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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon23
    Verified energy efficiency auditing services reviews

Find Energy efficiency auditors in Hopewell

Avatar for Horizon Services

Horizon Services

4.42(
76
)
Approved Pro

Horizon Services

4.42(
76
)
Approved Pro
Customers say: Super punctual
858 local quotes requested
38 years of experience

Horizon Services is the region’s largest and most well respected plumbing, heating and air conditioning company, with nearly 600 employees serving tens of thousands of homeowners throughout Delaware, Southeastern Pennsylvania, Southern New Jersey, and Northeastern Maryland. After a quarter of a century in business, Horizon Services remains fully committed to setting the industry standard for customer service, installation, and focusing on things that are important to busy homeowners: respect for their time, their home and their property; up-front pricing, and an unconditional 100% money back guarantee.

"Peter was exceptional at his job, very knowledgeable. Inform me each step of the way during the process, very professional."

Keisha W on August 2025

Horizon Services is the region’s largest and most well respected plumbing, heating and air conditioning company, with nearly 600 employees serving tens of thousands of homeowners throughout Delaware, Southeastern Pennsylvania, Southern New Jersey, and Northeastern Maryland. After a quarter of a century in business, Horizon Services remains fully committed to setting the industry standard for customer service, installation, and focusing on things that are important to busy homeowners: respect for their time, their home and their property; up-front pricing, and an unconditional 100% money back guarantee.

"Peter was exceptional at his job, very knowledgeable. Inform me each step of the way during the process, very professional."

Keisha W on August 2025


Avatar for Gold Medal Service

Gold Medal Service

4.44(
487
)
Approved Pro

Gold Medal Service

4.44(
487
)
Approved Pro
Customers say: Super punctual
180 local quotes requested
49 years of experience

Plumbing, HVAC, and electrical systems make your house livable. One minor issue with any of these systems can put your home at a standstill. In case you find yourself in this unfortunate situation, know that you can count on Gold Medal Service. For over 24 years, our company has been taking care of the homes of New Jersey residents through our top quality plumbing, HVAC, and electrical services. We are available 24 hours a day, 7 days a week to address even the most mind-boggling issues of your in-home equipment. From repairs, installations, and upgrades, our technicians are known for getting the job done right every time. We also provide upfront pricing with a full description of the service before commencing work to avoid any surprises down the line.

"If I could, I would give this horrible service provider a 0.0! I scheduled a plumbing appointment on a call, which was confirmed via multiple texts the day prior to the appt. Then had an employee go to the location during the 4 hour window they specified and wait for the plumber. On the day of the appt, 1 hour into the time window someone calls and says, sorry we’re not going to go because we only do residential plumbing. This was a surprise, as it was communicated to them that this was a business when I had set up the appt. So, I decided to speak with a manager. After spending over an hour of being bounced around from one dept to another, asking for a manager, they never connected me to one and their dispatcher had the audacity to say “sorry for your inconvenience, but you’ll just have to find someone else.” WOW! The hoops they make you jump through and the rudeness is not worth the hassle. I would definitely recommend you find a different plumbing pro for your project!"

Mark K on March 2024

Plumbing, HVAC, and electrical systems make your house livable. One minor issue with any of these systems can put your home at a standstill. In case you find yourself in this unfortunate situation, know that you can count on Gold Medal Service. For over 24 years, our company has been taking care of the homes of New Jersey residents through our top quality plumbing, HVAC, and electrical services. We are available 24 hours a day, 7 days a week to address even the most mind-boggling issues of your in-home equipment. From repairs, installations, and upgrades, our technicians are known for getting the job done right every time. We also provide upfront pricing with a full description of the service before commencing work to avoid any surprises down the line.

"If I could, I would give this horrible service provider a 0.0! I scheduled a plumbing appointment on a call, which was confirmed via multiple texts the day prior to the appt. Then had an employee go to the location during the 4 hour window they specified and wait for the plumber. On the day of the appt, 1 hour into the time window someone calls and says, sorry we’re not going to go because we only do residential plumbing. This was a surprise, as it was communicated to them that this was a business when I had set up the appt. So, I decided to speak with a manager. After spending over an hour of being bounced around from one dept to another, asking for a manager, they never connected me to one and their dispatcher had the audacity to say “sorry for your inconvenience, but you’ll just have to find someone else.” WOW! The hoops they make you jump through and the rudeness is not worth the hassle. I would definitely recommend you find a different plumbing pro for your project!"

