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Home energy auditors in Lexington

Avatar for Absolute Construction Group
Absolute Construction Group
257 Willard Street
5.00(
8
)
Approved Pro
Absolute Construction Group
257 Willard Street
5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1478 local quotes requested

Our specialties include residential exterior siding, roofing installation and repair, window and door installation, exterior deck builds, patios, and masonry. We also do additions and and interior remodeling. The owners, Jared Spicer and Greg Bailey, along with the entire team, thank you for considering Absolute Construction Group LLC for your home improvement needs. We are a locally owned and operated company and have been serving Boston and the surrounding area for many years. As a local business, we value each of our customers and pride ourselves on providing the best customer experience from start to finish.

"Great company! Had a great project experience with Absolute. Mike was very responsive and made himself available every step of the way. We’re very happy we chose to work with him."

Dan P on June 2023

Our specialties include residential exterior siding, roofing installation and repair, window and door installation, exterior deck builds, patios, and masonry. We also do additions and and interior remodeling. The owners, Jared Spicer and Greg Bailey, along with the entire team, thank you for considering Absolute Construction Group LLC for your home improvement needs. We are a locally owned and operated company and have been serving Boston and the surrounding area for many years. As a local business, we value each of our customers and pride ourselves on providing the best customer experience from start to finish.

"Great company! Had a great project experience with Absolute. Mike was very responsive and made himself available every step of the way. We’re very happy we chose to work with him."

Dan P on June 2023


Avatar for Vallerand Builders, Inc.
Vallerand Builders, Inc.
309 Concord Road
4.41(
41
)
Approved Pro
Vallerand Builders, Inc.
309 Concord Road
4.41(
41
)
Approved Pro
Customers say: Quality work
1333 local quotes requested
29 years of experience

Preferred method of contact is to call me! Vallerand Builders, Inc. has been in business for over 25 years. We do everything from small handyman jobs, kitchen/bathroom remodels, additions and new construction. We always offer free estimates. We accept all major credit cards and on larger jobs offer a payment plan. Thank you!

"Frank was excellent! He got the job done in an hour and went up into the attic to connect things. Was very happy with Frank"

Lori W on July 2023

Preferred method of contact is to call me! Vallerand Builders, Inc. has been in business for over 25 years. We do everything from small handyman jobs, kitchen/bathroom remodels, additions and new construction. We always offer free estimates. We accept all major credit cards and on larger jobs offer a payment plan. Thank you!

"Frank was excellent! He got the job done in an hour and went up into the attic to connect things. Was very happy with Frank"

Lori W on July 2023


Avatar for Adam Vaillancourt Roofing & Construction LLC
Adam Vaillancourt Roofing & Construction LLC
45 Emerson Rd
4.71(
70
)
Approved Pro
Adam Vaillancourt Roofing & Construction LLC
45 Emerson Rd
4.71(
70
)
Approved Pro
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
1101 local quotes requested

Adam Vaillancourt Roofing and Construction is a family owned and operated roofing company. We are the NH Roofing Contractor that customers can believe in and trust. We provide the highest quality of craftsmanship in the most efficient and timely manner. We specialize in residential roofing, commercial roofing, and replacement windows. With over 20 years’ experience and thousands of satisfied customers we are the NH roofing company and MA roofing company that residents and businesses turn to. When looking for a roofing contractor for Replacement roofing or roofing repairs, look no further than Adam Vaillancourt Roofing. We are ready for your business.

"Everything from the phone call to set up the appointment to the expected wait time for the job to be addressed to the completed project was handled in a professional yet friendly manner. The estimate was explained well and appropriate expectation was set as to the time involved to complete the project and when the job could be scheduled."

Lynda V on December 2024

Adam Vaillancourt Roofing and Construction is a family owned and operated roofing company. We are the NH Roofing Contractor that customers can believe in and trust. We provide the highest quality of craftsmanship in the most efficient and timely manner. We specialize in residential roofing, commercial roofing, and replacement windows. With over 20 years’ experience and thousands of satisfied customers we are the NH roofing company and MA roofing company that residents and businesses turn to. When looking for a roofing contractor for Replacement roofing or roofing repairs, look no further than Adam Vaillancourt Roofing. We are ready for your business.

