Unit cleaned.... pressure/temperature check... outside temperature too low to know if unit needs refrigerant only a 2degree super heat ... refrigerant would need to be checked when there is a heat load.
I found outdoor unit is not going into defrost mode as it should. I found the defrost board is not working properly and the board will need to be replaced for unit to perform properly and efficiently.
Performed a few maintenance items, unit is working properly.
Performed our special 34 point Summer seasonal tuneup on 3 Lennox AC system. Unit working and cooling.
Called out gave free estimate of a new Lennox EL16 complete system. Customer was happy AC was cooling.
Called out to give free estimate on a Installation of a new 2-1/2 ton recommended Lennox complete system.
Called out gave free estimate, a rusted auxiliary drain pan and a bad control board was replaced.
Giving a customer a quote on a new system, . Inspected the complete system and gave customer a quote on a new 4 ton Lennox two speed, 16 seer system after completing a manual J heat load calculation that measures the exact size system needed for the home based on windows, doors, insulation, and even the direction the home faces. Converted the old r-22 refrigerant to the new 410
Summer maintenance on a 1 year old Lennox hvac system. That we installed for them last spring also changed the filter at no charge for having a Summer Maintenance Agreement with Chrome Air Conditioning
Ran diagnostic on customers residential Lennox system and found that the fresh air damper was not working properly and replaced.
Residential service call on a Nordyne system, customer says the heat is not working. Replaced batteries in thermostat and all is working well.