We Are Your Heating, Cooling, Electrical & Generator Experts

ACI offers a full complement of services for a broad range of heating and cooling requirements and even offers financing for your projects. Our ability to be fast and efficient is also the reason Lowe’s selected us as their heating and cooling partner.

CUSTOM ESTIMATE

Heating Services

From system installation to repairs and maintenance, ACI ensures your heating system delivers consistent performance when temperatures drop.

Air Conditioning

A properly functioning AC system keeps your home comfortable during warmer months with installation, repair, and maintenance services.

Electrical Services

Our electrical services cover wiring, panel upgrades, lighting, and safety improvements to ensure your home operates efficiently daily.

Water Heaters

Hot water is a daily necessity, and we provide replacement, repair, and maintenance solutions for both tank and tankless systems.

Why Homeowners & Businesses Trust Us

ACI Northwest Inc. brings decades of experience, and a strong commitment to quality workmanship on every job. Since 1992, we have helped homeowners and businesses stay comfortable, safe, and prepared with dependable service across the systems they rely on most.

  • Full-Service Expertise – We provide heating, air conditioning, indoor air quality, water heater, electrical, generator, and commercial services with a focus on practical solutions and long-term performance.

  • Trusted Local Team – Our customers count on us for skilled service, honest recommendations, and a job done right the first time.

  • Built on Reliability – With roots in the Coeur d’Alene and Spokane area, ACI has earned a reputation for responsive service, competitive pricing, and dependable results.

When you need service you can feel confident about, ACI Northwest is ready to help with trusted solutions for your home or business. Contact us today to schedule service and get the reliable support you need.

SCHEDULE SERVICE

10 YEAR WARRANTY

Free 10 year Warranty on your new Generac Whole House Generator, purchase today and have ACI Northwest install before 5/15/2026 to receive your free 10Yr Labor & Material Warranty.

ENDING: 5/15/2026

LENNOX REBATE

Lennox Rebate up to $1800 on certain Lennox models!

ENDING: 6/12/2026

SPECIAL FINANCING

Special financing on certain Lennox models, up to 60 month financing! No Interest & Equal Payments!

ENDING: 6/12/2026

EARLY BIRD

Early Bird Air Condition Maintenance promo $69.00, Become one of our Premium loyalty customer & pay as little as $19.95, ask for details!

ENDING: 5/31/2026