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    Insulation Nation

    4.8 (33 reviews)
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    4 hours

    Response rate

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    Services - Insulation Nation

    Building energy audit

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    Reviews With Photos

    Work in progress
    Laura P.

    I reached out to Insulation Nation through Yelp! Josh immediately responded! I was interested in Radiant Barrier as we were still working on can lights in the attic! I had a couple of questions regarding type of product, R value etc & he answered them all so I could do my own research. Josh came out quickly and looked into our attic and with a quick turn around we got our estimate! We were super pleased with it and moved forward! Josh told us there is no Rvalue in Radiant Barrier but after the job was finished we can feel a noticeable difference in the temperature in the house! Choosing Josh and his team from Insulation Nation was a very smart choice for us! When our electrical is fixed we will definitely call him to finish insulating our attic!

    Barriers to protect walls, floors and furniture

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    1 year ago

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    Josh M.

    Thank you for your kind review Laura!

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    4 months ago

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    1 year ago

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    Josh M.

    Thank you for your great review Brian!

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    9 months ago

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    Josh M.

    Thank you for your very nice review Tim!

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    1 year ago

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    Josh M.

    Thank you for your nice review Dana! We really appreciate it!

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    9 months ago

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    Josh M.

    Thank you for your kind review Michael!

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    3 years ago

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    3 years ago

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    Josh M.

    Thank you Jon!

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    1 year ago

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    Josh M.

    Thank you for your review Aaron!

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    1 year ago

    Easy to work with. Good pricing. They were flexible with allowing us to get an electrician in the attic before placing new insulation.

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    Josh M.

    Thank you for your review Jessica!

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    2 years ago

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    Josh M.

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    1 year ago

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    Josh M.

    Thank you for your great review Jeff! It is truly appreicated!

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    2 years ago

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    Josh M.

    Thank you for your nice review Pati! We truly appreciate it!

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    3 years ago

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    Josh M.

    Thank you for your kind review Kevin!

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    2 years ago

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    Josh M.

    Thank you for your kind review! It was a pleasure working with you!

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    2 years ago

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    Josh M.

    Thank you for your kind review! We really appreciate your business!

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    3 years ago

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    Josh M.

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    3 years ago

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    2 years ago

    Done quickly and efficiently. Results were as promised. Followed up quickly with reporting.

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    Josh M.

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    2 years ago

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    2 years ago

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    Josh M.

    Thanks Marty it was a pleasure helping you and Mike. Great customers!

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    3 years ago

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    Josh M.

    Thanks Josh it was a pleasure to help you with your project!

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    Josh M.

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    3 years ago

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    Josh M.

    Thank you for your review Josh! It was a pleasure working with you!

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    Review Highlights - Insulation Nation

    Also, despite making an error on his end when calculating the estimate, Josh stuck to the price he promised.

    Mentioned in 15 reviews

    Read more highlights

    REenergizeCO - Denver Insulation + Solar Company

    REenergizeCO - Denver Insulation + Solar Company

    (22 reviews)

    Absolutely horrible customer service and a very disappointing experience…read more During an energy audit, my hardwood floor was damaged. I also discovered that the technician moved my security camera from the window to a table without asking. This was captured on my security footage. When I raised these concerns with management, I felt they were dismissed. The manager told me he believed the technician's account over mine despite the video I provided. I also informed him that I intended to leave an online review. During our conversation, he responded by saying, "I'll sue you for defamation." And, " I can't wait to see everyone on Reddit laugh at you" That response made me question whether customers feel comfortable leaving honest negative reviews after receiving that kind of warning. Based on my experience, I cannot recommend this company. I encourage anyone hiring these contractors to have security cameras and to document the condition of their home before and after service. In my opinion, moving a customer's security camera without permission is a serious security concern. Xcel's website has a list of companies you should use I'll provide a list below. With only 140 reviews on google and 21 on yelp the business has been in business for 17 years he says. Yea a lot of people love your business

    We purchased a new home in '21 and knew we wanted to do at least three things right off the bat: 1)…read moreinsulate the attic, 2) install solar, and 3) an EV charger. I was pleased to find that REenergizeCO did them all and were more than just an installer but on mission to increase energy efficiency. From start to finish communication was fantastic. They first did the insulation and we noticed a difference almost immediately. They also took care of submitting the Xcel rebate paperwork for it. The solar panels and EVSE came a bit later. Again, they took care of all the paperwork with Xcel. The system has been working without flaw since and saving us tons of money in this inflated energy cost environment. We had them out recently to detach and reset the panels for a roof replacement. They took the opportunity to slightly tweak the layout for better efficiency. Still the same commitment to quality!

    Efficiency Revolution - We seal air leaks in your attic before insulating.

