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TRUSTED BY LAKE FOREST, CA HOMEOWNERS

Average homeowner rating star icon4.7
Average homeowner rating
Verified reviews icon67
Verified insulation services reviews

Insulation pros in Lake Forest

Avatar for Insulation Labs
Insulation Labs
7023 Valjean Ave
4.94(
118
)
Approved Pro
Insulation Labs
7023 Valjean Ave
4.94(
118
)
Approved Pro
Customers say: Super punctual
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
69 local quotes requested

Attic & Crawlspace & Solar Energy Specialists. The Insulation Labs team has unmatched customer service and attic/solar experience. Pooling years of knowledge and expertise together in order to provide you with the best service possible. Our team is friendly and helpful, explaining any jargon to you in a concise and understandable manner. It is important to work with a team that has a good reputation in your local community; Insulation Labs is known for its affordability, professionalism, and world-class customer service in the greater Los Angeles area. We have earned a reputation as one of the top attic cleaning and insulation replacement services in greater Los Angeles, continually furthering our stellar reputation and customer satisfaction. We provide our customers with home solutions that are tailored to them, allowing them to improve their attics, crawl spaces, and their home's energy efficiency in no time!

"I hire Attic Insulation Labs to replace 6 air ducts, remove old insulation, rodent proof, air leak seal and sanitize my attic. They were so professional about everything they did that I already recommended them to two of my colleagues and they have already completed working on their attics as well. Their came in with a crew if 5 men, got to my house right on time, brought their professional attic cleaning equipment and were all nice and polite. Pastor, the foreman, gave me a brief of what they are about to do and vanished into my attic. A few hours later he showed me the clean attic, if was as clean as one would expect an old attic to be, and it didn't smell at all as bad as it did before the cleaning. A few more hours later and the attic was covered with a beautiful blanket of insulation batts. I can't be happier with their service, they really did a great job all around and deserve the good feedback."

Mike A on April 2019

Attic & Crawlspace & Solar Energy Specialists. The Insulation Labs team has unmatched customer service and attic/solar experience. Pooling years of knowledge and expertise together in order to provide you with the best service possible. Our team is friendly and helpful, explaining any jargon to you in a concise and understandable manner. It is important to work with a team that has a good reputation in your local community; Insulation Labs is known for its affordability, professionalism, and world-class customer service in the greater Los Angeles area. We have earned a reputation as one of the top attic cleaning and insulation replacement services in greater Los Angeles, continually furthering our stellar reputation and customer satisfaction. We provide our customers with home solutions that are tailored to them, allowing them to improve their attics, crawl spaces, and their home's energy efficiency in no time!

"I hire Attic Insulation Labs to replace 6 air ducts, remove old insulation, rodent proof, air leak seal and sanitize my attic. They were so professional about everything they did that I already recommended them to two of my colleagues and they have already completed working on their attics as well. Their came in with a crew if 5 men, got to my house right on time, brought their professional attic cleaning equipment and were all nice and polite. Pastor, the foreman, gave me a brief of what they are about to do and vanished into my attic. A few hours later he showed me the clean attic, if was as clean as one would expect an old attic to be, and it didn't smell at all as bad as it did before the cleaning. A few more hours later and the attic was covered with a beautiful blanket of insulation batts. I can't be happier with their service, they really did a great job all around and deserve the good feedback."

Mike A on April 2019


Avatar for Everguard Home Insulation Inc.
Everguard Home Insulation Inc.
23450 Collins Street
4.84(
186
)
Approved Pro
Everguard Home Insulation Inc.
23450 Collins Street
4.84(
186
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
51 local quotes requested

Everguard Insulation has been a family business since 1959. Today, over 65 years and three generations later, we're proud of our contribution to the community, economy and environment. We help people save money on their utility bills while also enjoying a more comfortable home in both summer and winter. We also take pride in helping the environment and doing our part towards energy conservation and making the planet a greener place for generations to come. Additional phone numbers 818.348.1460 & 310.274.5644 - Additional DBA - Home Insulation Products. Award winning.

"We were very with the entire process! They took time to cover everything and the first and second team of workers were polite and careful in the work they performed. Aldi the clean up afterwards was excellent as well. We were super happy and would highly recommend them to anyone thinking of replacing there insulation!!"

