BAIR Necessities Heating &
Air Conditioning

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"Your Comfort is a BAIR Necessity"

BAIR Necessities is a family-owned heating and air conditioning contractor, delivering a full spectrum of installation and repair services to residential and commercial customers in Maryland. Count on our experienced, licensed technicians to handle all of your energy, air conditioning, heat pump, heating, gas, oil, hot water and radiant HVAC system needs.

BAIR Necessities is also a recognized Geopro contractor in the installation and maintenance of earth-friendly Geothermal heating and air conditioning systems. Learn how you can save money and earn tax credits by installing a geothermal system.

Our Services

For more than 27 years we have had a very simple business plan: we ALWAYS act in our customers' best interests. Call on us today for installation or maintenance services:

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About Us

BAIR Necessities is a Maryland-based HVAC, Air Conditioning, Heating and Geothermal installation and repair company blending old-fashioned service with cutting-edge green technology. Owned and operated by husband and wife Terry and Karen Bair, BAIR Necessities provides sensible, cost-effective solutions to heating and cooling for both the private and commercial sectors. BAIR Necessities’ experienced, Maryland licensed technicians can handle all of your heat pump, gas, oil, hot water, air conditioning, heating and radiant HVAC system needs.

BAIR Necessities is one of the few companies that has been installing Geothermal HVAC systems for over a decade. Owner Terry Bair recognized that green technologies were the future of the industry, and he became one of the first technicians in this area to become certified in the installation and maintenance of Geothermal systems. After earning the rare Geopro certification, BAIR Necessities is truly the local expert on all things Geothermal.

BAIR Necessities has a commitment to environmentally sustainable practices, and will help you save money and save the environment at the same time. Using ENERGY STAR rated systems and the latest Geothermal technology, we have partnered with the top brands and industries to bring you both unparalleled green services and incredible value.

What BAIR Necessities’ customers appreciate most about Terry and Karen, however, is their genuine concern for their best interests. Simply put, the Bairs are good, spiritually-based people who let their actions bear witness to their core values of honesty and fair dealing. Terry lives his values by always being available to his customers. “You never know when a customer will have an emergency, and you would be surprised how often customers tell me that I’m the only HVAC guy that they can get a hold of,” he said. “It’s a lot of work, but it’s the way I would want to be treated."

“This is not what we do,” Karen said, glancing at Terry with a grin, “it’s who we are.”

Call Bair Necessities Today!

Call us today for a system checkup to make sure that your air conditioning system is up to par and ready for the rest of the winter season and this upcoming spring!

Contact Us

Contact us today! We now offer financing through GreenSky!


Financing Options from GreenSky - No Interest, No Payments For 1 Year

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Visit our partners below for more information on the products and services that we use

BAIR Necessities is member of the Geo Exchange Geothermal association
BAIR Necessities is an authorized dealer of Water Furnace Geothermal systems
Trane Heating & Air Conditioning Systems Specialist
BAIR Necessities is a partner with the Winslow geothermal well company
BAIR Necessities is an authorized dealer of Honeywell heating and air conditioning systems
R.E. Michel Company - Air Conditioning, Heating and Refrigeration Equipment, Parts & Supplies
GreenSky Credit - Home Improvement Loans
BAIR Necessities is an authorized dealer of AprilAire air filtration systems, air cleaners, and humidifiers
Time and Convenience