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 between October 2026 and November 2026.
The most recent job was on November 6, 2026.
Lanz Plumbing, Heating & Cooling has completed 669 jobs in Mahomet, IL in the last 12 months. The first job there was in May 2023.
Job Locations and Reviews
Replaced furnace filter, cleaned burners and inducer port, and tested flame sensor, igniter, and capacitors for seasonal HVAC maintenance. Inspected plumbing fixtures for water leaks, tested sump pump, and verified system water pressure.
Cleaned boiler heat exchanger and replaced the exchanger gasket, igniter, igniter gasket, inducer gasket, and heat shield. Tested system operation to ensure efficient heating performance.
Performed bi-annual HVAC maintenance on the heating system. Inspected and cleaned furnace components to ensure optimal heating performance. Verified all parts are in good working condition with no repairs required at this time.
Replaced furnace filter, cleaned burners and flame sensor, and tested igniter and flue gas. Inspected plumbing fixtures for water leaks, tested primary and backup sump pumps, and verified home water pressure and temperature.
Diagnosed error code 92 on tankless water heater. Inspected internal components and confirmed unit is functioning. Identified condensate neutralizer nearing end of life and provided a quote for part replacement.
Replaced Aprilaire electric filter, cleaned burners and flame sensor, and tested gas/static pressure and motor amps. Inspected plumbing fixtures for leaks, tested main and backup sump pumps, and verified water pressure (69 psi) and temperature.
Cleared furnace pressure switch hose, tested igniter and Delta T, and replaced humidifier pad during HVAC maintenance. Conducted plumbing inspection on sinks, faucets, disposal, and shut-off valves. Recommended adding a wet switch.
Cleared main sewer backup causing basement overflow. Accessing a 4-inch PVC cleanout, rodded 120 ft with a 4-inch cutter to flush out heavy sludge. A camera inspection confirmed the line is clear and identified a pipe belly near the cleanout.
Resolved bathroom leak by replacing the sink pop-up assembly and P-trap. Installed customer-supplied kitchen faucet with new supply lines and thoroughly tested all connections to ensure leak-free operation.
Completed seasonal furnace maintenance: replaced the air filter and humidifier pad, cleared the pressure port hole, tested the capacitor, and confirmed proper delta T. Inspected the humidifier for leaks with no active leaking detected during testing.
Resolved a bathroom plumbing leak caused by a failed tub faucet cartridge. Installed a new replacement cartridge and tested the fixture to ensure proper water flow and leak-free operation.
Replaced existing sump pump with a new Liberty sump pump and installed a new check valve. Reinstalled the water backup pump and lid, then tested the system to ensure leak-free, reliable performance.
Cleared a clogged basement kitchen sink drain caused by food buildup. Rodded 50 feet into the line through the trap assembly, then flushed water to ensure proper flow and confirm the ejector pump was cycling properly.
Inspected 24V wiring for intermittent condenser fan motor operation. Rewired common and Y-signal connections directly to the control board to improve signal to the contactor. Tested outdoor unit multiple times to confirm proper AC repair.
Cleared a clogged basement shower drain by rodding the trap via the overflow with a 5/16" cable to remove waste buildup. Tested water flow and verified the sewage ejector pump cycled correctly to restore full drainage.
Replaced a failed gas valve under parts warranty to restore safe and reliable furnace heating.
Performed water leak detection under the sink, tightening shutoff valve packing nuts, trap assembly, and drain attachments. Identified a leak gap between the sink and countertop when water splashes. Coordinated drain cleaning for the ejector pit.
Conducted fall HVAC maintenance on furnace. Cleaned flame sensor, tested igniter, amp draws, and static pressure. Replaced 16x25x1 furnace filter and installed a new air scrubber filter to improve airflow and indoor air quality.
Performed HVAC maintenance and heat pump repair: cleaned furnace burners, flame sensors, and condensate trap; replaced air filter and bad condenser capacitor. Inspected plumbing, tested sump pump, and took a water sample for hard water testing.
Completed HVAC maintenance and plumbing inspection. Cleaned furnace filters, burners, and flame sensor; checked gas and static pressures. Detected a leaking gas valve needing replacement. Inspected the sump pump, water pressure, toilets, and traps.
Replaced furnace filter and humidifier pad, cleaned burners, flushed drain, and verified delta T. Inspected plumbing fixtures and identified stiff shut-off valves under sinks and toilet; scheduled follow-up for valve replacement.
Performed bi-annual precision HVAC maintenance and plumbing inspection. Inspected and tuned up the furnace for reliable seasonal heating, and checked home plumbing fixtures and components to ensure proper operation.
Performed HVAC maintenance on a GeoComfort system. Inspected electrical readings, verified a 20-35°F temp split, 40 psi water pressure, and 4 gpm flow rate. Cleaned the washable filter to ensure optimal heating and cooling performance.
Identified a pinhole water leak in the water heater recirculation line during water leak detection. Evaluated the aging power vent units and provided tankless water heater replacement options to resolve the hot water issue.
Replaced 16x25x5 furnace filter, cleaned burners and inducer hoses, and tested the flame sensor and static pressure. Inspected plumbing fixtures for leaks, identified a high water pressure issue (94 PSI), and provided a quote for a pressure-reducing valve.