Trusted Heating, Cooling, Drain, and Underground Plumbing Experts in Mahomet, IL
Homeowners in Mahomet, IL, turn to Lanz when they need reliable heating, cooling, plumbing, or drain service from a team they can trust. From emergency furnace repairs to AC replacements, leak detection, drain cleaning, and underground plumbing solutions, our technicians deliver quality workmanship backed by decades of experience.
For fast, friendly service, call 217-394-1380 or reach out through our contact page.
Common HVAC & Plumbing Questions From Mahomet Homeowners
We recommend scheduling AC maintenance in spring and furnace maintenance in fall to prevent breakdowns during heavy seasonal use and extend system life.
This is usually caused by airflow restrictions, dirty burners, thermostat issues, or a failing blower motor. Our technicians can diagnose the problem quickly and restore heat.
Warm air, short cycling, ice on the system, or loud operation typically point to airflow or mechanical issues—not just low refrigerant. We pinpoint the exact cause.
Tree roots, aging sewer lines, hard water buildup, and heavy soil movement are common in Mahomet. A camera inspection helps us determine the real cause.
Yes — we provide fast response for urgent heating, cooling, sewer, and plumbing issues to keep your home safe and comfortable.
Heating Services in Mahomet, IL
Furnace Repair, Installation & Annual Maintenance
Winters in Mahomet are too cold to deal with unreliable heat. Our certified HVAC technicians provide:
- Furnace repair for no-heat situations, short cycling, strange noises, and airflow problems
- High-efficiency furnace installation & replacement
- Annual furnace maintenance to improve performance and lower energy costs
- Heat pump repair & installation for energy-efficient year-round comfort
We service all makes and models and help homeowners choose the best heating solutions for long-term reliability.
Air Conditioning Services in Mahomet, IL
AC Repair, Replacement & Indoor Comfort Solutions
When summer humidity hits, you need a cooling system you can rely on. Lanz provides comprehensive AC services, including:
- AC repair for warm-air issues, leaks, frozen coils, and system failures
- Air conditioning installation & replacement with high-efficiency systems
- Seasonal AC maintenance to reduce breakdowns and improve airflow
- Ductless mini-split repair and installation for zoning or additions
We’re trained to diagnose cooling issues quickly and keep your home comfortable all season long.
Plumbing Services in Mahomet, IL
Fast, Reliable Solutions for Leaks, Fixtures & Water Quality
Our licensed plumbers provide full-service residential plumbing support, including:
- Leak detection and pipe repair
- Toilet, sink, and faucet repair or installation
- Water heater repair, replacement & tankless upgrades
- Water softener installation & filtration solutions
- Garbage disposal repair
Whether it’s a dripping faucet or a major plumbing issue, we take care of it quickly and correctly.
Drain Cleaning & Sewer Services
Camera Inspections, Hydro Jetting & Sewer Line Repair
Mahomet homes frequently experience clogged drains, slow sinks, or sewer backups—especially in older neighborhoods. Our drain and sewer services include:
- Professional drain cleaning for kitchens, bathrooms, and main lines
- Hydro jetting to eliminate grease, scale, and heavy buildup
- Sewer camera inspections to identify breaks, root intrusion, or collapsed pipes
- Sewer line repair & replacement for long-term solutions
We clear blockages safely and identify underlying issues before they cause major damage.
Underground Plumbing & Water Line Services
Expert Repairs With Accurate Diagnostics
If you’re experiencing low water pressure, unexplained wet spots, or frequent sewer backups, your underground plumbing may be compromised. We offer:
- Water line leak detection & repair
- Water line replacement
- Underground sewer repairs
- Excavation and spot repairs
Our specialized equipment allows us to complete underground work efficiently and with minimal disruption.
Why Mahomet Homeowners Choose Lanz
- Decades of local HVAC & plumbing experience
- Proud member of the Mahomet Chamber of Commerce, supporting and serving our local community
- Family-owned company built on honesty, professionalism, and community commitment
- Certified heating & cooling specialists trained in today’s most efficient systems
- Advanced diagnostic technology for accurate plumbing and sewer solutions
- Fast response times for urgent heating, cooling, or plumbing issues
- Clear communication and transparent pricing with repair options explained upfront
Schedule HVAC or Plumbing Service in Mahomet, IL
From reliable heating and cooling to expert plumbing and drain cleaning, Lanz is here to help keep your home safe and comfortable throughout the year.
Call 217-394-1380 or contact us online through our contact page to schedule service.
Recent Jobs and Reviews in Mahomet, IL
Mahomet, IL at a glance
Lanz Plumbing, Heating & Cooling has completed 25 jobs in Mahomet, IL in October 2026.
The most recent job was on October 22, 2026.
Lanz Plumbing, Heating & Cooling has completed 653 jobs in Mahomet, IL in the last 12 months. The first job there was in May 2023.
