HVAC Maintenance in Bay City
Scheduled HVAC Maintenance for Bay City Homes Since 1984
Our HVAC maintenance programs give Bay City homeowners a scheduled way to assess furnace, air conditioner, and heat pump performance and identify developing concerns. We offer prepaid residential maintenance agreements for standard systems, plus a separately priced maintenance option for ductless and mini-split equipment. Since 1984, we have supported residential and commercial heating and cooling needs throughout Bay City and surrounding Mid-Michigan communities.
Whether you’re considering a recurring maintenance agreement or a one-time tune-up, scheduled service is a practical alternative to waiting until the system has a problem.
Call our office today at (989) 474-2870 or contact us to compare maintenance options and discuss your system.
Why Choose Custom Engineering?
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Convenient Financing Options
We make HVAC services manageable with convenient financing options. Subject to credit approval.
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Preventative Maintenance PlansKeep your system in perfect shape all year round with our programs.
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Locally Owned & OperatedAs a proud Michigan company, we deliver honest, dependable HVAC services backed by local expertise and care.
Standard Furnace/AC/Heat Pump Maintenance
Our residential maintenance agreements provide scheduled preventative maintenance for standard heating and cooling equipment. Ductless and mini-split systems have a separate maintenance option with system-specific pricing and service recommendations.
At Custom Engineering, our Residential Maintenance Program is designed to support reliable operation and identify developing concerns throughout the year.
Program benefits:
- Scheduled preventative maintenance visits each year
- Priority scheduling for service calls
- Discounted diagnostic and repair rates
- Discounted pricing on repairs and replacement parts
- Inspection, cleaning, safety checks, and performance evaluation
- Equipment condition reporting and recommendations
- Review of developing concerns found during the visit
Download the A/C and Furnace Annual Maintenance Contract
Mini-Split / Ductless System Maintenance
Mini-split and ductless systems require system-specific maintenance procedures and are priced separately from traditional heating and cooling equipment.
Most ductless systems require one preventative maintenance visit per year. For systems that provide heating and cooling throughout the year, we may recommend two annual visits based on equipment use and condition.
Our maintenance service includes:
- Inspection and cleaning of indoor and outdoor equipment
- Air filter inspection and cleaning recommendations
- Electrical component inspection
- Refrigerant system evaluation
- Condensate drain inspection
- Operational and performance testing
- Verification of proper heating and cooling operation
We recommend a schedule based on the number of units, equipment use, and system condition.
6 Key Benefits of HVAC Preventive Maintenance for You
The key benefits include:
- Equipment condition awareness: Maintenance includes equipment condition reporting and recommendations.
- Comfort and safety: Maintenance includes cleaning, safety checks, and a review of system operation.
- Air filter care: Filter review and cleaning recommendations can help you understand when a filter needs attention and whether trapped debris is affecting airflow.
- Operating performance: Inspection and cleaning help our technicians evaluate system performance.
- Warranty documentation: Many HVAC system warranties have maintenance requirements that vary by manufacturer and equipment terms. Keep maintenance records and review your specific warranty conditions.
- Dependable operation: Regular maintenance can identify developing concerns, though it can’t eliminate the possibility of future repairs or equipment replacement.
What We Check During an HVAC Maintenance Visit
The work included in a visit depends on the type and condition of the system. Our technicians use visual inspection, cleaning, measurement, and operational testing to evaluate:
- Thermostat calibration, settings, controls, and starting cycles
- Electrical connections, motor voltage, and current
- Condensate drainage
- Filter condition and airflow
- Cooling coils, condenser coils, and refrigerant performance
- Blower components and overall system operation
- Gas connections, burner combustion, and heat exchanger condition on applicable heating systems
Safety-related findings involving combustion components, electrical connections, drainage, or controls may require repair before continued operation. After the visit, we report the equipment’s condition and explain any recommended next steps.
Plan Your HVAC Maintenance in Bay City
As a locally owned, licensed and insured HVAC company, we explain our findings and make practical recommendations without pressure. We can discuss your home’s equipment, the residential agreement, the ductless program, or maintenance needs for a commercial property.
Call (989) 474-2870 or contact us to choose a maintenance option and schedule service.
What Does it Include?
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Every Maintenance Check-Up Includes The Following:
- Check thermostat settings to ensure the cooling and heating system keeps you comfortable when you are home and saves energy while you are away.
- Tighten all electrical connections and measure voltage and current on motors. Faulty electrical connections can cause unsafe operation of your system and reduce the life of major components.
- Check and inspect the condensate drain in your central air conditioner, furnace andfor heat pump (when in cooling mode). A plugged drain can cause water damage in the house and affect indoor humidity levels.
- Check controls of the system inspect/change filter to ensure proper and safe operation. Check the starting cycle of the equipment to assure the system starts, operates, and shuts off properly.
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Cooling Specific
- Clean condenser air conditioning coils. Dirty coils reduce the system's ability to cool your home and cause the system to run longer, increasing energy costs and reducing the life of the equipment.
- Inspect and adjust blower components to provide proper system airflow for greater comfort levels. Airflow problems can reduce your system's efficiency by up to 15 percent
- Check your central air conditioner's refrigerant level and adjust if necessary. Too much or too little refrigerant will make your system less efficient increasing energy costs and reducing the life of the equipment.
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Heating SpecificCheck all gas (or oil) connections, gas pressure, burner combustion and heat exchanger. Improperly operating gas (or oil) connections are a fire hazard and can contribute to health problems. A dirty burner or cracked heat exchanger causes improper burner operation. Either can cause the equipment to operate less safely and efficiently. Regular inspection eliminates worry of carbon monoxide leaks.