Millas Heating & Cooling LLC

04/02/2026

with a indirect water heater and a oil burner!! This home owner was no April fool upgrading his leaking single pass boiler to a high efficiency triple pass boiler!! Call us to schedule a free quote for a system upgrade!! 860-415-9962

03/05/2026

The .99% Heat Pump loan program is almost done with it’s extension!! The promotion ends 3/31, but you still have time!!!⏰ Call us today to schedule a free estimate! 860-415-9962

offers some of the most advanced heating & cooling equipment on the market today. With a system for almost every application Mitsubishi's got you covered for all of your heating & cooling needs. Call us today to schedule a free estimate! We'll walk you through the rebate programs and incentives both Eversource and Groton Utilities are offering their customers for Heat Pump installations. We have financing available through and the program.
Their Heat Pump specific special .99% finance rate runs until 1/31/2026!!!!!

01/08/2026

We’d like to thank all of our loyal customers AND employees who have grown with us through the years! We wouldn’t be here without you!!
🙌🏻🙌🏻🙌🏻
2026 marks 10 years in business for !! 🎉🎊🥳
It’s been wonderful serving southeastern Connecticut and we look forward to offering you the same great service for years to come!! We’re here if you need us!! 860-415-9962

12/25/2025

Merry Christmas from all of us at !!!!!🎄🎅🧑‍🎄

12/17/2025

offers some of the most advanced heating & cooling equipment on the market today. With a system for almost every application Mitsubishi's got you covered for all of your heating & cooling needs. Call us today to schedule a free estimate! We'll walk you through the rebate programs and incentives both Eversource and Groton Utilities are offering their customers for Heat Pump installations. We have financing available through and the program.
Their Heat Pump specific special .99% finance rate runs until 1/31/2026!!!!!

11/27/2025

Wishing all of you a Happy Thanksgiving from all of us at
Have safe travels and enjoy the day!!

07/04/2025

Happy 4th from everyone at
Looks like we’ve got a perfect New England weekend on our hands!!🌞☀️

05/12/2025

offers some of the most advanced heating & cooling equipment on the market today. With a component for almost every application Mitsubishi's got you covered for all of your heating & cooling needs. Call us today to schedule a free estimate! Check out mitsubishicomfort.com to learn more about Heat Pump systems and the benefits of having one in your home. Ask us about the rebate programs and incentives both Eversource and Groton Utilities are offering their customers for Heat Pump installations.

Provides service and installation of residential heating and cooling equipment to Southeastern CT.

04/08/2025

🔥We're Hiring! 🔧Open positions for Apprentice and Licensed Installer/Service Tech. Excellent pay & benefits!

Send resumes to [email protected]
Apprentices: Classroom work completed required
Licensed Holders: Active S or D license required