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Climate Defense Systems

5.00(
3
)
Approved Pro

Climate Defense Systems

5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
14 years of experience

We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

"THEY are very BUSY!!!!"

F S on November 2021

We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

"THEY are very BUSY!!!!"

F S on November 2021


Milligan Hill Technical Services, LLC

No reviews yet

Milligan Hill Technical Services, LLC

No reviews yet
Emergency services offered

Residential energy efficiency and indoor air quality consulting. I can perform an energy audit of your home to determine where energy is being wasted and prioritize a list of retrofits to reduce energy use, improve indoor air quality and increase comfort.

Residential energy efficiency and indoor air quality consulting. I can perform an energy audit of your home to determine where energy is being wasted and prioritize a list of retrofits to reduce energy use, improve indoor air quality and increase comfort.


ICON Inspection & Drone Services

No reviews yet

ICON Inspection & Drone Services

No reviews yet

Icon Inspection & Drone Services gives Home Buyers, Real Estate Agents and Investors peace of mind with their Home Inspection when buying a home. Utilizing state-of-the-art technology (like Infrared Thermal Imaging and Drone Ariel Photography), 17 years of inspection experience, and advanced certifications, ICON will effectively identify deficiencies to help buyers better understand the condition of the property and provide an easy-to-read report that enables clients to make informed decisions about their investment.

Icon Inspection & Drone Services gives Home Buyers, Real Estate Agents and Investors peace of mind with their Home Inspection when buying a home. Utilizing state-of-the-art technology (like Infrared Thermal Imaging and Drone Ariel Photography), 17 years of inspection experience, and advanced certifications, ICON will effectively identify deficiencies to help buyers better understand the condition of the property and provide an easy-to-read report that enables clients to make informed decisions about their investment.


easy simple solar

No reviews yet

easy simple solar

No reviews yet
5 years of experience

WHAT'S IN IT FOR ME? Cut your bill between 30%-60% at no additional cost by locking in your utility rates from several years ago. Homeowners MUST QUALIFY for this limited program. SUMMARY Simple Solar Advisors. The lowest price for the best quality home services. Reason? We provide volume nationwide to our vetted local installers. We're virtual. Your steps are easy. HOME SERVICES Solar, Roof, HVAC, Windows, Remodeling, etc.

WHAT'S IN IT FOR ME? Cut your bill between 30%-60% at no additional cost by locking in your utility rates from several years ago. Homeowners MUST QUALIFY for this limited program. SUMMARY Simple Solar Advisors. The lowest price for the best quality home services. Reason? We provide volume nationwide to our vetted local installers. We're virtual. Your steps are easy. HOME SERVICES Solar, Roof, HVAC, Windows, Remodeling, etc.



Sunshine Renewable Solutions

4.33(
6
)

Sunshine Renewable Solutions

4.33(
6
)
Customers say: Terrific value
8 years of experience

Sunshine Renewable Solutions is a turnkey solar energy installer, meaning that we are here for you even after we install your solar panels. Our solar panel installation crew are certified technicians who are specially trained to take care of any maintenance your solar panels may need.

"I’ve never worked with a contractor that made me feel so comfortable. I felt valued and communicated with all along the way. In the end, I got a system that I’m very happy with at a competitive price and I couldn’t be happier with my decision to go with Sunshine. Highly recommended!"

Caitlin C on June 2023

Sunshine Renewable Solutions is a turnkey solar energy installer, meaning that we are here for you even after we install your solar panels. Our solar panel installation crew are certified technicians who are specially trained to take care of any maintenance your solar panels may need.

"I’ve never worked with a contractor that made me feel so comfortable. I felt valued and communicated with all along the way. In the end, I got a system that I’m very happy with at a competitive price and I couldn’t be happier with my decision to go with Sunshine. Highly recommended!"

Caitlin C on June 2023


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.


Avatar for NRG Clean Power

NRG Clean Power

4.58(
43
)

NRG Clean Power

4.58(
43
)
Customers say: Terrific value
25 years of experience

NRG Clean Power is California’s leading clean power provider. We leverage over 30 years of superior customer service installing solar from the south of San Diego to the northern border with Oregon. In other words, regardless of where you are in California, we can help you make the switch to solar! Not only do we offer top-tier solar services, we are also a total home performance company, devoted to sustainability and energy efficiency. We offer fully customized home and business solar installations with battery backup capabilities. We do not service solar systems that we did not install. We believe the future is clean, renewable energy and with your help we are committed to creating it together. Customer satisfaction is a crucial aspect and the cornerstone of our business. As a result, we have earned the prestigious Diamond Certification 4 years in a row, along with the 2019 Angie’s List Super Service Award. NRG Clean Power offers the finest solar products at the best rates with finance options for everyone. We will be with you every step of the way and for years to come. Check out our promos to take advantage of our best deals. And ask about our Referral Program that allows customers like you to earn cash bonuses for referring friends and family!

