Whole-Home Generators
Whole-House Standby Generators in Olney, MD
When the power goes out, a whole-house standby generator keeps your home running automatically, no extension cords, no scrambling. Olney Heating and Air Conditioning offers and installs quality standby generators for homes across Olney, Silver Spring, Rockville, Bethesda, Gaithersburg, and the surrounding Montgomery County communities, sized to power the systems that matter most to your family.
Automatic Power, Sized for Your Home
A standby generator connects to your electrical panel and a natural gas or propane supply, starting within seconds of an outage and shutting off when utility power returns. We offer a range of generator sizes, from units that cover essentials to whole-home models, and help you choose the right capacity, then handle the complete installation.
What to Look For in a Generator
Right Capacity
Sized to power what matters, from essentials to your whole home, without paying for more than you need.
Automatic Operation
Starts on its own within seconds of an outage and shuts off when power returns, no action required.
Complete Installation
We handle the generator, electrical work, and transfer switch for a safe, code-compliant setup.
Benefits of a Standby Generator
Uninterrupted comfort and safety during outages, your heat, AC, refrigerator, sump pump, and lights keep running. It protects your home, your food, your basement, and your peace of mind, and adds value for any household, especially those with medical needs or frequent outages.
Reliable When It Counts
A standby generator is only as good as its sizing and installation. We assess your home, recommend the right unit, install it to code, and offer maintenance so it is always ready to perform.
Why Buy Your Generator 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 size generator do I need?
It depends on which systems you want to keep running. We assess your home and recommend the right capacity.
How does it turn on?
Automatically, within seconds of an outage, and it shuts off when utility power returns, no action needed.
What fuel do they use?
Most run on natural gas or propane. We help you choose based on what is available at your home.
Do you handle the electrical work?
Yes. We provide complete installation, including the transfer switch and code-compliant electrical hookups.
Power Through Any Outage
Request a standby generator quote from Olney Heating and Air Conditioning. Automatic, reliable backup power for your Montgomery County home.