Upgrading to a New HVAC System Might Be Easier Than You Think. Does your home seem stuffy and hot during Allentown summers? If your air conditioner can’t keep your home at 72 degrees during a heat wave, something isn’t working the way it should.
Your home should meet the 72 Degree Guarantee to keep you and your family comfortable all season long. This simple standard means that your system should be able to maintain 72 degrees indoors, even when outdoor temperatures climb. It’s not about average performance—it’s about how your system holds up when demand is highest.
At Jack Lehr, that guarantee is tied directly to how your system is sized, installed, and supported. We’re here to make sure you get the cool comfort and relief you deserve.
What the 72 Degree Guarantee Actually Covers
Not every AC system is built to handle extreme heat and keep up with the demands of a heat wave. When temperatures climb into the 90s, are undersized for your space, or poorly installed, your system can fall behind fast.
The 72 Degree Guarantee is built around three core factors:
- Proper system sizing: Your home is evaluated to determine the correct capacity—not a guess or rule of thumb
- Quality installation: Airflow, ductwork, and system setup are handled to support consistent cooling
- Verified performance: The system is expected to maintain a specific indoor temperature under real conditions
The guarantee isn’t about “cooling most of the time.” It’s about performance when you need it most.
Why This Matters in Allentown Summers
In Allentown, summer heat and humidity can push AC systems to their limits. When a system isn’t properly matched to the home, you will probably notice a combination of:
- Long run times without reaching the set temperature
- Hot and cold spots from uneven airflow
- Rising energy bills with no improvement in comfort
The 72 Degree Guarantee sets a clear expectation. If your system can’t keep up, there’s a defined standard to address it.
What Most HVAC Companies Don’t Talk About
Most heating and cooling companies focus on equipment brands or SEER2 ratings. Those absolutely matter to the comfort of your home, but they won’t fix installation problems.
What actually drives comfort in your home is:
- Load calculations based on your home and not just square footage
- Ductwork performance and airflow balance
- Static pressure and system tuning after installation
These are the details that determine whether your system hits 72 degrees or struggles all summer.
Another difference is performance accountability. Our guarantee puts the responsibility on the contractor, and not the homeowner, to get it right.
Built for Real Summer Conditions
We don’t look at the 72 Degree Guarantee as a marketing line. We approach it as a performance standard backed by installation quality and system design. At Jack Lehr, we proudly provide AC systems in Allentown, PA that are built to handle real summer conditions and not just average days.
Call us at Jack Lehr Heating, Cooling & Electric today to schedule an AC evaluation and get a system that’s designed to keep up when the heat hits.
