✅ EPA Certified · Licensed · Insured
🔥 $69 Furnace Tune-Up Special💵 $50 Off Repairs $300+🆓 Free Second Opinion🛠️ Free New-System Estimate
📞 (224) 389-4430
Your Neighborhood Heating & Cooling Team · Open 7 Days a Week

Your Trusted Local Heating & Cooling Experts

The friendly, reliable HVAC company your neighbors count on — AC repair, furnace repair, new installations, duct cleaning & maintenance. Honest pricing, fast service, and comfort you can trust.

📞 Call (224) 389-4430 Get a Free Estimate →
✓ Same-Day Service
✓ Upfront, Honest Pricing
✓ Financing Available
✓ Licensed & Insured

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⏱️ Fast response · No obligation · We'll reach out right away

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🔒 Your info stays private · 🕓 Open 7 AM – 10 PM daily · 🏅 Licensed & insured

🏅 EPA Certified
🛡️ Licensed & Insured
⏱️ Open 7 Days a Week
💳 Financing Available
⭐ 5-Star Local Service
What We Do

Complete HVAC Services for Your Home

From a no-cool emergency in July to a brand-new high-efficiency system, ThermoMaster keeps your family comfortable all year round.

❄️

AC Repair

Fast, reliable air conditioning repair to get you cool again — diagnostics, refrigerant, compressors and more.

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🔥

Furnace Repair

No heat? We repair all furnace makes and models quickly and safely so your home stays warm and cozy.

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🛠️

New System Installation

Full furnace & AC system installs sized right for your home, with financing and energy-saving options.

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💨

Air Duct Cleaning

Remove dust, allergens and buildup for cleaner air, better airflow and a more efficient system.

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🗓️

Yearly Maintenance

Seasonal tune-ups that prevent breakdowns, extend equipment life and keep efficiency high.

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🌿

Indoor Air Quality

Air purifiers, humidifiers and filtration to help your family breathe cleaner, healthier air.

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ThermoMaster HVAC technician van serving Palatine and NW Chicago suburbs
Why ThermoMaster

Comfort You Can Trust — From a Name Your Neighbors Rely On

We treat your home like our own. No pushy sales, no surprise charges — just skilled, EPA-certified technicians who fix it right the first time.

  • ✓ Upfront, Flat-Rate Pricing — you approve the price before we start. No surprises, no hourly meter running.
  • ✓ A Real Local Person — you talk to a neighbor, not a call center. No high-pressure sales, ever.
  • ✓ Background-Checked, EPA-Certified Techs — trusted, trained pros you'll feel safe having in your home.
  • ✓ We Respect Your Home — shoe covers on, and we leave it cleaner than we found it.
  • ✓ Same-Day Response — comfort problems don't wait for business hours, and neither do we.
  • ✓ 100% Satisfaction Guarantee — we're not done until you're comfortable and happy.
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Simple & Stress-Free

How It Works

1

Call or Book Online

Call us any day, 7 AM – 10 PM, or request service online in under a minute.

2

Fast Diagnosis

A certified tech arrives, pinpoints the issue and explains your options.

3

Upfront Price

You get a clear, honest quote and approve it before any work begins.

4

Comfort Restored

We fix it right the first time and make sure you're 100% comfortable.

Save a Little

Current Offers for Our Neighbors

No gimmicks — just honest savings. Mention an offer when you call or book.

$69

Furnace Tune-Up

21-point safety check with a carbon monoxide test and a photo report.

Valid through December 31, 2026. One furnace per home. Residential customers only. Cannot be combined with other offers.
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$50 Off

Repairs $300+

Because a breakdown shouldn't break the bank.

On repairs of $300+. One per household.
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FREE

Second Opinion

Got a scary quote elsewhere? We'll take an honest look — free.

On major repairs/replacements.
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100%Satisfaction Guarantee

Our Promise to You

We're a small local team, not a big sales machine — and our name is on every job. If you're not completely happy, we'll make it right. No pressure, no upselling, no call centers. Want worry-free comfort all year? Book a yearly tune-up.

Proudly Local

Serving Palatine & the Northwest Suburbs

Based in Palatine, we provide fast heating & cooling service across the surrounding communities within ~30 miles.

📍 Palatine 📍 Arlington Heights 📍 Schaumburg 📍 Hoffman Estates 📍 Rolling Meadows 📍 Inverness 📍 Barrington 📍 Buffalo Grove 📍 Mount Prospect 📍 Wheeling 📍 Des Plaines 📍 Elk Grove Village 📍 Lake Zurich 📍 Streamwood 📍 Prospect Heights 📍 + Many More →
Reviews

See What Customers Say on Google

Every review is from a real customer, posted on our Google Business Profile.

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Good to Know

Frequently Asked Questions

Yes. We provide same-day emergency heating and cooling service across Palatine and the surrounding northwest suburbs, 7 days a week from 7 AM – 10 PM. Call (224) 389-4430, 7 days a week.

We serve Palatine and suburbs within about 30 miles, including Arlington Heights, Schaumburg, Hoffman Estates, Rolling Meadows, Barrington, Buffalo Grove, Mount Prospect, Lake Zurich and many more. See all areas →

Absolutely. ThermoMaster is EPA certified, fully licensed and insured for your complete protection and peace of mind.

Yes — we offer flexible financing on new furnace and air conditioning installations so you can stay comfortable without the upfront strain.

Every situation is different, which is why we give you an upfront, honest price after diagnosing the problem — and you approve it before any work begins. No surprises, ever.

Need Heating or Cooling Help Today?

Don't sweat it (or freeze!). ThermoMaster is open 7 days a week, 7 AM – 10 PM, to get your home comfortable again — fast.

📞 Call (224) 389-4430 Request a Free Estimate →
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