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  • Over 50 Years of Experience
  • Same Day Service
  • Fixed Right Guarantee
  • After Hours Service Available

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Annual Fixed Right Guaranteed® HVAC System Tune-Up: Why AC Maintenance Matters

The Fixed Right-Guaranteed® is a promise Davis Air Conditioning & Heating, Inc. extends to each and every one of our valued customers. It means that we will provide finest HVAC systems and top-quality services and repairs on every job. Because we carry heating and air conditioning systems that are up to ACCA Quality Assurance guidelines and adhere to the technician training requirements outlined by The North American Technician Excellence, the Fixed Right-Guaranteed® is a promise our air conditioning installation company can keep every time.

Our HVAC Maintenance Process

Step 1: Comprehensive Multi-Point System Inspection

Our professional team begins every tune-up with a thorough inspection using a detailed maintenance checklist. We examine both indoor and outdoor components to detect early signs of wear and tear, ensuring your hvac system operates safely and reliably before extreme weather hits.

Step 2: System Cleaning & Airflow Optimization

Accumulated dust and debris drastically reduce cooling efficiency and strain your equipment. During this stage, we clean condenser coils, wash drain lines, and replace air filters to boost energy efficiency and restore optimal airflow throughout your home.

Step 3: Electrical & Mechanical Component Tuning

Proper unit maintenance requires precise mechanical adjustments. Our technicians tighten electrical connections, measure motor voltage, check refrigerant levels, and lubricate moving parts to extend the overall system lifespan and preserve the life of your ac system.

Step 4: System Calibration & Performance Testing

We complete our maintenance services by testing your thermostat and running your equipment through a full operational cycle. Verifying precise temperature differentials ensures your cooling system delivers consistent comfort while maintaining peak operational performance.

Frequently Asked Questions About HVAC Maintenance

How Often Should I Schedule HVAC Maintenance with a Professional Contractor?

Proactive ac maintenance matters for every homeowner. You should schedule system maintenance twice a year—once in the spring for your ac systems and once in the fall for your heating equipment—to protect your investment and prevent unexpected ac breakdowns.

How Does Regular Tune-Up Service Help Me Avoid Costly AC Repairs?

Investing in regular ac maintenance allows technicians to catch worn parts and minor electrical issues before they escalate. Addressing a small cooling problem early prevents severe damage, saving you money on major ac repairs and avoiding stressful emergency repairs during peak season.

Will Skipping Annual HVAC Maintenance Void My Manufacturer Warranty?

Yes, most major manufacturers require documented annual service to keep warranties active. Skipping routine care can invalidate your coverage, leaving you fully responsible for unexpected replacement costs if critical components fail.

What Is Included in Your Fixed Right Guaranteed Maintenance Service?

Our comprehensive service covers every essential check required to keep your system in top condition. Customers who enroll in our ac maintenance plans receive a complete multi-point inspection, thorough cleaning, performance calibration, and guaranteed satisfaction to ensure long-term comfort and efficiency.

Cooling System Tune-Ups: Prevent Unexpected AC Repairs & Breakdown Costs

Indoor Section

Inspect* and/or Inspect the following:

  • Inspect* Thermostat calibration
  • Filters – inspect* clean or dirty.
  • Blower Assembly – inspect* clean, dirty, balanced, & integrity.
  • Blower Motor – inspect* amperage, oil if applicable and accessible; if not accessible quote fee for removal.
  • Main Drain – purge w/nitrogen; install algaecide tablets into main pan.
  • Secondary Drain – inspect* pan free of debris & integrity.
  • Evaporator and Main Drain Pan (if accessible) – inspect* clean or dirty.
  • Ducts-visual inspect* for leakage & integrity.
  • Line voltage wiring connections-inspect and tighten as required.
  • Low voltage wiring connections- inspect and tighten as required.
  • Check operation of Zone Control System, if applicable.

Outdoor Section

Inspect* and/or Inspect the following:

  • Contactor-inspect* voltage and integrity.
  • Condenser coil-perform Stage 1-Chemical Clean with biodegradable cleaner.
  • Condenser cabinet-brush wash and rinse.
  • Condenser fan blade-inspect* balance & integrity.
  • Condenser fan motor-inspect* amperage, oil if applicable and accessible; if not accessible quote fee for removal.
  • Compressor-inspect* amperage (compare to nameplate).
  • Capacitors-inspect* performance to rating.
  • Check high and low voltage connections, tighten as required.

Performance Test
  • Check refrigerant charge which includes: Measure* temperature drop across indoor coil, superheat value and sub-cooling value as recommended by manufacturer.

Heating System Maintenance & All-Season Protection Against Costly Repairs

Furnace Section

Inspect high and low voltage electrical circuits:

  • Inspect* thermostat for calibration
  • Inspect* heating anticipator at thermostat
  • Inspect* and tighten all high and low voltage heating electrical circuits at furnace

Fan Section

Inspect Fan Controls for proper operation:

  • Inspect* fan controls that work in conjunction with heat cycle

Operating Section

Inspect* to confirm furnace is firing off and venting in a safe manner and is operating at peak efficiency:

  • Inspect* for inlet gas supply line leaks
  • Inspect* inlet and manifold gas pressures
  • Inspect* thermocouple or electronic ignition assembly
  • Inspect* for proper burner combustion and that flames waver or roll out condition does not exist
  • Inspect* and adjust temperature rise across heat exchanger
  • Inspect* heat exchanger integrity to ensure a separation of the products of combustion and conditioned air
  • Inspect* to ensure that the products of combustion are properly venting to outdoors
  • If condensing furnace, inspect* condensate drain and trap and inlet air screen

Electric Heat System

Any of the above that apply will be performed in addition to the below:

  • Inspect* fan controls that work in conjunction with heat cycle
  • Inspect* and tighten all high and low voltage heating electrical circuits.
  • Inspect* that all heating elements are functioning to rated capacity.
  • Inspect* and record voltage and amps of heating elements.
  • Inspect* breaker for proper sizing.

Performance Test
  • Perform final measurement of temperature rise across heating assembly to confirm that it meets the manufacturer’s specifications.
* Maintenance or repair of inspect or measure items is not included in the base cost.
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Davis Discount Club Members receive a 2-year limited parts and labor warranty on all HVAC System repairs providing repairs are made as a member and membership has remained continuously up to date and current.

All of these services are offered to our Davis Club members on top of the already outstanding 2 to 12-year parts and labor warranty included with every new Davis HVAC system. The Fixed Right-Guaranteed® and Annual Fixed Right Guaranteed HVAC System Tune-Up® are simple promises backed by the integrity of a company of expert heating and air conditioning services and repairs in business since 1971.

Why Choose Us

Over 50 Years of Experience

Fixed Right Guarantee

After Hours Service Available

Same Day Service

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