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Duct cleaning removes dust, pet dander, and debris from inside your ductwork to improve air quality and airflow. Duct sealing closes gaps, holes, and loose joints in the ductwork itself to stop conditioned air from leaking out before it reaches your rooms. They solve two different problems, and a lot of Northern Virginia homes actually […]

If your water heater is rumbling, popping, or taking longer to deliver hot water, sediment is the most likely cause. Minerals in Northern Virginia’s moderately hard water settle at the bottom of the tank over time, insulating the burner or heating element and forcing the unit to work harder for less hot water. Regular flushing […]

TL:DR: Your heat pump switches to emergency heat when the thermostat has manually cut off the compressor — usually because someone flipped the “Emergency Heat” switch, or because a fault (tripped breaker, refrigerant leak, failed compressor, stuck ice) forced it into backup-only operation. Emergency heat is different from auxiliary heat, which kicks in automatically alongside […]

TL;DR        ● Most Northern Virginia homes need roughly 30–60 BTUs of heating capacity per square foot, depending on climate zone, insulation, and home age — but square footage alone can’t give you an exact number.       ● A bigger furnace is not a safer choice. Oversized furnaces short cycle, wear […]

Homes built before 1990 in Vienna, Fairfax, and the rest of Northern Virginia usually have ductwork designed with rule-of-thumb sizing instead of a real load calculation. Add 30 to 50 years of sagging flex duct, leaky joints, and uninsulated attic runs, and the result is uneven temperatures, high energy bills, and dusty rooms. Most of […]

  Your heat pump runs, but the house won’t warm up in January or cool down in July. Before you assume the worst, it helps to know that most heat pump problems trace back to a short list of causes, and several of them you can check in a few minutes without any tools. A […]

A duct cleaning scam usually starts with a cheap whole-house offer, a vague phone call, a Facebook post, or a company that cannot prove who they are. In Northern Virginia, homeowners should check the company’s local identity, written estimate, cleaning scope, equipment, and payment terms before letting anyone clean their HVAC duct system.   What […]

If your water heater is leaking in Northern Virginia, shut off the cold water supply, turn off electric or gas power if safe, stay away from standing water, and check where the leak starts. If water is spreading, spraying, or coming from the tank body, call a licensed technician quickly. A leaking water heater can […]

Written by the Golden Arrow Service team, licensed and insured HVAC contractors serving Vienna, VA and Fairfax County for over 25 years.   A loud banging usually means a loose or failing compressor part. A rattling noise usually means loose hardware, a failing fan, or debris in the outdoor unit. Banging is urgent: shut the […]

A tank water heater costs less upfront, usually $2,100 to $3,200 installed, and drops into your existing setup with no extra work. A tankless unit runs $4,000 to $7,500 or more, but it lasts almost twice as long and handles Northern Virginia’s hard water better when you keep up with maintenance. The tank vs. tankless […]

By the Golden Arrow Service team — family-owned HVAC in Vienna, VA, serving Northern Virginia for 25+ years Yes — for most Northern Virginia homes, a heat pump is an excellent fit. Our region’s mild, four-season climate sits right in a heat pump’s efficient operating range for the large majority of the year, so it […]

Your furnace and air conditioner get all the attention, but the air ducts hiding in your attic, crawl space, and walls decide how much of that heated or cooled air actually reaches your rooms. Most homes need new ductwork when the system is 15+ years old, leaking conditioned air, contaminated with mold, or no longer […]