Heating & Cooling
Furnaces, boilers, heat pumps, central AC, ductless and geothermal. Installed, tuned up and repaired.
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Trusted in Northern Indiana since 1987
Repair, installation and 24/7 emergency service for homes and businesses across North Central Indiana.
Tell us what's going on, or call 574-269-3393.
Northern Indiana's home comfort team
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.
Our 24-hour service guarantee means a real person picks up and a technician is on the way, even on holidays.
Furnaces, boilers, heat pumps, central AC, ductless and geothermal. Installed, tuned up and repaired.
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Rooftop units, commercial heating and cooling, and refrigeration, with repairs any time of day or night.
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Whole-home standby power that switches on by itself when the grid goes down. Sold, installed and serviced.
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20+ live burning displays: gas, wood and pellet fireplaces, grills and outdoor living, plus cleaning and repair.
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Every call is answered by a Collier's employee.
If we can't fix it right away, we bring temporary heat or arrange a hotel.
NATE-certified techs. Premier Lennox Dealer and Centurion Award recipient.
You know what the job costs before we start.
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.
Our maintenance program
Financing
On qualifying projects, promotional period only. Check your payment in seconds.
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Tune-ups, discounts and priority emergency service in one monthly plan.
“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.”
“The installation was done with the utmost professionalism and respect for the home. Our air conditioner is working great and exactly what we wanted.”
“Technician was very courteous. Excellent service on our gas fireplace insert. One of our best investments for our home.”
“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.”
“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.)”
“The technician was so polite and business-like. He was very professional and answered all of my questions.”
“Very professional. Made a difficult situation much easier!”
“I would use Collier’s for all of my Heating and Air Conditioning needs!”
“I would highly recommend Collier’s to family & friends.”
“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.”
FAQs
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.
Tell us what's going on and we'll get you scheduled.