AccuMax technicians servicing a central air conditioning system at an Aurora, IL home
Armstrong Air Pro Team Dealer

Central Air Conditioning Services

Cool comfort when you need it most.

  • Emergency Service
  • Est. 1990
  • Family-Owned for 3 Generations
  • Father & Son Operated
Why AccuMax

Why Illinois Homeowners Trust AccuMax for Air Conditioning

Armstrong Air Pro Series air conditioner condenser outside an Aurora, IL home

Whether your air conditioner has stopped cooling, runs inefficiently, or you're ready for a new high-efficiency system, AccuMax brings three decades of expertise to every AC job. We diagnose problems accurately, recommend honest solutions, and install quality systems backed by Armstrong Air's trusted name. From emergency repair to seasonal maintenance and complete system replacement, we keep Naperville, Downers Grove, Plainfield, Batavia, and Oak Brook homes cool and comfortable.

Expert Diagnosis Saves You Money

A faulty capacitor can feel like a complete system failure. Our technicians use professional diagnostic tools to identify the actual problem, not guess. You only pay to fix what's broken, and you understand why before work begins.

Armstrong Air ProTeam Certified Installation

New AC systems need professional installation to reach peak efficiency and lifespan. We're Armstrong Air certified, carry factory parts, and install to manufacturer specifications. Your system comes with Armstrong's warranty backed by our membership service guarantee.

Honest Advice on Repair Versus Replacement

Old systems break more frequently. We'll be upfront: if repair costs are stacking up or your unit is 12+ years old and inefficient, replacement may make more financial sense long-term. We'll show you the numbers and let you decide.

Fast Response, Professional Service

Summer heat waves mean AC emergencies. We prioritize emergency calls during cooling season, and many homeowners get same-day service. Our technicians respect your home, explain the work clearly, and clean up after themselves.

Air Conditioning Solutions

Explore detailed information about our AC services. Whether you need emergency repair, routine maintenance, or a new system, we have you covered.

Schedule Your AC Service or Consultation

Our Services

Our Complete AC Service Portfolio

Service 1 of 3

AC Repair & Emergency Service

Your air conditioner won't turn on, runs but doesn't cool, makes strange noises, or leaks water? We diagnose the problem and fix it. From refrigerant recharge to compressor replacement, capacitor repair to ductwork sealing, we handle all AC repair needs. Emergency service available.

  • Accurate diagnosis using professional tools
  • Refrigerant recharge and leak detection
  • Compressor and capacitor repair or replacement
  • Ductwork sealing and airflow correction
  • Emergency service available during cooling season
  • Transparent pricing before work begins
Service 2 of 3

AC Maintenance & Seasonal Tune-Ups

Preventive maintenance keeps your system efficient and extends its lifespan. Annual AC tune-ups include inspection, cleaning of coils and filters, refrigerant verification, and performance testing. Catch small problems before they become expensive repairs.

  • Full system inspection and performance testing
  • Coil and filter cleaning for peak efficiency
  • Refrigerant level verification
  • Electrical connection and safety checks
  • Early detection of developing issues
  • Maintenance Membership Plan for ongoing protection
Service 3 of 3

AC Installation & System Replacement

Ready for a new air conditioning system? We install high-efficiency units that keep your home comfortable while lowering energy costs. Armstrong Air systems come with manufacturer warranty plus our membership plan protection. We handle all paperwork for available rebates.

  • Professional in-home assessment and system sizing
  • Armstrong Air ProTeam certified installation
  • Ductwork evaluation and optimization
  • Refrigerant charging to manufacturer specifications
  • Rebate paperwork coordination
  • membership repair warranty protection
Customer Reviews

What Aurora Homeowners Say About AccuMax AC Services

Financing & Rebates

Affordable Financing & Rebates on Your New AC System

A new air conditioning system is a major upgrade — and it shouldn't strain your budget. AccuMax, Inc. offers flexible financing through Service Finance Company and helps you capture every manufacturer and utility rebate your new high-efficiency system qualifies for.

An Aurora couple reviewing HVAC financing options together on a laptop at home

Flexible Financing Through Service Finance

With approved credit from Service Finance Company, you'll enjoy:

Convenient Monthly Payments

Replace or upgrade your HVAC system without the sticker shock. Break the cost into affordable monthly payments that fit comfortably in your budget.

No Hidden Fees

What you see is what you pay. Your financing terms are laid out clearly from day one, with no surprise charges down the road.

Easy Online Management

Check your balance, view statements, and make payments anytime through Service Finance's secure online portal — no phone calls or paperwork required.

Special Financing Terms

Qualified homeowners may be eligible for promotional rates, including low-interest and deferred-payment options. Ask us about current offers when you schedule your estimate.

Questions about financing? Call us at (630) 800-1598 and we'll help you find the right option before you commit.

Our Rebates

Rebates Available on Heat Pump Systems

Aurora homeowners upgrading to a qualifying heat pump system may be eligible for up to $2,000 in available rebates. Rebate programs and eligibility requirements change regularly based on manufacturer and utility incentive schedules. Contact AccuMax, Inc. early in your project — we'll help you identify what's currently available for your home and make sure you capture every rebate dollar before the opportunity closes.

Newly installed heat pump condenser units beside an Aurora, IL home
Protect Your Investment

Keep Your AC System Running at Peak Efficiency

A dirty filter or clogged outdoor coil forces your system to work harder, reducing efficiency and lifespan. An AccuMax, Inc. Maintenance Membership Plans prevent this — and many customers find it pays for itself in energy savings alone.

