Frequently Asked Questions

Yes. Standard Air provides free estimates on new installations and replacements. Call 571-781-4700 or request a quote through the website and we'll get back to you quickly.

We're based in Dumfries, VA and serve homeowners across Northern Virginia, including Manassas, Woodbridge, Stafford, Montclair, Dale City, Stafford County, and Fairfax County.

Yes. Standard Air Heating and Air Conditioning holds VA Class B License #2705171786 and is fully insured, with 30+ years of hands-on HVAC experience.

We offer 24/7 emergency service on Saturdays and Sundays, and standard service Monday through Friday from 8am to 5pm. If your heat or AC goes out on a weekend, call 571-781-4700 any time.

We install, repair, and maintain air conditioners, heaters, and heat pumps, and also handle water heater installation and replacement, indoor air quality solutions, gas logs, patio heaters, and whole-house water treatment.

Twice a year: a cooling tune-up in spring and a heating tune-up in fall. Regular maintenance keeps energy bills down, extends equipment life, and catches small problems before they become breakdowns.

Age is the biggest factor. Systems 10–15 years old that need a costly repair are often better candidates for replacement, since new high-efficiency equipment lowers monthly bills. We'll always give you an honest assessment of both options — repair when it makes sense, replace only when it saves you money long-term.

Most residential replacements are completed in a single day. More involved projects, like ductwork changes or converting to a different system type, can take longer — we'll give you a clear timeline with your estimate.

We service and repair all major HVAC brands, and we'll recommend equipment based on your home and budget rather than pushing one manufacturer.

Common causes include a clogged filter, low refrigerant from a leak, a failing capacitor, or a frozen evaporator coil. Start by checking your filter and thermostat settings; if that doesn't fix it, give us a call — running a struggling system can cause bigger damage.

Yes — we handle water heater installation, repair, and replacement, including help choosing the right size and type for your household's hot water needs.

Call us at 571-781-4700, use the quote form on the contact page, or tap any 'Get A Free Quote' button on the site. We respond quickly, and weekend emergencies are answered 24/7.