Family-Owned and Locally
Operated Since 1946

Residential HVAC Services in Philadelphia and Nearby Communities

Heating, cooling, heat pumps, ductless systems, and indoor air quality. We have kept Philadelphia homes comfortable since 1946. Call us and we will tell you straight what your system needs.

Request
HVAC Service

Tell us what is going on with your system. We will call you back to set up the right next step.

Residential HVAC Services for
Year-Round Home Comfort

We handle repairs, maintenance, and full system replacements for homes across Philadelphia. Pick a

service below, or see everything we offer. 

Air Conditioning

AC repair, installation,

replacement, and maintenance to keep your home cool through hot, humid summers.

Heating

Furnace and heating repair,
installation, replacement, and maintenance so your home stays warm all winter.

Heat Pumps

Heat pump repair, installation, replacement, and maintenance, including dual-fuel systems that work year-round.

Ductless Mini-Splits

Heating and cooling for single rooms, additions, and older homes that have no ductwork.

Indoor Air Quality

Options that help with dust, dry air, and rooms that feel stuffy or stale.

Custom Ductwork

Ductwork design, repair, and
replacement to fix weak airflow and rooms that never feel right.

Two W.F. Smith HVAC technicians inspecting and servicing a commercial rooftop heating and cooling system, with the Philadelphia skyline in the background

Commercial HVAC for Local Businesses

We also work with property managers, restaurants, apartment buildings, and data centers. Our commercial team handles heating, cooling, VRV and VRF systems, and ongoing maintenance.

Current Specials and Offers

Here is what we are running right now. Offers change, so call us to confirm what applies to your home.

Get an Instant Quote

Want a number before you book a visit? Use our Instant Quote tool to get started on qualifying projects.

 

An Instant Quote is not a booked appointment. Call us or send a service request when you are ready to schedule. 

HVAC Maintenance Plans and Ongoing Service

Most breakdowns start small. A regular checkup catches those problems early, before they turn into a no-heat call in January.

 

See what our maintenance service covers and how often we visit.

$29.17
per month

Why Homeowners Choose W.F. Smith

When something goes wrong with your HVAC system, you should understand the problem, the options, and the cost before deciding what to do next.” 

We find out what is actually wrong before we quote anything. Sometimes that means a repair instead of the replacement you expected.

If your system is old enough that a repair only buys one more season, we will show you the math and let
you decide.

You see the cost before we start. No surprise charges when the job is done. 

Our commitment doesn’t end when the job is finished. We believe in doing the work properly, communicating clearly, and being accountable for the service we provide
W.F. Smith technician walking to a home with a branded service van parked behind him.

Family-Owned. Local.
Here Since 1946.

We have been fixing heating and cooling systems in the Philadelphia area since 1946. The same family still runs the company.

 

What has not changed: treat people like neighbors, explain the options in plain language, and stand behind the work.

HVAC Equipment for the Way Your Home Needs to Work

We install and service a range of equipment. We use Lennox for most furnaces and air conditioners, and Mitsubishi Electric for ductless systems.

Furnaces, air conditioners, and heat pumps for whole-home heating and cooling. 

Ductless mini-split systems for single rooms, additions, and homes without ducts.

What W.F. Smith Customers Say

Read what customers have shared about their experience with W.F. Smith.

Meg Mckenna

a week ago

I have been working with WF Smith for the past 11 years and their service has been the epitome of professionalism. Annual service contracts are always provided on a timely schedule, the office team- usually Lindsay- is as accommodating as possible in scheduling and providing answers to any questions that … Read more

James Mergiotti

Edited a week ago

We always receive fantastic service from WF Smith. Dave, who services us, is an outstanding technician. We recently had our semi annual maintenance review and, once again, Dave did a terrific job. We are very grateful for the wonderful service we receive from him and for our long standing relationship … Read more

Michael Fanrak

Edited a week ago

Fall cleaning and check up. Always on time. Installed new HVAC. Have been using them for about 30 years and many neighbors do also.

Michele Anthony

Edited 3 weeks ago

I have a contract with them. Always on time. Always thorough. Always professional. They stand behind their work. Jonathan is the best. Highly recommend.

Mike

a month ago

I worked with WF Smith on a bespoke project that involved procuring a custom isolation rail and lifting an existing rooftop package unit to install it. I spoke with numerous firms, both residential and commercial, and WF Smith was by far the most responsive and professional. As a result they … Read more

David Straub

Edited a month ago

Thought the representative was very competent.

Michelle Yeziorski

a month ago

Chuck who serviced our HVAC system was very through in checking our system and gave us the the good news that everything was fine. He was on time and and explained what he as doing. He had a great personality also!

Mikki Kyack

a month ago

wfsmith made it easy to remind me to schedule my semi-yearly checkup, to schedule an appointment on my time, and to know immediately if there were issues that needed to be fixed. charles (our service person) was friendly & efficient & on time!