"Everything from the phone call to set up the appointment to the expected wait time for the job to be addressed to the completed project was handled in a professional yet friendly manner. The estimate was explained well and appropriate expectation was set as to the time involved to complete the project and when the job could be scheduled."

Lynda V on December 2024


Avatar for Diamond Construction Inc
Diamond Construction Inc
116 Cochituate Rd
4.55(
89
)
Approved Pro
Diamond Construction Inc
116 Cochituate Rd
4.55(
89
)
Approved Pro
Customers say: Quality work
1979 local quotes requested
20 years of experience

Diamond Construction, Inc. has built a reputation on quality with honesty and integrity. We employ only the highest trained, professional roofers for our team. We partner with the highest quality shingle manufacturers, and we hand-nail all roofs to ensure quality installation as well. At the end of every project, our supervisor will do an inspection with the homeowner to ensure their satisfaction. At Diamond Construction our mission is to ensure peace of mind for each customer through exceptional service. We work hard to exceed our customers' expectations. Our quality and experience combined with our strong work ethic are only some of the reasons why we maintain an A+ rating on the BBB and Home Advisor - Pro. We are certified by GAF and CertainTeed. 100% Customer Satisfaction Guaranteed. Licensed, Insured, and Accredited Roofers. Convenient Evening & Weekend Appointments. Financing available. Affordable Roofing & Remodeling Quality. New England Premier Roofing Contractor. Additional Email at: office@diamondconstructionma.com

"Good job. Quick and professional"

Scott C on July 2024

Diamond Construction, Inc. has built a reputation on quality with honesty and integrity. We employ only the highest trained, professional roofers for our team. We partner with the highest quality shingle manufacturers, and we hand-nail all roofs to ensure quality installation as well. At the end of every project, our supervisor will do an inspection with the homeowner to ensure their satisfaction. At Diamond Construction our mission is to ensure peace of mind for each customer through exceptional service. We work hard to exceed our customers' expectations. Our quality and experience combined with our strong work ethic are only some of the reasons why we maintain an A+ rating on the BBB and Home Advisor - Pro. We are certified by GAF and CertainTeed. 100% Customer Satisfaction Guaranteed. Licensed, Insured, and Accredited Roofers. Convenient Evening & Weekend Appointments. Financing available. Affordable Roofing & Remodeling Quality. New England Premier Roofing Contractor. Additional Email at: office@diamondconstructionma.com

"Good job. Quick and professional"

Scott C on July 2024


Avatar for Watertight Pro. Roofing & Skylights
Watertight Pro. Roofing & Skylights
124 Kendall Street
5.00(
2
)
Approved Pro
Watertight Pro. Roofing & Skylights
124 Kendall Street
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1055 local quotes requested

Trusted for over two decades, Watertight Pro Roofing and Skylights specializes in commercial and residential roofing as well as skylight installation in the Framingham, Massachusetts area. With their focus on exceptional craftsmanship, customer satisfaction, and competitive pricing, they've built a solid reputation for providing superior roofing services. Contact Watertight Pro Roofing and Skylights for your next project, whether it's a small repair or a comprehensive installation, and experience the difference with a team dedicated to making your roofing project a success.

"This is a new review for Watertight Pro. This is my third time using this company. Again all I have are superlatives. I know I can count on Manny and his team to deliver great workmanship. I needed to have almost all of my inside walls, ceilings and trim painted. Also needed to have my house and rock wall power washed. And then while the job was happening, I had other issues I asked Manny to address if possible and he delivered on every problem I had. First off, most of the inside painting was done by George who is a magician. He is so proficeent and meticulous, the results were better than I could have hoped. He even painted our metal heating grates. Can't say enough about the great job he did. Manny and his team also did a super job power washing our Hardee board, which over the years had a lot of moss accumulating. He also power washed our rock wall and that came out great as well. The rock wall needed some masonry work and Mannys team also handled that,. came out fantastic. I had a porch door that wouldn't open. Manny took the trim off (on the outside), releveled the door and it now opens closes as it should. We had another door that would stick, i mentioned it and next thing it was fixed by George. Our deck needed to be painted as well and they sanded/scraped and put 2 new coats on and it looks great. They also fixed some trim on the deck that had come loose. Finally, our shed had algae all over its roof and they power washed that as well. I could go on and on. My front stoop needed some masonry work and Manny handled that himself and did a great job. What I love about Watertight Pro is once they start a job, they stay with it til completed. They were here 9 days in a row, including 2 weekends. The work I had done would have normally required multiple companies to complete. Quality work at a fair price. They have an A plus plus rating from me. If needed I will use them again for sure."

