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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon25
    Verified energy efficiency auditing services reviews

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"Less than 5 years ago, I spent in excess of $10,000 to have a new unit installed with a 10 year warranty. I should have seen the red flags from the very beginning. The sales representative told us additional vents would be installed and when the installation crew showed up, that did not happen. Fast forward to the present and I am now on my 4th phone call for an appointment this season, 3 days so far of not being able to work as I waited for a technician to come diagnose the problem. The 3rd. tech came last night and indicated that the work the other tech did was not for the root of the problem. (I was told in front of witnesses that the work needed to be done, was not covered under warranty, would cost me $367 and would fix my issues)In fact, the 3rd tech only made the issue worse by leaving our attic return unscrewed and overfilling our unit with Freon that the 4th tech had to remove from our system. Upon leaving last night I was told that everything was corrected. Today - my home is slowly creeping up in temperature (presently 80 degrees inside, while set to 72). The company keeps trying to sell me a "maintenance plan" and I keep reiterating to EVERY one who pushes it that we have been getting tune ups/cleanings elsewhere and will only use them for warranty issues since we have had NOTHING but problems with them."

Jacqueline G on July 2024

When you need AC 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.

"Less than 5 years ago, I spent in excess of $10,000 to have a new unit installed with a 10 year warranty. I should have seen the red flags from the very beginning. The sales representative told us additional vents would be installed and when the installation crew showed up, that did not happen. Fast forward to the present and I am now on my 4th phone call for an appointment this season, 3 days so far of not being able to work as I waited for a technician to come diagnose the problem. The 3rd. tech came last night and indicated that the work the other tech did was not for the root of the problem. (I was told in front of witnesses that the work needed to be done, was not covered under warranty, would cost me $367 and would fix my issues)In fact, the 3rd tech only made the issue worse by leaving our attic return unscrewed and overfilling our unit with Freon that the 4th tech had to remove from our system. Upon leaving last night I was told that everything was corrected. Today - my home is slowly creeping up in temperature (presently 80 degrees inside, while set to 72). The company keeps trying to sell me a "maintenance plan" and I keep reiterating to EVERY one who pushes it that we have been getting tune ups/cleanings elsewhere and will only use them for warranty issues since we have had NOTHING but problems with them."

Jacqueline G on July 2024


"These guys are complete rip-offs!!! I got two other estimates for the replacement of a service cable. They were $500.00 and $700.00. Gen3's price... $4100.00 It took an inordinate amount of phone calls, texts, and emails to get an appointment for an estimate. Then they did not bother to send it to me. I had to call back for the estimate. These guys are the worst, most dishonest operators I have ever seen. They are 8 times more expensive than every one else. THINK ABOUT IT..... 800% more than the competition. Do not call these guys. OBVIOUSLY A DUMB GUY that thinks the public is STUPID. Don't trust them!!!!!! CROOKS"

Steve S on November 2025

GEN3 is Your Friendly Neighborhood Home Expert, serving Philadelphia and the surrounding areas for 25 years. Give us a call for all of your electrical, heating & cooling and water heater needs!

"These guys are complete rip-offs!!! I got two other estimates for the replacement of a service cable. They were $500.00 and $700.00. Gen3's price... $4100.00 It took an inordinate amount of phone calls, texts, and emails to get an appointment for an estimate. Then they did not bother to send it to me. I had to call back for the estimate. These guys are the worst, most dishonest operators I have ever seen. They are 8 times more expensive than every one else. THINK ABOUT IT..... 800% more than the competition. Do not call these guys. OBVIOUSLY A DUMB GUY that thinks the public is STUPID. Don't trust them!!!!!! CROOKS"

Steve S on November 2025


DWRS enterprises llc

No reviews yet

DWRS enterprises llc

No reviews yet
Emergency services offered

We specialize in Hvac installations,Maintenance and troubleshooting problems licensed and insured, fast and efficient with over a decade and a half of years experience on all types of Hvac Equipment

We specialize in Hvac installations,Maintenance and troubleshooting problems licensed and insured, fast and efficient with over a decade and a half of years experience on all types of Hvac Equipment


Avatar for RSS Solar

RSS Solar

No reviews yet

RSS Solar

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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


Nabree Hvac

5.00(
1
)

Nabree Hvac

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Servicing residential and Commercial heating and cooling units. Install forced air systems, And boiler systems. Duct installers and Duct cleaning. Hvac equipment inspections. Such as troubleshooting.

