HVAC Repair, Plumbing, and More in Potomac IL
Since 2002, Lanz, Inc. has been providing exceptional residential and commercial services in Potomac, IL, and the surrounding areas. Whether you need AC repair, heating maintenance, or plumbing solutions, our team is here to help. We service all makes, models, and brands of equipment. We also offer expert underground solutions for all things sewer, water lines, and more! Our Comfort Family maintenance plans and financing options help you get the right system for your needs at the right price and keep it running at peak performance for years to come.
We pride ourselves on our honesty, integrity, and quality workmanship, which make us a leader in the Potomac, IL, area. Our staff has extensive knowledge, experience, and credentials, ensuring the job will be done right the first time. We offer flat rate pricing and a 100% satisfaction guarantee! Check out our 5-star reviews from your neighbors and contact us 24/7 at 217-394-1380 for all things HVAC and plumbing. What call anyone else?
Recent Jobs and Reviews in Potomac, IL
Potomac, IL at a glance
Lanz Plumbing, Heating & Cooling has completed 16 jobs in Potomac, IL between July 2023 and September 2026.
The most recent job was on September 23, 2026.
Lanz Plumbing, Heating & Cooling has completed 11 jobs in Potomac, IL in the last 12 months. The first job there was in July 2023.
Job Locations and Reviews
Replaced a leaking kitchen sink pop-up assembly with a new Delta assembly. Cleaned the sink and verified leak-free operation. Noted a damaged sink and misaligned wall drain pipe that may require future plumbing repair to prevent leaks.
Resolved a sewer backup by clearing root infiltration at the cast-to-clay pipe connection. Ran 80 feet of cable with an R4 cutter to restore flow to the septic tank. Diagnosed a leaking sink drain stopper gasket for future plumbing repair.
Inspected the main sewer line with a camera, finding no issues. Rodded the washer drain line to clear obstructions. Diagnosed persistent gurgling as an improper venting issue and recommended a licensed plumber evaluate the system.
Completed bathroom plumbing upgrades: installed customer-provided faucet with a new pop-up assembly and replaced the shower valve and trim kit. Adapted valve to existing pipes and tested all connections for leaks.
Performed AC diagnostic for severe refrigerant leak causing `AC not cooling`, identified by prior 9lb charge & UV dye application.
Conducted water sample test to investigate intermittent sewer odor in water, notably after snow melt, addressing a potential water quality concern.
Addressed boiler no-pressure issue. Replaced a plugged water inlet line to restore system pressure and function.
Investigated septic tank line for drain issue. Located two cleanout access points.
HVAC furnace repair: diagnosed fan motor humming, failed to start.
Found short in AC wiring caused low voltage fuse to pop on furnace control board. Disconnected AC 2-wire to isolate short, restoring furnace operation. AC will not function until repaired.
Replaced furnace flame sensor. Signal improved from 1.8 to 2.5 if, resolving the heating problem.
Diagnosed plumbing issue after access via bathroom wall. Pipe replacement needed for tub drain.
Using a motorized drain auger, I removed a large blockage from a sewage line. Carefully guided the auger into the pipe to break up and remove the blockage, creating a free channel for wastewater flow. A sewer camera was used as a follow-up examination to ensure that the obstruction was completely eliminated and the line was in good condition, allowing appropriate drainage to resume.
Conducted seasonal preventative maintenance on a Carrier 24ABC6 air conditioning system. Performed routine seasonal maintenance. Passed inspection upon completion.
Technician recently completed a job where they checked an outdoor unit, inverter, and boards, and found no errors. They checked amps and voltage and changed the filter. The technician also checked delta t and found that the unit is operating properly.
LOCATED THE SEWER LINE WITH A LOCATING MOLE FROM THE VENT ON THE ROOF LINE WAS FOUND 4'7" DEEP IN THE BACK YARD CUSTOMER WILL INSTALL CLEANOUT SO WE CAN RETURN AND CLEAN THE LINE