Mark K on March 2024


Avatar for Ciel Power, LLC

Ciel Power, LLC

4.55(
11
)
Approved Pro

Ciel Power, LLC

4.55(
11
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 years of experience

Give your home the upgrades it needs. Get up to $5,000 in cash-back rebates and up to $15,000 in incentive financing to install today's energy-efficient products in your home. As a participating provider of the PSE&G, JCP&L, & NJNG Home Performance with ENERGY STAR Programs, Ciel customers enjoy cash-back and financing incentives for installing upgrades, including attic insulation, exterior wall insulation, heating, cooling, and hot water systems. There are no income requirements, and owners of single and multi-family homes are eligible. Ciel streamlines the customer experience with easy-to-understand reports, experienced consultants, and skilled rebate specialists to speed up your participation without losing track of the details. Schedule a home energy assessment with New Jersey's premier provider for just $99.

"Good communication, easy to work with."

Ramon H on September 2022

Give your home the upgrades it needs. Get up to $5,000 in cash-back rebates and up to $15,000 in incentive financing to install today's energy-efficient products in your home. As a participating provider of the PSE&G, JCP&L, & NJNG Home Performance with ENERGY STAR Programs, Ciel customers enjoy cash-back and financing incentives for installing upgrades, including attic insulation, exterior wall insulation, heating, cooling, and hot water systems. There are no income requirements, and owners of single and multi-family homes are eligible. Ciel streamlines the customer experience with easy-to-understand reports, experienced consultants, and skilled rebate specialists to speed up your participation without losing track of the details. Schedule a home energy assessment with New Jersey's premier provider for just $99.

"Good communication, easy to work with."

Ramon H on September 2022


Avatar for Climate Mechanics LLC

Climate Mechanics LLC

4.89(
47
)
Approved Pro

Climate Mechanics LLC

4.89(
47
)
Approved Pro
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
52 local quotes requested

Climate Mechanics, LLC, is not happy with a finished HVAC project, until you are happy! We look forward to bringing our quality of work and excellence to your home. We always respond quickly to your requests, always price reasonably, and the work performed is of the highest caliber. Find out more about us at www.climatemechanics.com

"Excellent, very good. They are professional and reliable."

Lorenzo H on January 2022

Climate Mechanics, LLC, is not happy with a finished HVAC project, until you are happy! We look forward to bringing our quality of work and excellence to your home. We always respond quickly to your requests, always price reasonably, and the work performed is of the highest caliber. Find out more about us at www.climatemechanics.com

"Excellent, very good. They are professional and reliable."

Lorenzo H on January 2022


Avatar for BoundLess INC

BoundLess INC

No reviews yet

BoundLess INC

No reviews yet
20 years of experience

Welcome! I'm Maggie K! I'm a Renewable Energy Manager AND Expert @ BoundLess Energy! I Love what I do- and I do what I Love! I am here to help HomeOwners put an END to paying Utilitiy Providers endless amounts of money and feeling as though they have no choice but to deal with the unstable and sudden Rate Increases, that at times, happen as frequently as month-to-month! *Unsure on how Solar Energy works? I'm here to help you better understand! Solar Energy will efficiently and effectively POWER your Home! In addition to utilizing the SUN for Energy, I will also guarantee Homeowners who have a "Solar Viable Home", to expect a MINIMUM of 30% in savings overall- and the POTENTIAL to have a Final Bill of over 90% in savings, month-to-month! The Long Term Savings Potential is HUGE! And the Short Term Savings? Definitely a PLUS! Most Importantly- I work with HomeOwners to help them better understand the importance and urgency in going Solar! The most rewarding aspect of my Career is giving my Clients a sense of predictably, reliability, and security, they would have, by choosing to go Solar with BoundLess INC! My Goal- "TO HELP CREATE A PLANET RUN BY THE SUN"! *THINGS 2 REMEMBER* ***CURRENTLY IN NEW JERSEY- HOMEOWNERS ARE ABLE TO GO SOLAR, ENTIRELY AT NO COST AT ALL! ***MEANING- FROM START TO FINISH- GOING SOLAR IN NJ, IS COMPLETELY &+ CURRENTLY FREE TO ALL HOMEOWNERS WITH A *SOLAR VIABLE HOME* *** HOMEOWNERS WILL PAY $0.00 TO BOUNDLESS INC, IN TRANSFORMING THEIR HOUSE INTO A HOME RUN BY THE SUN!!! **(*NO COST SOLAR PROGRAM- AS PER NJ STATE &+ GOVERNMENT LAW*)** *(SKEPTICAL ABOUT GOING SOLAR?)* CALL OR TEXT ME ANYTIME! (201)-885-8309 ***IM HERE TO HELP YOU IN CLEARING THINGS UP! I AM HERE TO HELP SHOW YOU, THAT THE TIME TO GO SOLAR WAS YESTERDAY- HOWEVER, I WILL HELP YOU UNDERSTAND &+ SEE THE IMPORTANCE- IN WHY CHOOSING SOLAR ENERGY TODAY, IS STILL A FINANCIALLY SMART DECISION FOR TOMORROW"!

