About Calidus Mechanical

Calidus Mechanical is a Spokane-based residential heating and cooling company founded by an experienced HVAC professional who believes quality workmanship and clear communication should be standard — not optional.

After years working in the industry, we established Calidus to provide homeowners with dependable service built on proper system design, careful installation, and accurate diagnostics.

Our approach prioritizes long-term system reliability, efficiency, and homeowner confidence.

Night view of Washington Water Power building illuminated with green sign, river with waterfalls in foreground, and stormy sky in the background.

Our Background

Our experience comes from years of hands-on work in residential heating and cooling — installing new systems, diagnosing complex issues, and maintaining equipment through every season. That field experience shapes how we approach every project today.

We understand how improper sizing, rushed installations, or incomplete diagnostics can lead to premature system failure and unnecessary costs. That is why we take the time to evaluate each home carefully before recommending a solution.

Today, we use that experience to help Spokane residents make informed decisions about repair, maintenance, and system replacement.

Our Standards

Front view of three modern suburban houses with brick and siding exteriors, pitched roofs, and a driveway, under a clear blue sky.

Proper System Design

Every home is different. We assess square footage, airflow, ductwork condition, and equipment compatibility to ensure systems are properly sized and installed according to industry best practices.

Correct design and installation directly impact efficiency, reliability, and long-term performance.

Local Knowledge Matters

Operating in Spokane means understanding the demands of cold winters and warm summer temperatures. We design and service residential systems with local climate conditions in mind to support year-round comfort and efficiency.

Who We Serve

Living room with a light gray sofa, a Labrador retriever lying on it, a laptop on a small wooden table, a black and white patterned rug, a white armchair, a tall black floor lamp with a beige lampshade, an air conditioner on the wall, a small side table with a plant, and a framed picture of a green plant leaning against the wall.

We work with residents who value:

  • Accurate diagnostics and reliable repair

  • Thoughtful system replacement and installation

  • Preventative maintenance for long-term efficiency

  • Clear communication and realistic cost expectations

If you are looking for experienced heating and cooling service delivered with professionalism and integrity, Calidus Mechanical is built to provide it.