Heating & Cooling First
HVAC Service & Repair in Reading
PJ MAC HVAC Service & Repair is a full-service HVAC contractor โ 24-hour AC and heating repair, installation and maintenance come first, backed by NADCA-standard air duct and dryer vent cleaning.



When you call PJ MAC HVAC Service & Repair for a breakdown in Mohnton, PA, you get a clear, step-by-step process rather than guesswork. We run 24-hour AC and heating repair from our Reading office, we're family owned and operated, our technicians are EPA 608 certified, and owner Doug is a Master HVAC Technician with over 32 years of experience. The first step is always a phone call to (610) 672-3044.
How a Cooling Repair Visit Unfolds in Mohnton
A Mohnton AC call starts with a full diagnosis, not a parts swap. We check the charge, test the capacitor and contactor, inspect the compressor, and look at the coils and airflow before naming a cause. Then we explain what failed and what the repair involves, and only with your go-ahead do we carry it out. If a refrigerant leak is behind the trouble, we find and seal it rather than simply topping off the charge, so the fix lasts. We work on Lennox, Carrier, Trane, Goodman and all other brands, so the same orderly process applies whatever you own.
- โFull system inspection and electrical testing
- โRefrigerant charge and leak verification
- โPlain-language explanation of the cause
- โRepair completed only after you approve it
Our Approach to Heating Service
Heating calls in Mohnton follow the same disciplined path. We confirm whether you have a gas or oil furnace, a boiler or a heat pump, then test ignition, controls and safety components. On older furnaces that includes a careful look at the heat exchanger for cracks, given the carbon monoxide risk, so nothing is overlooked before we hand the system back to you. We also check the thermostat and venting, because a heating complaint sometimes traces to a control or airflow issue rather than the furnace itself.
From Repair to Replacement Planning
If the diagnosis points to a system on its last legs, we shift smoothly into planning a replacement. That means a free estimate, right-sizing for your Mohnton home, a walkthrough of efficient brand options, removal of the old unit, and a clean install. We size to the home rather than to a generic rule, so the new system runs efficiently rather than cycling on and off. New equipment carries manufacturer warranties, and you decide the timeline.
Serving Mohnton and Nearby Berks County
Working out of Reading, we serve Mohnton and surrounding Berks County towns such as Reading, Shillington, Bernville, Brownsville and Leesport. We also offer air duct cleaning when a home calls for it, though heating and cooling repair is our main focus in Mohnton.
Ready to get the process started in Mohnton? Call PJ MAC at (610) 672-3044 any time, day or night, for repair or a free replacement estimate.
Areas We Serve from Reading
- Reading, PA
- Leesport, PA
- Garfield, PA
- Bernville, PA
- North Heidelberg, PA
- Brownsville, PA
- Robesonia, PA
- Wernersville, PA
- Mohnton, PA
- Temple, PA
- Laureldale, PA
- Pennside, PA
- Reiffton, PA
- Shillington, PA
- Baumstown, PA
- Birdsboro, PA
- Scarlets Mill, PA
- Plowville, PA
- Reinholds, PA
- Swartzville, PA
Served by our local office: PJ MAC HVAC Service & Repair