Jim H on May 2025

Trusted for over two decades, Watertight Pro Roofing and Skylights specializes in commercial and residential roofing as well as skylight installation in the Framingham, Massachusetts area. With their focus on exceptional craftsmanship, customer satisfaction, and competitive pricing, they've built a solid reputation for providing superior roofing services. Contact Watertight Pro Roofing and Skylights for your next project, whether it's a small repair or a comprehensive installation, and experience the difference with a team dedicated to making your roofing project a success.

"This is a new review for Watertight Pro. This is my third time using this company. Again all I have are superlatives. I know I can count on Manny and his team to deliver great workmanship. I needed to have almost all of my inside walls, ceilings and trim painted. Also needed to have my house and rock wall power washed. And then while the job was happening, I had other issues I asked Manny to address if possible and he delivered on every problem I had. First off, most of the inside painting was done by George who is a magician. He is so proficeent and meticulous, the results were better than I could have hoped. He even painted our metal heating grates. Can't say enough about the great job he did. Manny and his team also did a super job power washing our Hardee board, which over the years had a lot of moss accumulating. He also power washed our rock wall and that came out great as well. The rock wall needed some masonry work and Mannys team also handled that,. came out fantastic. I had a porch door that wouldn't open. Manny took the trim off (on the outside), releveled the door and it now opens closes as it should. We had another door that would stick, i mentioned it and next thing it was fixed by George. Our deck needed to be painted as well and they sanded/scraped and put 2 new coats on and it looks great. They also fixed some trim on the deck that had come loose. Finally, our shed had algae all over its roof and they power washed that as well. I could go on and on. My front stoop needed some masonry work and Manny handled that himself and did a great job. What I love about Watertight Pro is once they start a job, they stay with it til completed. They were here 9 days in a row, including 2 weekends. The work I had done would have normally required multiple companies to complete. Quality work at a fair price. They have an A plus plus rating from me. If needed I will use them again for sure."

Jim H on May 2025


Avatar for Mighty Dog Roofing of Greater Middlesex
Mighty Dog Roofing of Greater Middlesex
66 Tadmuck Rd
5.00(
6
)
Approved Pro
Mighty Dog Roofing of Greater Middlesex
66 Tadmuck Rd
5.00(
6
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
397 local quotes requested

Our Mission at Mighty Dog Roofing is to be an industry changer, leading the industry with integrity, finding innovative ways to exceed the expectations of our clients and the communities we serve, and providing a customized experience each and every time we care for their home. At Mighty Dog Roofing, we pledge superior service to our customers through excellent communication and customer service. How do we accomplish that? Courteous customer education, community service, and the highest level of integrity and ethics. Mighty Dog Roofing is endorsed by the nation's top manufacturers and distributors, offering our customers the best and most innovative products and services in the industry.

"Reliable, Professional, and Efficient! We couldn’t be happier with the snow and ice dam removal service from Mighty Dog! They responded to my last minute request quickly, arrived right on time, and handled everything with great care. The team was professional, friendly, and made sure to remove the ice safely without damaging the roof. It’s clear the crew knew what they’re doing, and their attention to detail gave us peace of mind eliminating snow and ice dams. I highly recommend them to anyone needing snow or ice dam removal—fantastic service from start to finish!"

Tiffany S on February 2025

Our Mission at Mighty Dog Roofing is to be an industry changer, leading the industry with integrity, finding innovative ways to exceed the expectations of our clients and the communities we serve, and providing a customized experience each and every time we care for their home. At Mighty Dog Roofing, we pledge superior service to our customers through excellent communication and customer service. How do we accomplish that? Courteous customer education, community service, and the highest level of integrity and ethics. Mighty Dog Roofing is endorsed by the nation's top manufacturers and distributors, offering our customers the best and most innovative products and services in the industry.

