We’re here to EARN YOUR TRUST
by recommending OPTIONS
that are RIGHT FOR YOU

Client Reviews

“The tech was great and extremely helpful. Found parts after business hours to get the repair done same day. Excellent work! Very nice and knowledgeable.” – Seth & Carl A.

“Fast, professional and helped in a time of great need. Even though it was an easy fix my technician did an excellent job and gave me advice on future issues that may come up. Highly recommended.” – Daniel J.

“I was very impressed with Michael’s knowledge and expertise. Because of that, the repair time was shorter than I had expected.” – Cindy M.

“I hope Brian is the tech that is sent out the next time I need service, he explained how my T stat works and made necessary adjustments.” – George A.

“DJ was great, we are very happy with the service he and your company provided. We picked a plumbing service out of the “yellow pages” and feel so lucky to have chosen your company and your employees.” Lisa & Hugh M.

“Joe was GREAT! He was on time, knew all the issues and helped me re-program the control box and cell phone app!! He did way more than just fix the heating unit, he helped make it work better!!” – Nick K.

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Financing available with approved credit!

Why Choose Williams Comfort Air?

Williams Comfort Air and Mr. Plumber combine to create the most comprehensive, client-focused home service company in Central Indiana. Our process-driven team of experts is connected through a commitment to excellence, and a passion for serving others. We earn trust by educating on options, working in the best interest of every client, and back up everything we do – in writing. Our goal is to exceed your expectations by always providing a true comfort experience that feels right, because you know it’s right.

Locally owned and operated, since 1966, Williams Comfort Air has proudly established lifelong relationships with our HVAC and plumbing clients built on a foundation of trust. Our team is here to serve you and your home 24 hours a day, 7 days a week if the need ever arises. We would love the opportunity to prove to you that we are the best choice for to keep your home healthy, safe & comfortable.

We are a winning team that is solution-focused with highly ethical people who are personally connected and in service to others.

Personally Connected
Highly Ethical
Solution Focused
A Winning Team
In Service To Others

True Comfort Membership

Our True Comfort Membership gives you priority service and helps prevent heating, cooling, and plumbing problems. You will save money on HVAC and plumbing service, as well as equipment. Save money on your heating and cooling bills and add years to the life of your HVAC and plumbing equipment.

Benefits of becoming a complete HVAC & Plumbing True Comfort Member:

  • 3 Maintenance visits per year
  • $5 Monthly HVAC & plumbing equipment accrual (reward vouchers)
  • 24/7 Emergency service (no overtime charge)
  • 2 Year parts & labor warranty
  • 15% Discount on all HVAC repairs
  • 15% Discount on all indoor air quality products
  • 5% Discount on HVAC equipment (+ accruals)
  • 10% Discount on plumbing equipment (15% on tankless water heaters)
  • FREE Diagnostics with repair
  • $20 OFF diagnostics without repair

Who Is MAX?

WCA Color Standing Max

Max is an important part of our team. He is more than just a cartoon character. Max represents our commitment to quality work, craftsmanship, pride, and our passion to serve our clients and community. We celebrate this mentality through Max because these are the values that drive us to be the area’s most complete and comprehensive home service company. So, now when you see Max, you’ll know the story behind the man with the mustache!

Our Coverage Area

Got a question about heating, cooling, air quality,
plumbing, drains, sewers, or water treatment?


We focus on providing the best client experience possible by doing what’s in your best interest. We hope that you will be impressed with our team and refer us to your family, friends, and neighbors when they are in need of heating, cooling, or plumbing services. We will appreciate the opportunity to earn their trust, and we will send you CAIRfree Rewards as well as provide a discount to the person you refer.

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