Quality means fixing the problem right the first time.

Not that we don't love seeing our customers, but we never want to hear that our services weren't adequate and the problem's crept back up. 

A.F. Cost & Sons has been your family owned heating, venting, air conditioning, and plumbing solution for over 75 years. We are in great standing with the Better Business Bureau and all of our technicians are licensed and undergo an extensive screening process. 


As a real estate manager responsible for over 100 properties, Frank Cost is always my first call for plumbing, heating, or cooling services.  Whether it’s routine or emergency maintenance, Cost Plumbing covers a large territory for jobs of all size.  They’re up front with pricing, so the client is never surprised afterwards, stand behind the quality of their work, show up on time, and treat the homeowners/tenants with respect and professionalism.  

As an owner myself, I trust them implicitly with the safety of my property and my family.  Frank follows up to make sure the standard that his family has set for decades remains high and I hope to keep giving them business for decades to come.. 
Dan Savage, Property Manager

Pittsburgh, PA

Our Staff

When you're dealing with A.F. Cost & Sons Heating, Plumbing & Air Conditioning, you're in the best of hands. Here are the core team members of our operation that keep it running as smoothly as your pipes will after we come clean them.

Company Profile

TRY US! We don't bait and switch, flat rate or hide charges from our customers. We deliver fast, friendly, guaranteed workmanship and the customer is ALWAYS our number one concern and priority.

For your convenience, we offer 24-hour emergency service.