24/7 Emergency Service
Don’t suffer after business hours if you have an HVAC or plumbing emergency. Horn Plumbing & Heating proudly offers 24/7 emergency solutions to serve our community best. Call us at (610) 363-4200 to get help now. We work day and night in Chester, Delaware & Montgomery Counties. Whether your home is freezing in the winter, your basement is filling with water from your water heater, or you have another emergency, we’re here for you.
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Lennox Premier Dealer in Exton, PA

Horn Plumbing & Heating is proud to serve as a certified Lennox Premier Dealer in Exton and nearby Chester County communities, including areas around Exton Square Mall, Whitford, and Marchwood. When you work with our team, you get experienced technicians, a trusted local reputation, and manufacturer-backed knowledge that helps you feel confident in every recommendation. You also gain access to premium Lennox systems along with dependable warranty protection that keeps your investment secure.

If you want year-round comfort without hassle, now is the perfect moment to explore your options. Schedule with us now and enjoy reliable service from a Lennox dealer in Exton, PA.

Why Choose a Lennox Premier Dealer?

Choosing a Lennox Premier Dealer means you benefit from factory training, ongoing education, and a direct relationship with Lennox that ensures every installation meets strict performance standards. You also gain access to the Dave Lennox Signature Collection, strong warranty support, and emergency HVAC service when you need help fast. This combination leads to precise unit sizing, smooth installation, and long-term ease you can count on.

Lennox Heating & Cooling Systems

Lennox offers a wide range of high-efficiency solutions designed to keep your home climate-controlled in every season. Their furnace lineup includes advanced models like the SLP99V and EL296V, both known for impressive efficiency and steady warmth. For cooling, variable-capacity and two-stage air conditioners such as the XC25 and XC21 deliver quiet operation, energy savings, and consistent indoor temperatures. Lennox heat pumps and dual-fuel options provide flexible performance for changing weather, while indoor air quality products help reduce airborne particles and improve overall freshness. These options make it easy to enjoy modern technology, dependable comfort, and energy-conscious operation with Lennox HVAC in Exton, PA.

Lennox Installation, Repair & Maintenance

Horn Plumbing & Heating offers a complete range of heating and cooling services to help your Lennox equipment deliver years of efficient performance. Whether you need installation, repairs, or routine care, our team is prepared to support your equipment throughout its lifespan. We even offer maintenance contracts to take the headache out of yearly maintenance.

  • New Lennox system installation: We install new Lennox units with careful attention to detail, so your house receives balanced airflow and steadfast comfort. Our team ensures every component is set up correctly for long-term performance.
  • Repairs using genuine Lennox parts: When something goes wrong, we use authentic Lennox components to restore proper function and protect your system’s lifespan. This helps maintain efficiency and prevents unnecessary wear.
  • Seasonal maintenance and tune-ups: Regular tune-ups keep your equipment running smoothly and help prevent unexpected breakdowns. Seasonal care also supports energy savings and consistent indoor temperatures.
  • Proper system sizing and load calculations: Accurate sizing makes sure your equipment isn’t overworked or underpowered. We perform detailed load calculations to match your home’s needs and deliver steady comfort.

Lennox Systems Built for Exton Homes

Exton’s cold winters and humid summers make reliable heating and efficient cooling essential for year-round climate control. Lennox furnaces in Exton, PA, provide steady warmth during freezing stretches to keep your loved ones safe during the area’s harsh winters. For cooling, Lennox AC in Exton, PA, helps manage heat and moisture when summer peaks. These units work well in both historic Chester County houses and newer developments, offering dependable performance and humidity control tailored to local conditions.

Schedule Lennox HVAC Service in Exton, PA

Homeowners in Exton rely on Horn Plumbing & Heating for honest guidance, quality workmanship, and trustworthy service on every Lennox project. Our team is known for integrity, punctuality, and professional technicians who take pride in their work. We also offer specialized underground repair capabilities using advanced equipment, and our satisfaction guarantee ensures you feel confident choosing us. Many locals refer friends and family with complex jobs to our team because they trust our expertise and commitment to doing the job right.

If you’re ready for reliable comfort, we’re here to help. Request service today and experience the difference of working with a trusted Lennox expert.

Frequently Asked Questions


Yes, we install and service all Lennox models, including older units and the latest high-efficiency systems. Our technicians stay current with Lennox training so you receive accurate diagnostics and dependable solutions. This helps make certain your equipment performs well throughout its lifespan.

Most Lennox equipment should be maintained once a year to keep it running efficiently and reduce the chance of breakdowns. Annual tune-ups help identify small issues before they become major repairs. Regular care also supports better comfort and energy savings.

The best Lennox system depends on your house’s size, layout, insulation, and temperature preferences. Our team performs detailed evaluations to recommend options that match your needs and budget. This guarantees you get equipment that delivers reliable comfort in Exton neighborhoods like Eagleview and the areas surrounding Miller Park.
What To Expect

Discover the Horn Plumbing & Heating Difference

44 years in business

1-year guarantee

24/7 Emergency Services available

Free Estimates

Guaranteed repairs

professional service

44 years in business

1-year guarantee

24/7 Emergency Services available

Free Estimates

Guaranteed repairs

professional service

Horn Plumbing employees loading equipment into a work truck
Happy family with Horn Plumbing technician
Happy family with Horn Plumbing technician
Our Reviews

See What Your Neighbors Are Saying

After 55 years in the same house, we have FINALLY found the right plumber! The people at Horn are remarkably responsive, helpful, and competent. It is especially nice to have someone like Bruce explain what is needed and why.

Carole C.

Horn Plumbing went above and beyond to help me make it to the settlement table to sell my parents house on time. Nick, Stacey and Adam were so nice and very professional. They made calls to the Township on our behalf and got it done! I…

Melanie L.

We have found Horn Plumbing & Heating to be an outstanding firm to work with from Plumbing to HVAC services. Their quality of work is excellent and their service response is exceptional. Philip and Anthony are MVP’s. Highly recommend Horn!

Scott K.

Horn Plumbing & Heating is always reliable and makes the time for the customers no matter how big or small the job may be! My company is so thankful to Bruce and his whole team who makes taking care of children so much easier when we…

Ashley H.

Horn Plumbing is by far the BEST! I have used them multiple times and I'm always extremely satisfied with the work. The technicians are knowledgeable, work fast and respect your property. The women in the office are always a pleasure to talk to when scheduling an…

Jessica D.