Lisa Rothmiller

a month ago

I am very pleased with the service provided by W.F. Smith. We called for a non-urgent service call, yet they were able to send out a technician within a day. Our technician was very personable, knowledgeable and thorough. I would recommend to anyone looking for a HVAC company.

Janis Goldman

a month ago

When ever we need their service, they are there. Neat respectful and friendly. Explained how the new system works

Diane

a month ago

On time, friendly, detailed, noticed the specific problem quickly, prepared it and explained in detail the dynamics. Had all the proper tools to repair, very respectful.

Sheree

2 months ago

I have had them for 41 years. Very professional and does great work. Dave has been great when he comes to service it and explains everything in detail. Will continue to use them.

E Belanger

2 months ago

We had a wonderful experience with the WF Smith technician who came to service our AC system during a heat wave. We will definitely be calling them again for maintenance and recommending them to others. The technician was extremely knowledgable and explained all the ins and outs of the system … Read more

Dave Burkepile

2 months ago

I am very pleased withall aspects of replacing an HVAC, Initial contact through installation. The staff were professional throughout with zero hype and delivering what they said they would do, on time and to the best of my knowledge properly. I certainly recommend their services.

Fred Beckley

2 months ago

We had a replacement air conditioning system installed. It was a difficult job (historic house, weird configuration), but they provided a creative solution at a reasonable price. They also consistently have excellent communication and quick follow-up. Highly recommended.

John DeGirolamo

2 months ago

Use them for home and business. Very capable reliable and timely

Ron DeMaio

3 months ago

My a/c broke down in 4 th of.July weekend And their response and diagnosis were spot on with material on the truck to complete the repair Still working great Thnx

Erin Morrison

3 months ago

Very professional and accommodating. Challenges in the installation process were tackled with a positive attitude. Their team made this whole house AC install as smooth as possible. I'm very happy with the product, the system design, and the installation experience. Highly recommend.

Edward Gorkes

3 months ago

Very good professional service. Highly recommend !

John Murphy

3 months ago

My A/C went out on Sunday night, I called left message with W.F.Smith. The next day Jeremy and Charles arrived and had my A/C working again! They were great. I would definitely recommend!

What to Expect When You Request Service

No guessing about what happens next. Here is how a service call works, start to finish.

Call or Request Service

Call us, or fill out the form. Either one works.

We Set Up the Visit

We call you back and find a time that works for you.

We Check the System

A technician looks at your system and finds the problem.

We Explain Your Options

We tell you what we found and what your choices are, in plain language.

You Decide

You pick what fits your home and budget. Nothing happens until you say yes.

We Do the Work

We complete the job we agreed on.

Financing Options for Qualifying HVAC Projects

A new system does not have to be paid for all at once. We offer financing on qualifying projects, and the terms depend on the equipment you choose. See current options and how to apply.

HVAC Service Across Philadelphia and Nearby Communities

We work in Philadelphia and the surrounding suburbs, from Bensalem and Langhorne to Horsham and New Hope. Find your town below, or see the full list.

Frequently Asked Questions

Do you repair systems, or do you only replace them?

Both. We repair whenever a repair makes sense. If your system is old enough that a fix only buys one more season, we will tell you and show you the numbers. The call is yours.
Yes. A diagnostic fee applies when a technician visits to find the cause of a heating or cooling problem. Our office confirms the fee before scheduling your visit. This charge is separate from the repair cost and is not credited toward the repair. Estimates for replacement systems are free.
We look at your system’s age, condition, repair history, and how well it keeps your home comfortable. A newer system with one failed part may be worth repairing, while an older system needing repeated or expensive repairs may be a better candidate for replacement. We explain the repair cost and can provide a free replacement estimate so you can compare your options. The decision is yours.
The time needed depends on the equipment being replaced and the work your home requires. Ductwork changes, electrical upgrades, venting changes, or difficult equipment access can extend the job. We review those details during the estimate and include the expected schedule in your proposal so you know what to expect before installation begins.
A maintenance visit focuses on checking your equipment, cleaning and adjusting components, and identifying signs of wear. Depending on your system, checks include airflow, thermostat operation, electrical components, condensate drainage, and heating safety controls. Your technician explains the findings and provides a price for any recommended repairs before you approve the work. Contact our office for the visit schedule and benefits included in the current maintenance plan.
Yes. We run an on-call process for urgent heating and cooling problems outside normal business hours. That is not the same as routine 24/7 service. Call us and we will walk you through what happens next.
Not right now. Call us or send a service request, and we will call you back to set a time. Our Instant Quote tool is separate and does not book a visit.

Latest From W.F. Smith

New articles on heating, cooling, maintenance, and getting more

out of the system you already have.

Need HVAC Help?
Start With W.F. Smith.

Repair, maintenance, or a full replacement. Call us or send a request, and we will help you work out the next step.