
A furnace that will not hold a temperature, a drain that backs up in more than one place, or an outlet that is warm to the touch each need a different response. Lockport homeowners can call TR Miller Heating, Cooling, Plumbing & Electrical to discuss heating, cooling, plumbing, drain, and electrical work with one team. We have served Chicago-area homeowners since 2008 and provide pricing before approved work begins.
Lockport began as a canal town. Commissioners for the Illinois and Michigan Canal platted and named the town in 1837, built the canal’s headquarters here, and the community was incorporated as a town in 1853 and as a city in 1904. Native stone warehouses from the canal era still stand downtown, and the Gaylord Building, a landmark since 1838, anchors the historic district. Today Lockport is a city of more than 20,000 people, and its housing ranges from homes near the historic downtown to newer subdivisions built as the city has grown. That mix means the age and condition of your equipment matter more than the age of the neighborhood. If a room has been added, a basement finished, or a system replaced since the home was built, we will look at the setup you have today before recommending work.
Whether your home is a few blocks from the canal or in a newer part of town, the goal is the same: identify the problem, explain the choices, and help you decide what to do next. If you are planning a project rather than dealing with a breakdown, contact us early so we can discuss the scope and any permit requirements before work starts.
Lockport, IL HVAC and Plumbing Services
We offer a suite of services to cover all your HVAC and plumbing needs. Check out our special offers for homeowners living in Lockport, IL:
- $50 Off Any HVAC or Plumbing Repair
- $100 Off a new EV Charger Installation
- Financing Available on a New Furnace
Call (815) 446-0593 to Schedule Today
Your Trusted HVAC and Plumbing Company Serving Lockport, IL
When your Lockport, IL home’s HVAC or plumbing systems need attention, we will provide efficient and quality solutions, just as we would for our own families. TR Miller Heating, Cooling & Plumbing is a premier home services company that not only offers heating and cooling, but also plumbing, drains and sewer services. We know that one of the most challenging things about owning a home can be trying to figure out who to trust for your heating, cooling, plumbing, and electrical systems.
- Heating & Cooling: Furnace repair, AC installation, heat pump tuning, ductless mini-splits, and preventative maintenance.
- Plumbing Systems: Leak detection, water heater replacement, tankless systems, fixture upgrades, and gas line service.
- Electrical Solutions: Panel upgrades, EV charger installation, smart home wiring, lighting, and safety inspections.
- Sewer & Drain: Hydro-jetting, motorized drain snaking, trenchless pipe repair, and main sewer line camera inspections.
That’s why TR Miller is here to provide home services that are convenient, educating, and reliable for you and your family. We are the team to help you get back to living in your home comfortably, safely and confidently.
Core Values
Hardworking
We work hard to serve our community.
Energetic
Bring more energy than you take.
Authentic
Always show up as your best self.
Respectful
Be direct, with respect.
Team-Oriented
Success comes from working together.
Heating Services in Lockport, IL
If the furnace short-cycles, runs without warming the home, or makes a new sound, a diagnosis can separate an equipment problem from an airflow or thermostat issue. A home that loses heat during a Lockport winter can cool quickly, and pipes in unheated areas are at risk, so we treat a no-heat call as time-sensitive. TR Miller can discuss repair, maintenance, and replacement options for your home’s current heating setup. We service many major equipment brands. Share the make and model when you book so our team can confirm availability.
Services to discuss include furnace repair, heating maintenance, furnace installation and replacement, boiler service, heat pumps, ductless mini splits, and thermostat work. If your heating equipment has become expensive to repair, we will explain what a repair would address and what a replacement project would involve. Learn more about furnace repair, furnace installation, and heat pumps.
Cooling Services in Lockport, IL
An AC system that runs without cooling every room may need an equipment repair, an airflow adjustment, or a closer look at the home’s ductwork. A new unit is not always the first answer. TR Miller helps Lockport homeowners with AC diagnostics, maintenance, installation, and replacement, as well as ductless cooling for spaces the existing system does not serve well, such as an addition, a finished basement, or an upstairs bedroom.
If you see ice on the equipment or water spreading near the indoor unit, turn the cooling system off and arrange an assessment. Describe the symptoms when you call so we can help plan the visit. A spring tune-up before cooling season is a practical way to catch worn parts while the schedule is open. See our AC repair and AC installation pages for more.
We offer a suite of services to cover all your Lockport, IL heating & cooling needs.
