HVAC Repair, Plumbing, and More in Danville IL
Since 2002, Lanz, Inc. has been providing exceptional residential and commercial services in Danville, 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 Danville, 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 Danville, IL
Job Locations and Reviews

Cleared mop sink drain blockage; removed significant waste buildup from grate to restore proper drainage.

HVAC - A/C Problem, Tech arrived and found the units thermostat controls were trying to average the temp space between the conditioned area and the control panel in the r Relocated thermostat to conditioned space, resolving temperature averaging issue. A/C now functioning correctly.

Replaced faucet cartridges in women's bathroom due to drip; however, faucet body is chipped. The brass chip in faucet body is causing the leak.

Commercial furnace maintenance: Cleaned burners and inspected electrical components (amps/strips) on all units as needed.

Recommended plumbing repair: Increasing condensate drain size to improve drainage for multiple machines.

Replaced Navien unit due to heat exchanger delay. New service valves, pipe, and fittings installed. Recommended follow-up.

Clogged drain repair: Cleared slow-draining & leaking cup drain under pop machine using Swoosh gun.

Water heater repair: Cleaned burner, ignition switch, and flame rod; unit now producing hot water. Reset switch activated.

Replaced old water heater with new State 40-gallon model, expansion tank, and piping. Water shut off and restored.

Advised customer on using the 'hold' function to operate the programmable thermostat as a non-programmable unit.

Tankless water heater displaying flame loss code. Incoming air filter heavily clogged; cleaned debris to resolve the issue.

No codes retrieved from the water heater due to recent reset. Requested the customer refrain from resetting before next tech arrival.

Quoted 40-gallon short gas water heater. Inspected sump pumps in crawlspace; recommended leveling due to crooked basins.

Cleared concrete slurry blockage from mop sink drain using cabling. Verified proper drainage.

Sewer odor investigation: Accessed 4" sewer line via existing 2" basement floor drain. Camera inspection performed.

A/C low on refrigerant. Added refrigerant to proper levels & refrigerant dye. Recommended refrigerant caps to prevent future leaks.

Replaced washer valves and sink filter valve. Installed lavatory faucet drain assembly related to previous job.

Provided quote to replace galvanized kitchen sink pipe with PVC, connecting to existing PVC.

Kitchen faucet repair: Tightened loose spray hose connection and inspected gaskets to resolve water leak.

Cleared main sewer line blockage (scale buildup) with 3/4" cable and cutter, running 120ft. Verified proper drainage.

Clogged drain repair: Rodded 3-bay sink floor drain with 5/16" cable (50 ft). Drain now flowing.

Clogged drain repair: Cleared main sewer line (120ft) with 3/4 cable and root cutter after accessing through toilet. Root blockage removed.

A/C low on refrigerant. System charged to proper levels and refrigerant dye added. Recommend replacing missing refrigerant caps.

Replaced diaphragm vacuum breaker and internal parts using a urinal fish valve repair kit to fix urinal leak. Operation verified.

A/C low on refrigerant. Added refrigerant to proper levels and injected dye to aid in future leak detection. Refrigerant caps missing.