
Lennox HVAC Repair, Service & Maintenance
HRS Heating and Cooling provides expert Lennox AC, furnace, and heat pump repair, maintenance, and service throughout Trafalgar, Indianapolis, and Central Indiana.
HRS Heating and Cooling provides professional repair, maintenance, and service for Lennox® heating and cooling systems across Trafalgar, Indianapolis, and Central Indiana. Lennox is known for high-efficiency equipment, and our technicians are experienced with the full range — from the premium Dave Lennox Signature® Collection to Elite® and Merit® series furnaces, air conditioners, and heat pumps.
Lennox systems often feature variable-speed technology and iComfort® smart thermostat integration. Our technicians understand how these systems communicate and can diagnose issues that less experienced contractors might misidentify. Whether it's a routine tune-up or a complex repair, we'll get your Lennox system back to peak performance.
If your original Lennox installer is no longer servicing your area, you don't need to replace your equipment. HRS services Lennox systems installed by any contractor throughout Central Indiana.
Lennox Equipment We Service
Our technicians are experienced with the full range of Lennox heating and cooling products — regardless of which series or tier your home has.
Dave Lennox Signature® Collection
Lennox's highest-efficiency variable-speed air conditioners, heat pumps, and furnaces with iComfort® S30 smart thermostat compatibility.
Elite® Series
Mid-tier two-stage and single-stage systems offering solid efficiency and reliability for Central Indiana homes.
Merit® Series
Lennox's value-focused line of dependable, straightforward HVAC equipment.
Lennox Heat Pumps
Efficient heating and cooling in one system, available across all three Lennox tiers.
Lennox Services We Provide
From emergency repairs to seasonal tune-ups, HRS covers every aspect of Lennox heating and cooling service.
Air Conditioner Repair
Capacitors, compressors, coils, refrigerant, and full diagnostics for your Lennox AC.
Furnace Repair
Igniters, flame sensors, pressure switches, blower motors, and heat exchanger inspection.
Heat Pump Service
Reversing valves, defrost boards, refrigerant charges, and year-round heating & cooling maintenance.
Seasonal Tune-Ups
Professional maintenance that keeps your Lennox system efficient and warranty-compliant.
System Diagnostics
Accurate troubleshooting for communicating systems, error codes, and intermittent issues.
Thermostat Service
Smart thermostat setup, programming, and troubleshooting for Lennox controls.
Indoor Air Quality
Air cleaners, humidifiers, and UV lights compatible with your Lennox system.
Replacement Guidance
Honest advice on when repair no longer makes sense and what to consider next.
Common Lennox Problems We See
Our technicians service Lennox systems every week. Here are the issues we diagnose and repair most often.
iComfort® communication issues
Lennox systems with iComfort® thermostats can lose Wi-Fi connectivity or communication with the indoor unit, causing operational disruptions.
Variable-speed blower failures
Dave Lennox Signature® systems with variable-speed blowers can experience control board or motor failures that affect airflow.
Coil leaks
Some Lennox indoor evaporator coils have been prone to premature refrigerant leaks, requiring professional diagnosis and repair.
Igniter and pressure switch faults
Lennox gas furnaces may experience igniter failures or pressure switch trips that prevent the burners from firing.
Signs You Should Schedule Lennox Service
- Your Lennox AC or heat pump is running but not cooling or heating
- The iComfort® thermostat shows an error or loses connection
- The furnace short-cycles or blows cold air
- You hear rattling, buzzing, or humming from the indoor or outdoor unit
- Your energy bills have increased without a change in usage
Benefits of Lennox Preventative Maintenance
- Keeps variable-speed Lennox systems operating at their high designed efficiency
- Detects coil leaks early before refrigerant loss damages the compressor
- Cleaning flame sensors and igniters prevents mid-winter no-heat calls
- Documented maintenance helps maintain Lennox warranty coverage
Why Choose HRS for Lennox Service?
When you call HRS Heating and Cooling, you're working with experienced technicians who service Lennox equipment throughout Central Indiana — not a call center or a contractor who shows up once and disappears.
Experienced Technicians
Our team services Lennox systems across Trafalgar and Central Indiana every week.
Honest Assessments
We'll tell you if a repair makes sense — or if replacement is the smarter long-term investment.
Fast Scheduling
We respond quickly to service calls because we know comfort can't wait.
Areas We Serve for Lennox HVAC Service
HRS provides Lennox repair, maintenance, and service throughout Trafalgar, Indianapolis, and surrounding Central Indiana communities.
Lennox HVAC FAQ
Common questions about Lennox service, repair, and maintenance from Central Indiana homeowners.
Is HRS a Lennox dealer?
No. HRS is not a Lennox® dealer. We service, repair, and maintain Lennox heating and cooling equipment — we do not represent ourselves as a Lennox dealer.
Can you fix my iComfort® thermostat?
Yes. We're experienced with Lennox iComfort® smart thermostats, including connectivity issues, communication faults, and programming problems.
My Lennox coil is leaking — do I need a new system?
Not necessarily. Depending on the age and condition of your system, we can often repair or replace the coil. If the system is older and the compressor has been damaged, we'll give you an honest replacement assessment.
We also service other leading HVAC brands:
View All Brands We ServiceExplore More from HRS Heating And Cooling
Ready for Comfort?
Schedule service online or call our team today — we're ready to help.