"Reliable, Professional, and Efficient! We couldn’t be happier with the snow and ice dam removal service from Mighty Dog! They responded to my last minute request quickly, arrived right on time, and handled everything with great care. The team was professional, friendly, and made sure to remove the ice safely without damaging the roof. It’s clear the crew knew what they’re doing, and their attention to detail gave us peace of mind eliminating snow and ice dams. I highly recommend them to anyone needing snow or ice dam removal—fantastic service from start to finish!"

Tiffany S on February 2025


Avatar for Endless Energy
Endless Energy
261 Cedar Hill Street Suite 100
4.87(
15
)
Approved Pro
Endless Energy
261 Cedar Hill Street Suite 100
4.87(
15
)
Approved Pro
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
3057 local quotes requested

Endless Energy is the #1 trusted local HVAC and Plumbing Company servicing the majority of the state of Massachusetts. Specializing in Furnaces, Boilers, and Heat Pumps we have Master Plumbers, Electricians, and HVAC Technicians all under one roof reducing your need to find multiple contractors! We are also a Mass Save partner and can conduct your no cost Mass Save Home Energy Assessment and install any recommended insulation. We can help you with: *Heating Repairs, Installation, & Service *AC Repairs, Installation, & Service *Plumbing Repairs, Installation & Service *Water Heater Replacement & Service *Indoor Air Quality Solutions *Ductwork & Line Set Solutions *Electrical Panel Upgrades and Replacement *Insulation *No Cost Home Energy Assessments A Mass Save certified contractor with an A+BBB rating. All of our skilled technicians undergo an extensive background and drug screening prior to being hired to our team!

"Seamless. From the moment of making the appointment with the sales rep to come out to the follow-up phone call, I could not have asked for this installation to go better at a difficult time. They listened to my concerns regarding the look on the outside of the house and the location of units inside. They assisted with all aspects of the Mass Save program making the application process easy. They took care of actual submission of the paperwork where most companies wanted to provide the info to me to then submit."

Jonathan S on July 2020

Endless Energy is the #1 trusted local HVAC and Plumbing Company servicing the majority of the state of Massachusetts. Specializing in Furnaces, Boilers, and Heat Pumps we have Master Plumbers, Electricians, and HVAC Technicians all under one roof reducing your need to find multiple contractors! We are also a Mass Save partner and can conduct your no cost Mass Save Home Energy Assessment and install any recommended insulation. We can help you with: *Heating Repairs, Installation, & Service *AC Repairs, Installation, & Service *Plumbing Repairs, Installation & Service *Water Heater Replacement & Service *Indoor Air Quality Solutions *Ductwork & Line Set Solutions *Electrical Panel Upgrades and Replacement *Insulation *No Cost Home Energy Assessments A Mass Save certified contractor with an A+BBB rating. All of our skilled technicians undergo an extensive background and drug screening prior to being hired to our team!

"Seamless. From the moment of making the appointment with the sales rep to come out to the follow-up phone call, I could not have asked for this installation to go better at a difficult time. They listened to my concerns regarding the look on the outside of the house and the location of units inside. They assisted with all aspects of the Mass Save program making the application process easy. They took care of actual submission of the paperwork where most companies wanted to provide the info to me to then submit."

Jonathan S on July 2020


Avatar for GF Sprague & Company, Inc.
GF Sprague & Company, Inc.
45 Kearney Road
3.98(
374
)
Approved Pro
GF Sprague & Company, Inc.
45 Kearney Road
3.98(
374
)
Approved Pro
Customers say: Super punctual
1486 local quotes requested
56 years of experience

Did you know that it's unwise to spend too much but it's worse to spend too little? How do you choose the right contractor? First, they should listen to what you want to have done, then they should take a look at what needs to be done. Our certified expert will provide a full inspection of the problem areas. We will take digital photos of these areas, and provide a complete color coded plan so that you can see what we saw. IN EXCHANGE FOR OUR TIME AND EFFORTS, ALL THAT WE ASK IN RETURN IS THAT ANYONE WHO WOULD HAVE INPUT BE PRESENT TO DISCUSS YOUR OPTIONS. We believe that this approach provides everyone with the best way to make a good informed decision. If you agree, please call us now. You'll be glad you did! Since 1969, GF Sprague has worked with discerning homeowners who buy the right job at the right price.

