Trusted Plumbing, Heating & Cooling, in Danville, IL
When it comes to reliable home comfort, Lanz Plumbing, Heating & Cooling is the name Danville residents trust. For over 20 years, our licensed technicians have provided professional plumbing, HVAC, drain, and underground solutions backed by quality workmanship and friendly service. From emergency repairs to new system installations, we’re here to keep your home safe, comfortable, and efficient year-round.
Call 217-394-1380 or contact us online to book your next service in Danville, IL.
Plumbing Repair & Installation in Danville, IL
Your home’s plumbing system deserves expert care. Lanz offers comprehensive plumbing services in Danville designed to prevent leaks, improve efficiency, and extend the life of your fixtures.
Our plumbing services include:
- Fixture Installation & Replacement – Stylish, water-efficient upgrades for faucets, sinks, and toilets.
- Water Line & Repiping Services – Replace aging or corroded lines to restore strong, clean water flow.
- Sump Pump Installation & Backups – Protect basements from flooding with reliable Liberty sump pumps and alarms.
Whether you’re remodeling or dealing with an urgent leak, call Lanz for fast, dependable plumbing help in Danville.
Stay Warm All Winter With Heating Services in Danville, IL
Illinois winters can be tough, but Lanz makes it easy to stay cozy. We provide full-service heating installation, repair, and maintenance to keep your furnace or boiler performing at its best.
Our heating experts specialize in:
- Furnace Repairs & Replacements – Get fast, affordable heating solutions for every home and budget.
- Boiler Service & Upgrades – Improve efficiency and reduce heating costs with expert boiler care.
- Heat Pump Installation – Year-round comfort with high-efficiency electric systems.
- Seasonal Maintenance Plans – Prevent breakdowns and keep your system running safely all winter.
For dependable heating service in Danville, IL, call 217-394-1380 today.
Cooling & Air Conditioning Services in Danville, IL
When summer heat strikes, trust Lanz for cooling repairs and AC installations that keep your home comfortable and energy-efficient.
Our certified HVAC team provides:
- Air Conditioning Repair & Maintenance – Quick response to restore cool air fast.
- AC Installation & Replacement – High-efficiency systems professionally installed for your home’s needs.
- Ductless Mini-Split Systems – Zoned comfort ideal for older homes or room additions.
- Smart Thermostat Setup – Maximize efficiency and control from anywhere.
We’re proud to be Danville’s go-to choice for reliable air conditioning service and repair.
Drain & Sewer Solutions in Danville, IL
Clogged drains and sewer backups can cause serious headaches. Lanz delivers fast, professional drain cleaning and sewer repair in Danville using advanced equipment for lasting results.
Our sewer services include:
- Sewer Camera Inspections – Identify cracks, roots, or buildup without excavation.
- Sewer Line Repair & Replacement – Trenchless methods minimize disruption to your yard.
Restore your drains and protect your home with Lanz’s expert sewer and drain services.
Underground Solutions in Danville, IL — Safe, Efficient, and Long-Lasting
From pipe replacements to water service upgrades, Lanz offers professional underground plumbing solutions built to last. Our team uses the latest technology to minimize digging, protect your property, and ensure reliable results.
We specialize in:
- Water Service Replacement & Repair – Fix leaks or corrosion in buried lines quickly and safely.
- Sewer Line Installation & Trenching – Durable, properly sloped systems that meet local Danville codes.
- Excavation & Site Prep Services – Safe and efficient digging for utilities, foundations, and drain fields.
- Directional Boring & Trenchless Pipe Repair – Non-invasive methods that preserve landscaping and pavement.
If your Danville home or business needs underground plumbing work, Lanz’s experienced technicians are equipped for any challenge.
Water Heater Installation & Service in Danville, IL
Don’t settle for inconsistent hot water. Lanz installs, repairs, and maintains both tank and tankless water heaters in Danville.
Our plumbing experts handle:
- Water Heater Replacement & Repair – Reliable hot water restoration with energy-efficient options.
- Tankless Water Heater Installation – Endless hot water and long-term savings.
