Is your current air conditioner struggling to keep up with the Pennsylvania summer heat? When the temperature spikes in Harrisburg, the last thing you want is an unreliable cooling system. At WM Buffington Company Heating, Cooling & Plumbing, we provide professional AC installation and replacement services backed by decades of real-world experience and integrity. Since 1952, our goal has been simple: keep homes and businesses in Harrisburg comfortable and efficient year-round.
We understand that replacing an AC unit is a major decision, and you need a company you can trust. Our team doesn’t work on commissions—there are no high-pressure sales tactics. Whether you're upgrading an outdated unit or installing AC for the first time, you’ll work directly with our owner David, or our installation manager Larry. Both are seasoned field experts with over 50 years of combined hands-on experience. When you choose WM Buffington, you’re choosing reliability, honesty, and quality workmanship.
Our AC services include energy-efficient Bryant® product installations, free estimates, 24/7 emergency response, and upfront pricing. We proudly serve residential and commercial customers throughout Harrisburg and the surrounding zip codes including 17025, 17043, 17070, 17101, 17105, 17110, 17121, 17122, and 17123. Contact us today at 717-616-2682 to schedule your consultation.
What makes us different? We live where we work. WM Buffington Company is proud to call Harrisburg home. Whether you’re located downtown in zip code 17101, in the residential neighborhoods of 17110 and 17122, or over in Camp Hill (17011) and Lemoyne (17043), we’re just a call away. These aren’t just service areas to us—they’re our community. We've built long-lasting relationships here since 1952 and continue to serve families and businesses with pride.
Our service area spans several important zip codes including 17025 (Enola), 17070 (New Cumberland), and 17121 (Capitol District), which means we understand the specific needs of homes and commercial spaces in Central Pennsylvania. From historic buildings to newly constructed properties, our expert technicians are familiar with the structural and energy efficiency considerations unique to each neighborhood. We tailor our installation strategies to maximize performance and comfort for your specific location.
When local homeowners and businesses need trusted AC replacement and installation in Harrisburg, they know who to call. Our longstanding BBB accreditation, 24/7 emergency availability, and deep community roots mean you can count on us to show up when it matters most. No matter where you are in our zip code coverage, WM Buffington is your local HVAC team.
Wondering what the AC replacement process actually involves? It starts with an honest assessment. At WM Buffington, we don't believe in pushy sales tactics. Instead, David or Larry will inspect your existing unit and provide clear guidance on whether a repair or full replacement makes the most financial and energy-efficient sense. We also help you choose the right Bryant® system for your home size, budget, and energy goals.
Once a decision is made, we prepare your home or commercial space for the installation. This includes safely removing your old system, upgrading necessary ductwork if needed, and installing your new system according to EPA standards and manufacturer specifications. We follow all best practices recommended by the U.S. Department of Energy to ensure optimal efficiency and long-term performance.
Our licensed and background-checked technicians will also walk you through the new system and provide valuable tips on how to maintain it for years to come. With convenient scheduling options and our "no mess left behind" policy, we make the AC replacement process as smooth and stress-free as possible. Plus, don’t forget to ask about our financing options and current special offers to help reduce upfront costs.
Who you hire matters. With over 70 years of experience, WM Buffington Company is a name trusted by generations of families in Harrisburg. Our owners, David and Megan, built this company on a foundation of trust, compassion, and technical knowledge. David spent 25 years turning wrenches before becoming an owner, and Megan ensures every customer feels heard and respected. There’s no sales department—only experts who genuinely care.
Every AC installation we perform is backed by our core values of honesty, quality, and customer-first service. We use only the best equipment—including energy-efficient options from Bryant® air conditioners—and never cut corners on craftsmanship. We even offer free estimates so you can make an informed decision without pressure. And because we know how critical cooling is during Harrisburg summers, we’re available 24/7 for emergencies.
Our reputation speaks for itself. We’re proud to be BBB-accredited, with dozens of satisfied customers who return to us year after year. From Lemoyne to Enola, Harrisburg to New Cumberland, we’re here when you need us most. Learn more about our team and discover why WM Buffington is the trusted HVAC name in Central Pennsylvania.
Is your AC trying to tell you something? If you're noticing signs like inconsistent cooling, strange noises, or rising utility bills, it may be time to consider a replacement. Most air conditioning units last between 10–15 years, and if your system is approaching or exceeding this lifespan, a newer, energy-efficient model can save you money and improve comfort. Older units often use outdated refrigerants that are no longer environmentally friendly or cost-effective to recharge.
Keep an eye out for leaks, frequent breakdowns, or humidity problems in your Harrisburg home. These can indicate underlying issues that a repair won’t fix long-term. A new system—especially one that meets modern SEER2 standards—can offer up to 40% energy savings compared to older units, according to the U.S. Department of Energy. If your AC is turning into a money pit, replacement is often the smarter option.
When in doubt, schedule a consultation with our experienced technicians. We’ll provide a free, honest assessment of your system’s condition and help you understand your options. Our team serves all of Harrisburg and surrounding areas including zip codes 17025, 17043, 17070, 17101, 17105, 17110, 17121, 17122, and 17123. Call 717-616-2682 or book online today.
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