HVAC Installation
Expert HVAC Installation in Northern Virginia
New system installs, replacements, and upgrades by licensed technicians. Upfront pricing, no surprises.
The Right System, Installed Right the First Time
A properly installed HVAC system is the foundation of year-round comfort in your home. At A United HVAC & Plumbing, our licensed technicians size, select, and install heating and cooling systems that match your home's specific needs — not just whatever's in stock.
We work with all major brands and offer energy-efficient options that can significantly reduce your monthly utility bills. Every installation includes a full system test and walkthrough so you know exactly how to get the most from your new equipment.
HVAC Installation Services We Offer
Central Air & Heat Systems
Full central HVAC system installations for homes of all sizes, including ductwork design and installation.
System Replacements
Seamless replacement of aging or failed systems with modern, energy-efficient equipment.
Ductless Mini-Split Systems
Flexible zone-controlled heating and cooling without the need for ductwork.
Heat Pump Installation
High-efficiency heat pumps that provide both heating and cooling from a single system.
Thermostat & Controls
Smart thermostat installation and programming for maximum comfort and energy savings.
New Construction HVAC
Complete HVAC system design and installation for new homes and additions.
Why Choose A United for Your Installation
Licensed & Insured
All technicians are fully licensed in Virginia and carry comprehensive insurance.
Upfront Pricing
We provide detailed written estimates before any work begins — no hidden fees.
All Major Brands
We install Carrier, Trane, Lennox, Rheem, and other top-rated manufacturers.
Warranty Included
All installations come with manufacturer warranty plus our 1-year labor guarantee.
Frequently Asked Questions
Serving Northern Virginia including:
Ready for a New HVAC System?
Call today for a free in-home estimate. Same-day appointments available.
Licensed & Insured · Serving Fairfax, Arlington, Alexandria, Springfield & Falls Church