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Master Service Appliances Inc. has been servicing the New York Metropolitan Area since 1978, selling, installing and repairing air conditioning systems and room heating/cooling units of all makes and models.
Our company is family owned and operated and we have a staff of expert installers and technicians ready to service your needs in Brooklyn, Queens, Manhattan, Staten Island and Long Island.
Relying on the advice of salespeople could result in purchasing an air-conditioning unit that doesn't meet your actual needs.
Instead, we can offer you personalized service at your location helping you find the
right solution for all your air-conditioning needs. This is our main goal, along with our motto "Get it right the first time!".
The customer's home property and safety is always our priority.
We are fully insured and all our service and repair work is guaranteed for 90 days (parts & labor) and one year on compressor replacement (part only).
We are
a Friedrich Factory Authorized Warranty Service Center.
So, let our highly trained and experienced professionals, make your air-conditioning experience -
a great one !
Call us today!


We are experts in all types of installation of heating & cooling room units:
Bottom of Window installation, Top of Window installation, Through the Wall installation, Top of Door (Transom) installation, Custom Window installs - just to name a few.
We also correct improper installations, do sleeve replacement, new holes cut, hole enlargements and reductions, and install brackets on bottom of window of air-conditioners, thus removing violations imposed by the City of New York, Insurance Companies and Realty Management.
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Service & Repair

Our staff are highly trained and experienced professionals that can troubleshoot and repair air-conditioning units of all makes and models.
We are a
Friedrich Factory Authorized Warranty Service Center.
We offer repairs in shop and repairs on site, coming convniently to the customer's location.
Don't hesitate to drop your room unit off at our shop for a
free Bench Check.
We also do cleaning and service projects for entire buildings and specialize in PTAC and HVAC systems repair.

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Servicing New York Metropolitan Area since 1978
Brooklyn, Queens, Manhattan, Staten Island, Long Island

861 41st Street - Brooklyn, NY 11232
(718) 851-6600 -
(718) 851-6601
Toll-Free (844) MSA 4 NYC

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