Trusted Comfort and Service Since 1977
Your home is your sanctuary, and we aim to keep it that way. For decades, we’ve been the name Pennsylvania and Delaware homeowners trust for honest, expert cooling, heating, plumbing, and electrical services.
Nearly 50 years of expertise
24/7 emergency services available
Same-day service and next-day installation
Get to know Wm Henderson
Why Wm Henderson
From our local roots to our commitment to honest, reliable service, see what makes Wm Henderson a partner you can count on.
Preferred Brands
We install and service only the equipment we know will last. Explore the trusted brands we work with, from high-efficiency HVAC systems to plumbing fixtures, all chosen for reliability, performance, and long-term value.
Reviews
Don’t just take our word for it: Read the stories of homeowners and business owners who depend on Wm Henderson. Our consistently positive reviews reflect our dedication to professionalism, timeliness, and work done right the first time.
Work with Us
Looking for a career with purpose? Join a team that values experience, hands-on learning, and long-term growth. At Wm Henderson, you’ll be part of a company that treats employees like family and invests in your success.
Contact Us
Have a question or need service? Reach out to our team for fast, friendly, and reliable support. Whether it’s routine maintenance, an emergency, or a project estimate, Wm Henderson is here to help.
Your local experts in HVAC, plumbing, and electrical
Serving the region since 1977
24/7 emergency services
Licensed, experienced technicians
Satisfaction guaranteed
Wm Henderson began in 1977 with a simple goal: Provide reliable, high-quality cooling, heating, plumbing, and electrical services to families and businesses in the Main Line and surrounding areas. From the very first service calls, we focused on doing the work right, treating every home and business with respect, and building relationships based on trust.
Over the years, Wm Henderson has grown steadily, adding skilled technicians, expanding our service offerings, and adopting the latest technologies in HVAC, plumbing, and electrical systems. Despite our growth, we have always maintained a local, customer-focused approach. Our team knows our community because we live, work, and raise our families here.
Credentials and associations
Wm Henderson is proud to be a trusted and recognized member of the professional community. Our affiliations reflect our commitment to quality, safety, and industry best practices:
Philadelphia Suburban Association of Plumbing Contractors
National Association of Plumbing, Heating, Cooling Contractors
Small Business Association of Delaware County
Marple Business & Professional Association
These memberships ensure our team stays current on industry standards, licensing requirements, and local codes, giving customers confidence in every job we perform.
A legacy built on trust
At the heart of Wm Henderson is a dedication to doing the right thing. From transparent pricing to timely service, we strive to earn your trust with every job. Generations of homeowners and business owners continue to rely on our expertise, because we combine decades of experience with a genuine commitment to our community.
Reliable service you can trust every time
Here When You Need Us
Same-day service and next-day installation
24/7 emergency services for homes and businesses
On-time arrival guarantee
Here When You Need Us
Expertise You Can Count On
Highly trained, fully licensed and background-checked technicians
Industry-leading warranties
Decades of hands-on expertise
Expertise You Can Count On
Honest, Transparent Pricing
No emergency, holiday, weekend, or after-hours fees
Free estimates and upfront pricing
100% satisfaction guaranteed
Honest, Transparent Pricing
Find a Wm Henderson pro in your area
Same-day service available in Pennsylvania. Enter your ZIP code to find your nearest technicians.