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Heating, Cooling, Electrical & Excavation

— Since 1992 —

  • 100% money–back Guarantee
  • Competitive pricing
  • Honest Advice

HVAC & Electrical Services in Coeur d’Alene, ID and Surrounding Areas

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!
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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.

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Meet the team

Learn More About Our Team

Learn More About Our Team


ACI Northwest is a Lennox Premier Dealer

Cozy. Comfortable. Secure. We service all brands & equipment

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.

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During the summer it’s important that your home is well-equipped with an air conditioner that can deliver results for your whole home 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.

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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.

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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.

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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.

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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 the installations to replacements of commercial systems, our trained and experienced technicians are available 24/7 to take care of your business needs.

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Respected By the Community

− Since 1992 −
Emese Berry's Profile Image
Emese Berry, This week

ACI did a great job servicing our furnace and AC. The technician, Aspen, was on time, professional, courteous, and overall very good.

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Idaho AGC

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Work Hard, Play Hard at ACI Northwest

Now Hiring Multiple Positions

Top Industry Pay & Full Benefits Package

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ACI Northwest's Maintenance Plan

Save with Regular Tune-Ups

Residential & Commercial Maintenance plans
  • Reduce repair bills
  • Improve Efficiency
  • Extend equipment life
  • Maintain equipment warranties

Serving The Greater Coeur D’Alene & Spokane Area

Please consider us for your next home, office, or large project.