Maintenance Program in Fresno and Madera, CA
Keep your home’s comfort system running smoothly all year with the Ultimate Service Agreement from Purl's Sheet Metal & Air Conditioning. Homeowners in Fresno, Madera, and throughout the Central Valley rely on their HVAC systems to beat the summer heat and stay cozy in winter. Our maintenance program helps make that reliability possible.
With our Ultimate Service Agreement, you receive two precision tune-ups per year, priority scheduling, discounted repairs, and no overtime charges. Regular maintenance not only extends the life of your system but also improves efficiency and lowers your energy bills. Our trusted team is here to make HVAC upkeep simple, affordable, and stress-free—so your comfort is never in question.
Contact us today to sign up for the Ultimate Service Agreement and enjoy the best in comfort, savings, and reliability.

Ultimate Service Agreement
USA Includes:
- Two seasonal tune ups every year
- Multi–Point Inspection
- Preferred Customer Status
- Discounts on repairs and upgrades
- 5 year warranty on all repairs made by Purl's Sheet Metal & Air Conditioning
- NATE Certified Technicians
- Lowered Utility Bills
- Extended Equipment Life
- Convenient Scheduling ...We call you!
How many years have you run your furnace or A/C without having a professional look at it? The multi–point inspection is a key feature that allows our technicians to service and inspect your HVAC system to maintain its efficient operations. At Purl's Sheet Metal & Air Conditioning, our technicians are NATE certified, (North American Technician Excellence), so you can be confident that their knowledge and training meets or exceeds industry standards.
Air Conditioning Maintenance
- Check and clean indoor air filter
- Check contactor for wear
- Check capacitor
- Check time delay
- Check & clean outdoor condenser coil
- Inspect indoor evaporator coil
- Inspect evaporator metering device
- Check compressor start & run amp draw
- Check for proper line & low voltage at A/C
- Check all line voltage electrical connections
- Check condenser fan motor running amperage
- Check and oil outdoor fan motor if applicable
- Check suction and liquid line temperature
- Verify proper refrigerant charge
- Verify indoor & outdoor temperatures
- Check A/C temperature split
- Inspect indoor blower
- Check & clean condensate pan & flush condensate line
- Check indoor thermostat for proper operation
- Explain any repairs that may be needed
Heater Maintenance
- Check & clean indoor air filter
- Check indoor blower
- Check indoor blower motor running amperage
- Inspect furnace flue pipe
- Inspect furnace heat exchanger
- Inspect furnace combustion air
- Check for proper voltage at furnace
- Check furnace inducer motor operation
- Inspect furnace thermocouple & pilot generator
- Inspect furnace ignition operation
- Inspect & clean furnace flame sensor
- Inspect furnace gas valve
- Check furnace gas pressure
- Inspect furnace pressure switch
- Check indoor thermostat
- Inspect accessible incoming gas line
- Inspect furnace condensate drain lines
- Check furnace safety limits
- Explain any repairs that may be needed