HVAC Heating & Cooling Services in Spokane, WA

Calidus Mechanical provides professional residential HVAC services throughout Spokane and nearby communities. From repair and preventative maintenance to full system replacement, our work is guided by proper system design and dependable performance. We provide transparent information about installation and replacement costs before any work begins.

Comprehensive
Residential HVAC Services

Our services cover every stage of your HVAC system’s lifecycle — from repair and maintenance to full replacement and system upgrades.

HVAC Repair

When your furnace or air conditioning system is not performing properly, accurate diagnostics matter. We provide professional HVAC repair services focused on identifying the root cause — not temporary fixes.

Services include:

  • Furnace repair

  • AC repair

  • Heat pump troubleshooting

  • Thermostat diagnostics

  • Airflow and performance correction

Our goal is safe, reliable system operation restored efficiently.

HVAC Installation & Replacement

When it is time to upgrade your system, correct sizing and installation determine long-term efficiency and reliability.

We install:

  • High-efficiency furnaces

  • Central air conditioning systems

  • Heat pumps

  • Complete HVAC system replacements

We provide clear guidance on HVAC installation cost and HVAC replacement cost so you can make informed decisions with confidence.

HVAC Maintenance & Inspection

Routine maintenance for HVAC systems reduces unexpected breakdowns and extends equipment life.

Our maintenance services include:

  • Seasonal tune-ups

  • HVAC inspections

  • Performance testing

  • Safety checks

  • Filter evaluation

Preventative service helps ensure your system operates efficiently year-round.

Indoor Air Quality & Airflow Solutions

Comfort is more than temperature. Proper airflow and filtration improve system performance and indoor air quality.

We provide:

  • HVAC filter replacement guidance

  • Airflow balancing

  • Ventilation improvements

  • Indoor air system recommendations

HVAV repair in Spokane

Common HVAC Issues We Address

People often contact us when their heating or cooling system is no longer operating reliably. Below are some of the most common HVAC issues we diagnose and resolve in Spokane homes.

System not heating during winter

AC not cooling evenly

Rising energy bills

Frequent cycling

Unusual noises or odors

Aging systems over 15 years old

Frequently Asked Questions

  • Most residential systems benefit from maintenance twice per year.

  • Typically 15–20 years depending on maintenance and usage.

  • If repair costs increase or the system is aging, replacement may offer better long-term value.

  • System size depends on square footage, insulation levels, ductwork condition, and home layout. Proper load calculations ensure efficient performance and long-term reliability.

  • Installation costs vary based on equipment type, efficiency rating, home size, and system complexity. We provide detailed estimates so you understand the full scope before work begins.

  • Rising energy costs may indicate airflow restrictions, aging equipment, duct leakage, or system inefficiency. A professional inspection can identify the cause.

Schedule Your HVAC Service

Complete the form below to request repair, maintenance, or installation service. Our team will contact you to confirm the details and schedule your appointment.