Cooling a Logan Circle rowhouse is its own kind of challenge. Most of these homes went up between roughly 1875 and 1900, built for radiator heat and a coal cellar, not for the central air and heat pumps owners later threaded through them. That history shows up in every service call we run here: refrigerant lines snaked up old chases, condensate drains routed through plaster walls with no slack, and outdoor units tucked into narrow side yards or perched off rear additions where airflow is already tight. When a system on a setup like that stops cooling — blowing warm air, icing over, or just sitting dead in the heat — the fix is rarely as simple as it would be in a 1990s build, and we plan for that before we ever pop a panel.
We handle the full range of AC repair these homes throw at us: a frozen evaporator coil from low refrigerant or weak airflow, a refrigerant leak that's left the system limping, a clogged condensate drain backing up near finished living space, a failed capacitor or contactor keeping the outdoor condenser from starting, or a condenser that's gone silent entirely on a 95-degree afternoon. We diagnose first, explain exactly what failed and why, and quote a flat rate before any work begins — diagnostics run $75–200 (often credited toward the repair), and most repairs land between $150 and $450. Same-day appointments are the norm during DC's hot, humid stretch, with 24/7 emergency coverage when a unit quits overnight.
Logan Circle note: Because Logan Circle sits inside a protected historic district, swapping or relocating exterior equipment isn't always a free choice — visible condensers and line sets can fall under review, which is why so many homes here lean on mini-split retrofits and rear-yard placements. We work within those constraints, repairing what's there and keeping replacement components discreet rather than triggering an avoidable battle with the rules.
Common AC Repair Issues We Fix in Logan Circle
- AC not cooling or blowing warm air on the hottest days
- Frozen evaporator coil from dirty filters, low refrigerant, or blocked airflow
- Refrigerant (R-410A / R-22) leaks — hissing or oily residue near the coils
- Clogged condensate drain causing water leaks and high humidity
- Failed capacitor or contactor (compressor hums but won’t start)
- Short-cycling or uneven cooling between floors in row houses
What's Included
- Full system diagnostic to find the real root cause, not just the symptom
- Capacitor, contactor, and relay testing and replacement
- Refrigerant leak detection and recharge for R-410A and legacy systems
- Frozen coil thaw-out and airflow correction
- Condensate drain clearing and overflow safety checks
- Condenser fan motor, compressor, and control board repairs
- Upfront flat-rate pricing reviewed before any work starts
Explore our full AC Repair service, or see all HVAC services in Logan Circle.
What It Costs
In Washington, DC a diagnostic visit typically runs $75 to $200, and we often credit it toward the repair when you move forward with us. Most repairs land between $150 and $450, with minor fixes starting around $89; a failed capacitor is usually $150 to $300, a refrigerant recharge roughly $218 to $545 depending on the leak and charge, and a full compressor replacement $1,200 to $2,800. Every job gets an upfront flat-rate quote first — call us for a free estimate before you commit to anything.