"No doubt they hire great installation people, but their communication and honoring their quotes has little to be desired. I will elaborate. I was given a quote, left on my voicemail. I responded the next day letting NRG know I accepted their quote. 1 week later I received a phone call telling me they wouldn't honor the quote give, and they cited the reasons as Tarif's. This was back in April 2025. I still went with NRG, albeit at a$1000.00 increase. The second reason I wouldn't recommend this company, and this for me is the final straw, after installing my solar NRG didn't let me know I needed to have an ESR release, in layman's terms this is necessary for your power company to accept your new solar system. I found out this information when they contacted me in August 2025. NEG blamed the company who upgraded my Electrical Panel. NRG INSTALLED MY SOLAR AFTER THE PANEL WAS UPGRADED. Since this company doesn't communicate with its clients I would say go with another company."

Daniel S on August 2025

NRG Clean Power is California’s leading clean power provider. We leverage over 30 years of superior customer service installing solar from the south of San Diego to the northern border with Oregon. In other words, regardless of where you are in California, we can help you make the switch to solar! Not only do we offer top-tier solar services, we are also a total home performance company, devoted to sustainability and energy efficiency. We offer fully customized home and business solar installations with battery backup capabilities. We do not service solar systems that we did not install. We believe the future is clean, renewable energy and with your help we are committed to creating it together. Customer satisfaction is a crucial aspect and the cornerstone of our business. As a result, we have earned the prestigious Diamond Certification 4 years in a row, along with the 2019 Angie’s List Super Service Award. NRG Clean Power offers the finest solar products at the best rates with finance options for everyone. We will be with you every step of the way and for years to come. Check out our promos to take advantage of our best deals. And ask about our Referral Program that allows customers like you to earn cash bonuses for referring friends and family!

"No doubt they hire great installation people, but their communication and honoring their quotes has little to be desired. I will elaborate. I was given a quote, left on my voicemail. I responded the next day letting NRG know I accepted their quote. 1 week later I received a phone call telling me they wouldn't honor the quote give, and they cited the reasons as Tarif's. This was back in April 2025. I still went with NRG, albeit at a$1000.00 increase. The second reason I wouldn't recommend this company, and this for me is the final straw, after installing my solar NRG didn't let me know I needed to have an ESR release, in layman's terms this is necessary for your power company to accept your new solar system. I found out this information when they contacted me in August 2025. NEG blamed the company who upgraded my Electrical Panel. NRG INSTALLED MY SOLAR AFTER THE PANEL WAS UPGRADED. Since this company doesn't communicate with its clients I would say go with another company."

Daniel S on August 2025


Avatar for Higher Standard Air Services, LLC

Higher Standard Air Services, LLC

5.00(
6
)

Higher Standard Air Services, LLC

5.00(
6
)
Customers say: Quick response
11 years of experience

If you're looking into getting a new air conditioning system installed or retrofitted in your Katy home or business, you need an EPA and HVAC certified service that will not only get your system up and running promptly, but will have the skill and expertise to optimize it according to the specific layout of your Katy interior, in order to ensure that it runs properly and at peak efficiency.

"Two units removed and replaced in one day. "

Ivan P on October 2025

If you're looking into getting a new air conditioning system installed or retrofitted in your Katy home or business, you need an EPA and HVAC certified service that will not only get your system up and running promptly, but will have the skill and expertise to optimize it according to the specific layout of your Katy interior, in order to ensure that it runs properly and at peak efficiency.

"Two units removed and replaced in one day. "

Ivan P on October 2025


Solar Wolf Energy

2.00(
2
)

Solar Wolf Energy

2.00(
2
)
10 years of experience

Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!

Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!

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Energy Efficiency Auditing questions, answered by experts

A couple of the best ways to find a reputable energy auditor is by determining whether they are HEP-certified by the Building Performance Institute (BPI). This certification will help you narrow down your list of professionals to the most qualified pros with the most relevant experience. 

You can also choose from the Department of Energy’s certified list of energy auditors or Angi’s contractor licensing tool to find pros in your area.

Leaving lights on raises the electric bill, but not as much as having high-wattage light bulbs. The best way to save on electric costs is to swap your light bulbs to LED or CFL bulbs that use far fewer watts. You can also use smart lights and light switches to control usage via a smartphone or voice-controlled device.

A home energy audit costs about $420 on average, ranging from about $100 to $2,250 or more. Cost factors include the size of your home, the type of testing, and the thoroughness of the audit. A Level 1 walk-through inspection will cost between $150 and $200 for the auditor to point out inefficiencies in your home. On the other hand, a more thorough Level 3 audit with testing and a detailed report will cost about $900.

Replacing a window frame will improve your home’s energy efficiency if the old frame is cracked or damaged in a way that allows unconditioned air from the outside into your living space or if you upgrade to a more energy-efficient window frame material. Aluminum is the least energy-efficient window frame material, followed by vinyl and wood. Fiberglass and composite frames are the most energy-efficient.

Expert installation optimizes insulation properties, cutting energy costs and enhancing home comfort year-round.

The Chappell Hill, TX homeowners’ guide to energy efficiency auditing services

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