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TRUSTED BY LANHAM, MD HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon27
    Verified energy efficiency auditing services reviews

Verified Reviews for Energy Efficiency Auditing pros in Lanham, MD

*The Angi rating for Energy Efficiency Auditing companies in Lanham, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

*The HomeAdvisor rating for Energy Efficiency Auditing companies in Lanham, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

Last update on January 23, 2026

Find Energy efficiency auditors in Lanham

Avatar for Home Energy Saving Solutions
Home Energy Saving Solutions
5.0(
92
)
Home Energy AuditEnergy Audit - For Business

Serving Lanham, MD and surrounding areas

Approved

In business since 2010

Warranties offered

Credit card accepted

"Absolutely wonderful experience from beginning to end. Mohammed is a true professional. He walked me through the entire energy audit process and answered emails and questions quickly. His team arrived on time, completed the work quickly, and left my house spotless."
Common air leaks
Thermal image picks up moisture
Common air leaks
Thermal image picks up moisture
Thermal image showing air leakage

+1

Response time2 days
Response rate100%
2 neighbors recently requested a quote
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Avatar for EDGE Energy
EDGE Energy
4.5(
50
)
Home Energy Audit

Serving Lanham, MD and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Edge Energy did an energy audit for us, then sealed the house, installed a new roof with excellent insulation, and an ERV fan to ensure fresh air. They were a delight to work with throughout, very friendly and professional. We needed some follow up work due to quirks in the house, not bad work by Edge, and they did it promptly and without charge. I couldn't recommend them more highly."
Infrared finds air leaks!
All PM's are certifed under BPI, NCI, RESNET, NAHB
Air-sealing and insulating attics is our SPECIALTY
Locally Owned Business
Weatherization Truck

+5

Recommended by92%of homeowners
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Avatar for Atlas Home Energy Solutions
Atlas Home Energy Solutions
4.7(
14
)
Energy Audit - For BusinessHome Energy Audit

Serving Lanham, MD and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

"Atlas Home Energy performed an energy audit in my home, and based on the findings corrected all issues over a four day course. Their workmanship is flawless and their employees are pleasant and courteous. The bulk of their charge was reimbursed by BGE and my energy cost has declined. I recommend them highly"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+16

Response time3 days
13 neighbors recently requested a quote
Recommended by91%of homeowners
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Avatar for BlueStar Air Mechanical Inc.
BlueStar Air Mechanical Inc.
4.9(
32
)
Energy Audit - For BusinessHome Energy Audit

Serving Lanham, MD and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Excelent service and product. Congratulations¡¡¡¡¡"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+13

Response time6 hrs
2 neighbors recently requested a quote
Recommended by79%of homeowners
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Avatar for Lumeco Energy
Lumeco Energy
5.0(
5
)
Home Energy Audit

Serving Lanham, MD and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"I highly recommend Lumeco Energy. They did my home energy audit and gave me some good recommendations. We chose to air seal our attic and add more insulation. They were able to get me some rebates from BGE so the pricing was discounted."
Attic Encapsulation 1
Attic Encapsulation 2
Attic Encapsulation 3
Attic Before 1
Attic Pre-Weatherization

+5

Response time2 days
Response rate96%
2 neighbors recently requested a quote
Request Quote
Avatar for Complete Home Solutions, LLC
Complete Home Solutions, LLC
3.9(
84
)
Home Energy Audit

Serving Lanham, MD and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

"They communicated well, showed up on time, weâ re very polite and thorough."
Stone Front of Addition
Kitchen
.
After
Screened Porch and Deck

+93

Response time1 day
10 neighbors recently requested a quote
Recommended by74%of homeowners
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Elysian Energy, LLC
New to Angi
Home Energy Audit

Serving Lanham, MD and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

Elysian Energy, LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 50 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!\n\n

Response time1 day
Request Quote
Advanced Green Home Solutions
New to Angi
Home Energy Audit

Serving Lanham, MD and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

Advanced Green Home Solutions is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Advanced Green Home Solutions is a leader in providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

Response time2 days
Request Quote
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Energy Efficiency Auditing questions, answered by experts

Typically, a local home energy auditor is responsible for performing energy audits. A home energy auditor will conduct one of three energy audits designed by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) to determine the energy efficiency of your home. The auditor often provides analysis that can help guide changes and improvements to your home for better energy efficiency, giving recommendations as necessary.

Costs depend on the property size, audit complexity, and whether additional testing (e.g., blower door) is included.

Common warning signs of an overloaded electrical panel or meter box include frequent circuit breaker tripping, flickering or dimming lights, scorch or burn marks, and a burning scent coming from the panel. A circuit breaker trips as a protective measure to prevent overheating and potential fires. If you observe any of these signs, turn off the affected circuit breaker and move some devices to a different circuit. If the problem persists after turning the breaker back on, you should contact a professional electrician to resolve the issue.

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

If you have central air conditioning, it’s fine to run your AC all day if that’s what you want—as long as the AC unit is in good condition. But if your AC runs constantly when you don’t want it to, there may be a problem with your system (like the ones we’ve mentioned above). Window AC units and wall air conditioners aren’t as powerful as central AC, so you should only run those kinds of air conditioners for eight to 12 hours at a time.

The Lanham, MD homeowners’ guide to energy efficiency auditing services

From average costs to expert advice, get all the answers you need to get your job done.

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