Capturing the Hearts of the Best Customers for Life


Technician reviews HVAC maintenance plan with homeowner.

Our unwavering commitment to integrity is the cornerstone of our HVAC, heating services and Plumbing services in Southeastern PA. With four generations of trust behind us, we pledge to maintain our sterling reputation by treating every customer with fairness and honesty. We don’t chase quick sales — we build lasting relationships.


Summers & Zim's commitment to top-quality HVAC and Plumbing Services.

At Summers & Zim’s, Inc., our dedication to being the premier provider of HVAC, heating services and plumbing services in Southeastern PA is unmatched. From technical expertise and state-of-the-art equipment to prompt service and meticulous follow-ups, we ensure excellence in every aspect of our work for your home comfort and satisfaction.


Heritage banners of George Summers and Clair Zimmerman highlighting decades of dedicated HVAC and plumbing service.

Our historical banners reflect a tradition of resilience and determination. In Southeastern PA, our HVAC services, heating services and plumbing specialists tackle every challenge — whether it’s in tight spaces, sweltering attics, or deep sewers. We’re committed to working tirelessly to ensure every job is done right, no matter what it takes.

Good Natured

Expert explaining HVAC & Plumbing Service Memberships to customers in PA.

As ‘Home of the Good-Natured Guys’, we bring a neighborly touch to HVAC, heating services and plumbing services in Southeastern PA. Our approach is built on friendliness, positivity, and always having your best interests at heart. We serve our community with a smile, aiming to be the friendly local service provider you can rely on.

System Replacements

Have your system replacement done right.

System Installations

Improve Your Indoor Air Quality

Our indoor air quality solutions keep your family safe from airborne contaminants and pollutants.

Go to Air Scrubber

Summers & Zim’s delivers what they advertise. Great company to work with.


Go to Reviews

Discover the Difference with Our Southeastern PA
HVAC and Plumbing Experts

Explore how our highly trained HVAC and plumbing specialists strive to ensure homeowner comfort and delve into the core principles that guide our exceptional service.

Joe and Alli Discuss Why We Are Different

Expert Furnace Repair & Installation Services

Ensure unwavering warmth during Pennsylvania’s coldest winters with our expert furnace repair and replacement services. Homeowners trust us for maintenance that defines reliability and efficiency. Discover the full spectrum of our furnace solutions designed for your peace of mind.

Premium Boiler Installation & Repair Services

Summers & Zim’s is your trusted partner for precision boiler maintenance, repair, and installation. Discover why Pennsylvania homeowners rely on us for efficient and dependable boiler services that guarantee cozy homes all year round.

Expert A/C Repair & System Upgrades

Chester and Lancaster County residents count on our proficient air conditioning services for everything from regular maintenance to complete A/C system upgrades. Explore our comprehensive air conditioning solutions and find out why we are the trusted choice for keeping cool and comfortable.

Comprehensive Heat Pump Repair & Installation

Heat pumps are a versatile and energy-efficient solution for year-round home comfort in Pennsylvania. Discover the full range of our heat pump services, including expert repair and precision installation, that Summers & Zim’s provides to Chester and Lancaster County residents.

Advanced Air Purification System Services

Ensure your family breathes clean, healthy air with Summers & Zim’s air quality testing and tailored air purification system installations. Delve into our specialized air purification solutions and learn how we can enhance the air quality in your home.

Expert Well Pump Repair & Maintenance Services

Experiencing low water pressure or no water at all might indicate well pump issues. Rely on Summers & Zim’s for comprehensive well pump services, from diagnostics to repairs. Explore how we can restore and enhance your water system’s efficiency.

Reliable Repair for Bathroom Plumbing Leaks

Address leaky pipes and fixtures swiftly with Summers & Zim’s expert plumbing services. Prevent costly damages by choosing us for your bathroom leak repairs and other plumbing needs. Discover why we are the preferred choice for tackling plumbing challenges.

Our team at Summers & Zim’s consists of seasoned heating, cooling, and plumbing experts who have been serving as the go-to professionals in Chester County and surrounding areas since 1930. Our certified experts are not only deeply familiar with the local Pennsylvania landscape but are also dedicated to delivering enduring solutions with a personal touch. Every HVAC service and plumbing service we offer is covered by our robust 5-Point Guarantee, assuring unmatched quality and satisfaction tailored to your specific needs.

Get an Estimate

Top HVAC and Plumbing Brands We Offer

Our skilled technicians are equipped to service a wide array of systems, ensuring we cater to all your home and business HVAC and plumbing needs. We pride ourselves on offering an extensive selection of high-quality brands to meet diverse requirements and preferences.

Discover how our HVAC Maintenance Blue Membership Plans ensure your peace of mind. Click here to learn more!