Leo C on May 2025

Everguard Insulation has been a family business since 1959. Today, over 65 years and three generations later, we're proud of our contribution to the community, economy and environment. We help people save money on their utility bills while also enjoying a more comfortable home in both summer and winter. We also take pride in helping the environment and doing our part towards energy conservation and making the planet a greener place for generations to come. Additional phone numbers 818.348.1460 & 310.274.5644 - Additional DBA - Home Insulation Products. Award winning.

"We were very with the entire process! They took time to cover everything and the first and second team of workers were polite and careful in the work they performed. Aldi the clean up afterwards was excellent as well. We were super happy and would highly recommend them to anyone thinking of replacing there insulation!!"

Leo C on May 2025


Avatar for Insulation Nation, LLC
Insulation Nation, LLC
25 Pacifica
5.00(
1
)
Approved Pro
Insulation Nation, LLC
25 Pacifica
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
57 local quotes requested

Hi there from Dustin, owner of Insulation Nation! Here in So Cal, we join our Colorado office in providing personalized high touch experiences for our customers. I work with our customers directly every step of the way from evaluation, education and review of options, through the project and to inspection of the results. We've never seen less than a 5 star review. Small businesses live and die by reviews and we are ready to earn 5 stars on your project! Thank you! C-02 Insulation and Acoustic #: 1127373 EXP: 10/31/2026

"We had Insulation Nation (Dustin) come to our house to look at our attis insulation; our house was built in the late 70's and I had added more blown-in insulation many years ago. We decided on adding 8" of blown-in insulation to reduce our heating/cooling cost and to reduce the cycling of our HVAC system. They did a wonderful job of sealing any attic leaks, covers for our canned lighting fixtures, built a dam around our whole house fan, added baffles around our soffits, and added the insulation. Nicely done and a professional job. Would recommend using their service."

Robert S on February 2025

Hi there from Dustin, owner of Insulation Nation! Here in So Cal, we join our Colorado office in providing personalized high touch experiences for our customers. I work with our customers directly every step of the way from evaluation, education and review of options, through the project and to inspection of the results. We've never seen less than a 5 star review. Small businesses live and die by reviews and we are ready to earn 5 stars on your project! Thank you! C-02 Insulation and Acoustic #: 1127373 EXP: 10/31/2026

"We had Insulation Nation (Dustin) come to our house to look at our attis insulation; our house was built in the late 70's and I had added more blown-in insulation many years ago. We decided on adding 8" of blown-in insulation to reduce our heating/cooling cost and to reduce the cycling of our HVAC system. They did a wonderful job of sealing any attic leaks, covers for our canned lighting fixtures, built a dam around our whole house fan, added baffles around our soffits, and added the insulation. Nicely done and a professional job. Would recommend using their service."

Robert S on February 2025


american duct pros
No reviews
american duct pros
No reviews

your health and quality of your air duct system is our commitment . we specialize in air duct cleaning and analyzing the duct efficiency. we will clean it and if we see anything wrong we will give you the right suggestion how to solve it. we are family business for about 40 years our special is air duct system and dryer vent cleaning for $249.00

your health and quality of your air duct system is our commitment . we specialize in air duct cleaning and analyzing the duct efficiency. we will clean it and if we see anything wrong we will give you the right suggestion how to solve it. we are family business for about 40 years our special is air duct system and dryer vent cleaning for $249.00


Calebs Imagination
1000 Simplicity
No reviews
Calebs Imagination
1000 Simplicity
No reviews
5 years of experience

Building or remodeling your dream home. Whatever your imagination envisions we can make it a reality. We have 25 years of experience with pulling permits, designing, drawing schematics/blueprints, earthwork, concrete, stucco, framing, roofing, Plumbing, electrical, HVAC, windows, drywall, insulation and more!

Building or remodeling your dream home. Whatever your imagination envisions we can make it a reality. We have 25 years of experience with pulling permits, designing, drawing schematics/blueprints, earthwork, concrete, stucco, framing, roofing, Plumbing, electrical, HVAC, windows, drywall, insulation and more!


