Best Auditors in Oakland, CA

CalRATERS Energy Solutions, based in the Bay Area, is a family-owned and operated company offering home energy testing and energy audits to homeowners and contractors. Established in 2015, they have over 20 years of experience in the heating and air conditioning industry and have been in the home energy industry since 2013. CalRATERS distinguishes itself by providing unbiased, third-party testing and solutions, without selling upgrade work. They focus on helping homeowners make informed decisions about energy upgrades and navigate rebate programs. CalRATERS takes a whole-home approach to energy audits, providing in-depth analysis of a home's energy usage. They use advanced equipment like duct blasters and blower doors to locate leaks and infrared cameras to identify insulation issues and hot/cold spots. CalRATERS aims to simplify the HERS process for contractors and homeowners, offering a streamlined, start-to-finish approach. They handle everything from permitting to HERS testing and final city inspections. The company also assists with navigating the TECH Clean Energy Rebate Program, HEEHRA Rebate Program, and other local rebate programs, handling paperwork and submissions. CalRATERS provides Title 24 compliance testing and certification services for new construction, additions, and remodels. CalRATERS Energy Solutions is known for its fast, reliable ECC testing and Title 24 compliance, providing unbiased energy audits. They offer Energy Code Compliance (ECC) testing, including HERS verification, ventilation diagnostics, and insulation checks. The company prides itself on fast paperwork turnaround, guaranteeing it within 24 hours of testing. CalRATERS serves residential clients in the entire Bay Area. They are not BBB accredited but have an A+ rating.

Hassler Heating & Air Conditioning, LLC, established in 1999, provides HVAC services in the East Bay, focusing on improving home energy efficiency. They serve Alameda, Contra Costa, and Marin counties. Hassler specializes in residential heating and cooling services, including heat pump installation, maintenance, and repair of HVAC systems. They are committed to customer satisfaction, offering quality workmanship and reliable service. As an environmentally-conscious business, Hassler also offers energy-efficient solutions that not only enhance comfort but also significantly lower utility bills.

Basaltic, Inc. is a one-stop solution for energy and green building needs, offering consultations in both English and Chinese. They are accredited by the BBB with an A+ rating. Basaltic, Inc. provides services in Alameda County, Contra Costa County, Marin County, Napa County, San Francisco County, San Mateo County, Santa Clara County, Solano County, and Sonoma County.

BPP, Inc., also known as Building Performance Professionals, has been serving the Bay Area since 1971, initially as Mason Construction, focusing on construction and remodeling with efficiency in mind. In 2009, the company transitioned to Building Performance Professionals, specializing in home performance services. BPP offers a range of services including home performance audits, HVAC system installation, maintenance, high-efficiency heating and cooling (including mini-split heat pumps), insulation, duct sealing, mechanical ventilation, and solar photovoltaic systems. They also offer new construction services and build structures to passive house standards. BPP aims to improve home efficiency and air quality, helping clients prioritize improvements and understand available financing, rebates, and tax incentives.

NorCal HERS provides Title 24 compliance and HERS testing services in Northern California and the Bay Area. They specialize in energy ratings, inspections, and diagnostic testing for residential and commercial buildings. NorCal HERS aims to help homeowners and contractors meet California's Energy Code requirements and improve energy efficiency. They offer services such as duct leakage testing, air flow testing, refrigerant testing, and blower door testing.

The first step to improving your home's performance is a comprehensive energy audit conducted by a trained technician from All Things Good.

Bay Area HERS Raters appears to operate as a network connecting homeowners, contractors, and builders with certified Home Energy Rating System (HERS) raters in the Bay Area. These raters specialize in ensuring projects meet California's energy efficiency regulations and optimizing energy performance and cost savings. They offer services like HERS testing and Title 24 energy compliance for new constructions and alterations. They strive to simplify the energy compliance process, offering expertise, reliability, and customer-centric service.

Gilleran Energy Management (GEM) is a California-based energy and sustainability consulting firm that enhances building performance, improves operational efficiency, and supports long-term environmental goals. Since 2002, GEM has been providing expertise in energy efficiency consulting and green building, offering solutions for businesses and homeowners. They work with architects, developers, builders, and public agencies to ensure projects meet code requirements and sustainability objectives. GEM's approach is grounded in technical knowledge and aligned with current regulations, offering innovative solutions for a more sustainable built environment. They focus on clarity, collaboration, and long-term value, supporting the design and development process with solutions that meet energy efficiency and sustainability goals.

Bay Efficiency specializes in helping commercial property owners in California comply with energy benchmarking and audit ordinances. They offer services such as energy benchmarking, ASHRAE-level energy audits, and retro-commissioning. Bay Efficiency aims to provide peace of mind to its clients by offering accurate and efficient compliance services, whether for a single building or a large portfolio. They serve various commercial properties, including shopping malls and warehouses.