Precision Tune-Up

25-Point Precision Furnace or A/C Tune-Up & Cleaning

$149 Non-Member (Single Visit)

A comprehensive 25-point inspection and cleaning that prepares a single system for the season ahead — your furnace in the fall, or your air conditioner in the spring. We clean critical components, take full performance readings, verify safety controls, and confirm airflow, so small problems surface before they become mid-season breakdowns.

  • Full 25-point inspection & cleaning
  • Critical components cleaned
  • Safety controls & electrical verified
  • Refrigerant or combustion readings measured
  • Airflow & temperature performance confirmed
  • Overall system condition reported to you
Join Today

Standard Care

25-Point Precision STANDARD Care Maintenance Plan

$299 per year (2 visits)

Our entry-level maintenance membership covers the core seasonal tune-ups and priority service every homeowner needs for reliable year-round HVAC performance. You pay the same as two separate single tune-up visits — but with significantly more value included.

  • Spring 25-Point A/C inspection & tune-up
  • Fall 25-Point Furnace inspection & tune-up
  • Pre-season reminder scheduling
  • 24-hour priority service
  • 10% off indoor air quality products
  • Transferable agreement
  • $10/year loyalty credit toward system replacement
  • 1-year parts & labor warranty on repairs
  • 5% repair discount
Join Today

Premium Care

25-Point Precision PREMIUM Care Maintenance Plan

$399 per year (2 visits)

The upgraded plan most Aurora homeowners choose. It builds on everything in Standard Care and adds high-value services, better protection, and bigger savings. At just $100 more per year than Standard — with added services worth $299 — it pays for itself with a single service call.

Everything in Standard Care, plus:

  • Up to 1 lb. refrigerant included ($199 value)
  • Water heater flush ($35 value)
  • Next-level humidifier service ($65 value)
  • 2-year parts & labor warranty on repairs
  • 10% repair discount
  • No service call or labor fee for 30 days after any visit
  • $20/year loyalty credit toward system replacement
Join Today

Take $40 off a second plan if you have another system. Cancel any time — the unused portion of your dues is refunded.

Specials & Coupons

Our HVAC Specials & Seasonal Offers

AccuMax, Inc. regularly offers seasonal specials and savings for homeowners in Aurora, Naperville, Downers Grove, and throughout our service area. Whether you're scheduling a tune-up, planning a system replacement, or looking to improve your indoor air quality, there's often a current offer that can help you save.

$149 Value Menu

Add any service from our Value Menu for just $149 when we're already at your home. Every option is one flat price — see how much you save compared to regular rates. Ask your technician about available add-ons at your next visit.

See the Value Menu

Original Price

$229 Honeywell Home P200 Thermostat
$287 WiFi Water Leak and Freeze Detector
$226 A/C Re-New Connect Inject
$222 Hard Start Kit
$251 HVAC Surge Protector
$219 EZ Trap
Act Now & Save Today
Answering Your Questions

Questions About Air Conditioning Services

We work with split-system air conditioners — the most common type, featuring an outdoor condenser plus indoor evaporator coil. We maintain, repair, and install units from Armstrong Air, Ducane, State, and other quality brands.

If your system is under 10 years old and the repair cost is reasonable, repair usually makes sense. If your unit is 12+ years old, frequently breaking down, or running inefficiently, replacement may be more cost-effective long-term. We'll show you the numbers honestly and let you decide.

Yes. Modern high-efficiency systems are significantly more efficient than units from 10+ years ago. A new high-efficiency unit can reduce cooling costs 20–40% compared to an aging system. We'll estimate your home's energy savings based on your current system and location.

Yes. We prioritize emergency calls during cooling season, and many homeowners receive same-day service. Our technicians are available for urgent situations when your home becomes uncomfortably hot.

Ductwork design, refrigerant charge, airflow balance, and sizing matter enormously. Poor installation can cut efficiency by 30% or more. Our certified installation process ensures your new system performs to its rated specifications and lasts as long as possible.

Maintenance Membership Plans are our maintenance membership program that includes annual tune-ups, priority service scheduling, discounts on repairs, and extended warranty protection. Many customers find the membership pays for itself in energy savings and avoided repair costs.

Where We Serve

AC Services Across Aurora & the Western Chicago Suburbs

AccuMax, Inc. provides expert air conditioning repair, maintenance, and installation throughout Aurora and the western suburbs — delivering honest diagnostics, quality equipment, and professional service backed by three generations of HVAC expertise.

Map of the AccuMax, Inc. HVAC service area centered on Aurora, IL and the western Chicago suburbs
AccuMax, Inc. service truck and branded equipment trailer parked in a western Chicago suburb driveway

Additional Communities Served

Don't see your city listed? We serve many additional communities throughout the western suburbs — contact us to confirm availability in your area.

Ready to Get Started

Schedule Your AC Service or Consultation Today

Don't wait until your system fails to get professional help. Whether you need emergency repair, want to schedule preventive maintenance, or are ready for a more efficient new system, AccuMax is ready to serve your Naperville, Downers Grove, Plainfield, Batavia, or Oak Brook home.

Our family-owned team brings three generations of HVAC expertise, Armstrong Air ProTeam certification, and a genuine commitment to honest service. We'll diagnose accurately, advise honestly, and deliver quality work you can count on for years to come.

Family-Owned Since 1990

Three generations of HVAC expertise rooted in Aurora

Armstrong Air ProTeam Dealer

Factory-trained and certified on the equipment we install

Emergency Service Available

Weekends and after-hours when you need us most

Full-Service HVAC

Heating, cooling, IAQ, water heaters, and light commercial RTUs

Community-First Values

Locally based, personally accountable, invested in Aurora