AccuMax HVAC technicians serving Illinois homeowners with expert heating and cooling solutions
Armstrong Air Pro Team Dealer

Illinois HVAC Services by AccuMax

Expert Comfort for Residential & Light Commercial Properties

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

Why AccuMax Homeowners Trust Our Service Portfolio

AccuMax father and son technicians ready to serve Illinois homeowners with expert HVAC solutions

Since 1990, AccuMax has served homeowners across the Chicago suburbs with trusted heating, cooling, and air quality solutions. Whether your system needs emergency repair, routine maintenance, or a complete replacement, our Armstrong Air ProTeam dealers bring decades of field experience to every job. We respond quickly, diagnose accurately, and fix it right the first time.

Family-Owned Expertise Since 1990

Over three decades of residential HVAC experience means we've solved nearly every comfort challenge in the Illinois climate. Our technicians aren't just certified—they're seasoned problem-solvers who care about your home like their own.

Armstrong Air ProTeam Certification

As an official Armstrong Air ProTeam Dealer, we carry genuine factory parts and training. When we install or service your system, you're backed by one of HVAC's most trusted names and our membership repair warranty support.

Fast Response, Thorough Diagnosis

We know a broken system means a family in discomfort. Our teams dispatch quickly to your Naperville, Downers Grove, Plainfield, Batavia, or Oak Brook home. Every visit includes a detailed inspection and upfront explanation of findings before work begins.

Financing & Flexibility

Major repairs or system replacements don't have to break your budget. We partner with Service Finance to offer flexible terms. Plus, our Maintenance Membership Plan spreads routine maintenance costs across the year so you budget confidently.

Our Complete Service Lineup

Explore detailed pages for each service below. Need help choosing between repair, maintenance, or replacement? Our team is ready to discuss options that fit your home and budget.

Request Your Service Consultation

What We Do

Complete HVAC Services for Illinois Homes

Armstrong Air Pro Series air conditioner condenser outside an Illinois home

Central Air Conditioning

Complete AC solutions from routine cooling season maintenance to emergency repair and new system installation. Whether your unit won't turn on or you're ready to upgrade to a high-efficiency model, we handle it all.

Modern ducted heat pump outdoor unit installed at an Illinois home

Heat Pumps (Ducted)

Modern heat pumps heat in winter, cool in summer, and cut energy costs year-round. We install, maintain, and repair ducted heat pump systems for maximum comfort and efficiency.

High-efficiency Armstrong Air furnace installed in an Illinois home

Furnaces

From emergency winter repairs to new system installation, our technicians keep your heating system running safely and efficiently. We service all major brands and install premium Armstrong Air units.

State brand tank water heater installed in an Illinois home utility room

Tank Water Heaters

Whether you need emergency repairs, routine maintenance, or a new water heater installation, our technicians keep hot water flowing reliably. We work with State and other top brands.

Whole-home air filtration and humidifier system installed in an Illinois home

Indoor Air Quality

Improve the air your family breathes with air filtration systems, air cleaners, and humidifier/dehumidification solutions. Indoor air quality directly impacts health and comfort.

Commercial rooftop HVAC unit serviced by AccuMax technicians in Illinois

Rooftop Units (RTUs)

Commercial and large residential rooftop HVAC units up to 20 tons require specialized expertise. We diagnose, repair, and maintain RTU systems for reliable year-round operation.

Customer Reviews

What Illinois Homeowners Say About AccuMax

Financing & Rebates

Flexible Financing & Rebates on HVAC Services

Major repairs or system replacements don't have to break your budget. AccuMax, Inc. partners with Service Finance Company to offer flexible payment plans, and we help you capture every available manufacturer and utility rebate for qualifying upgrades.

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
Maintenance Membership Plan

Protect Every System with a Maintenance Membership Plan

An AccuMax, Inc. Maintenance Membership Plan keeps all your home comfort systems running at peak efficiency year-round. Annual tune-ups, priority emergency service, parts discounts, and peace of mind—all in one plan.

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
Where We Serve

HVAC Services Across Aurora & the Western Chicago Suburbs

AccuMax, Inc. serves homeowners throughout Aurora and the western suburbs — delivering expert heating, cooling, and air quality solutions with fast response times and professional results backed by membership plan protection.

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.

AccuMax is ready to handle whatever your home's comfort needs. From routine maintenance that prevents emergencies to urgent repairs and new system installation, we bring expertise, transparency, and fair pricing to every job. Calls answered fast, service scheduled at your convenience, and technicians who care about doing it right.

Our Maintenance Membership Plan covers annual maintenance for one known price, and flexible financing options make system replacement budget-friendly. View current specials for seasonal savings on qualifying services.

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