Djs trapping llc
No reviews
Djs trapping llc
No reviews

experience in general construction such as heating and air conditioning, minor electrical work, re ducting/ insulating, cabinet/ carpentry, minor plumbing work and exterior work, very experienced in pest control

experience in general construction such as heating and air conditioning, minor electrical work, re ducting/ insulating, cabinet/ carpentry, minor plumbing work and exterior work, very experienced in pest control


The Right Guys Construction, Inc.
1501 Island Ave
No reviews
The Right Guys Construction, Inc.
1501 Island Ave
No reviews
2 years of experience

Welcome to The Right Guys Construction, Inc. At The Right Guys Construction, Inc., we are not just builders; we're creators of dreams and architects of possibilities. With a passion for precision and a commitment to excellence, we bring your vision to life with every swing of the hammer and every stroke of paint. From foundation to finish, we specialize in a comprehensive range of construction services tailored to meet your every need. Our expertise includes but is not limited to: Custom Home Construction Renovations and Remodeling Commercial Construction Interior and Exterior Design Kitchen and Bathroom Renovations Additions and Extensions What sets us apart from the rest is our unwavering dedication to quality, craftsmanship, and client satisfaction. We don't just build structures; we build relationships founded on trust and reliability. Our attention to detail, innovative solutions, and commitment to deadlines ensure that every project we undertake exceeds expectations. When you choose The Right Guys Construction, Inc., you're not just hiring contractors; you're partnering with a team that cares about your project as much as you do. With years of collective experience in the industry, The Right Guys Construction, Inc. boasts a team of seasoned professionals who are passionate about their craft. Owner-operated and locally owned, we take pride in our roots and our commitment to serving our community with integrity and honesty. Our journey in construction spans decades, and our dedication to excellence remains unwavering. When you entrust your project to us, you can rest assured knowing that it's in the hands of skilled artisans who treat every build as a masterpiece. Experience the difference with The Right Guys Construction, Inc. Let us turn your vision into reality. Contact us today to embark on your construction journey with confidence!

Welcome to The Right Guys Construction, Inc. At The Right Guys Construction, Inc., we are not just builders; we're creators of dreams and architects of possibilities. With a passion for precision and a commitment to excellence, we bring your vision to life with every swing of the hammer and every stroke of paint. From foundation to finish, we specialize in a comprehensive range of construction services tailored to meet your every need. Our expertise includes but is not limited to: Custom Home Construction Renovations and Remodeling Commercial Construction Interior and Exterior Design Kitchen and Bathroom Renovations Additions and Extensions What sets us apart from the rest is our unwavering dedication to quality, craftsmanship, and client satisfaction. We don't just build structures; we build relationships founded on trust and reliability. Our attention to detail, innovative solutions, and commitment to deadlines ensure that every project we undertake exceeds expectations. When you choose The Right Guys Construction, Inc., you're not just hiring contractors; you're partnering with a team that cares about your project as much as you do. With years of collective experience in the industry, The Right Guys Construction, Inc. boasts a team of seasoned professionals who are passionate about their craft. Owner-operated and locally owned, we take pride in our roots and our commitment to serving our community with integrity and honesty. Our journey in construction spans decades, and our dedication to excellence remains unwavering. When you entrust your project to us, you can rest assured knowing that it's in the hands of skilled artisans who treat every build as a masterpiece. Experience the difference with The Right Guys Construction, Inc. Let us turn your vision into reality. Contact us today to embark on your construction journey with confidence!


Phenix Heating and Air
32302 Alipaz Street
5.00(
14
)
Phenix Heating and Air
32302 Alipaz Street
5.00(
14
)
Customers say: Quality work
25 years of experience

Transforming peoples comfort, One home at a time. At Phenix we believe that money will come if people matter. Call us for a fair honest and dependable recommendations.

"Tony Rodrigues did excellent work. Tony came in time and finish the work in time. I am very happy."

Yogesh P on August 2024

Transforming peoples comfort, One home at a time. At Phenix we believe that money will come if people matter. Call us for a fair honest and dependable recommendations.

"Tony Rodrigues did excellent work. Tony came in time and finish the work in time. I am very happy."

