DC Metro's trusted HVAC & plumbing company — 12 five-star reviews
An outdated system drives up your energy bills every month.
We size, source, and install the right system for your home — no upsells, just the right fit.
In-home assessment — we evaluate your current system, ductwork, and square footage
System recommendation — 2–3 options at different price points with honest pros and cons
Equipment ordering and scheduling — most installs complete within days of approval
Professional installation to code: equipment, line sets, electrical, thermostat, drainage
Full commissioning — we start the system, verify performance, and walk you through operation
Fast diagnosis, lasting fix — we find the root cause, not just the symptom.
Thorough cleaning and sanitization for healthier air and better HVAC performance.
Reliable repairs from licensed plumbers who get it right the first time.
Installation, repair, or replacement of tank and tankless systems.
Properly permitted gas line installation from licensed professionals.
Quick, clean fixes for toilets, faucets, and sink fixtures.
Call De Leon's HVAC & Plumbing for a free estimate — same-day service available across DC, VA & MD.