"Navarre was the second person that came out to service the heater and he found the problem and was very professional. I would recommend him to come out if you need a Hvac."

Sheila W on February 2022

Servicing residential and Commercial heating and cooling units. Install forced air systems, And boiler systems. Duct installers and Duct cleaning. Hvac equipment inspections. Such as troubleshooting.

"Navarre was the second person that came out to service the heater and he found the problem and was very professional. I would recommend him to come out if you need a Hvac."

Sheila W on February 2022


Avatar for Desmond Heating and Cooling Solutions

Desmond Heating and Cooling Solutions

4.40(
10
)

Desmond Heating and Cooling Solutions

4.40(
10
)
Customers say: Quality work
6 years of experience

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

"Desmond and his team are amazing! "

Marilyn S on July 2025

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

"Desmond and his team are amazing! "

Marilyn S on July 2025


Fortune Heating and cooling

5.00(
5
)

Fortune Heating and cooling

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

Im a sole Hvac technician just starting to branch out on my own to provide comfort and a piece of mind at affordable pricing.

"Devon was knowledge and I was very pleased with his service. I intend to hire him again."

Ray T on March 2022

Im a sole Hvac technician just starting to branch out on my own to provide comfort and a piece of mind at affordable pricing.

"Devon was knowledge and I was very pleased with his service. I intend to hire him again."

Ray T on March 2022


Avatar for Core Value of Lancaster

Core Value of Lancaster

5.00(
8
)

Core Value of Lancaster

5.00(
8
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Core Value Duct Cleaning & Restoration is a veteran-owned business based Lancaster, Pennsylvania servicing a 50+ mile radius. Our mission is to offer the most technologically advanced services on the market for energy efficiency and indoor air quality to include; Aeroseal, Duct Armor, NADCA certified Air Duct Cleaning and more! Green-conscious company, committed to contributing to our community and operating on three Core Values. - Integrity, in the way we work - Service, the why we work - Excellence, to our quality of work

"Great Juan an Henry did a terrific job"

Bruce G on June 2021

Core Value Duct Cleaning & Restoration is a veteran-owned business based Lancaster, Pennsylvania servicing a 50+ mile radius. Our mission is to offer the most technologically advanced services on the market for energy efficiency and indoor air quality to include; Aeroseal, Duct Armor, NADCA certified Air Duct Cleaning and more! Green-conscious company, committed to contributing to our community and operating on three Core Values. - Integrity, in the way we work - Service, the why we work - Excellence, to our quality of work

"Great Juan an Henry did a terrific job"

Bruce G on June 2021


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.

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Energy Efficiency Auditing questions, answered by experts

Yes, installing an attic fan can help lower your electric bill—particularly if you live in a hot and humid region. By replacing hot and stuffy air with cooler air, these fans help regulate the temperature in your attic and the rest of your home, taking some of the pressure off of your air conditioner.

Smart glass doesn’t use a lot of electricity, and you can expect a standard window to add between $1 and $2 per year to your electric bills. Smart glass is proof that energy-efficient windows work. Although your smart windows may consume a little energy to operate, they can save enough energy to offset the costs. If you’re concerned about the minimal bump to your electricity consumption, you can opt for smart tint, which doesn’t require electricity to work.

If you want a new boiler that’s going to help lower your fuel bills, you should buy one that has a high energy-efficiency rating. For example, a boiler that is rated “A” uses at least 90% of the energy created by the boiler. And in order to enjoy the best performance, it’s important to have it installed properly by a highly-rated tech.

Window AC units use a fair amount of electricity during use, but the usage pales in comparison to central units. As a matter of fact, window units use around a third of the amount of energy as a central AC. On average, a window air conditioner costs between $15 and $40 per month to run, though this depends on a number of external factors.

Generator size requirements vary wildly among properties, but typical generator sizes are listed below based on home square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14kW

  • 2,500 sq ft: 12–16kW

  • 3,000 sq ft: 16–20kW+

Unfortunately, home square footage isn’t always a good indicator of generator size requirements. Instead, you should call in a professional to discuss which items in your home you’d like to run via your generator. They can calculate peak and average consumption for those items and then size your generator appropriately for optimal performance.

The East Lansdowne, PA homeowners’ guide to energy efficiency auditing services

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