"Very impressed with Sprague, Mark was very knowledgeable and straightforward. Crew was first class closing roofing and Clean Up in four days and cold weather. Justin was terrific, personable and responsive, and was always on site or available. Crew and especially Foreman were excellent. I would recommend GF Sprague for a high quality Job, their technology and customer service."

Stephen R on January 2023

Did you know that it's unwise to spend too much but it's worse to spend too little? How do you choose the right contractor? First, they should listen to what you want to have done, then they should take a look at what needs to be done. Our certified expert will provide a full inspection of the problem areas. We will take digital photos of these areas, and provide a complete color coded plan so that you can see what we saw. IN EXCHANGE FOR OUR TIME AND EFFORTS, ALL THAT WE ASK IN RETURN IS THAT ANYONE WHO WOULD HAVE INPUT BE PRESENT TO DISCUSS YOUR OPTIONS. We believe that this approach provides everyone with the best way to make a good informed decision. If you agree, please call us now. You'll be glad you did! Since 1969, GF Sprague has worked with discerning homeowners who buy the right job at the right price.

"Very impressed with Sprague, Mark was very knowledgeable and straightforward. Crew was first class closing roofing and Clean Up in four days and cold weather. Justin was terrific, personable and responsive, and was always on site or available. Crew and especially Foreman were excellent. I would recommend GF Sprague for a high quality Job, their technology and customer service."

Stephen R on January 2023


Stella Roofing Services
25 EVERETT ST
5.00(
1
)
Approved Pro
Stella Roofing Services
25 EVERETT ST
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
155 local quotes requested

Stella Roofing Services is a trusted source for residential and commercial roofing and general construction services in New England. Our owners, Steven, Joe, and Erik, bring more than 60 years of experience and a legacy of three generations of roofers. We are certified installers for the leading roofing brands in both the residential and commercial market. GAF, Owens Corning, Velux, Sika Sarnafil, Genflex, Carlisle.

"Stella Roofing and Construction did an incredible job with our roof. They were efficient and got the job done quickly with no issues. They were very friendly and easy to work with. Steve was especially courteous and detailed in explaining the whole process, and communicated with me consistently, with updates and important information. I would highly recommend Stella and would eagerly work with them again on future house projects."

Sarah B on June 2021

Stella Roofing Services is a trusted source for residential and commercial roofing and general construction services in New England. Our owners, Steven, Joe, and Erik, bring more than 60 years of experience and a legacy of three generations of roofers. We are certified installers for the leading roofing brands in both the residential and commercial market. GAF, Owens Corning, Velux, Sika Sarnafil, Genflex, Carlisle.

"Stella Roofing and Construction did an incredible job with our roof. They were efficient and got the job done quickly with no issues. They were very friendly and easy to work with. Steve was especially courteous and detailed in explaining the whole process, and communicated with me consistently, with updates and important information. I would highly recommend Stella and would eagerly work with them again on future house projects."

Sarah B on June 2021


Avatar for Klaus Larsen LLC
Klaus Larsen LLC
Framingham, MA 01701
New on HomeAdvisorNew on Angi
Approved Pro
Klaus Larsen LLC
Framingham, MA 01701
New on AngiNew on HomeAdvisor
Approved Pro
440 local quotes requested
27 years of experience

