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
Relit water heater pilot light, restoring proper function. Burner chamber inspected and found clean.
Replaced failing ejector pump with new LE51 unit, check valve, and fittings. Installed new venting through first floor and extended to attic to ensure proper wastewater drainage and system function.
Diagnosed furnace not heating; pressure switch faulty. New pressure switch ordered for furnace repair.
Replaced existing electric water heater with a new hybrid electric model. Adapted and adjusted waterlines for optimal function.
Identified first-floor office furnace not heating; second floor unit operational. Initial troubleshooting performed, including thermostat adjustment.
Diagnosed south warehouse heater with a failed fan motor causing overheating. Replaced motor to restore proper heating.
Drained and repressurized boiler system to resolve low water pressure and poor circulation, which prevented a heating loop from functioning.
Identified failed ejector pump for replacement. Missing vent line installation needed for proper plumbing system function.
Replaced kitchen sink strainer baskets with new deep dish units. Removed old tub & drain for plumbing repair.
Diagnosed **furnace repair** needed: Identified 2 heaters off, tripped safety limits, & multiple failed heating elements.
Diagnosed and cleared clogged vacuum line by removing cleanout at crossover point.
Furnace repair: Control board intermittently fails to send voltage to igniter, causing no heat. Replacement control board ordered, arrival expected Tuesday.
Water heater replacement completed due to leak from hot water dielectric. Paid in full.
Furnace repair: Intermittent control board failure; voltage not consistently supplied to igniter. Control board replacement scheduled for Tuesday. Call [Phone Number]
Replaced rusted dielectric union on recently installed (2024) water heater with new pipe and fitting. System drained down for plumbing repair.
Discussed plumbing maintenance options with customer. Blue Comfort Family plan selected.
Cleared clogged main sewer line (drain cleaning) via front door clean out, removing tree root blockage with 3/4" cable.
Installed new zone board for heat pump and furnace. Contact us with zone panel questions within 60 days.
Diagnosed kitchen faucet sprayer head malfunction. Temporarily repaired the sprayer head.
Replaced igniter and flame sensor on RTU 14. On RTU 13, replaced blower motor and gas valve. Pulley removal from the shaft required additional attention.
HVAC - Boiler, I found the boiler was not responding during a call for heat. No present/ past error codes being displayed.\CRAfter talking to tech support, I was told to reset the rollout switch on the burner manifold. I performed that step, and the boiler fired as intended. Boiler is now operating normally.
Replaced two toilets. Hallway bathroom toilet replaced due to unknown plumbing issue. Master bathroom toilet replaced as requested.
Fountain machine drain line backup addressed. Leak repaired.
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.