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Locally owned and independently operated.

when comfort is on the line
Call Level 9

Level 9 Heating & Cooling delivers expert HVAC services across St. Louis and Washington, Missouri. We provide high-efficiency heating, cooling, and air quality solutions designed for lasting comfort.

Level 1: Built on trust

Expertise you can rely on

Level 1 is about clarity — choosing a team
you trust inside your home.

When your system fails, guesswork isn’t good enough. You need experience, transparency, and follow-through. At Level 9, we diagnose thoroughly, explain clearly, and complete work the right way — no pressure, no shortcuts.

No matter the problem, Level 1 is about identifying the right path forward so you can move confidently toward Level 9 comfort.

  • Upfront pricing before work begins

  • Clean, respectful service in your home
  • Energy-efficient system recommendations
  • Licensed, highly trained HVAC professionals
  • Workmanship backed by strong guarantees
  • Responsive scheduling along the I-44 corridor
Level 2: On to the right solution

It’s time to figure out your home comfort issue

The next step toward lasting home comfort.
 From freezing winters to humid summers in St. Louis and Washington, your system works year-round — and it needs to perform without compromise.

We provide expert heating repairs and replacements built for reliability in the coldest months. Our high-performance cooling systems are designed for efficiency, quiet operation, and long-term savings. And with indoor air quality upgrades, we help you create a healthier, more balanced home environment.

This is where performance begins — and problems start to disappear.

Level 3: Lock the appointment in

Schedule service
with confidence Today

Tell us what’s going on and what time works best. Our scheduling process is built around your availability — not the other way around. Once you submit the form, our team will reach out shortly to confirm details and finalize your appointment.

From the first click to the knock on your door, Level 3 keeps the process moving smoothly.

Level 4: Comfort Within Reach

Flexible financing solutions

Once we identify the right solution, we walk through pricing clearly and confidently. You’ll understand what’s necessary, what adds value, and what makes long-term sense.

For larger upgrades, we offer flexible financing to keep monthly payments manageable while delivering lasting efficiency.

And, explore the current specials to the right for additional savings!

  • $99

    Seasonal tune up for New Customers only
    $99 seasonal tune up for New Customers only!

    Call Today!
    (636) 239-3581

  • $25 Off

    Any service for new customers only, one time use
    $25 off any service for new customers only, one time use

    Call Today!
    (636) 239-3581

  • Free

    First Month of C.A.R.E. Maintenance Plan for New Members
    FREE First Month of the Annual C.A.R.E. Maintenance Plan for New Members

    Call Today!
    (636) 239-3581

  • 10% Off

    $200 or more, one time use
    10% off $200 or more, one time use

    Call Today!
    (636) 239-3581

  • FREE

    Estimate on new AC & Furnace
    Estimate on new AC & Furnace

    Call Today!
    (636) 239-3581

  • $50 Off

    Seasonal tune up for first time customer
    $50 off seasonal tune up for first time customer

    Call Today!
    (636) 239-3581

  • FREE

    Trip charge on service call with repair/parts over $300
    Trip charge on service call with repair/parts over $300

    Call Today!
    (636) 239-3581

    Level 5: prepared. professional. on time.

    what happens during your visit

    No surprises. No confusion. Just informed decisions.

    Know Who is Arriving beforehand
    Thorough system check & diagnosis
    Clear Findings & Recommendations

    Level 5 is where planning meets performance. Before arrival, you’ll receive technician details so you know exactly who is coming to your home.

    We combine structured processes with a personal touch — thorough evaluation, clear explanation, and approved next steps before any work begins.

    “Cameron… took the time to explain everything he did plus answered any questions I had… even made an adjustment to our AC drain hose that no other company technician had ever done.”
    – P Jax
    Level 6: Precision in every detail

    completing the work

    This is where problems get resolved — and confidence is restored.

    Precise Repair & Installation
    System Testing & Verification
    Final Walkthrough
&
    A Clean Space

    With your approval, we move forward with repairs or installation according to manufacturer standards and best practices. Every system is then tested and verified for performance and safety. Throughout the process, we protect your home and keep the workspace organized. Before we leave, we review the completed work, answer any questions, and make sure the space is as clean as we found it.

    Member Benefits

    • Precision tune-ups each year for heating and cooling

    • Priority scheduling during peak seasons

    • Exclusive repair and replacement savings

    • A dedicated member 
service phone line

    • Access to an app with easy scheduling and reminders

    Level 7: stay ahead of breakdowns

    join our C.A.R.E. plan!

    We’re here to keep your come comfortable with comfort, assurance, reliability, and efficiency because true comfort is proactive, not reactive.

    Our C.A.R.E. Plan keeps your system performing at its best while providing priority service and meaningful savings.

    Members enjoy a more streamlined experience — including a mobile app that makes scheduling and tracking maintenance effortless.

    Level 7 ensures you stay at Level 9 — season after season.

    Level 8: share the comfort

    referral rewards

    Great service is worth sharing—and now it pays to do it.

    Refer a friend, family member, or neighbor to Level 9 and earn cash rewards when their project becomes a completed job. It’s our way of saying thank you for trusting us enough to recommend us.

    C.A.R.E. Plan members receive 2× rewards for every successful referral, and the people you refer receive a special discount on their first invoice. Everyone wins—your friends get trusted service, and you get rewarded
for spreading the word.

    Level 9: where comfort meets confidence

    You Can Relax Now. you’re at level 9.

    Your system is running smoothly. The temperature is right. The air 
feels clean. The stress is gone. That’s the Level 9 difference.

    These reviews are from homeowners across St. Louis and Washington who trusted us when comfort was on the line. If your experience matches our promise, we’d be honored if you added to the list!

    Book Online

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