A clean and properly tuned unit will ensure reliable operation and improved efficiency. DURING YOUR ANNUAL HEATING SYSTEM TUNE UP WE WILL: - Vacuum the heating unit, - Replace the nozzle, filter and strainer, - Adjust burner & controls, - oil motor if necessary, - Perform an efficiency test, - Set-up burner and check oil line for leaks. Includes 1.5hrs labor. Most units take 1-1.5hr when cleaned yearly. Hot Water Heater cleaned same time as heating unit $59.95.