Furnaces
Furnaces for Your Olney, MD Home
A quality furnace is the heart of a warm, comfortable home through Maryland’s winters. Olney Heating and Air Conditioning offers a full line of high-efficiency gas, propane, and electric furnaces, professionally sized and installed for homes across Olney, Silver Spring, Rockville, Bethesda, Gaithersburg, and the surrounding Montgomery County communities. We help you choose dependable equipment that delivers years of even, economical heat.
Efficient, Reliable Home Heating
Modern furnaces reach efficiencies of 95% AFUE and beyond, turning nearly every dollar of fuel into usable heat, with quiet, variable-speed operation that keeps temperatures steady from room to room. We carry single-stage, two-stage, and variable-speed models so you can match performance and budget, then we size and install for peak efficiency.
What to Look For in a Furnace
High Efficiency (AFUE)
Higher AFUE means lower fuel use. We help you choose the efficiency level that pays back best for your home.
Variable-Speed Comfort
Two-stage and variable-speed furnaces deliver quieter, steadier, more even heat than older single-stage units.
Right-Sized Installation
A load calculation ensures your furnace is sized correctly, for efficiency, comfort, and long life.
Benefits of a New Furnace
Lower heating bills, quieter operation, more even temperatures, improved reliability, and better humidity and air handling. Upgrading from an older 70 to 80% unit to a modern high-efficiency furnace makes a noticeable difference every winter.
Built to Last
Quality furnaces, properly installed and maintained, deliver 15 to 20 years of dependable heat. We install to manufacturer specs and offer maintenance plans to protect your investment and warranty.
Why Buy Your Furnace From Us
Olney Heating and Air Conditioning is a licensed, insured, family-owned business serving Olney, Silver Spring, Rockville, Bethesda, Gaithersburg, and the surrounding Montgomery County communities for over 40 years. We help you choose the right equipment, install it properly, and back it with honest, fair-priced service.
Frequently Asked Questions
What efficiency furnace should I buy?
Many Montgomery County homeowners do well with 90 to 96% AFUE models. We calculate the payback for your home so you invest wisely.
Gas, propane, or electric?
It depends on what is available and economical at your home. We help you choose the right fuel and model.
What size furnace do I need?
The right size comes from a load calculation. Oversized or undersized furnaces waste energy and hurt comfort, we size yours correctly.
Do you install and service the furnace?
Yes. We professionally install your furnace and offer maintenance to keep it efficient for its full life.
A Warmer, More Efficient Home
Request a furnace quote from Olney Heating and Air Conditioning. Quality heating equipment, expertly installed across Montgomery County.