- Water Filtration & Softener Systems – Improve water quality and protect your appliances from buildup.
Ask about our free estimates and maintenance plans to extend your system’s lifespan.
Indoor Air Quality Services in Danville, IL
Breathe easier with clean, healthy air. Lanz provides custom indoor air quality solutions to reduce allergens, control humidity, and eliminate odors in your Danville home.
We offer:
- Whole-Home Air Purifiers & Filters – Capture dust, pollen, and airborne bacteria.
- Dehumidifiers & Humidifiers – Balance moisture levels for year-round comfort.
- Duct Cleaning – Improve airflow and reduce energy waste.
Protect your family’s comfort and health with Lanz’s IAQ experts.
Commercial HVAC & Plumbing Services in Danville, IL
Local businesses trust Lanz for dependable commercial HVAC and plumbing support. Our skilled technicians deliver responsive service and tailored maintenance programs to keep your operations running smoothly.
Commercial services we offer:
- Preventive maintenance for large facilities
- Boiler and rooftop unit repairs
- Commercial drain cleaning and sewer repair
- Design-build installation for new construction projects
We proudly support Danville businesses with solutions that keep comfort systems efficient and reliable year-round.
Experience the Lanz Difference in Danville, IL
From homes on Vermilion Street to businesses downtown, Lanz Plumbing, Heating & Cooling is proud to serve the Danville community with honest service and dependable results. Whether it’s plumbing, HVAC, or underground solutions, our mission is simple — your comfort, your safety, and your satisfaction.
Call 217-394-1380 or contact us online to schedule service and experience The Lanz Difference in Danville, IL today.
Recent Jobs and Reviews in Danville, IL
Job Locations and Reviews
Removed 4" cast iron pipe and connected PVC to existing plumbing. Tied into PVC down to cast iron clean out.
Furnace maintenance: Burner assembly pulled and cleaned. Comfort Family membership activated.
Commercial furnace HVAC maintenance complete on RTUs and mini splits. Filter replacement deferred due to access; will reschedule.
Replaced blower motor capacitor on furnace. Motor now running after failed capacitor replacement.
Commercial HVAC maintenance done on RTUs and mini splits. Filter replacement postponed; return visit needed.
Lab A/C systems checked after cooling complaints. Found one RTU system not functioning, causing low temperature (63°F). Further diagnostics required.
Cabled clogged drain repair for washer and kitchen sink lines; 50' of 5/16" cable used to clear blockage from kitchen sink, which was backing up into washer line.
Tankless water heater was flashing flame loss code. Clogged fresh air filter was cleaned of debris to resolve the issue.
Replaced boiler's faulty gas valve and thermocouple. New valve now keeps pilot open, restoring heating function.
Furnace not heating; system blew cold air. Heat pump activated in check charge mode.
Commercial furnace maintenance: Found A/C unit connected to furnace 1 running constantly, even when disconnected. Investigating cause of continuous operation.
Freed furnace inducer motor; debris was preventing proper operation. Motor now spinning freely.
Mitsubishi A/C systems not cooling, displaying miscommunication error 7102 EF. High voltage adequate, indicating deeper control board issue.
Commercial furnace maintenance completed. Furnace 3 blower capacitor replaced due to low reading (4.4/7.5) to ensure proper airflow. All other systems checked.
Replaced blower capacitors in west attic and basement furnaces. Performed general heating maintenance on all 4 commercial furnaces.
Commercial furnace HVAC maintenance performed; system operating within normal parameters. No components required replacement or adjustment.
Cleared mini split condensation line with swoosh gun. Drain now open and flowing. Informed maintenance.
A/C blower ran constantly. Diagnosed the issue and resolved the continuous operation.
Replaced customer's dishwasher and rebuilt kitchen sink drains, removing old garbage disposal.
Installed new hybrid electric water heater, adapting waterlines. Drained and removed old unit.
Clogged drain repair: Rodded 4" PVC cleanout with 3/4" cable and 4" cutter, running 120'. Post-cleaning camera revealed tree roots. Line opened.
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.