Yogesh P on August 2024


H.C. Insulation and Acoustical
4516 Bresee Avenue
No reviews
H.C. Insulation and Acoustical
4516 Bresee Avenue
No reviews

Residential insulation Commercial insulation Insulation removal Air conditioning duct insulation Roof and ceiling insulation Floor insulation

Residential insulation Commercial insulation Insulation removal Air conditioning duct insulation Roof and ceiling insulation Floor insulation


Fitzhauer Construction
No reviews
Fitzhauer Construction
No reviews

Replacement Windows, HVAC (New Furnace, AC or duct work) , Roofing, Patio Covers, Texcote Coatings, Siding, Gutters, and more California & USA manufactured products with extensive & lifetime warranties. Over 30 years of experience. Five Star rated company - Committed to quality. No Sub-Contractors. Everything is done in house.

Replacement Windows, HVAC (New Furnace, AC or duct work) , Roofing, Patio Covers, Texcote Coatings, Siding, Gutters, and more California & USA manufactured products with extensive & lifetime warranties. Over 30 years of experience. Five Star rated company - Committed to quality. No Sub-Contractors. Everything is done in house.

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FAQs for insulation service projects in Lake Forest, CA

When choosing a professional insulation installer, consider asking these questions to determine the best fit.

  • Will you address air leaks in my house?

  • Can you provide an R-value (heat resistance) fact sheet?

  • What kind of insulation will work best for my home?

  • How do you handle signs of a water leak?

  • Are you licensed and insured?

  • Can you provide customer references?

The best type of insulation for your home depends on what you need, so the answer will depend on your specific situation. If you’re building a house, structural panels are easy to install during the building process in addition to being the most energy efficient type. If you live in a warm climate, reflective insulation may benefit you more as it costs less than other insulation types. And for standard attics, loose-fill, spray foam, or blown-in insulation work well.

If you plan to heat or cool your garage, you’ll need to insulate the garage ceiling. Insulating your garage ceiling will make your garage much more energy efficient and save on heating and cooling costs. Not only does insulation make your garage more energy efficient, it helps reduce noise and can extend the life of your garage roof. You can use fiberglass, cellulose, mineral wool, or spray foam insulation for this project.

In some cases, you may not have enough insulation to properly regulate your home’s temperature. Watch for a few signs your home needs more insulation, such as:

  • High heating and cooling bills

  • Uncomfortable room temperatures 

  • Ice dams on the edge of your roof 

  • Roof leaks

  • Cold floors and walls

  • Freezing pipes

  • Temperature fluctuations

  • Visibly low insulation

  • Noise problems

  • Pest problems

On average, insulating an attic costs about $2,500, ranging from $1,500 to $3,500, depending on the insulation type, amount, and your attic’s accessibility. Additional cost factors include sealing air leaks, removal or replacement of insulation, and inspections. Types of insulation include:

  • Blown-in: $1–$4 per square foot

  • Spray foam: $2–$5 per square foot

  • Batt: $2–$4 per square foot

  • Structural insulated panels: $4–$7 per square foot

  • Loose-fill: $2–$5 per square foot

  • Reflective: $0.50–$1.50 per square foot

The Lake Forest, CA homeowners’ guide to insulation services
From average costs to expert advice, get all the answers you need to get your job done.
A worker using a blown-in insulation machine to insulate an attic
Nov 8, 2024
Nov 8, 2024
Learn the key factors that influence the cost of renting a blown-in insulation machine.
Woman lying on the couch is reading a book
May 22, 2025
May 22, 2025
Trying to calculate how much spray foam insulation costs? Our in-depth guide breaks down pricing by type, amount, and where you install it.
A professional insulating an attic at a house
Feb 10, 2025
Feb 10, 2025
Insulating your attic can massively improve your home’s efficiency and reduce electric bills. Use this guide to find out what attic insulation will cost you.
Attic bedroom with ceiling fan
Nov 4, 2024
Nov 4, 2024
Your home likely loses most of its heat through your attic. This guide on different types of attic insulation can help you boost your home’s efficiency.
Worker insulating house attic
Nov 18, 2024
Nov 18, 2024
What is insulation? This behind-the-scenes home fixture will maintain comfortable temperatures in your home no matter the season. It’ll lower energy bills, to boot.
A person organizing an attic insulation removal
May 23, 2025
May 23, 2025
Your attic insulation removal cost will vary based on multiple factors, including why you're removing it and how easy it is to complete the task.
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