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Best Auditors in Denver, CO

14 auditors · 0 services · Updated Jun 2026

Top Auditors in Denver

E3 Power, located in Denver, Colorado, is an energy audit company that focuses on helping businesses and families find energy-efficient solutions. They offer both residential and commercial energy audits, striving to improve energy efficiency, occupant comfort, and indoor air quality. E3 Power uses state-of-the-art tools to identify areas of energy waste and provides recommendations for cost-effective improvements. As an Xcel Energy-approved contractor, they aim to provide affordable, long-term solutions for comfort, safety, and energy efficiency, and are committed to not selling unnecessary products or services.

NetZero Insulation is a full-service insulation company committed to safety, honesty, and quality. Founded in 2021 by Douglas Stracaluzi, NetZero Insulation Technologies delivers high-quality insulation and air sealing and mold remediation with a focus on integrity, precision, and rebate transparency. Based in Rhode Island, the company is fully licensed and partners with Rhode Island Energy's EnergyWise program to help homeowners access rebates. NetZero's goal is to make energy upgrades simple, honest, and accessible. NetZero Insulation offers a range of services including attic insulation, air sealing, crawl space encapsulation, mold remediation, and insulation removal. They use eco-friendly materials whenever possible, selecting options that are safe for people, pets, and the planet. They install blown-in insulation using a clean, efficient process. They help homeowners access rebates and incentives. NetZero Insulation focuses on lasting protection that keeps homes dry and clean, insulation effective, and families safe. They handle everything from rebate coordination to final installation, including mold remediation when needed.

Groundwork Denver is a nonprofit organization that partners with youth and community members to build a healthy, equitable, and sustainable environment. They engage residents in the planning process and work with them to implement neighborhood-based projects that improve the urban environment. Groundwork Denver focuses on environmental education and job training through various youth programs, providing young people with practical skills and paid opportunities to work on community projects and become leaders in environmental stewardship. The organization supports the development of leaders from the neighborhoods where they work through their Youth Green Leadership program. They build bridges between residents, businesses, and government to achieve the common goal of positive environmental change. Groundwork Denver's work improves community representation in decision-making while taking action to ensure equal access to a clean and healthy environment for everyone. Groundwork Denver offers residential energy upgrades and home energy audits. They also work to eliminate lead poisoning and promote climate change initiatives such as the Porch Bulb Project and Strive to Not Drive. The organization partners with communities across metro Denver to improve the physical environment and promote health and well-being. They achieve environmental and climate justice by involving everyone in some way or another. Groundwork Denver recognizes the critical role offered by community leaders who are already deeply invested in their neighborhoods, equipping these leaders with more tools to advocate at the local and state levels to create a more inclusive decision-making process around green spaces and environmental change.

Summit Heating, A/C, Plumbing & Electrical is a leader in home energy audit services in Denver, CO.

Abraxas Energy Consulting is a commercial energy consulting firm founded in 2001 by John Avina, CEM, CMVP. With a Colorado office located at 1719 Emerson St, Denver, CO 80218 and headquarters in Atascadero, California, the company specializes in ASHRAE Level 1, 2, and 3 energy audits, retro-commissioning, and measurement and verification services for commercial, institutional, and federal government clients. The Denver office also serves Energy Star benchmarking needs for Denver and Boulder city energy disclosure ordinances. Every auditor and retro-commissioning agent holds at least 10 years of field experience and carries credentials as a Professional Engineer (PE) or Certified Energy Manager (CEM). The team also includes Certified Commissioning Authorities (CxA) and Certified Measurement and Verification Professionals (CMVP), giving clients confidence in both the audit findings and the verification of realized savings. Abraxas serves a broad range of commercial clients — retail, office buildings, hospitals, public housing, universities, and federal agencies — and has completed projects covering over 40 million square feet with more than $11 million in identified savings. As an ENERGY STAR partner, the firm has completed over 200 ENERGY STAR audits leading to certifications in more than 25 states. The company is a NAESCO preferred partner and participates in GSA Schedule contracting for federal energy savings services. All projects go through an independent Quality Control Review by an outside firm before final delivery.

