Preventive maintenance for HVAC systems is a cost-effective way to ensure your home comfort system operates efficiently and reliably throughout every season. Denillo Heating & Cooling offers tune-ups and annual maintenance agreements to keep your equipment in tip-top shape in Bethel Park, Bridgeville, Canonsburg, Homestead, Pittsburgh, South Park, Venetia, PA, and the surrounding areas.
Silver Service Agreement
- Fall Furnace Performance Inspection Tune-Up (includes carbon monoxide testing)
- Extended one-year warranty on replacement parts
- Instant 15% discount on furnace and air conditioning parts.
- No diagnostic fees on equipment covered under this agreement
Gold Service Agreement
- Spring AC Precision Tune-Up
- Fall Furnace Performance Inspection Tune-Up (includes carbon monoxide testing)
- Extended one-year warranty on replacement parts
- Instant 15% discount on furnace and air conditioning parts.
- No diagnostic fees on equipment covered under this agreement
AC Precision Tune-Up 25-Point Inspection
- Inspect the outdoor unit for the proper refrigerant level and adjust as needed.
- Clean dirt, leaves, and debris from inside the cabinet.
- Inspect base pan for restricted drain openings. Remove obstructions as necessary.
- Inspect the coil and cabinet. Clean as needed.
- Inspect the fan motor and fan blades for wear and damage. On older models, lubricate as needed.
- Inspect the control box, associated controls and accessories, wiring, and connections.
- Inspect the compressor and associated tubing for damage.
- Inspect blower assembly (includes blower housing, blower wheel, and motor).
- On older models, lubricate the motor and inspect and replace the fan belt, if needed.
- Inspect evaporator coil, drain pan, and condensate drain lines.
- Check the air filter.
- Inspect conditioned airflow system (ductwork). Check for leaks.
- Inspect thermostat.
- Monitor system starting characteristics and capabilities.
- Listen for abnormal noise.
- Search for the source of unusual odors.
- Monitor the air conditioning and system for the correct refrigerant charge.
- Measure outdoor dry bulb temperature.
- Measure indoor dry- and wet-bulb temperatures.
- Measure the high- and low-side system pressures.
- Measure temperature rise and adjust airflow as needed.
- Check the venting system for proper operation.
- Monitor system for correct line and load (volts and amps).
- Monitor system operation in accordance with the manufacturer’s specifications.
- Provide system operation report and recommend repairs or replacement, as necessary.
Fall Furnace Performance Tune-Up 25-Point Inspection
- Clean and check the gas burners.
- Check and clean the pilot tube.
- Check the ignitor for proper resistance and function.
- Clean the flame sensor.
- Check the blower motor amps and speed.
- Evaluate the temperature rise.
- Inspect the heat exchanger for cracks.
- Check for proper combustion.
- Clean out and inspect the pressure switch tubing.
- Evaluate the pressure switch operations.
- Ensure the flue gases are vented properly.
- Test all limit and roll-out switches.
- Inspect the gas pipe plumbing.
- Check the manifold gas pressures.
- Check for gas leaks around the furnace.
- Light the pilot and check the thermocouple, if required.
- Inspect all of the cabinet wiring.
- Set the heat anticipator on the thermostat, if required.
- Check the pilot safety thermocouple (electronic ignition).
- Ensure there are no code violations.
- Check the safety interlock switch.
- Test the combustion fan motor and check amps.
- Ensure there is sufficient combustion air.
- Inspect the duct system.
- Perform a carbon monoxide test.