Best Emergency Generators in Denver CO

We got estimates from 3 different electricians for an EV charger install. Allstar had the best price and was the easiest to work with. They were able to do the install within a week and even helped guide us through the process of applying for Xcel's rebate. I definitely recommend them.

Charles the HVAC technician was very professional and knowledgeable.
He explained everything he was doing to me, answering all of my questions and treated me respectfully.
I am extremely pleased with the service and will call WireNut again for any household problem I may have.

Installed AFCI breaker and surge protector device to get my townhouse up to code. Very friendly and did not try to upsell.

Union labor. Fairly priced and well trained.

Justin was fantastic no only did great work he showed me some safety tips with our electrical system that would make our home much safer for our new buyers. Would highly recommend Justin at Interstate Electric and Solar for all your electrical needs! Thanks again Justin and Happy Holidays!!🎄

Professionalism at it's best. On time service, every question i had was answered, with confidence and certainty. Work was done in a timely manner. I couldn't have been happier. 😁 5 stars.

Aaark has earned their reputation and delivers quality, value and professionalism. Great customer service!

My experience with AAA today was outstanding. I called first thing Tuesday morning and within an hour a tech arrived to my house. Jason J took the time to explain what he was doing and he quickly was able to fix my clogged disposal. Great quality of service and outstanding price. Thank you AAA!

The two technicians that showed up were polite, professional, and knowledgeable, they did a very thorough job of explaining and showing what the problem was and what is needed for a permanent fix, they cleaned up after themselves and were very conscience about not making a mess. I would with confidence recommend this company to my friends and family. No high pressure sales.

I had a small job installing outlets in my garage. Joel came out the same day I called, quoted a reasonable price and did the work quickly and neatly. He's a nice guy, too.

We have work with CSI on several different projects using back up Generators and UPS systems including Fire Stations, Call Centers and other commercial buildings. Their customer first approach and their level of expertise in power generation and critical UPS backup systems make them the best in the business in my opinion.