Performed diagnostic on Carrier unit with April Aire 700 humidifier that had a cracked solenoid valve. Located replacement valve component despite customer's reported difficulty finding parts. Successfully replaced the damaged valve and conducted operational testing to confirm proper system function.
Diagnosed a 5-year-old Lennox AC unit with a failed compressor. Testing confirmed compressor windings shorted to ground inside the Copeland Scroll compressor. Warranty status is being verified and customer will receive a repair quote via email. Complete system inspection was not possible due to the inoperable condition of the equipment.
Performed routine tune-up on 18-year-old Lennox furnace. System is operating safely with good igniter and flame sensor condition, though showing signs of age with inducer pulling high amps, oil on blower motor, and some rusting on copper line. Combustion analysis confirmed proper operation with 87.2% efficiency. Recommended humidifier pad replacement.
Performed furnace tune-up on 1999 Comfortmaker gas furnace. Inspection revealed crack in heat exchanger "eyelid" and dangerous CO levels rising from 14 ppm to 41 ppm within 5 minutes of operation. Advised homeowner of safety hazard and recommended replacement; homeowner indicated they would address through Minnesota Home Insurance.
Diagnosed leaking 75-gallon power-vent water heater with no hot water output. Took measurements of clearance requirements for replacement unit and documented existing installation conditions. Recommended replacement water heater with expansion tank and coordination with HVAC technician regarding condenser relocation.
Performed complimentary tune-up inspection on an 8-year-old Goodman AC system at customer's request. Unit is currently functioning properly with approximately 7-12 years of expected remaining service life based on industry standards. Advised customer that while AC replacement isn't immediately necessary, replacing both furnace and AC simultaneously would be optimal to prevent potential water damage and maximize efficiency benefits.
Completed sold repair work on customer's 8-year-old furnace by removing an abandoned copper line from the gas tree and capping it off for safety, then replaced the flame sensor. System was fully tested after repairs and is now functioning properly with no issues.
Performed annual maintenance tune-up on 8-year-old Payne furnace. Cleaned dirty flame sensor and identified uncapped gas line from previous appliance removal posing safety hazard. All other components in good working order including igniter, heat exchanger, combustion, gas pressure and temperature rise. Scheduled return visit to replace flame sensor and cap gas line.
Returned to customer's location to address low water pressure issue in first-floor lavatory faucet, which was caused by resin beads from previous water softener installation clogging the aerator. Removed and cleaned aerator, restoring proper water flow.
Successfully installed a new 50-gallon Bradford White atmospheric water heater to replace the customer's existing unit. Completed all necessary piping connections, including proper venting and water supply lines, and confirmed the system is functioning correctly with no leaks.
Responded to low water pressure complaint in residence on city water supply. Inspection revealed mineral buildup in fixtures and potential connection to ongoing roadwork in the area. Advised customer to contact city utilities department and check with neighbors about similar issues. Bypassed water softener system to isolate potential internal restriction point. Recommended monitoring pressure levels as city work progresses.
Responded to customer complaint of sulfur odor from hot water system. Inspected Rheem water heater and diagnosed issue as deteriorated anode rod. Performed service including anode rod replacement and complete tank flush to eliminate odor-causing bacteria. Evaluated existing water softener which was experiencing frequent salt bridging issues; recommended replacement with cabinet-style unit including sediment filter to prevent future mineral buildup in water heater. Customer opted for water heater maintenance now with water softener installation to follow.
Installed new customer supplied ABS sch40 P-trap onto existing garbage disposal. Tested as required.
