Collier's service trucks outside the Warsaw, Indiana shop

Trusted in Northern Indiana since 1987

Unrivaled Service for All Your Home Comfort Needs

Repair, installation and 24/7 emergency service for homes and businesses across North Central Indiana.

  • 38 years in business
  • Top dealer for every brand we carry
  • Dealer-trained & NATE-certified

Schedule Service

Tell us what's going on, or call 574-269-3393.

Northern Indiana's home comfort team

Doing the job right since November 1987

Founders Joe Collier and Ken Diekhoff started Collier's by purchasing a Lennox dealership in Warsaw. Today our dealer-trained, NATE-certified technicians handle heating repair, cooling installation and service, water heaters, tankless water heaters and generator sales.

We hold the top dealer designation for every brand we represent, give up-front pricing, and treat every home like our own.

No heat? No cool? We answer 24/7.

Our 24-hour service guarantee means a real person picks up and a technician is on the way, even on holidays.

574-269-3393
Collier's Heating & Air Conditioning and Fireplace Shoppe building at 2315 N. Shelby Drive, Warsaw

Why Warsaw Calls Collier's

A person, not a machine

Every call is answered by a Collier's employee.

24-hour guarantee

If we can't fix it right away, we bring temporary heat or arrange a hotel.

Certified and proven

NATE-certified techs. Premier Lennox Dealer and Centurion Award recipient.

Up-front pricing

You know what the job costs before we start.

Dave Lennox Premier Dealer WaterFurnace GeoPro Master Dealer Mitsubishi Electric Heating & Air Conditioning Generac NATE certified BBB Accredited Business, A+ rating Kosciusko Chamber of Commerce

Water Heater & Tankless Water Heater Service

Tank or tankless, we install, repair and maintain the hot water equipment your home or business runs on. Ask us whether tankless is right for you.

Get a Water Heater Quote
HomeSaver's Club logo

Our maintenance program

Fewer Repairs. Longer Equipment Life. One Low Monthly Fee.

  • Annual AC and furnace tune-up
  • Discounted repairs and service
  • Discounted emergency calls, 24/7
  • Discounted propane tank refills
Join the Club Plans from [$10.99]/month
Stack of U.S. hundred-dollar bills

Comfort Doesn't Have to Break the Bank

Limited time

HVAC Tune-Up $147

Keep your system at peak performance. Call for details.

574-269-3393

Financing

0% APR Options

On qualifying projects, promotional period only. Check your payment in seconds.

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Members save

HomeSavers Club

Tune-ups, discounts and priority emergency service in one monthly plan.

What Our Customers Say

★★★★★
“I hired Collier’s to install a central air system in my tri-level home. They did an excellent job. Had many unforeseen obstacles, but came out great in the end. Very easy to work with and would highly recommend them.”
Dakota, Markle
★★★★★
“The installation was done with the utmost professionalism and respect for the home. Our air conditioner is working great and exactly what we wanted.”
Marvin, South Whitley
★★★★★
“Technician was very courteous. Excellent service on our gas fireplace insert. One of our best investments for our home.”
Gary and Julia, Mentone
★★★★★
“I’ve been very satisfied with every interaction that I’ve had with your representative. The technicians were friendly, professional and methodical. The workmanship was excellent as well.”
Jesse, Columbia City
★★★★★
“Everyone was knowledgeable, courteous and the work was done in a timely manner, and we are completely satisfied with the whole job. Thank you. (We will recommend you.)”
Ronald, Warsaw
★★★★★
“The technician was so polite and business-like. He was very professional and answered all of my questions.”
Ron, North Webster
★★★★★
“Very professional. Made a difficult situation much easier!”
Dave, Syracuse
★★★★★
“I would use Collier’s for all of my Heating and Air Conditioning needs!”
Jami, Warsaw
★★★★★
“I would highly recommend Collier’s to family & friends.”
Dane, Pierceton
★★★★★
“Besides providing products and services to keep humans warm, you also do so for exotic pets. Also, we appreciate the manner in which the new store was timely fixed and up and running again.”
Rusell, Albion
Read more reviews →

Proudly Serving North Central Indiana

  • Warsaw
  • Winona Lake
  • Columbia City
  • Plymouth
  • Rochester
  • Syracuse
  • North Manchester
  • Wabash
  • Nappanee
  • Goshen
View all 37 towns →

Common Questions

Since November 1987, giving us over 38 years of experience serving residential and commercial customers in the Warsaw, IN area.

Yes. We provide HVAC repair and installation for homes and commercial properties throughout our service area.

Yes. We offer 24/7 emergency repair so you're never left without heating or cooling when you need it most.

We install and service traditional and tankless water heaters and help you choose the best fit.

Yes. Our technicians are NATE-certified and dealer-trained.

Let's Get Your Comfort Back

Tell us what's going on and we'll get you scheduled.