DC Metro's trusted HVAC & plumbing company — 12 five-star reviews
New appliances or renovations require safe, permitted gas line work.
Properly permitted gas line installation from licensed professionals.
Assessment — we evaluate your existing gas supply, pressure, and appliance requirements
Permit application — we pull the required permit before any work begins
Licensed installation — new line or extension run to code with proper fittings
Pressure and leak testing — every connection is tested before the line is commissioned
Inspection and sign-off — we coordinate the required inspection and provide documentation
Fast diagnosis, lasting fix — we find the root cause, not just the symptom.
We size, source, and install the right system for your home — no upsells, just the right fit.
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.
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.