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TRUSTED BY DIAMOND BAR, CA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon59
    Verified insulation services reviews

Find Insulation pros in Diamond Bar

Avatar for Everguard Home Insulation Inc.
Everguard Home Insulation Inc.
4.8(
199
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeSpray Foam Insulation - Install+2 more

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 1959

Free estimates

Emergency services offered

"It is rare these days to find a great company with good values. This is one of those instances; I cannot say enough, good things about the professionalism of the employees at the office and those that showed up on site to install wall insulation. They showed up at the beginning of the two hour window, which was fantastic and explained everything with upfront pricing. We even asked for additional insulation and they were able to accommodate. Our home walls are now insulated and we even noticed a difference right away. From the time of arrival to completion they were nothing but exemplary. Thanks again for running an honest and professional team! Highly recommend to anyone out there looking to insulate your home!!! Notability, they were well below other companies on pricing too!!!"
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+7

Response time2 days
11 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Insulation Labs
Insulation Labs
4.9(
519
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Warranties offered

"In July 2024 I hired Insulation Labs to add more insulation to our attic. They showed up on time with a truck full of insulation, and a few hours later they had put all of it inside our attic. They did a good job up there. I am very pleased with how everything turned out. One thing that distinguished Insulation Labs from some other outfits is that they did not try to up-sell us with services we didnâ t need."
Fresh Insulation & New Ducts
Completed installation of solar panels
Roofing Projects
Spray foam insulation Projects
Old Insulation & Debris

+121

Response time11 hrs
Response rate90%
40 neighbors recently requested a quote
Avatar for Marathon Insulation
Marathon Insulation
5.0(
16
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade+2 more

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"After talking with several attic clean out and insulation, wall insulation companies, I decided to go with Marathon Insulation. Johnathan was very helpful and professional, gave the best choices for my issues, without trying to upsell like some of the others. After getting the attic and walls insulated (with attic clean out) I can already feel the heat stay in the rooms much longer and the walls much less cold to the touch before. I highly recommend Marathon Insulation! They were always on time, delivered as promised, and cleaned up after."
Exterior wall drill fill
Newly constructed pool house ready for insulation
Exterior wall drill fill
Pool house insulated with brand new batt insulation
Exterior wall drill fill

+23

Response time7 hrs
Response rate100%
10 neighbors recently requested a quote
Avatar for Next Level Insulation
Next Level Insulation
5.0(
7
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"Jesus and his crew at Next Level Insulation completed my attic needs (Insulation & cleaning) flawlessly. They are true professionals! Jesus was very responsive in keeping appointments, providing a quote and completing the job. He explained the job they were preforming and kept me informed every step of the way. I truly recommend Next Level Insulation."
attic insulation
New R21 insulation
attic vaccumed
new build
box truck

+33

Response time1 day
Response rate95%
10 neighbors recently requested a quote
Avatar for Insulation Nation, LLC
Insulation Nation, LLC
5.0(
7
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeSpray Foam Insulation - Install

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"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."
Air Seal (Mineral wool light covers) and Batt - R38 Attic
Vaulted/Cathedral Ceiling - R43 Combo of RIgid Foam Board and Batt
Same
Full Removal, Radiant Barrier and Replacment
Batt Insulation In Attic Perpendicular Layered

+33

82 neighbors recently requested a quote
Recommended by14%of homeowners
Avatar for Insulation Commandos of Southern California
Insulation Commandos of Southern California
4.2(
415
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeSpray Foam Insulation - Install+1 more

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"After having a new air conditioning system installed, to replace an old inefficient one, we decided to make sure our attic had the correct insulation as well as the appropriate R-value. Since our home was built in the 1950's, the insulation throughout the attic was minimal. We hired Insulation Commandos to survey and provide us with the appropriate solution. The solution involved removal of the old insulation, cleaning the area, and installing the correct insulation based on our homes location. We now believe we can keep our energy costs down and provide less strain on our AC system. Great job team!"
before and aftert insulation install
insulation remocal service
about us
Wrapped trucks
535 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Atticare Construction
Atticare Construction
4.1(
70
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

"This business is great to work with! They showed up early and got right to work. They laid down protective plastic as we have blown insulation that gets everywhere. They installed attic and subfloor. I thought they would be here all day. They were down in about 3 hours. Quality work, professional and very informative and clean!"
AttiCare Vehicle
Final work
Our team crawling in attic corner
Analyzing and Careful Planning
Cleaned and ready to be insulated

+65

Response time1 hour
12 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Attic Construction OC, Inc.
Attic Construction OC, Inc.
4.4(
85
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

"Attic construction installed a hybrid of batt insulation and blown in (corners that were hard to install batt in) after cleaning and sanitizing the area. They sealed all potential entry points for rodents. The workers showed up on time in the morning, were friendly, and the 3-man team was well coordinated in completing the tasks, including a post-clean up. They worked all day and the job was completed to my satisfaction. I would highly recommend them, they know what they are doing and all workers having completed a training program at Owens-Corning (which is the only product they use)."
Before
Clean
Insulated
Response time5 hrs
Response rate93%
93 neighbors recently requested a quote
Hawx Insulation-Los Angeles
4.1(
361
)
Blown-In Insulation - Install or Upgrade

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

At Hawx Pest Control, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. Hawx Premium Pest Control will treat your pests, mosquitos, and more- then keep them away for good. If pests come back between treatments so will we, at no additional cost to you. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote. \n

7 neighbors recently requested a quote
Recommended by75%of homeowners
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Insulation questions, answered by experts

If you have access to the foundation walls, adding spray foam insulation to your existing unfinished basement or crawl space is straightforward. Replacing existing insulation in your unfinished attic space is possible after removing the old insulation. However, spray foam insulating an existing wall after the drywall is in place isn’t possible unless you remove most of the drywall.

Insulating an unheated garage can still be worth it. For instance, insulating an attached garage can help with heat loss from your house in general, and it can also make it easier to store electronics in your garage without worrying about them being exposed to extreme temperatures.

If you use your detached garage as a workspace, insulation can still make a difference. Plus, you can use space heaters and a window unit AC to help condition the space while you work without installing heating.

You can buy pipe insulation materials in your local hardware store or in major home improvement stores. You can also shop for insulation online, where you may be able to more easily buy in bulk. When shopping, make sure you know your pipe's dimensions so you can buy the correct size of pipe insulation materials for your pipes.

While insulation is required for all exterior walls in a house, it is not typically required for interior walls. Local and state building codes mandate that new construction homes have adequate insulation in exterior walls and ceilings to suit the local climate.

However, there are several benefits to adding insulation to interior walls. It is excellent for sound-dampening between rooms and can help with temperature control by maintaining a regulated temperature in specific rooms and lowering heat transfer between adjacent areas. Insulating interior walls can also contribute to the overall energy efficiency of your home.

Upgrading insulation offers several benefits, including improved energy efficiency, which leads to lower heating and cooling costs. It also enhances indoor comfort by regulating temperature and can provide noise reduction. Additionally, better insulation has a reduced environmental impact and can increase your home's value and overall livability.

The Diamond Bar, CA homeowners’ guide to insulation services

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