Serving you, the customer. We strive to be the company you can trust.

A Trusted Tradition Serving Pittsburgh for Over 85 Years

A.F. Cost & Sons Heating, Plumbing & Air Conditioning has been a family-owned business providing seamless solutions for all your home comfort and efficiency needs for over 85 years. We take pride in serving the Pittsburgh community with honest service, upfront pricing, and expert craftsmanship.

Our Mission

Our primary goal is to be your trusted partner in maintaining the comfort and efficiency of your home. We prioritize:

Customer-focused service: We treat our customers like family, offering personalized care and attention to every detail.
Transparency: We provide upfront pricing and clear communication every step of the way.
Quality workmanship: Our licensed and experienced technicians provide reliable and lasting solutions.
Peace of mind: We stand behind our work with a guarantee of satisfaction.

Our Services

We offer a comprehensive range of services to keep your home comfortable and efficient throughout the year. Our services include:

Plumbing

Emergency leak repair
Toilet repairs and replacements
Water line repair and replacement
Drain cleaning and unclogging
Water heater repair and installation
Gas line repair and installation

Heating & Air Conditioning

Installation, maintenance, and repair of furnaces, air conditioners, boilers, and heat pumps
Preventative maintenance plans to ensure optimal efficiency and performance
Troubleshooting and repair of all major brands and models