(410) 267-0260 sinesacace2020@gmail.com


Sines and Sons has been the #1 choice for many residents and businesses for their heating and cooling needs in Anne Arundel County for the past 20 years.

SAVE $150

Installation of a New System

HVAC Sales and Parts in Arnold, Maryland

Get the parts you need without having to visit the big box stores to do it. When you call Sines and Sons, you will speak to a knowledgeable representative who can answer all of your questions concerning your heating and cooling needs. We can special order the parts you need to repair your heating and air conditioning units. Contact us at (410) 544-1550 and have one of our representatives visit your home and provide a free estimate.


Our expert technicians are able to service, diagnose and repair any make or model of HVAC unit. Don’t let your home be uncomfortable one second longer than it needs to be. Call us today.


If you are looking for a new unit, either to replace a broken one or simply get more efficient indoor comfort, we offer a wide range of quality products and the technicians to expertly install them. Call for an estimate on which product is right for you.


We offer a comprehensive HVAC maintenance plan that takes the guesswork out of keeping your system running smoothly.

New System Installation

Call Sines and Sons today for $150 off on the installation of your new HVAC comfort system in Arnold, Maryland