan check process.

Assessing Energy Efficiency Our certified raters utilize the Energy Rating Index and verified ECC methodologies to strictly evaluate your property’s performance. We provide a precise numerical score that rates a building’s energy efficiency. This ECC rating functions similarly to a miles-per-gallon sticker for a vehicle; a lower score indicates a higher level of efficiency. In San Marino’s luxury market, a verified low energy score is a mark of engineering excellence. It demonstrates that the estate is future-proofed, offering superior thermal comfort and resilience—key considerations for maintaining the value of legacy properties.

Residential Solutions: Optimized for Large Estates For homeowners in San Marino, our HERS testing service is designed to identify invisible energy drains that compromise comfort in expansive living spaces.

  • Duct Leakage Testing: In estates with thousands of square feet of living space, duct runs are long and complex. Leakage here can significantly reduce system performance. We verify airtightness to ensure conditioned air reaches the furthest wings of the home efficiently, balancing temperatures between the main house and upper levels.
  • Refrigerant Charge Verification: We ensure high-capacity air conditioning systems meet the manufacturer’s precise specifications. In Climate Zone 9, where summer temperatures frequently exceed 100°F, an optimized charge is critical for cooling performance and protecting expensive equipment from premature failure.
  • Indoor Air Quality (IAQ): We verify that mechanical ventilation systems meet ASHRAE standards. This is vital for maintaining a healthy indoor environment, particularly in homes built with tight building envelopes for acoustic privacy and security.
  • Quality Insulation Installation (QII): We inspect insulation at the framing stage to ensure there are no gaps or voids. This is often a mandatory requirement for new custom homes to meet Title 24 compliance without sacrificing architectural features like cathedral ceilings and grand foyers.

Institutional & Guest House Verification While San Marino is primarily residential, we also support the community’s educational and institutional infrastructure, as well as the growing number of accessory structures.

  • ADU & Guest House Verification: The construction of Accessory Dwelling Units (ADUs) has increased in San Marino. We specialize in the specific Title 24 requirements for these units, whether they are converted carriage houses or new detached structures.
  • Mechanical Acceptance Testing: For estates or local institutions utilizing commercial-grade controls or economizers, our technicians perform the required acceptance testing to satisfy strict Title 24 requirements.
  • System Performance Evaluation: We conduct audits of existing HVAC infrastructure to identify inefficiencies. This preventative approach helps estate managers reduce operating costs and extend the lifespan of mechanical equipment.

Promoting Sustainable Stewardship Our testing services are a fundamental component of San Marino’s commitment to stewardship and sustainability. A verified home energy score encourages the construction of estates that consume significantly less energy, thereby reducing carbon footprints. By validating that high-performance systems—such as high-efficiency heat pumps, ground-source loops, and battery storage systems—are installed correctly, we ensure your property contributes to a sustainable future for the community.

Incentives and Rebates Achieving high performance through ECC testing is financially rewarding. Utility companies like Southern California Edison (SCE) and SoCalGas often offer substantial rebates and tax credits for properties that exceed standard efficiency benchmarks. A professional HERS rating in San Marino is often the mandatory documentation required to claim these valuable financial incentives for upgrades like high-performance windows, cool roofs, and electric heat pumps. We assist you in gathering the necessary data to maximize your return on investment.

Our Core Diagnostic Services:

  • Duct Testing: Verifying airtightness to prevent energy loss and protect indoor air quality.
  • Refrigerant Charge Measurement: Ensuring A/C units and heat pumps run at factory-specified efficiency.
  • Air Balancing: Optimizing airflow distribution for multi-zone comfort and system longevity.
  • Title 24 Consulting: Expert guidance on compliance forms like CF-1R, CF-2R, and CF-3R.
  • Blower Door Testing: Measuring whole-house air leakage to validate the building envelope’s tightness.
  • Permit Expediting: Assisting clients in navigating the bureaucratic process with the City of San Marino to close out permits faster.

Common Questions About Energy Compliance

What is the Energy Code Compliance (ECC) Program? The ECC Program refers to the comprehensive set of standards (Title 24) designed to reduce energy consumption in buildings. It mandates independent verification by a certified ECC testing service to ensure that installed energy features meet the approved energy design.

Do you understand the San Marino Design Review process? Yes. We understand that energy upgrades in San Marino must often pass through the Design Review Committee (DRC). We verify that the installed equipment matches both the Title 24 report and the aesthetic requirements approved by the city (e.g., ensuring window U-factors match the approved wood-clad specifications).

What is the difference between HERS testing and ECC testing? These terms are often used interchangeably as the industry transitions its terminology. HERS (Home Energy Rating System) is the legacy term, while ECC testing refers to the broader verification activities required to meet the modern Energy Code Compliance Program standards. Our company is certified to perform both.

Why is an ECC rating important in San Marino? An ECC rating or HERS rating is typically required by the San Marino Building Department to finalize a building permit. It serves as proof that the home’s energy features were installed correctly and perform as promised, ensuring the issuance of your Certificate of Occupancy.

Are you insured? Yes, Home Energy Rating Service is fully licensed, bonded, and insured. We carry comprehensive liability insurance ($1M) to protect our clients and their properties during all inspections and testing procedures. We are happy to provide proof of insurance to general contractors and homeowners upon request.

Home Energy Rating Service (805) 551-1050