Technicians work on an American Standard HVAC unit on a rooftop under a blue sky.

Complete HVAC Packages

Sales, Service & Installation

Controlled Climates LLC delivers complete heating and cooling equipment sales, precision installations, and routine maintenance across Westchester County.

Quality Systems

Turnkey HVAC Installation

Precision Sizing

Expert Mechanical Sales & Installations

Controlled Climates LLC provides turnkey HVAC equipment sales, precision installations, and routine maintenance services across Westchester County, NY. Whether you are upgrading an outdated heating system, replacing an AC unit, or fitting out a new commercial space, we handle every stage of the project.

Led by owner Donell Oliver (H.I. Contractor # WC-28564-H16), we provide thorough equipment sizing, clean mechanical piping, 24-hour emergency support, and free estimates on all installations.

A Luxaire HVAC unit and condensate pump are installed in a basement.

Sales & Service

Full-Cycle Services

End-to-end HVAC support from initial system selection through professional installation and maintenance.

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Equipment Sales

High-performance heating and cooling equipment matched specifically to your property's load requirements.

A new outdoor air conditioning unit is installed next to a house with black brick and white stucco exterior walls.
A new outdoor air conditioning unit is installed next to a house with black brick and white stucco exterior walls.

Ready for a New HVAC Installation or Free Estimate?

Contact our team today to discuss equipment options or request a free estimate on your heating and cooling project.

Mobile Service Area

Serving Westchester County

Controlled Climates LLC provides prompt mobile heating and cooling services throughout all of Westchester County, NY.

(914) 441-7831

sunday

8:30 AM - 4:30 PM

monday

8:30 AM - 4:30 PM

tuesday

8:30 AM - 4:30 PM

wednesday

8:30 AM - 4:30 PM

thursday

8:30 AM - 4:30 PM

friday

8:30 AM - 4:30 PM

saturday

8:30 AM - 4:30 PM

An indoor air handler cabinet neatly fitted into a narrow utility closet.
Darnell was nothing short of Amazing. Always on time and very thorough. Saved me a lot of aggravation, time and money as he is and has always been very reasonable.

Keith Arner

Free estimates on new equipment and replacements

Request an Installation Quote

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An indoor air handler cabinet neatly fitted into a narrow utility closet.
Darnell was nothing short of Amazing. Always on time and very thorough. Saved me a lot of aggravation, time and money as he is and has always been very reasonable.

Keith Arner