Hiller / Promotions

Purchase Select New HVAC Systems and Get a FREE Smart Thermostat

It’s our 34th birthday, and we’re celebrating by offering a FREE Smart Thermostat with the purchase of select new HVAC systems.

Celebrate with us all month – call Hiller today!


  • Call for details.
  • Cannot be combined with other offers or discounts.
  • Valid with select new HVAC systems only.
  • Expires 7/31/24.

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Special financing offers available

Buy today, pay over time

The Happy Hiller Credit Card* also brings you:


Revolving line of credit that you can use over and over again


Special financing where available


Convenient monthly payments to fit your budget


Easy-to-use online account


Special financing
offers available

*The Happy Hiller credit card is issued with approved credit by Wells Fargo Bank, N.A., an Equal Housing Lender..

Fast credit decisions:
In emergency situations, you don’t have a lot of time to waste.
Multiple ways to make a payment:
Conveniently make a payment by mail, by phone, or online.
Friendly customer service
Representatives will answer any questions or concerns you may have.
Revolving line of credit
This convenient option means you can pay for home services over time.
Step 1
Book an appointment.

Call, text, or click to schedule your appointment, anytime day or night.

Step 2
We’ll show up

When our technician is headed your way, we’ll send you their photo, exact arrival time, and a link you can click to track their progress to your door.

Step 3
Be all smiles

We’ll get you up and running, and our Happy Hiller Club will keep you that way. Just imagine how relieved you’ll feel when it’s so easy, quick, and (most importantly) done.

Happy You’ll Be or the Service is FREE!

Happy You’ll Be or the Service is FREE isn’t just our motto, we actually stand behind it.

We do not think any customer should go unhappy. Should at any point you are unhappy and we cannot resolve your problem, you will not be charged for the service!


Why people trust us so much

4.8 out of 5 Based on 1,250 reviews

“Installed a UV light to prevent bacterial buildup and fall maintenance. Service was professional. The reason for needing the light was clearly explained. The part was installed quickly. The technicians were friendly.”

Lynn A.

via Google - Hiller LLC, Nashville, TN

Posted on

“The technician was very friendly and efficient. He let me know what the cost would be for different scenarios upfront which was much appreciated. Great service and would recommend.”

Brittany T.

via Google - Hiller LLC, Nashville, TN

Posted on