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  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon11
    Verified energy efficiency auditing services reviews

Find Energy efficiency auditors in Annapolis Junction

"Very well. They were very professional and efficient."

Barbara B on January 2023

When you need A/C, heating, or plumbing services, look no further than Horizon Services. For nearly 30 years, we’ve been the trusted name in plumbing, heating, and air conditioning, offering an unmatched level of service at reasonable rates.

"Very well. They were very professional and efficient."

Barbara B on January 2023


Avatar for Home Energy Saving Solutions

Home Energy Saving Solutions

4.97(
88
)
Approved Pro

Home Energy Saving Solutions

4.97(
88
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 years of experience

As a Maryland certified Home Performance with Energy Star contractor, we focus on making homes efficient and comfortable. Our energy audits and energy efficiency improvements usually qualify for generous state incentives and rebates through Pepco, BGE, and Potomac Edison. Mo is the owner/operator at Home Energy Saving Solutions. He has a deep depth of knowledge and experience gained from well over 1000 energy audits. Participation in numerous industry groups and conferences further enhance the expertise brought to each home energy audit. We will inspect your entire home as a system and evaluate energy loss and comfort issues using advanced diagnostic equipment. At the conclusion of the audit you will be presented with a comprehensive report detailing all findings and solutions, along with a payback period for repair and retrofit options.

"Mohammed handled our project—sealing and insulating our attic. He was very knowledgeable about the best way to accomplish the task in an older home such as ours; and he also ensured that our project qualified for relevant energy rebates. He was professional and courteous in answering all our questions and completed the project in one day. We highly recommend HESS and Mohammed El-Goul."

Janet B on August 2024

As a Maryland certified Home Performance with Energy Star contractor, we focus on making homes efficient and comfortable. Our energy audits and energy efficiency improvements usually qualify for generous state incentives and rebates through Pepco, BGE, and Potomac Edison. Mo is the owner/operator at Home Energy Saving Solutions. He has a deep depth of knowledge and experience gained from well over 1000 energy audits. Participation in numerous industry groups and conferences further enhance the expertise brought to each home energy audit. We will inspect your entire home as a system and evaluate energy loss and comfort issues using advanced diagnostic equipment. At the conclusion of the audit you will be presented with a comprehensive report detailing all findings and solutions, along with a payback period for repair and retrofit options.

"Mohammed handled our project—sealing and insulating our attic. He was very knowledgeable about the best way to accomplish the task in an older home such as ours; and he also ensured that our project qualified for relevant energy rebates. He was professional and courteous in answering all our questions and completed the project in one day. We highly recommend HESS and Mohammed El-Goul."

Janet B on August 2024


Avatar for Lumeco Energy

Lumeco Energy

5.00(
5
)
Approved Pro

Lumeco Energy

5.00(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

Lumeco Energy is a locally owned and operated energy efficiency company that values honesty and integrity and treats your home as if it were our own. We offer BGE and Pepco rebates for all of our services and guarantee excellent customer service. Bottom line, we take care of our customers and offer utility rebates for all of our services. Our customers pay less for more!

"I insulated my attic, and upgraded my HVAC system through BGEâ s home performance program. Lumeco was my contractor and they did a fantastic job and pricing was discounted. Great company!"

James O on April 2024

Lumeco Energy is a locally owned and operated energy efficiency company that values honesty and integrity and treats your home as if it were our own. We offer BGE and Pepco rebates for all of our services and guarantee excellent customer service. Bottom line, we take care of our customers and offer utility rebates for all of our services. Our customers pay less for more!

"I insulated my attic, and upgraded my HVAC system through BGEâ s home performance program. Lumeco was my contractor and they did a fantastic job and pricing was discounted. Great company!"

James O on April 2024


Advanced Green Home Solutions

New on AngiNew on Angi
Approved Pro

Advanced Green Home Solutions

New on AngiNew on Angi
Approved Pro
4 years of experience
Free onsite estimate

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!

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!


Elysian Energy, LLC

New on AngiNew on Angi
Approved Pro

Elysian Energy, LLC

New on AngiNew on Angi
Approved Pro
18 years of experience
Free onsite estimate

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!

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!


Avatar for Atlas Home Energy Solutions

Atlas Home Energy Solutions

4.69(
24
)
Approved Pro

Atlas Home Energy Solutions

4.69(
24
)
Approved Pro
Customers say: True professional
15 local quotes requested
16 years of experience

At Atlas Home Energy Solutions, we specialize in helping homeowners save money and enjoy a more comfortable living environment. Based in Maryland, we offer expert energy audits, insulation upgrades, duct sealing, and other energy efficiency services tailored to your home's unique needs. Our team works closely with you to identify energy waste, improve home performance, and lower your energy bills—all while ensuring every room in your house stays cozy year-round. Whether it's sealing drafty spaces, upgrading insulation, or enhancing airflow, we’re here to help you save money without sacrificing comfort. Discover how Atlas Home Energy Solutions can make your home more efficient, your energy bills more manageable, and your indoor spaces more enjoyable. Contact us today for expert service and long-lasting results! Services Include: Professional home energy audits Attic and crawl space insulation Aeroseal® duct sealing Energy efficiency upgrades Your Comfort is Our Priority!

