Maintenance Plans

What a Central Air Conditioning Tune-Up Includes

A spring cooling visit focuses on the parts that fail most often in a Long Island heat wave. The technician cleans or rinses the outdoor condenser coil, checks the fan motor and blade, and tests the run capacitor and contactor, which are the most common no-cool failures. Refrigerant pressures, superheat and subcooling are measured to confirm the system is charged correctly; a low charge always means a leak, and we will tell you if we find one rather than simply topping it off.

Indoors, we check the evaporator coil, clear and flush the condensate drain and test any overflow safety switch, which matters for air handlers in attics. We check the filter, blower and airflow, look over the duct connections we can reach, and confirm the thermostat is controlling the system properly. If something needs repair, you get a clear explanation and a price before any work is done. For problems between visits, see AC repair. Our article on what we do in an AC tune-up goes through each step and the readings you should get, and why your HVAC warranty might already be void explains why documented annual service matters for coverage.

What a Furnace Tune-Up Includes

Gas furnaces are checked for safe, clean combustion: we inspect and clean the burners and flame sensor, test the igniter, check gas pressure and confirm the inducer motor, pressure switch and limit switches work as they should. We look at the heat exchanger for signs of cracking, check the venting and draft, and test for carbon monoxide around the appliance. High-efficiency furnaces also get their condensate trap and drain cleared, a common cause of mid-winter lockouts.

Oil furnaces get a new nozzle and oil filter, a cleaned burner, and a combustion adjustment so they burn cleanly and do not soot up. On every furnace we check the blower, belts or motor, the filter and the thermostat. If your furnace is older and needs frequent repairs, we will give you an honest repair-or-replace view; see heating repair and heating installation.

What a Boiler Tune-Up Includes

Hot-water boilers feeding baseboard or radiators are common across western Suffolk and eastern Nassau. A fall boiler visit checks system pressure and the expansion tank, tests the relief valve, and looks at circulator pumps and zone valves, which are the usual causes of cold rooms. We bleed air where it is trapped and check the low-water cutoff and controls.

Oil boilers get the same burner service as oil furnaces: nozzle, filter, electrodes, combustion test and a check of the chimney connection. Gas boilers are checked for ignition, flame and venting, and condensing boilers have their condensate drain and neutralizer checked. Steam boilers also get their sight glass, low-water cutoff and pressure control checked, and we look for the pipe-pitch problems that cause banging.

What a Heat Pump and Mini-Split Tune-Up Includes

Heat pumps run in both seasons, so they benefit from a visit before winter and another before summer. We clean the outdoor coil, check the fan, capacitor and contactor, measure refrigerant performance in heating or cooling mode, and test the defrost cycle that keeps the outdoor coil clear of ice in winter. The outdoor unit should sit above typical snow depth with defrost water draining away from walkways, and we point out anything that needs attention.

On ductless mini-splits, the indoor heads collect dust and moisture. We clean the filters, coil and blower wheel, a common cause of weak airflow and musty smells, and check the condensate drain. Ducted heat pumps get the same filter, blower and duct checks as a central air system.

Spring or Fall: When to Schedule

Book cooling maintenance in spring, before the first stretch of hot, humid weather, and heating maintenance in early fall, before the heat goes on for the season. The first heat wave and the first cold week bring a rush of calls; a system checked a few weeks earlier is far less likely to be one of them, and parts are easier to get.

Heat pumps and mini-splits do both jobs, so they should be checked twice a year. Boilers and furnaces only need the fall visit, and a cooling-only air conditioner only needs the spring visit, unless you are on a plan that includes more. Homes near the water benefit from an extra rinse of the outdoor coil during summer to wash off salt.

How K2 Maintenance Plans Work

A maintenance plan turns yearly service into something you do not have to remember. You choose a plan above; each plan lists what it includes, such as the number of tune-ups, priority scheduling and the repair discount that applies. Some plans also cover parts and labor for common repairs, as described on each plan. We contact you when your visits are due and book them at a time that suits you.

Plan members get priority scheduling, which matters most in the first heat wave or cold snap when demand is highest. Keeping a record of yearly service also helps when you make a manufacturer warranty claim, since many manufacturers expect equipment to be maintained, and it gives a buyer confidence if you sell your home. For details on what each plan covers and excludes, open the service contract terms below the plans or call (631) 414-7141.

Maintenance and Indoor Air Quality

A tune-up is also a good time to look at the air in your home. We can check filter sizing and rating, humidity levels and duct leakage, and recommend changes if someone in the home has allergies or you notice dust, dryness in winter or musty smells in summer. See indoor air quality for the options.