Complete HVAC Packages
Sales, Service & Installation
Controlled Climates LLC delivers complete heating and cooling equipment sales, precision installations, and routine maintenance across Westchester County.

Complete HVAC Packages
Controlled Climates LLC delivers complete heating and cooling equipment sales, precision installations, and routine maintenance across Westchester County.
Quality Systems
Precision Sizing
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 Whether you are upgrading an outdated heating system, replacing an AC unit, or fitting out a new commercial space, we handle every stage of the project.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.

Sales & Service
End-to-end HVAC support from initial system selection through professional installation and maintenance.
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Contact our team today to discuss equipment options or request a free estimate on your heating and cooling project.
Mobile Service Area
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

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

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