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Since its inception, Green Collar Operations has been dedicated to providing exceptional HVAC and heating services to the Austin community and surrounding areas. With a focus on quality workmanship and customer satisfaction, Green Collar Operations offers a comprehensive range of services, including air conditioning installation, heating equipment supply, and insulation solutions. Their commitment to energy efficiency and sustainable practices ensures that each project not only meets the needs of clients but also contributes to a healthier environment. Trust Green Collar Operations for all your home comfort needs, where professionalism and ex...
Lisa J.
A friend recommended this vendor and I am thoroughly happy with their work quality and professionalism. Everyone, from the admin staff, to the owner, to the fellows who actually did the work, were respectful, intelligent, and extremely generous with their time, to explain things and to make sure I was satisfied, which I was. They made the process of working with the COA very easy. A+ experience.
Review from Yelp
Scott C.
The electricity bill went down on my other home $100 a month, having insulation blown in my attic changed the bill from 270 to 170 on a 1700 sq' home in August.
The best money saver I've run across ever.
Review from Google
Josh G.
Called these guys out for an energy audit. They were extremely responsive, helpful, and punctual. Literally arrived at my door the minute I was told to expect them. Best part- after the audit they let me know that they *could* do some upgrades, but that the difference probably wouldn't be worth my money. You should call them. They won't try to sell you stuff you do not need.
Sande W.
Used this company for attic installation Oct. 2009 for my condo in Allandale condos. I do believe it has helped keep my a/c expenses down over the 15 years! I had Rob (?) come check out my new house in Round Rock and he helped explain my installation and fixed my gap at the bottom of the door (brand new house). I'd recommend them to anyone that wants to check their installation.
JayDub
Great experience, easy to work with and awesome results. Bill Cook made everything easy, and made navigating the Austin energy rebates pain free. I highly recommend these guys!
Review from Google
Kylie S.
Bill was super helpful in helping me understand how our AC worked and why our home wasn't cooling/heating the way we wanted. Also, as a female doing home projects I really appreciated the level of respect I was treated with as well as never feeling talked down to or treated differently than if they were talking to my husband. Other than the service and communication being great, the prices were so much more reasonable and affordable than any other quote we got from other companies. They did a great job on our duct work and would highly recommend!!!
Review from Yelp
Review from Yelp
Review from Google
May 14, 2026