Hard work doesn’t come out of thin air. In the HVAC industry, it takes years of expertise, training, and experience to deliver customer service they can really count on. Here in Coeur d’Alene, the team at ACI Northwest is invested in keeping homes comfortable, air safe and clean, and homeowners happy.

We operate with a 100% satisfaction guarantee.
We’re locally owned and always do the right thing.
We’ve been in business since 1992!

Homeowners know what to expect when they call ACI Northwest. Take your pick between excellent customer service, knowledgeable and well-trained technicians, and a brand that’s as reliable as it gets. We’re here to get things done the right way. It’s time to call our team for quality services you can count on.

Learn More About Us!

Meet the Team

Learn More About Us!

Meet the Team

Cozy. Comfortable. Secure.

We Service All Brands and Equipment

Heating

When the cold wind begins to make your home uncomfortable, it’s comforting to know that you have an excellent heating system to help keep you warm. We offer professional heating services ranging from installation to replacement and repair to maintenance for a variety of heating systems.

Air Conditioning

During the summer, your home must be well-equipped with an air conditioner that can deliver results quickly. We offer high-quality air conditioning services, including the installation of new ductless ACs, central air units, geothermal systems, and more. We can also repair and maintain your system to help it do its job.

Indoor Air Quality

If you suffer from allergies, have a respiratory condition, or are just concerned about what’s in the air in your home, then investing in an indoor air quality upgrade can make all the difference. We install and service a number of indoor air quality products and services, including air filtration systems, air purifiers, humidifiers, UV germicidal lights, and more.

Water Heaters

Your water heater is an extremely important plumbing system. You rely on it every day for hot showers, clean dishware, and stain-free clothes. When you find your water heater no longer functions the way it should, we can provide a solution with our water heater services. We offer installation, replacement, repair, and maintenance.

Electrical

It’s hard to imagine life without electricity. This is why it’s important to make certain that your electrical system remains in good working order. As a leading electrical contractor in the area, we offer top-tier electrical services to our customers, including installation and repair, fuse box upgrades, and more.

Commercial Services

To our fellow business leaders in the Coeur d’Alene, ID area: we offer exceptional commercial services that can restore functionality to your HVAC and electrical systems. From installations to replacements of commercial systems, our trained and experienced technicians are available 24/7 to take care of your business needs.

Respected By the Community

− SINCE 1992 –

Lindsey O.

Mike Jones and the Owner, Billy, have been so helpful In dealing with a breakdown of our swamp cooler for a commercial kitchen. The tech Eric got our AC units up and running quickly and was kind enough to teach us some tips and tricks that will help us maintain the units better. Everyone at ACI is professional, courteous and knowledgeable. We will only use ACI!

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Kate M.

Eddie and Zack were great. Courteous, professional, friendly, answered all our questions. I highly recommend ACI and Zack and Eddie. Jason who met with us initially was also great, explained all our options and we were able to make an informed decision about a/c and heating.

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Gail L.

Michael the technician was excellent. He explained what was going on, most cost effective and reliable options, and how to function until new items are in place. He treated us as well as if we were family.

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Allan I.

Excellent service. One of the best.

Casey McCormick was extremely efficient and thorough.

We would want Casey to do our next service in the fall!

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Hope L.

I feel very grateful to aci. The guys who came to install our unit came on their day off to make sure we had air during this heat wave. So grateful and thankful. I've always been happy with the service at aci. Will always use them and recommend them.

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Rob R.

Quick and courteous service.

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Michele, T.

We have finally decided to get a home generator. ACI is the contracted installer, and I couldn't be happier. I've used their electricians in the past and this is our first time with natural gas. Laudin is our installer. He is young, very knowledgeable, detail oriented and respectful. We are completely satisfied with his quality of work and will continue to use and recommend ACI in the future.

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