W.F. Smith can help you keep your home comfortable all year long with residential heating and cooling services. Since 1946, W.F. Smith has provided Philadelphia area residents in Philadelphia, Bucks, and Montgomery Counties with reliable heating, cooling, and indoor air quality products and services, including:

  • Replacement
  • Maintenance


At W.F. Smith we understand that every building has its own special heating and cooling needs, so we take a custom approach to every commercial HVAC project. W.F. Smith can help you keep your system operating at peak performance and provide repair and support 24/7/365.

  • Commercial HVAC Repair
  • Commercial HVAC Installation
  • Commercial HVAC Replacement
  • Commercial HVAC Maintenance


Keep your heating and cooling system running at peak efficiency with regular HVAC service from W.F. Smith. Our multi-point inspections will check your system for signs of wear and tear and fix them proactively to keep your system running longer and more efficiently. We provide service on all types of heating and cooling systems, including:


At W.F. Smith, we sell and install new heating and cooling systems from industry-leading brands like Lennox and Mitsubishi. Whether you need an air conditioning system, furnace, heat pump, boiler, or ductless system, we have the product to meet your needs. Lennox DealerMitsubishi Dealer

Why W.F. Smith?

Locally owned and operated by the Smith family, W.F. Smith has proudly worked to become a leading HVAC contractor in Philadelphia since 1946. Our dedication to customer service and quality workmanship has earned us one of the finest reputations in the Delaware Valley. Contact us today for any of your Philadelphia heating and cooling needs.

At W.F. Smith, we provide comprehensive heating and cooling services for both residential and commercial clients in Philadelphia, Bucks, and Montgomery Counties. From routine maintenance to complete system replacement, we have the products, experience, and expertise to make your project a success.


Philadelphia HVAC Contractor

Heating & Cooling Throughout the Greater Philly Metro Area

Welcome to W.F. Smith, Inc., Philadelphia’s premier HVAC contractor for over 70 years. We truly care about our customers here at W.F. Smith and are dedicated to provide you with superior customer service and high quality work at a fair price. We believe in installing quality HVAC equipment and stand behind our work with a 100% Satisfaction Guarantee.

For immediate service, call us at 215-458-5906 or learn more about our services below!

HVAC contractor servicing residential air conditioning system in Mongomery County, PA

Fulfilling Philadelphia’s Heating & Cooling Needs

We are a full-service heating and cooling contractor in Philadelphia serving the greater Philly metro area with residential and commercial HVAC services, including:

– HVAC Repair
– HVAC Installation
– HVAC Replacement
– HVAC Maintenance & Inspections

Philadelphia’s Heating & Cooling Specialists

We sell and service all types of residential heating and cooling equipment, including:

– Air Conditioners
– Furnaces
– Heat Pumps
– Ductless Systems
– Geothermal Heat Pumps
– And More!

Our home heating and cooling technicians are industry-trained and ready to take on any job – big or small! As a trusted Philadelphia HVAC contractor, we put our heart and soul into each and every job and will treat your home like it’s our own.

Whether it’s giving the dog a treat, taking our shoes off, or simply providing our customers with the utmost respect, you can count on W.F. Smith as your trusted HVAC contractor in Philadelphia.

Heating Contractor In Philadelphia, Newtown, Horsham, Langhorne & More

As you’re well aware, Philadelphia is not a tropical climate, which is why you need a reliable HVAC contractor you can trust to repair and service your heating system when temperatures drop around the area.

W.F. Smith a heating contractor in Philadelphia servicing all of Philadelphia County, Bucks County, and Montgomery County, PA. From gas furnaces and electric furnaces to heat pumps and ductless heating systems, we know it all.

We offer:

– Heating repairs in Philadelphia
– Heating system replacement in Philadelphia
– Oil to gas conversion in Philadelphia

Cooling Contractor In Philadelphia

In addition to our home heating services, we also offer some of Philadelphia’s finest cooling services. Our HVAC technicians are well-versed on the inner workings of heat pumps and central air conditioners and can have your cooling system up and running in no time!

Whether you’re searching for a cooling contractor in Philadelphia to service and repair your home’s air conditioner or simply want a spring HVAC checkup to ensure your system is prepared for the increased cooling load summertime brings, call W.F. Smith.

Commercial HVAC

W.F. Smith offers commercial HVAC services in Philly and it’s surrounding areas. Our HVAC design-build services will ensure your business’s heating and cooling system is running in tip-top shape and actively works to save you money.

We design and install energy-efficient commercial HVAC systems, including:

  • Rooftop package units
  • VRV & VRF systems
  • HVAC systems for data centers
  • And much more

We also offer high-quality heating and cooling services for a variety of commercial properties throughout the Philadelphia area. This includes:

Get a Free EstimateToday

To learn more about our Philadelphia HVAC services or to schedule a free estimate for your home or business, call us today at 215-458-5906 or fill out a contact form to get started!


Pennsylvania: Abington (19001), Bensalem (18015, 18016, 18017, 18018, 18020, 18025), Cheltenham (19012, 19027, 19038, 19095), Churchville (18966), Elkins Park (19027), Glenside (19038), Holland (18966), Horsham (19044), Huntingdon Valley (19006), Jenkintown (19046), Langhorne (19047), Meadowbrook (19046), New Hope (18938), Newtown (18940), Philadelphia, Richboro (18945), Southampton (18966), Washington Crossing (18977), Willow Grove (19090), Yardley (19067), and more.

Read about our rich Philadelphia heritage, since 1946.Learn more »

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(215) 624-1313 (215) 458-5906
Emergency Service Available 24/7

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Ductless Cooling & Heating

Mitsubishi Electric’s industry leading systems can do much more than just cool a sunroom, they can increase comfort throughout your home and reduce energy costs.

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Expert HVAC Design

From improving an old system to designing or value engineering systems for a new house, W.F. Smith’s team has the experience you need and expertise you can trust.

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