HomeTalk and Suntalk Solar is a full-service electrical contractor specializing in solar installation for residential and commercial properties in Denver and Colorado Springs. They offer programs designed to lower electricity bills with potential monthly savings from day one. SunTalk handles the entire solar panel installation process, including design, permitting, and working with financing companies to find affordable options for customers. They also assist homeowners in taking advantage of financial incentives, such as tax credits and rebates.

K&D Development is a Denver-based remodeling and real estate development contractor specializing in both residential and commercial projects. With years of experience, they have gained a reputation for delivering high-quality craftsmanship and exceptional results. They offer a wide range of services, including interior and exterior renovations, additions, kitchen and bathroom remodels, and full-scale property developments. K&D Development prides itself on a client-first approach, emphasizing customer satisfaction and open communication throughout the entire process. They are committed to seeing projects through to completion, on time and within budget.

Bestway Insulation LLC, based in Lafayette, Colorado, has been providing residential insulation services since 1976. They focus on improving home energy efficiency by offering services such as air sealing, attic insulation, and wall insulation. Bestway Insulation aims to achieve a 50% reduction in energy consumption for homes through their insulation services. They offer free on-site quotes and comprehensive energy assessments to identify the most effective solutions for homeowners. With nearly 50 years of experience, Bestway Insulation uses a systems-based approach to address comfort issues and high energy bills in Colorado homes.

REenergizeCO has helped Colorado homeowners take control of their energy use through detailed, data-driven home energy audits for over a decade.

Green Insight is a green building and sustainability consulting company that simplifies and guides clients through the green building process. They remove the hassle of understanding local green building programs and code compliance. Serving New Mexico, Colorado, Arizona, West Texas, and the entire Mountain West, they assist project teams from the design phase through construction, ensuring cost-effective and environmentally friendly buildings. They offer services such as HERS ratings, energy code compliance, LEED for Homes, and ENERGY STAR certification.

Insulation Pros of Colorado is a leading insulation contractor serving residential and commercial properties throughout Colorado. They specialize in installing high-quality blown-in Owens Corning products, as well as offering various insulation types including batt, fiberglass, and spray foam. With experienced technicians and local knowledge, they aim to provide cost-effective comfort and energy savings. They offer personalized consultations to help customers choose the best insulation solutions for their specific needs.

NetZero Insulation is a locally owned and operated home insulation company serving Littleton, Denver, and surrounding areas. With over 26 years of experience, they focus on safety, honesty, and quality in every job. NetZero Insulation specializes in home and office insulation services, aiming to maximize energy efficiency and create comfortable living spaces. They offer various services, including insulation installation, air sealing, and mold remediation. They work with homeowners to develop insulation and energy plans tailored to their needs. NetZero Insulation installs different types of insulation, including spray foam, blown-in cellulose, and fiberglass. They also handle air sealing to reduce energy loss and improve air quality. The company focuses on lasting protection to keep homes dry and clean, insulation effective, and families safe. NetZero Insulation is a partner with Xcel Energy and helps homeowners access rebates. They handle the rebate process, deducting the rebate amount from the payment. The company is accredited by the BBB with an A+ rating. NetZero Insulation emphasizes customer satisfaction, with many reviewers praising their professionalism, knowledge, and quality of work. Customers also appreciate their thoroughness, responsiveness, and ability to explain things clearly.

Bestway Energy Assessments, serving the Denver, Colorado, metro area since 2007, conducts in-depth home energy audits to pinpoint areas of heat loss and energy savings. Using infrared scanning and blower door tests, they provide an "X-ray vision" of your home to detect air leaks and insulation issues. Their audits cover mechanical systems, insulation, and air leakage, helping homeowners prioritize energy efficiency upgrades and address comfort issues. They also offer utility bill analysis to identify cost-saving opportunities.

Efficiency Revolution, located in Golden, Colorado, specializes in enhancing home comfort and energy efficiency through a variety of services. With over 22 years of experience, they offer solutions for homeowners, property managers, and builders, focusing on improving energy efficiency and performance. They aim to address issues such as uneven temperatures, drafts, and high energy bills by providing services like insulation installation, air sealing, and comprehensive energy assessments. Efficiency Revolution distinguishes itself by handling Xcel Energy rebate paperwork for clients, offering instant credits, and providing thorough inspections with detailed reports. They are known for clear communication, quick service, and effective mitigation work.

About Auditors in Denver

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We currently list 14 home energy auditors in Denver, CO.

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