Job Locations and Reviews
Investigated crawlspace water leak caused by a misaligned water softener discharge line spilling past the cup drain. Provided an estimate for plumbing repair to realign the discharge pipe and repipe the water heater T&P relief line.
Performed seasonal furnace maintenance: replaced air filter, cleaned flame sensor, checked igniter and capacitor, and flushed the drain line. Inspected all sinks, toilets, and faucets to verify proper water temperature and system function.
Performed bi-annual HVAC and plumbing maintenance. Replaced furnace air filter, cleaned flame sensor and condensate trap, and tested igniter. Addressed stiff toilet flush handle, checked shut-off valves, and verified sump pump operation.
Delivered two 16x25x5 furnace filters to the office for routine HVAC maintenance and filter replacement.
Completed furnace maintenance on garage heaters. Cleaned burners and flame sensors, cleared pressure tubes, replaced filters, and verified electrical components and temperature splits to ensure reliable heating performance.
Inspected plumbing fixtures and verified sump pump operation. Performed boiler maintenance to confirm safe operating pressure. Quoted water heater replacement due to calcium buildup and backflow preventer installation to protect the potable water supply.
Performed kitchen faucet repair to resolve a continuous drip caused by a failed cartridge. Replaced the cartridge and tested the sink to ensure leak-free performance and proper water flow.
Replaced the 20x25x5 filter, cleaned burners, and cleaned the flame sensor. Inspected igniter, tested inducer capacitor, measured motor amperages, and verified flue, gas, and static pressures during routine furnace HVAC maintenance.
Replaced old sump pump with a new Model 457 pump, sump brick, and check valve. Resealed the Radon pit lid with silicone and tested the system to ensure proper operation and drainage.
Inspected master bath shower drain odor and kitchen sink noise. Confirmed shower P-trap was full and advised drain cleaning. Identified intermittent reverse osmosis (RO) system discharge into the trap as the source of the kitchen sink noise.
Replaced furnace air filter, cleared pressure port hose, and tested capacitor and flame system during furnace maintenance. Inspected plumbing fixtures and tested pump, advising customer on hard-to-operate shut-off valves.
Removed the bathtub overflow cleanout and cleared a hair blockage from the P-trap using a claw tool to resolve a slow-draining tub. Flushed and tested the line multiple times to ensure proper flow, providing effective drain cleaning.
Completed seasonal furnace maintenance: replaced the air filter, cleaned and blew out hoses, checked wire connections, flushed the drain line, and tested the igniter. System is operating correctly with no issues found.
Completed bi-annual HVAC maintenance and plumbing inspection. Dye-tested toilets, checked piping, tested sump/ejector pumps and disposals, and verified heating and emergency heat modes. Quoted replacement for corroded washing machine valves.
Performed furnace maintenance and heat pump inspection. Replaced 16"x25"x1" filter, cleaned burners, flame sensor, and inducer port. Tested gas pressure, igniter, flue, motor amperages, and capacitors to ensure safe, efficient operation.
Performed furnace maintenance: replaced air filter, cleaned pressure switch hose, and tested electrical components. Conducted a plumbing inspection and found leaks in the bathroom and hallway toilets after both failed dye testing.
Performed furnace maintenance: replaced the air filter, verified Delta T split, and inspected wiring connections. Tested the igniter and capacitor for safe, efficient heating operation with no issues found.
Diagnosed water leak from 2nd-floor bathroom dripping into living room. Located leaks at the tub waste and overflow as well as the shower drain. Scheduled plumbing repair to replace the tub waste/overflow assembly and shower drain.
Relit water heater pilot light and resolved overheating issue. Lowered temperature setting from 150°F to a safe 120°F and advised keeping the closet door open to improve airflow and prevent future pilot outages.
Repaired a main water line leak near the water heater caused by a cracked 1” ball valve. Replaced the damaged valve with a new threaded 1” ball valve, reconnected the water meter, and restored water flow, confirming the system is fully leak-free.
Performed furnace maintenance and plumbing inspection. Cleaned the igniter, flame sensor, and condensate trap, replaced the filter, and checked pressures. Inspected the water heater and dye-tested toilets to ensure leak-free operation.
Diagnosed furnace not heating issue caused by a failed control board not sending voltage to the inducer motor. Replaced the control board to restore full heating operation.
Cleaned furnace burners, flame sensor, and filter, and checked airflow and gas pressure. Inspected plumbing, tested sump pump, and ran toilet dye tests. Identified a leaking toilet and provided quotes for toilet repair and sump pump replacement.
Installed a whole-house air scrubber to significantly improve indoor air quality and eliminate airborne contaminants throughout the home.
Replaced furnace humidifier pad, cleaned and tested the igniter and flame sensor, and verified gas pressure and amp readings. Inspected plumbing system by checking drains, dye-testing toilets, and verifying battery backup sump pump operation.