- Cooling repair
- Cooling installation
- Cooling maintenance
- Heating repair
- Heating installation
- Heating maintenance
- Boiler Repair and Replacement
- Heat Pump repair and replacement
- Gas & electric furnaces
- Refrigeration
- Humidifiers
- Dehumidifiers
- Radiant heating
- Heat pumps
- Mini-splits
- Ductwork
- UV lights
- Air purifiers
- Sheet metal
- And more!
Plumbing Services in Lockport, IL
A dripping connection, a water heater that no longer keeps up, or a sump pump that fails to start can disrupt the whole house. Our plumbing team can assess the problem and discuss the work needed before it begins. Services include water heater repair and replacement, tankless water heaters, fixture and pipe work, leak detection, sump pump service, and gas line assessment.
If you suspect a leak or a break in the public water line, the City of Lockport asks residents to report water leaks and main breaks to City Hall at (815) 838-0549, option 3. If you smell gas, leave the area and contact your gas utility from a safe location before arranging service. We will not assume a water quality issue without testing or a clear diagnosis.
Drain & Sewer Services in Lockport, IL
One slow sink can point to a clog near the fixture. When several drains back up at once, the restriction may be in the main sewer line. TR Miller can assess drain symptoms and discuss cleaning, camera inspection, or repair according to what the line actually needs.
If sewage is backing up into your Lockport home, stop using water and keep people and pets away from the affected area. The City’s Public Works and Engineering Department maintains the public sewer system and can be reached through City Hall at (815) 838-0549. Ask whether the public main needs to be checked before you arrange a repair. If the problem is on the homeowner’s side of the connection, contact TR Miller.
We offer a suite of services to cover all your Lockport, IL plumbing and drain needs.
- Water heater repair
- Water Heater Flush
- Water heater installation
- Tankless water heaters
- Leak detection
- Rooter services
- Camera inspections
- Garbage disposals
- Drain cleaning
- Drain repair
- Toilet repair & installation
- Faucet repair & installation
- Shower repair & installation
- Sump pumps
- Water filtration
- Water softeners
- Main water lines
- Gas lines
- Sewer repair
- Boilers
- Slab leaks
Electrical Services in Lockport, IL
A breaker that trips repeatedly, an outlet that sparks, or a panel with visible damage needs a closer look. Our electricians can assess the circuit and explain whether the right next step is a repair, a new circuit, a panel project, or another solution. We also help homeowners plan EV charger installations, whole-home surge protection, lighting and fixture work, and electrical safety inspections.
The City of Lockport’s Building Department reviews plans, issues permits, and schedules inspections for construction projects, and it states that no work can occur before a permit is issued. We will discuss the applicable process with you before a qualifying project moves ahead.
Why Lockport Homeowners Call TR Miller
When a problem affects more than one system, it helps to have a clear explanation of where the issue starts. A damp basement might call for a plumbing assessment, and a room that never cools may need an HVAC and airflow check. TR Miller works across those home service categories and provides a price before approved work begins. If you are unsure whether your address or equipment is covered, tell us when you call and we will confirm.

Frequently Asked Questions
Does TR Miller provide heating, cooling, plumbing, and electrical service in Lockport?
Yes. TR Miller serves Lockport homeowners across those service categories, including drain and sewer work. Call with your address and the type of work needed so our team can confirm service availability.
What should I do if sewage backs up into my home?
Stop using water and keep people and pets away from the affected area. Call the City of Lockport at (815) 838-0549 and ask whether the public sewer main needs to be checked. Contact TR Miller if the problem is on the homeowner’s side of the connection.
Can TR Miller tell whether I need a furnace or AC replacement?
A technician can assess the equipment, its performance, and the home’s heating or cooling needs. Age alone does not decide the answer. We will explain the repair and replacement options that fit what we find, including any related ductwork or electrical changes.
Do I need a permit for work at my Lockport home?
The City’s Building Department issues permits and schedules inspections for construction projects, and it lists sewer and water repair among its permit applications. The City states that no work can occur before a permit is issued and that work without a permit can be subject to double the permit fee. Requirements vary by project. Confirm the scope with our team and the Building Department at (815) 838-0549, option 5, before work begins.
Do you offer financing options for HVAC, plumbing, and electrical services in Lockport?
Yes, we understand that HVAC upgrades or replacements can be a significant investment. That’s why we offer financing options on approved credit, allowing you to spread the cost of your new system over time.
What sets TR Miller Heating, Cooling & Plumbing apart from other companies in Lockport?
At TR Miller Heating, Cooling & Plumbing, we prioritize customer satisfaction and strive to exceed expectations with every service call. Our commitment to quality, professionalism, and integrity sets us apart from the competition.