Welcome! I'm Maggie K! I'm a Renewable Energy Manager AND Expert @ BoundLess Energy! I Love what I do- and I do what I Love! I am here to help HomeOwners put an END to paying Utilitiy Providers endless amounts of money and feeling as though they have no choice but to deal with the unstable and sudden Rate Increases, that at times, happen as frequently as month-to-month! *Unsure on how Solar Energy works? I'm here to help you better understand! Solar Energy will efficiently and effectively POWER your Home! In addition to utilizing the SUN for Energy, I will also guarantee Homeowners who have a "Solar Viable Home", to expect a MINIMUM of 30% in savings overall- and the POTENTIAL to have a Final Bill of over 90% in savings, month-to-month! The Long Term Savings Potential is HUGE! And the Short Term Savings? Definitely a PLUS! Most Importantly- I work with HomeOwners to help them better understand the importance and urgency in going Solar! The most rewarding aspect of my Career is giving my Clients a sense of predictably, reliability, and security, they would have, by choosing to go Solar with BoundLess INC! My Goal- "TO HELP CREATE A PLANET RUN BY THE SUN"! *THINGS 2 REMEMBER* ***CURRENTLY IN NEW JERSEY- HOMEOWNERS ARE ABLE TO GO SOLAR, ENTIRELY AT NO COST AT ALL! ***MEANING- FROM START TO FINISH- GOING SOLAR IN NJ, IS COMPLETELY &+ CURRENTLY FREE TO ALL HOMEOWNERS WITH A *SOLAR VIABLE HOME* *** HOMEOWNERS WILL PAY $0.00 TO BOUNDLESS INC, IN TRANSFORMING THEIR HOUSE INTO A HOME RUN BY THE SUN!!! **(*NO COST SOLAR PROGRAM- AS PER NJ STATE &+ GOVERNMENT LAW*)** *(SKEPTICAL ABOUT GOING SOLAR?)* CALL OR TEXT ME ANYTIME! (201)-885-8309 ***IM HERE TO HELP YOU IN CLEARING THINGS UP! I AM HERE TO HELP SHOW YOU, THAT THE TIME TO GO SOLAR WAS YESTERDAY- HOWEVER, I WILL HELP YOU UNDERSTAND &+ SEE THE IMPORTANCE- IN WHY CHOOSING SOLAR ENERGY TODAY, IS STILL A FINANCIALLY SMART DECISION FOR TOMORROW"!


Avatar for RSS Solar

RSS Solar

No reviews yet

RSS Solar

No reviews yet
Free onsite estimate

We make solar simple-- We are dedicated to making solar energy affordable and accessible to everyone-- with ZERO upfront costs.* Your home can become its own tiny power station and generate plenty of reliable energy, all while reducing your electricity bill. Plus, it doesn't hurt that your greener lifestyle will help your state achieve its renewable energy goals.

We make solar simple-- We are dedicated to making solar energy affordable and accessible to everyone-- with ZERO upfront costs.* Your home can become its own tiny power station and generate plenty of reliable energy, all while reducing your electricity bill. Plus, it doesn't hurt that your greener lifestyle will help your state achieve its renewable energy goals.


