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
Performed drain cleaning by rodding the scaled basement floor drain to restore flow. Jetted exterior downspouts, identifying damaged underground tile pipes on the west/northwest sides. Recommended pipe replacement to resolve these issues.
Verified crawlspace sump pump is functioning properly. Completed HVAC maintenance on the split system and ductless mini-split. Cleaned and tested components, confirming optimal cooling performance with a healthy 20-degree temperature split.
Replaced the control board and a failed transformer to restore low voltage to the safety circuit. Identified loose blower belts and a faulty condenser fan motor during troubleshooting. Provided quotes for remaining AC service repairs.
Diagnosed geothermal unit not cooling. Repaired burnt emergency heat wires and bypassed a faulty control board to check refrigerant pressures and burp the circulating pump. Power left off pending a quote for control board replacement.
Replaced 16x25x5 filter, verified system voltages, and cleaned the condenser coil of roof debris during routine HVAC maintenance. Flushed the water heater to prevent sediment buildup and ensure efficiency.
Cleared a clogged condensate drain on a leaking mini split. Blew out the obstruction and tested the drain pan with water to ensure proper flow and prevent future water leaks, restoring reliable cooling.
Replaced belts and fan motor, then diagnosed a shorted condensing fan motor causing the system to overheat and shut down. Installed a new condensing fan motor to restore reliable, continuous cooling.
Completed plumbing maintenance: flushed water heater, checked burner, and verified water pressure and shutoff valves. Noted a leaking faucet in the master bathroom on the cold side, to be replaced during the next plumbing repair visit.
Resolved AC not cooling by replacing a missing capacitor and contactor, reconnecting outdoor unit wiring, and washing the condenser coil to restore efficient air conditioner operation.
Replaced dirty HVAC air filters during an AC service to resolve poor airflow and improve indoor air quality.
Resolved poor airflow and uneven cooling by replacing dirty air filters. This restored proper air distribution from the furnace to the rest of the home, bringing register temperatures down to a cool 51-53°F.
Replaced a failed sump pump with a new Liberty pump and repaired the cracked plumbing pipe to ensure proper basement drainage and prevent water intrusion.
Tested the 3rd RPZ backflow preventer on the west side building's irrigation system. The device passed the annual inspection. Left a copy of the results with the customer and submitted the compliance report to the municipality.
Replaced toilet seat to meet code regulations and resolved faucet leak by replacing failed cartridges. Inspected a slow-draining sink and recommended professional drain cleaning to rod the line.
Replaced a faulty shower valve with a new Delta valve and matching trim kit to restore reliable water flow and temperature control as part of a bathroom plumbing repair.
Replaced air filter, checked electrical readings, refrigerant pressures, and temperature splits during HVAC maintenance. Noted a cracked outdoor unit pad and provided quotes for its replacement and a new toilet installation.
Traced and located an 8-inch clay tile storm line using a camera inspection. Marked the path of travel at a depth of 4'7" to establish a baseline for installing a new storm drain to resolve lot flooding issues.
Replaced the air filter and cleaned the outdoor condenser coil during routine HVAC maintenance. Tested electrical voltages, refrigerant pressures, and supply/return temperatures to ensure peak efficiency and cooling performance.
Investigated backup by rodding sink and shower drains. Cleared sink, but found root infiltration and blockages in the shower lines. Dye testing suggests a separate clogged drain; referred to the underground team for sewer line repair.
Changed air filter, verified return and supply temperatures, and tested static and refrigeration pressures during HVAC maintenance. Inspected indoor/outdoor voltages and amps. Systems operating normally; plumbing check postponed by customer.
Rodded backed-up kitchen sink line to investigate leaking pipes. Located a line break approximately 8 inches deep using a camera. Scheduled a follow-up to provide a quote for kitchen sink line replacement.
Resolved toilet clog by pulling toilet and camera inspecting. Removed dissolving bowl cleaner residue using an auger and vacuum. Adjusted stuck flapper chain and reinstalled toilet with new stool bolts and a jumbo wax ring.
Completed HVAC maintenance by replacing the air filter and testing static pressures, return/supply temperatures, electrical voltage/amperage, and refrigerant levels. All components are operating efficiently with normal readings.
Cut out leaking drain pipes on a 3-compartment sink. Replaced all three lever drains, installed a new gasket, nut, and putty, and ran two new separate drains. Verified leak-free operation for a reliable plumbing repair.
Completed HVAC maintenance by replacing filters and testing electrical voltage, static pressures, and refrigerant levels. Conducted plumbing inspection, verifying water pressure (60 psi), temperature, and toilet/sink shut-off valves.