When you choose Klaus Larsen LLC, you select a company of professionals who take great pride in our craftsmanship, and treat you, your time, and your property with the utmost respect. We make sure that before we leave your home, you are completely satisfied with our work and our cleanup, and we consider you a customer for as long as our warranty lasts. And that’s a lifetime! Klaus Larsen LLC serves Connecticut and Rhode Island with roofing services such as roof replacement, roof repair, gutters, attic insulation, and more. Put a Klaus on Your House! Call us for a free, no-obligation estimate today! About Klaus Larsen: Klaus Larsen bought his first apartment building in Denmark at the age of 21, renovating every single one of the 13 apartments in it in less than three years. At the age of 32, he immigrated to the US with his tools and $300 in his pocket to live the American Dream. Little did he know those metric tools would do him little good in a country that only used inches and feet. By 1998 he was able to start his own home improvement business, becoming a roofing-only company in 2010. Klaus is well known for his historic work, using his ingenious creativity to update antique homes so their roofs perform properly while maintaining their architectural integrity. His attention to detail and Old World craftsmanship have earned him a reputation for helping to maintain New England’s rich history while integrating state-of-the-art roofing technology into it’s homes.

When you choose Klaus Larsen LLC, you select a company of professionals who take great pride in our craftsmanship, and treat you, your time, and your property with the utmost respect. We make sure that before we leave your home, you are completely satisfied with our work and our cleanup, and we consider you a customer for as long as our warranty lasts. And that’s a lifetime! Klaus Larsen LLC serves Connecticut and Rhode Island with roofing services such as roof replacement, roof repair, gutters, attic insulation, and more. Put a Klaus on Your House! Call us for a free, no-obligation estimate today! About Klaus Larsen: Klaus Larsen bought his first apartment building in Denmark at the age of 21, renovating every single one of the 13 apartments in it in less than three years. At the age of 32, he immigrated to the US with his tools and $300 in his pocket to live the American Dream. Little did he know those metric tools would do him little good in a country that only used inches and feet. By 1998 he was able to start his own home improvement business, becoming a roofing-only company in 2010. Klaus is well known for his historic work, using his ingenious creativity to update antique homes so their roofs perform properly while maintaining their architectural integrity. His attention to detail and Old World craftsmanship have earned him a reputation for helping to maintain New England’s rich history while integrating state-of-the-art roofing technology into it’s homes.

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Home energy audit services FAQs

To prepare for a home energy audit, begin by preparing your space. Clear any obstructions around the attic, basement, ducts, crawl space, appliances, windows, and doors. Gather all your energy bills from the last year and information on home upgrades if you’ve made any changes. If you’ve previously had an audit done, include that information as well.

Finally, be prepared to discuss any questions or concerns you have. If you’ve noticed a rise in your energy bills, hot or cold areas in your home, or unusual sounds from ducts or appliances, make a list to discuss with your auditor.

How often you should get an energy audit depends on the age and condition of your home. New homes with no issues are recommended to get an audit every five years, while older homes should audit every two to three years. If you’ve noticed any changes to your energy bills or other areas of concern, you should get an audit as soon as possible. It’s also a good idea to conduct an audit if you’ve made changes or upgrades to your home, such as installing a new furnace, windows, or doors.

An energy audit takes three to four hours to complete. Your auditor sets up testing equipment, conducts an exhaustive walk‑through inspection, and performs all required evaluations to identify energy loss points. The audit follows a systematic review that includes visual assessments, mechanical tests, and detailed documentation, resulting in a precise report of improvement recommendations.

You can schedule a home energy audit any time of the year—it all depends on what's convenient for you. That said, timing it right can help you tackle issues before they impact your comfort and bills. If you live in a colder climate and want to avoid high heating costs in the winter, getting an audit in the summer allows you to make improvements before the temperature drops. On the contrary, if hot summers are your concern, a spring audit can help you stay cool and save on air conditioning.

To find a qualified home energy auditor, start by searching for local energy auditors with great reviews and recognized certifications like those from the Building Performance Institute (BPI). These credentials ensure they're qualified and can help you qualify for rebates. Don't hesitate to ask about their audit methods and schedule a consultation to see if they're a good fit for your needs. Doing some research upfront helps you get top-notch service and maximize your energy efficiency.

Once you have your energy audit report, it's time to take action. Review the recommendations and prioritize the upgrades that make the most sense for your home and budget. Reach out to experienced pros to get quotes and discuss how they can help. By making these improvements, you'll boost your home's energy efficiency, lower your utility bills, and enjoy a more comfortable living space.

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