Dependable HVAC Maintenance in Marshall, MI
HVAC Maintenance
Same-Day Service Available
Starting At
$96
HVAC Maintenance
Your HVAC system works year-round in Marshall, cooling through humid summers and then running hard through long, lake-effect winters off Lake Michigan. That’s a heavy workload, and a system that isn’t maintained tends to fail at the worst possible moment. HVAC maintenance from CTI Mechanical keeps both sides of your system ready for the season ahead. We’re a fourth-generation, family-owned company, and we’ve spent years learning exactly what Southwest Michigan weather does to heating and cooling equipment. Our visit covers both the heating and cooling sides in one stop, so your air conditioner is ready for summer and your furnace is ready for the first hard freeze. If it’s been more than a year since your last service, call (269) 441-1900 and we’ll get you scheduled before the weather forces the issue.


What’s Included in HVAC Maintenance?
- Full inspection of heating and cooling components, controls, and the thermostat
- Cleaning coils and replacing or checking filters for proper airflow
- Checking refrigerant levels and testing system performance on both modes
- Inspecting electrical connections, burners, and the heat exchanger for safe operation
- Lubricating moving parts and flushing the condensate drain
How Much Does HVAC Maintenance Cost?
An HVAC system that runs both heating and cooling has twice the chances to lose efficiency and deteriorate over time. Staying on top of your unit’s HVAC maintenance pays off. A standard HVAC tune-up generally runs about $70 to $200, and an annual maintenance plan that covers seasonal service typically costs $150 to $300 a year, a small price next to a mid-winter heating failure.
Problems Regular HVAC Maintenance Prevents
A neglected HVAC system fails in predictable ways, and almost always at the worst time of year. Seasonal maintenance is what keeps those failures off your plate. Here are the most common issues a tune-up helps you avoid.
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Looking for Local HVAC Maintenance Services?
The best time to find a problem is before the season starts, not during it. CTI Mechanical keeps your system a step ahead. Call (269) 441-1900 to schedule your tune-up.

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