1.) Visually inspect/clean outdoor condensing unit
2.) Replace/repair refrigerant line insulation where necessary
3.) Check for signs of refrigerant leaks on service valves
4.) Run system to check fan motor & compressor operation
5.) Connect gauges to check & adjust pressures
6.) Check/adjust Superheat (or Subcooling with TX valve systems)
7.) Inspect fan coil and blower operation
8.) Inspect/repair accessible air leaks and restrictions in air ducts
9.) Clean Evaporator coil with coil cleaner
10.) Check/change air filter
11.) Inspect condensate line and trap for leaks and/or restrictions
12.) Check Thermostat for proper operation
13.) Check condensate and overflow trays for cracks or leaks
14.) Read and record delta T, Sub cooling and system pressures.

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Servicing:  Arlington MA - Belmont MA - Bedford MA - Burlington MA - Billerica MA - Carlisle MA - Chelmsford MA - Concord MA - Lexington MA - Lynnfield MA - Malden MA - Medford MA - Melrose MA - North Reading MA - Reading MA - Stoneham MA - Tewksbury MA - Wilmington MA - Wakefield MA - Waltham MA - Watertown MA - Winchester MA - Woburn MA -