When your home or commercial property in Annandale, VA, requires reliable, top-quality heating, ventilation, and air conditioning services, turn to C.D. Shanahan’s. As a local team of certified HVAC specialists, we have been serving the Northern Virginia region as a familyowned and operated HVAC company for over four decades, offering comprehensive and affordable solutions to the Annandale community.
Maintaining your heating and cooling systems is essential for year-round comfort, and our expert service technicians are equipped to handle all your Annandale HVAC requirements. We provide specialized residential and commercial HVAC repair, offering free estimates and swift, reliable service to quickly diagnose and fix any issue, from minor leaks and unusual system noises to performance drops and major component failures.
For enhanced system longevity and to save money on energy bills by preventing unexpected and costly breakdowns, we highly recommend our preventative HVAC maintenance plans. When you are ready for an upgrade to a new furnace, heat pump, boiler, or central air conditioner, we will consult with you to recommend a system that perfectly matches your budget and ensures optimal performance for your Annandale home or business.
The air inside your Annandale property matters for your health and well-being. Annandale homes and businesses can significantly benefit from our highly effective air purification and filtration solutions. Designed to seamlessly integrate into your current HVAC setup, these modern systems work to capture and eliminate airborne pathogens like mold, bacteria, viruses , and even pet dander with remarkable 99.997% efficacy.
We install, maintain, and repair comprehensive whole-house humidifiers, dehumidifiers, advanced air purifiers, and ventilation systems.
From minor fixes to full system upgrades, our licensed Annandale electricians provide professional and safe electrical services for all your needs. This includes installing home EV charging stations, replacing outdated outlets, upgrading your home electrical panel, or installing new lighting fixtures and chandeliers for both residential and commercial clients. Our same-day emergency Annandale electricians are always on standby for your call.
A small leak or blockage in your plumbing can quickly escalate into a serious and expensive issue. That’s why C.D. Shanahan’s provides prompt and dependable plumbing services for homes and businesses throughout Annandale, VA. Our experienced, licensed plumbers offer comprehensive plumbing repairs, including clogged drain clearing, hot water heater repair and replacement, toilet repair, sewer line service, and new plumbing fixture installation.
Planning a remodel for a new kitchen, an updated bathroom, or a complete home renovation? Our general contracting and remodeling services offer a complete, stress-free solution for Annandale residents and business owners. By acting as your one-stop partner with in-house HVAC, electrical, and plumbing experts, we eliminate the hassle of sourcing and coordinating multiple contractors, saving you both time and money.
CD Shanahan’s HVAC is proud to be Annandale’s trusted choice for heating and cooling services. We are here to serve you, so contact us today to book a service appointment or to receive a complimentary estimate.
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