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 September 2026 and October 2026.
The most recent job was on October 8, 2026.
Lanz Plumbing, Heating & Cooling has completed 625 jobs in Mahomet, IL in the last 12 months. The first job there was in May 2023.
Job Locations and Reviews
Tested dehumidifiers to verify proper operation, ensuring optimal moisture control and indoor air quality. Confirmed systems are running efficiently and processed final payment.
Replaced a leaking check valve on the left primary sump pump and installed a new Liberty 1/2 HP pump with a quiet check valve in the right pit to replace a failed unit. Tested both systems to ensure leak-free operation.
Resolved a furnace not heating issue by pulling and deep cleaning the burners on the kitchen unit. This restored proper ignition and flame transfer across all burners for reliable, efficient warmth.
Re-piped two package units with new unions and tested for gas leaks. Adjusted the gas regulator to increase pressure from 0.87 to 3.5, restoring proper gas supply and heating to the furnaces without needing a regulator replacement.
Performed drain cleaning to resolve a backed-up urinal. Removed the trap and cabled 50 feet into the wall line to clear the clog. Flushed and tested for proper flow. Inspected septic tank; recommended pumping and adding chlorine.
Addressed toilet repair for an occasional running issue. Confirmed the tower seal was correct, then replaced the fill valve and supply line. Advised homeowner to monitor the aging fixture for potential replacement if the issue returns.
Replaced furnace filter, cleaned burners and flame sensor, and tested gas pressure. Performed water leak detection in crawl space, dye-tested toilets, and ran a sewer drain line camera inspection to ensure home systems are in top shape.
Diagnosed a failing thermal switch in the burner assembly. Temporarily bypassed the switch to restore hot water. Provided quotes for a burner assembly replacement and a new water heater installation due to system age.
Replaced three furnace filters, treated condensate drains, and tested capacitors. Inspected home plumbing, verified 70 PSI water pressure, and provided a quote for water heater replacement to address system age and rust issues.
Provided an estimate for running a new gas line through the basement ceiling and floor for a new stove. Recommended a follow-up visit to remove drywall, inspect the routing path, and finalize the installation.
Ordered parts for the water filtration system. Additional components will deliver with the BIF system, with the HTO unit already in stock for the upcoming installation.
Diagnosed walk-in cooler not cooling. Found frosty evaporator and low refrigerant. Added 3 lbs of refrigerant with UV dye to restore cooling, then located a leak in the evaporator coil. Preparing a quote for coil replacement.
Identified the source of basement flooding as a leak at the base of the water heater. Provided a quote for a full water heater replacement, which was accepted and scheduled to prevent further water damage.
Cleaned AC condenser coils, treated the condensate line, and tested system pressures. Inspected plumbing for leaks, detected a high water pressure issue of 120 PSI, and quoted a pressure reducing valve (PRV) to prevent pipe damage.
Inspected and serviced the furnace, then provided a detailed quote for an Air Scrubber installation to enhance residential indoor air quality.
Resolved persistent bathroom odor with a toilet repair. Replaced the toilet wax ring, added a PVC spacer flange to correct floor height, and installed new closet bolts and a supply line. Tested thoroughly to ensure no leaks.
Replaced a leaking 3/4 HP garbage disposal with a new 1/2 HP unit. Rerouted the dishwasher drain to the sink drain to meet plumbing code requirements. Tested all connections to ensure proper drainage and leak-free performance.
Installed a BIF water filtration system and carbon filter to remove iron and sulfur from well water. Ran copper piping, flushed the water heater to clear dark sediment/odor, replaced a manufacturer part, and collected a water sample.
Completed a sewer line repair by clearing a main blockage caused by sludge and flushed paper towels. Accessed the 3-inch cleanout, used an inspection camera to locate the clog, and cleared the line to restore proper drainage.
Replaced a blown transformer and resolved a short circuit by removing a pinched section of low-voltage thermostat wiring. Reconnected the undamaged wire to the control board, restoring reliable cooling and AC service.
Conducted residential water quality testing to analyze pH levels, hardness, and potential contaminants, ensuring safe drinking water and determining filtration needs.
Replaced the no-ozone air scrubber cell to improve indoor air quality and ensure the home's HVAC system operates efficiently.
Resolved a washing machine line water leak by replacing outdated boiler drains with a new Oatey washer box. Cut out the leaking pipes, installed the new setup, and verified a secure, leak-free connection.
Completed HVAC maintenance on nine furnaces and two package units, including full filter replacements. Quoted repairs for two outdoor gas leaks and a new regulator to resolve low gas pressure issues in six classroom furnaces.
Addressed a wobbly master bathroom toilet by performing a quick toilet repair. Tightened extremely loose mounting bolts to properly seat and secure the toilet, eliminating all rocking and instability.