Delaware County, PA
Heating and air conditioning repair across Delaware County
No heat or no cooling somewhere in Delco? Tell us the town and what the system is doing. We cross the river from West Deptford to fix furnaces, boilers, central air and heat pumps.
Updated October 2026

- Covers
- River towns, inner suburbs and the western townships
- Common calls
- Boilers in older twins, furnaces and AC in later homes
- Phone
- Answered 24/7
Short answer
Jim's Repair Service fixes heating and cooling in Delaware County, PA, working from our base across the Delaware River in West Deptford, NJ. We repair and replace furnaces, hot water and steam boilers, central air, heat pumps and ductless systems, from older twins near the Philadelphia line to newer houses in the western townships. The phone is answered 24 hours a day.
From city-line twins to the western townships, what Delco homes run on
Delaware County changes a lot from one end to the other. The eastern towns that touch Philadelphia are packed with brick twins and rowhomes, many still heated by a gas boiler feeding cast iron radiators or baseboard. Move west and the houses spread out: stone and frame singles, postwar colonials and split-levels on forced air with central AC, then newer subdivisions where a heat pump or a two-stage furnace is common. One county, several very different service calls, so we ask about the house before we head out.
Getting there means crossing the Delaware River from West Deptford, and the river towns in the southern part of the county are the shortest run from our side. Calls further north toward the Main Line, or deep into the western townships, take longer, and we say so on the phone rather than promising a time we cannot keep. If the problem can be made safe while you wait, the person who answers walks you through it, like closing a boiler's water feed or switching off an iced-up air conditioner.
What breaks follows the housing. In the older twins, it is boiler controls, circulators, expansion tanks that lost their air charge and radiator valves that weep onto the floor. Central air added to those houses later often runs through tight attic ducts or a high-velocity system, and those coils freeze when filters are ignored. In the newer houses out west, we see failed capacitors, clogged condensate lines on high-efficiency furnaces and heat pumps stuck in defrost. We test first, because a part that fits the symptom is not always the part that failed.
Most called for here
The repairs Delaware County calls us for most
Boiler Repair
Many twins near the Philadelphia line still heat with hot water boilers that need circulator, valve and expansion tank work.
Furnace Repair
Forced air furnaces in the postwar colonials and split-levels fail on ignitors, flame sensors and blocked condensate drains.
AC Repair
Humid river-valley summers keep central air running long hours, and capacitors and contactors give out under that load.
Heat Pump Repair
Newer homes in the western townships often run heat pumps, which need defrost, reversing valve and refrigerant checks.
High-Velocity Central Air
Older Delco houses built without ductwork often get small-tube high-velocity cooling, which needs careful sizing and balancing.
Water Heater Replacement
Tank water heaters in tight basements wear out quietly, and the venting has to be checked whenever one is swapped.
We take calls across the county, from the river towns around Chester up through Upper Darby, Haverford and the Main Line. Give us the address and we tell you plainly how long the drive will take.
Often, yes. A cast iron boiler with sound sections can keep running for years with new controls, a circulator or a tank. We check for leaks and flue condition before recommending repair or replacement.
Yes. The usual options are ductless mini-splits, a high-velocity small-duct system, or new ducts through the attic for the upper floor. We look at the layout first and explain the trade-offs of each.
We do. We check defrost operation, refrigerant charge, the reversing valve and the auxiliary heat strips, since a heat pump leaning on backup heat all winter usually means something is wrong.