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
Furnace issue: Added 15 gallons of water to the water feed tank, as ground loop pressure was at 0 psi. Customer said this fixed the problem.
Furnace maintenance: Cleaned flame sensor, condensate trap and drain lines. Inspected heat exchanger and air filter.
Sewer backup addressed. Inspected septic system due to toilets not flushing.
Ground loop pressure was at 0 psi. Added 15 gallons of water to feed tank, restoring pressure in the system.
Annual backflow test passed on 2 in Watts RPZ device. Results left with maintenance and will be submitted to municipalities.
Furnace ignition failure. Cycled power; inducer motor didn't start. Replaced faulty inducer motor to restore heating function.
Removed toilet to clear hard blockage in drain line, resolving clog. Augering alone was unsuccessful.
Clogged kitchen and bathroom sink cleared using 50ft cable. Hair removed from kitchen sink drain, restoring flow.
Connected new radiator to existing system. Used 3/4" to 1 1/2" fittings to adapt to existing pipe size.
Commercial furnace HVAC maintenance completed on RTUs and mini splits. Filter replacement deferred to a return visit.
Furnace not heating: Reprogrammed thermostat to correct settings. Unit was mistakenly running in cooling mode, now providing heat.
Inspected fire suppression system in shed near green tank for potential leaks. No issues found.
Tightened loose faucet locknuts to resolve multiple leak points.
Boiler control board not signaling to heat despite call. Board remains in standby; requires replacement.
Furnace reset after failing to start. Unit ran for 15 minutes, then shut off. Further diagnostics needed for intermittent issue.
Clogged drain repair: Rodded clogged kitchen sink drain line with 5/16 cable (50 ft.) to remove waste buildup.
Installed 18ft heat strip on mobile home's cold water line to prevent freezing. Insulated pipe and verified operation.
Clogged sewer line cleared via basement clean out. Tree roots caused blockage, removed by rodding with 3/4 cable.
Boiler control board not signaling heat demand despite call. Control board is faulty and needs replacement.
Boiler control board failed to signal the boiler for heat, leaving it in standby. Control board requires replacement.
Repiped A/C drain line with correct pitch, ensuring secure, glued joints. Resolved drain issue.
Performed furnace maintenance on 6 rooftop units and washed dehumidifier filters. Systems operating properly.
Camera inspection revealed a leak in the fire suppression line at 200 feet. Camera used in access hole created by fire service for water leak detection.
Replaced damaged cast iron pipe section with PVC, including fitting replacement. Restored proper drain function.
Installed a dedicated shutoff valve for the outdoor spigot. Previously, no shutoff existed. Provided plumbing repair for the residential plumbing.