Avatar for Power Marketing Group, LLC

Power Marketing Group, LLC

5.00(
6
)

Power Marketing Group, LLC

5.00(
6
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Are you looking to save money on your energy bill? Power Marketing Group, LLC is your licensed energy broker and solar dealer in PA and NJ. In business since 2011, working with energy suppliers in deregulated markets to bring various energy products to residential and commercial customers. Our management team has a combined 50+ years of experience in the energy industry. We deliver products directly to consumers with a professional and personal touch, and we provide our customers choices with low rates, price protection, renewable power, solar incentives, rewards programs, and many other benefits of the alternative energy market. We have partnered with the best solar providers in the country to offer our customers new ways they can control their energy costs, take advantage of Federal and State incentives, along with helping improve the environment by utilizing the power of the Sun!

"It went great"

Nelson K on August 2022

Are you looking to save money on your energy bill? Power Marketing Group, LLC is your licensed energy broker and solar dealer in PA and NJ. In business since 2011, working with energy suppliers in deregulated markets to bring various energy products to residential and commercial customers. Our management team has a combined 50+ years of experience in the energy industry. We deliver products directly to consumers with a professional and personal touch, and we provide our customers choices with low rates, price protection, renewable power, solar incentives, rewards programs, and many other benefits of the alternative energy market. We have partnered with the best solar providers in the country to offer our customers new ways they can control their energy costs, take advantage of Federal and State incentives, along with helping improve the environment by utilizing the power of the Sun!

"It went great"

Nelson K on August 2022



National Energy Partners

No reviews yet

National Energy Partners

No reviews yet

National Energy Partners (NEP) is a solar energy development company dedicated to bringing clean, renewable energy to businesses and residential consumers alike. At the forefront of the solar energy landscape, our passion is in fostering relationships through integrity, knowledge and efficiency. NEP embraces the specific needs and challenges of each project, offering our valued clients the best experience through strategic management, trusted relationships and eco-friendly solar energy solutions. With over 10 years of experience in the solar industry, our portfolio includes over $100 million of projects with more in development.

National Energy Partners (NEP) is a solar energy development company dedicated to bringing clean, renewable energy to businesses and residential consumers alike. At the forefront of the solar energy landscape, our passion is in fostering relationships through integrity, knowledge and efficiency. NEP embraces the specific needs and challenges of each project, offering our valued clients the best experience through strategic management, trusted relationships and eco-friendly solar energy solutions. With over 10 years of experience in the solar industry, our portfolio includes over $100 million of projects with more in development.


Avatar for USA Alarm Service, Inc

USA Alarm Service, Inc

No reviews yet

USA Alarm Service, Inc

No reviews yet
29 years of experience

USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.

USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.

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Energy Efficiency Auditing questions, answered by experts

String lights require electricity, but not an excessive amount, especially when compared to other lighting fixtures. LED rope lights, for instance, consume around one watt per foot. Running six or seven light strings simultaneously should only cost you around $10 to $15 each month. You can save even more money by remembering to turn off your lights during daylight hours. 

Yes, most audits include a report with prioritized recommendations for improving energy efficiency. Confirm with your auditor.

R-value is calculated by dividing the thickness of an insulation material by its thermal conductivity. The material's composition and density influence thermal conductivity. Materials with lower conductivity values provide better insulation. The higher the R-value, the better the material is at insulating, helping homeowners select insulation that meets the energy needs of their climate and home layout.

STC (Sound Transmission Class) ratings tell you how well something blocks airborne noise. It’s a single number that sums up how much sound a material, like a window, can stop across regular speech frequencies. The higher the number, the better the sound reduction. A typical single-pane window hovers around STC 25 (where you can hear normal conversations), while well-sealed, double-pane options can push past STC 45 (which blocks out loud speech and most music). Just keep in mind that STC doesn’t cover everything—low rumbles like bass or thunder can sneak through—so pairing methods are always ideal for the most peace and quiet.

There are a few ways to reduce your electricity bills if you use window AC units to keep cool. Set the unit temperature at least 1 degree higher than it is currently to reduce costs. Keep the unit clean for it to run efficiently. You may want to hire a window AC specialist near you to inspect the unit once a year and keep it in tip-top shape.

The Hopewell, NJ homeowners’ guide to energy efficiency auditing services

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