    Efficiency Revolution

    (14 reviews)

    You will be in excellent hands with Mark and Sean from Efficiency Revolution! These two will…read morecommunicate like professionals be it in verbal communication, text communication, email, and in their professional appearance and composition! That is not the norm when interacting with the trades. My HVAC system had a pipe break and it was leaking water over electrical cords. This was an electrical hazard in the making. The leaky pipe was spilling water all over the play yard of my dog training facility. My team could not use the space, as the water was growing an ecosystem and the dogs wanted to lap it up like a kale fruit drink. Hello giardia! Sean noticed that our HVAC system was not sealed, so we were essentially heating and cooling the outside. They sealed what needed sealing and replaced our air filters. My understanding is that the team primarily does insulation in Denver, so they can help with that, too. Drug-free crew...no meth mouth. Hire these people.

    I couldn't be happier with my choice to hire Mark and make this energy investment in our home. I…read morewish we would have contacted Mark before spending thousands on HVAC upgrades, thinking that would make our home more comfortable. As it turned out, we had lacking insulation in our attic and no insulation at all in our exterior walls. Mark presented us with several options and guided us toward the option that would have the most immediate impact and fit our budget. He filed all of the paperwork for the Xcel rebate. While Xcel took quite a while to process the rebate, it ended up being substantially more than I was expecting and certainly help offset the costs improving the insulation throughout our home. Before the improvements, the second level of our 2-story home was significantly hotter in the Summer or colder in the Winter, than the main floor. Now, we have consistent temps throughout the house and are seeing lower Xcel bills too. Mark and his assistant were courteous and professional throughout the 2-day job and very Covid conscious as well, which was appreciated. Highly recommended!!!

    Airtight Energy Inspections - Airtight Energy Inspections performs energy audits throughout Metro Denver

    Airtight Energy Inspections

    (9 reviews)

    First -- even if you don't use Stuart at Airtight, do choose someone who doesn't also do the…read moreimprovements as I have heard stories of hard sales from companies who are using energy audits to get their foot in the door (literally!). Now, adding to the scores of five-star reviews on Airtight Energy Inspections! Stuart came to do the audit this morning and I was so impressed at his knowledge of how to improve the efficiency of our 1926 Wash Park Bungalow. He even talked me out of spending $15k+ on new storm windows, giving me much affordable options that will yield better results. In addition to all of his recommendations, he is getting me a $40 annual credit with xcel at no cost to me. Among other things, he discovered that our bathroom is venting into insulation in our attic (a risk factor for mold) and that our sunlight needs to be sealed. Will be recommending Stuart to my neighbors!

    I was referred to Airtight by someone who'd used them to get a rebate on some windows. We were…read moreabout to replace our windows so I called Airtight to see what I'd need to do. The lady I spoke with, who's name I've forgotten, was extremely helpful. After spending a bit of time asking questions to understand our project and needs, she went told me that she wasn't aware of the any rebates but that she'd look into it and follow up with me. Later than evening she called me and confirmed there were currently no rebates, and concluded that it didn't make any sense for us to have them audit our home. The way she put it was roughly "we don't like to put ourselves in situations where we can't add value". I really appreciate the honestly and extra effort she made.

    Cooper Heating & Cooling - Our licensed electricians ensure your fan is installed safely, runs smoothly, and helps lower your energy use.

    Cooper Heating & Cooling

    (356 reviews)

    We have been with Cooper heating and Cooling for many years. By far I recommend Justin Woolsey…read more Very knowledgeable about all services, explains things so that we can understand, very detailed and friendly. Justin gets 10 stars in from us

    Cooper installed our HVAC system about 9 years ago. We bought the annual maintenance agreement for…read morewhich we get a testing and cleaning of both heat and AC....Last week it was time of the AC test. Mario is a nice, polite and well versed serviceman. During the inspection he mentioned the capacitor was "reading low" and he recommended I replace it. I looked it up on google and it suggested the price of the part was about $25. Now mind you, I had no trip cost, as he was already on premises for the annual service. He quoted $500 and change. I was shocked and he then went to to say that I really should install a "Turbo Capacitor" and "UPGRADE THE ELECTRONICS. for a total cost of $702. Now look at this video on replacing the capacitor for $25 https://www.youtube.com/watch?v=BwdsAD019pk I challenged the number and asked him to cal the office. They confirmed that the price is fixed - I felt under the gun. He was already here, trip fare was paid so I figured to approve the install and challenge the number with the office. He then told me that the insulation was warn, so he needed to replace, not urgent, but needed. About 18" of foam insulation....price $209....FOR 18" of cheap, off the shelf insulation that probably costs under $1....and he was already at my place. After a lot of back and forth, he "threw in" the foam. I called the office and explained my shock at the price and was told they bill at $400/hr labor plus parts. Even with trhat exorbitant hourly rate, he hardly worked for 45 minutes to do all the work, so I asked for a breakdown of parts and labor. Was told they work on fixed pricing with no breakdown. I have been a satisfied customer and find their technicians to be able and polite. On their website I gave them a 4 star review thing I would be able to put some of this story but there was no such opportunity. I hate feeling that every time something needs repair, you have to guard against being taken advantage of. I thought I had a trusting relationship with them, and am disappointed to find out that is not the case.

    Insulation Nation - insulationinstallation - Updated September 2026

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