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Residential AC Repair & Maintenance Services in Lockport, IL

Our Work in Lockport -
31 Reviews

Reviews

Job Site Visits

Sal Esposito
07/14/2020
Replaced blower motor. Repaired AC system
Sal Esposito
10/23/2019
Garage unit heater fan motor not spinning up. Control board motor relay contacts burned up on control board. ordered new control board.
Sal Esposito
10/21/2019
Installed Carrier TP-PAC thermostat with EIM module
Sal Esposito
08/17/2019
Blower motor defective. Water damage throughout. Replaced blower motor and control board in that order.
Sal Esposito
07/08/2019
Reconfigured communicating Carrier Infinity furnace with single-stage non-communicating furnace. Unit is oversized and mis-configured.

Cooling lead "Y" connected to "Y1" terminal.
CF (Continuous fan) setting at 2,000 CFM. Reset to 700 CFM - minimum allowable with this unit.
AC blower speed reset to match 3.5 ton AC at 1440 CFM. Was 2,000 CFM.
Customer has 3.5 ton AC system with 5-ton blower.
Air return only using one side of furnace. Derating to 1440 cfm probably solved issue.

Your air conditioning system plays a vital role in keeping your home cool, comfortable, and energy-efficient—especially during the hot and humid summers in Lockport, IL. When your system starts blowing warm air, makes strange noises, or simply doesn’t work as it should, prompt and professional service becomes essential.

At Pinnacle Heating & Cooling, we specialize in residential AC repair and maintenance services. Our certified and experienced HVAC technicians deliver reliable solutions that ensure your cooling systems run at peak performance, saving you money on energy consumption while keeping your indoor air clean and comfortable.


Professional AC Repair Services in Lockport

Even a well-maintained air conditioning unit can experience occasional problems. Whether it’s due to aging components, clogged filters, or refrigerant leaks, fast and accurate repair is key to preventing larger issues down the road.

Signs you may need AC repair services include:

  • Warm air blowing from vents

  • Insufficient airflow or weak air pressure

  • Unusual noises or vibrations during operation

  • Frequent system cycling (turning on and off)

  • Unexplained spikes in your utility bills

  • Refrigerant leaks or puddles around the unit

  • Foul odors coming from the air conditioning system

Our AC repair technicians are trained to handle a wide range of system issues. We start with a comprehensive diagnosis to pinpoint the exact cause—whether it’s a failing evaporator coil, dirty condenser coils, electrical malfunctions, or low refrigerant levels. From there, we perform precise air conditioning system repairs using top-quality parts and industry-best practices.

Whether your home uses central air conditioners, wall air conditioners, or split systems, Pinnacle Heating & Cooling offers timely repairs and same-day service for urgent needs.

Emergency AC Repair in Lockport, IL

Air conditioning problems don’t wait for convenient times. That’s why Pinnacle Heating & Cooling offers emergency AC repair for homeowners dealing with sudden cooling failures, especially during heatwaves.

We prioritize fast response and efficient service to restore cool air in your home without unnecessary delays. Our emergency services include after-hours repair, urgent refrigerant recharges, and safety inspections for compromised systems. When your comfort or safety is at risk, trust our dependable team to respond quickly and professionally.


Routine & Preventative AC Maintenance

While repairs fix immediate problems, routine maintenance prevents them from happening in the first place. Regular AC maintenance ensures your HVAC system continues to deliver reliable performance, maximizes energy efficiency, and extends the life of your equipment.

Our residential AC maintenance services include:

  • Inspecting and cleaning condenser coils and evaporator coils

  • Checking and adjusting refrigerant levels

  • Inspecting electrical connections and control systems

  • Replacing or cleaning air filters

  • Checking the thermostat and system calibration

  • Lubricating moving parts

  • Clearing drain lines to prevent clogs

  • Evaluating system airflow and return vents

By keeping your system clean and finely tuned, we help you avoid surprise breakdowns and reduce overall energy consumption. Regular checkups also ensure your unit is operating at maximum energy savings, making maintenance one of the best long-term investments in home improvement.

Why Regular Maintenance Matters

Neglecting maintenance not only affects your system’s performance—it can also lead to expensive repairs or early replacement of your HVAC unit. With regular inspections from a professional service technician, you benefit from:

  • Improved cooling system performance

  • Fewer emergency breakdowns

  • Reduced repair costs

  • Enhanced environmental impact through reduced energy use

  • Better indoor air quality

  • Longer equipment lifespan

A well-maintained air conditioning system is a dependable system. Trust Pinnacle Heating & Cooling to keep yours in peak condition.


Trusted HVAC Contractors in Lockport, IL

Choosing a reliable HVAC company is just as important as the service itself. At Pinnacle Heating & Cooling, we are proud to be one of the leading AC repair companies in Lockport and the surrounding area, offering dependable, honest, and high-quality service on every visit.

Here’s what sets us apart:

  • Certified technicians with years of experience

  • Licensed and insured for residential HVAC services

  • Prompt same-day service for urgent AC issues

  • Transparent pricing and no unnecessary upsells

  • Focus on customer satisfaction and clear communication

  • Commitment to reducing your system’s environmental impact

Our HVAC technicians work with all major brands and models, and they’re equipped to handle everything from emergency repairs to seasonal preventative maintenance.


Your Local AC Service Provider

Whether you're a new homeowner in Lockport or you've lived here for years, it’s important to have a reliable service provider for your HVAC needs. Pinnacle Heating & Cooling offers complete air conditioning services that go beyond just repairs—we’re your partners in home comfort and energy efficiency.

Need a residential air system tune-up before summer? Dealing with AC issues on a weekend? Looking for honest advice about repairing versus replacing your system? We’re here to help, and we’re only a phone call away.


Schedule AC Repair or Maintenance Today

Don’t wait for your air conditioning system to fail during the hottest day of the year. Whether you need a quick repair, emergency response, or seasonal maintenance, Pinnacle Heating & Cooling is here to deliver top-quality care for your home cooling system.

Call today to schedule an appointment with one of our experienced service technicians or contact us online for fast, dependable air repair in Lockport, IL.

Contact us today at:
Pinnacle Heating & Cooling
14007 S Bell Rd Ste 126, Homer Glen, IL 60491
(708) 301-0079

Directions From Sandy, UT
Directions From Lockport, IL

Location of Pinnacle Heating & Cooling
Location of Pinnacle Heating & Cooling