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HVAC Replacement or New Installation?


Whether you need HVAC replacement or a new installation of a furnace, air conditioner, heat pump or air filtration system, we get the job right the first time!

Tetteris HVAC LLC offers air conditioning and heating installations and replacement services for the Frederick, MD and greater DC area.


Call us for questions or to set up a consultation. Call us today at (443) 676-8928.

HVAC Installation

Whether you need a new air conditioning or heating unit, our certified technicians have the ability and experience it takes to complete the project on time. Our technicians are also able to work with the budget and equipment you prefer and choose. Big or small HVAC installation or replacement job, we highly believe in satisfying our customers!

HVAC Replacement

Many home owners do not realize that there are many different replacement options when it comes to older air conditioning and heating systems. Here at Tetteris Heating & Air, we discuss a variety of HVAC replacement available for your home. We provide you with the pros and cons of replacing your older unit with a new high-efficiency unit. Modern HVAC models feature a higher SEER rating (SEER – Seasonal energy efficiency rating). The higher the SEER ratings mean greater efficiency, environmentally-friendly refrigerant and higher efficiency which can reduce your bill significantly!

Repair or Replace?

Deciding whether or not to repair or replace an existing unit is a big question. In some cases, an extensive repair service can fix an air conditioning unit or heating unit. At Tetteris Heating & Air, we provide you with an honest written evaluation and estimate for repairing your existing system. Repair or Replace… our experienced HVAC experts are here to help.

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