"They did a great Job"

Kenneth G on June 2025

At Atlas Home Energy Solutions, we specialize in helping homeowners save money and enjoy a more comfortable living environment. Based in Maryland, we offer expert energy audits, insulation upgrades, duct sealing, and other energy efficiency services tailored to your home's unique needs. Our team works closely with you to identify energy waste, improve home performance, and lower your energy bills—all while ensuring every room in your house stays cozy year-round. Whether it's sealing drafty spaces, upgrading insulation, or enhancing airflow, we’re here to help you save money without sacrificing comfort. Discover how Atlas Home Energy Solutions can make your home more efficient, your energy bills more manageable, and your indoor spaces more enjoyable. Contact us today for expert service and long-lasting results! Services Include: Professional home energy audits Attic and crawl space insulation Aeroseal® duct sealing Energy efficiency upgrades Your Comfort is Our Priority!

"They did a great Job"

Kenneth G on June 2025


Avatar for Elite Thermal East

Elite Thermal East

4.58(
89
)
Approved Pro

Elite Thermal East

4.58(
89
)
Approved Pro
Customers say: True professional
114 local quotes requested
4 years of experience

We are one stop shop for all of your insulation needs. The President and Founder of Elite Thermal is a 2nd generation insulation specialist with over 20 years of experience hailing from a bloodline with over 45+ years of experience/ownership in the insulation business. We are a tight knit family business building a new insulation business in Maryland. We promise to bring integrity, honesty and full transparency from initial consultation to final job walk thru. Our motive is to offer ELITE service and a quality install while always being attentive to our customers interests and needs :)

"Company was efficient, professional and got the job done. I was pleased with the work and workers."

Reginald A on October 2025

We are one stop shop for all of your insulation needs. The President and Founder of Elite Thermal is a 2nd generation insulation specialist with over 20 years of experience hailing from a bloodline with over 45+ years of experience/ownership in the insulation business. We are a tight knit family business building a new insulation business in Maryland. We promise to bring integrity, honesty and full transparency from initial consultation to final job walk thru. Our motive is to offer ELITE service and a quality install while always being attentive to our customers interests and needs :)

"Company was efficient, professional and got the job done. I was pleased with the work and workers."

Reginald A on October 2025


TPG Home Inspections, LLC

No reviews yet

TPG Home Inspections, LLC

No reviews yet
5 years of experience

Complete Home Inspection and Consulting Services INSPECTION SERVICES: Home Buyer Seller Pre-Listing Baltimore Rental Townhouse/Condo/Duplex Pre-Drywall Repair Verification Green Building ANCILLARY SERVICES: Home Energy Score Thermal Imaging Home Energy Report Indoor Air Quality Radon Testing This is a veteran owned business bringing 30+ years of building and engineering experience to serve you!

Complete Home Inspection and Consulting Services INSPECTION SERVICES: Home Buyer Seller Pre-Listing Baltimore Rental Townhouse/Condo/Duplex Pre-Drywall Repair Verification Green Building ANCILLARY SERVICES: Home Energy Score Thermal Imaging Home Energy Report Indoor Air Quality Radon Testing This is a veteran owned business bringing 30+ years of building and engineering experience to serve you!


Avatar for Affordable Thorough Infrared

Affordable Thorough Infrared

No reviews yet

Affordable Thorough Infrared

No reviews yet
5 years of experience

Maryland state licensed, certified and insured Home and Building Inspector, Ati Inspections dba Affordable Thorough Infrared Residential and Commercial Building Inspections,Over 30 years of construction related experience, we use Infrared technology in all our inspections, we provide Ancillary services, Moisture Intrusion, Energy Audit, Air Quality, Well water, Mold, Wood Destroying Organisms ( Termite etc), Thermography, Thermal Imaging, pre-sale, Member and certified by interNACHI .

Maryland state licensed, certified and insured Home and Building Inspector, Ati Inspections dba Affordable Thorough Infrared Residential and Commercial Building Inspections,Over 30 years of construction related experience, we use Infrared technology in all our inspections, we provide Ancillary services, Moisture Intrusion, Energy Audit, Air Quality, Well water, Mold, Wood Destroying Organisms ( Termite etc), Thermography, Thermal Imaging, pre-sale, Member and certified by interNACHI .


K&K Industrials

4.86(
7
)

K&K Industrials

4.86(
7
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!

"It went great! Prompt professional service!"

ANN W on August 2025

We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!

"It went great! Prompt professional service!"

ANN W on August 2025

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Energy Efficiency Auditing questions, answered by experts

Dehumidifiers typically use 300 to 700 watts of electricity per hour, whereas portable dehumidifiers use about 40 watts per hour. The exact amount of electricity your dehumidifier will generate depends on its capacity and energy efficiency. Generally, higher-capacity dehumidifiers generate more electricity than lower-capacity units, but they also usually have better energy efficiency over the long run.

Fans reduce peak cooling loads, lower air conditioning energy expenses by expediting heat exit, and enhance natural airflow throughout the home.

As you look for the right soundproofing drywall for you, you’ll likely come across the Sound Transmission Class (STC) rating. This rating measures a building material’s ability to absorb sound. The higher the number, the better the material absorbs rather than reflects sound, reducing noise transmission. The STC rating for drywall doesn’t mean it’s for the panel itself—it refers to the STC rating for the entire wall system, including the soundproofing drywall.

A good SEER rating is between 15 and 20. However, if you want the best possible efficiency, look for HVAC units with a SEER rating higher than 21. Keep in mind that the SEER rating doesn’t mean that the unit will reach that efficiency all the time, but it does have the capacity to operate at that high of an efficiency level.

Yes, Tesla Powerwalls are worth the upfront costs, as you can recoup your investment within six to eight years. Plus, they provide peace of mind that you'll have power during a power outage, and, depending on the system you install, you can become energy-independent. While they may be more expensive than other solar power systems, they offer higher battery capacity and lifespan.

The Annapolis Junction, MD homeowners’ guide to energy efficiency auditing services

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