Adding air conditioning to your Pittsburgh home — or replacing an old system — is one of the best comfort upgrades you can make. Pittsburgh summers have been getting hotter and more humid, and a good AC system makes a real difference.
Here is everything you need to know about the process.
Your Options
Option 1: Central Air (if you have ductwork)
If your home has a forced-air furnace with ductwork already in place, adding central AC is the simplest path. An outdoor condenser unit gets installed, connected to an indoor evaporator coil that sits on top of your furnace, and cool air is distributed through your existing ducts.
Cost: $3,500-$7,500 installed Timeline: 1 day Best for: homes built after 1960 that already have forced-air heating
Option 2: Ductless Mini-Split (no ductwork needed)
If your Pittsburgh home uses radiator heat, baseboard heat, or has no existing ductwork, a ductless mini-split is usually the best choice. Wall-mounted indoor units connect to an outdoor compressor via a small refrigerant line — no major construction needed.
Cost: $2,000-$5,000 per zone Timeline: 1-2 days Best for: older Pittsburgh homes in Lawrenceville, Bloomfield, Shadyside, South Side, Dormont, and other neighborhoods with pre-1960 housing stock
Option 3: Heat Pump (heating + cooling)
A heat pump works like an AC in summer and reverses to heat your home in winter. Modern heat pumps handle Pittsburgh winters well, especially as part of a dual-fuel system with a gas furnace backup.
Cost: $4,000-$8,000 Timeline: 1-2 days Best for: homeowners replacing both heating and cooling, or wanting to reduce gas dependence
Option 4: Window Units and Portable AC
Not a permanent solution, but worth mentioning. Window units cost $150-$500 each and portable ACs run $300-$700. They cool single rooms and require no installation beyond plugging in.
Best for: renters, single-room cooling, temporary solution while saving for a permanent system
The Installation Process
Step 1: Assessment. A tech visits your home, evaluates your current system (or lack of one), measures the space, checks electrical capacity, and recommends options.
Step 2: Sizing. Proper sizing is critical. An oversized AC short-cycles (turns on and off too frequently), wastes energy, and does a poor job of dehumidifying. An undersized unit runs constantly and cannot keep up on hot days. A Manual J load calculation determines the right size.
Step 3: Installation day. For a standard central AC replacement, expect 4-8 hours. The crew installs the outdoor unit, connects refrigerant lines, mounts the evaporator coil, wires the thermostat, and tests the system.
Step 4: Inspection. Most Pittsburgh-area municipalities require a mechanical inspection after installation. Your contractor handles the scheduling.
Pittsburgh-Specific Considerations
Electrical capacity. Many older Pittsburgh homes have 100-amp electrical panels. A central AC or heat pump may require a panel upgrade to 200 amps — add $1,500-$3,000 for this.
Older homes and ductwork. If your home has never had ductwork, adding it is expensive ($3,000-$8,000+) and may not be practical in homes with finished walls, low ceilings, or limited chase space. This is why mini-splits are so popular in Pittsburgh's older neighborhoods.
Hilly lots. Placing the outdoor condenser on a steep lot may require a concrete pad, retaining work, or creative positioning. This adds modest cost but is common in Pittsburgh.
HOA and historic district rules. Some Pittsburgh neighborhoods have restrictions on where outdoor units can be placed. Check before installation.
Helpful Products
- Smart thermostat — optimize cooling schedules and save on energy
- Window AC unit — temporary cooling while planning a permanent install
- AC line set cover — hide refrigerant lines on exterior walls
Getting Started
If yinz are ready to add AC or replace an old system in your Pittsburgh home, get connected through KeepYinzCool. We will match you with local installers who know Pittsburgh houses — the old ones and the new ones.