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Serving Northern Allegheny & Butler Counties

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Serving Northern Allegheny & Butler Counties

24/7 Emergency Service Available

We treat your home like it's our Grandma's home!
  • No Extra Charge for Nights or Weekends*
  • Servicing All Makes and Models
  • No Hidden Costs or Hidden Fees
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Free Estimates on HVAC, Generator and Panel Equipment Installation

Celebrating 50 Years of Service

HVAC, Electrical, and Plumbing Services in Butler County, PA

If you noticed something wrong at your grandma’s house, what would you do? We think you’d do the same thing we would: help her fix it!

As a family owned and operated business, we can’t help but treat every home in the Northern Allegheny and Butler Counties as if it were our grandma’s. This is a guiding principle that we’ve held since 1969, when Bill Kennihan set out to create Kennihan Plumbing & Heating, Inc. We’re a company that keeps your home Safe, Healthy, Comfortable, and Energy Efficient. We even have the qualifications to back it up:

  • BBB business employed with NATE certified technicians.
  • DOT certified to perform safe repairs on your gas lines.
  • Licensed as master plumbers and registered electricians in Butler County, PA.

Above all, you’ll find that our HVAC, plumbing, and electrical technicians are guided by one simple motto: We Service, We Sell, We Repair, We Care.

Call us during our business hours to schedule an estimate on any of our HVAC, electrical, or plumbing services. We’re even available 24/7 for any of your home emergencies. Contact our team to learn more.

*for priority club members only

Our Customers' Trust is What Makes Us Special
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Lisa Guard, This month

Kennihan Plumbing & Heating has been quick to respond, friendly, and professional. I have used there services both residentially and commercially.

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BBB Angie's List
The Kennihan Way
  • Be a POSITIVE influence with fellow employees and customers.
  • SAFETY is critical - both for you and your customers.
  • Take PRIDE in your work - maintain “service” mentality.
Safety, Health, Comfort, Energy - the Kennihan Plumbing & Heating, Inc. way
  • DO A COMPLETE JOB - solve the customer’s problems, listen to their concerns, recognize opportunity, and complete all paperwork.
  • RESPECT customer's home and property.
  • Continuous EDUCATION is important for professional growth.

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Serving Northern Allegheny & Butler Counties
50 Years of HVAC, Electrical, and Plumbing ServicesSince 1969!


We couldn’t call ourselves an HVAC company if we didn’t offer heating and air conditioning services. But our responsibilities don’t stop there—indoor air quality and energy related expenses are equally important parts of the equation. We can keep your air comfortable year-round while keeping that air clean and affordable.

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Proper electrical services are all about keeping your home safe. Whether it’s for surge protection, generator maintenance, or carbon monoxide detector installation, all of it will go to waste if wired up improperly. Our team of registered electricians can install a wide variety of products that help retain your quality of life, and they can do it all with the safety of your home intact.

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When your Butler County home’s plumbing system is working properly, it’s easy to take for granted. The moment it stops working properly, you introduce a variety of issues that can affect your health, safety, comfort, and even your energy consumption. We employ licensed, master plumbers who are also DOT certified for safe and professional gas line repair. From drain cleaning to water treatment, we’re your one stop for all plumbing needs.

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Ductless Mini Splits

Instead of upgrading just your heating or air conditioning system this season, go for one system that can do both: the ductless mini split heat pump. Not only are they versatile, they’re one of the most efficient HVAC systems on the market. Ductless mini split installation is quick and easy when handled by a professional. Learn more about them today from one of our experts.

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If you’re looking to settle down with a heating and cooling system, nothing can match the longevity of geothermal heat pumps. These heat pumps take warm air from the ground, where temperatures remain constant year-round—meaning that efficiency stays high year-round, too. But for all the benefits, the tradeoff is that these systems aren’t easy to install. You’ll need the help of certified and licensed technicians.

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Maintenance Program

Maintenance is one of the most beneficial things you can for your system. Yet, scheduling maintenance once or twice a year is a chore for many homeowners. But what if you could be rewarded for it? The value of our maintenance program goes beyond the annual service, giving homeowners a load of benefits that can be used year-round. Our plan includes discounts, priority service, waived overtime charges, and more.

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Grandma Ellie's Club

Maintenance Program

Did you know that being a member of Grandma Ellie's Club can save you money and extend the life of your system?
  • 20% Discount on HVAC and Plumbing* repairs
  • One day replacement
  • Inflation protection for multi-year plans
  • Priority customer status
  • Agreement is transferrable
  • Lower utility bills
  • 24-hour emergency service
  • Extended equipment life
  • Never an overtime charge
  • Improved safety

Experience the Comfort and Efficiency of a Mitsubishi Mini Split

Mitsubishi Electric Mitsubishi Diamond Contractor

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Comfort Tips from Our Family to Yours

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9 Most Common Boiler Problems and How to Fix Them

Learn about the most common boiler problems and how we can fix them.

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These Are the Leading Reasons You May Need Heating Repair Now

Learn more about why heating repair is so crucial at this time of year.

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