Hassler Heating & Air Conditioning, LLC, established in 1999, provides residential heating and cooling services in the East Bay with a focus on improving home energy efficiency. They offer HVAC services, including installation, maintenance, and repair of heating and cooling systems, heat pumps, water heaters, and home performance upgrades. The company is committed to quality workmanship, reliable service, and customer satisfaction. They also focus on helping customers save money on energy bills through energy-efficient solutions and rebates.

Poppy Energy focuses on high quality HERS testing in Bay Area, CA and everywhere we service customers.

CalHERS Energy is a family-oriented business dedicated to providing top-notch air balancing services. They focus on HVAC diagnostic testing, particularly air balancing, for both homeowners and mechanical contractors. They aim to simplify the complexities of home energy ratings, offering clear explanations and expert support throughout the process. CalHERS Energy is committed to energy efficiency, striving to create comfortable and sustainable spaces for everyone. They offer certified testing and compliance services for residential and commercial projects, ensuring HVAC systems operate efficiently and meet California regulatory requirements.

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ELEM3NTS is a consulting company committed to improving home performance and containing energy costs through state-of-the-art technologies and innovative techniques. They conduct thorough home energy audits and tests to identify areas of energy loss and opportunities for improvements. ELEM3NTS collaborates with homeowners to create plans for heightened efficiency, providing guidance through various rebate programs to unlock incentives and save money. They aim to contribute to a sustainable, carbon-free California by 2045. ELEM3NTS offers a range of solutions, understanding that not every home is the same and not every household has the same energy goals. They empower clients with the best information available, making it possible for them to make highly-informed decisions regarding their home. Their reports give clients a greater understanding of their home's energy efficiency and the knowledge they'll need when dealing with contractors. As an independent consulting company, ELEM3NTS doesn't sell any equipment, ensuring their only goal is to provide great service and valuable peace of mind. A home energy assessment is recommended only every 20 years, making it a worthwhile investment for long-term savings.

Gill's Electric is a family-owned and operated electrical contractor serving the San Francisco Bay Area since 1952. With three generations of experience, they offer reliable electrical solutions for residential, commercial, and industrial clients. Gill's Electric is known for providing quality work and handling projects of all sizes, from emergency repairs to complete electrical upgrades. They are licensed, certified, and trained in the latest electrical technologies, including LED lighting retrofits, energy audits, and EV charger installations.

CalRATERS Energy Solutions, established in 2015, is a family-owned and operated company serving the entire Bay Area. They specialize in helping homeowners and contractors navigate energy compliance and improve home performance. CalRATERS offers home energy audits and testing, assisting clients with issues like high energy bills, inefficient HVAC systems, poor insulation, and leaky ductwork. They also help homeowners make informed decisions about energy upgrades and navigate rebate programs, handling paperwork and testing to streamline the process. CalRATERS takes a whole-home approach, providing in-depth energy usage analysis and working with state programs to maximize savings.

Johnson's Insulation, headed by Miquan Johnson, provides insulation solutions in the San Francisco Bay Area, specializing in attics, crawl spaces, and walls. They pride themselves on delivering technically sound services to residential and commercial clients in Alameda, Contra Costa, Marin, Napa, San Francisco, and San Mateo counties. The company focuses on enhancing comfort and energy efficiency through comprehensive insulation installation, replacement, and repair services. Johnson's Insulation also supports the community by offering discounts to military veterans, public service workers, and senior citizens.

CPG Consultants LLC provides green building, green certification, permitting, energy efficiency, and building management services to commercial and multifamily building operators, residential owners, and new development projects. They specialize in identifying and recommending solutions that lower a client's energy and operating costs to increase profits, achieve sustainability and development goals, and improve occupant comfort. CPG Consultants serves the San Francisco, San Jose, San Diego, and Los Angeles regions. They offer services for new construction, existing residential (single and multifamily), existing commercial buildings, tenant improvement projects, and master plan development projects. CPG is a certified LBE and MBE firm.

California Youth Energy Services (CYES) is a program run by Rising Sun Energy Center, a non-profit organization. CYES trains and employs local youth, typically aged 15-22, to provide free energy and water conservation services to residents in the Bay Area and Central Valley. These services include performing energy and water efficiency assessments, installing energy-efficient lighting and water-saving devices, and offering tips on conservation. CYES focuses on serving hard-to-reach residents, including renters, low-to-moderate income households, seniors, and non-English speaking households. The program aims to help communities reach their Climate Action Plan targets and address California's drought.

Bay Efficiency, founded in San Francisco in 2011, specializes in helping commercial property owners, managers, and tenants with energy benchmarking and identifying energy savings opportunities. They pride themselves on offering peace of mind for their clients, handling everything from shopping malls to warehouses, whether it's a single building or an entire portfolio. Bay Efficiency uses its own software to catalogue and report on a property's energy use, providing a thorough analysis of existing fixtures, their hourly-demand charge, and potential savings using energy-efficient products. They also offer retro-commissioning services to identify low-cost improvement opportunities.