BBB Rated Boiler & Furnace Repair in Elizabeth

Working up a sweat when you’re outside working is hard-earned, but building up a sweat when you’re inside your own home is maddening. We understand how important your comfort is to you, which is why you can always expect our support staff to be respectful and responsive to your needs. You’ll always be answered by a live representative when you call for service. We make a point to arrive at appointments on time and to finish jobs as quickly and as efficiently as possible.

Whether you’re calling for thermostat installation service, heating repairs, or another AC service, you can trust that we’ll give you the best bang for your buck. Furnace, Thermostat and Heating Repair for All Makes & Models When your thermostat isn’t working right, you don’t want to have to worry about whether or not the thermostat repair service you call can resolve your needs—you just want it to work again. When the temperature is out of whack, it can lead to unnecessary discomfort and stress.

Boiler & Furnace Replacement & Repair Services in Elizabeth Pennsylvania

Over the decades that we’ve offered furnace heating, boiler, thermostat repair, we’ve serviced all makes and models. We’ll ensure that the temperature in your home matches the temperature on your thermostat. That’s why all of our 5-Star Technicians have the tools & knowledge to solve any furnace problem. If your furnace is over 20 years old, chances are it needs to be replaced. Which is a good thing when you really think about it! Today’s furnaces burn much more efficiently than their predecessors. Your home’s heat can account for 35-50% of your annual energy expenses.  Installing a new furnace could mean big savings!


All across Pittsburgh & Elizabeth Mark Allen is known for superb furnace repair service & responsiveness. We offer a complete range of heating needs. If it’s time for a new furnace, boiler or component of your heating system, Mark Allen can help.  You can explore all your options to choose the system that will operate most efficiently in your unique living space. Contact our team if your furnace, boiler, hvac, thermostat isn’t working properly. We proudly service Elizabeth Township, Elizabeth Boro, Forward Township, Pennsylvania. We also serve  West Elizabeth, Clairton, Jefferson Hills, Bunola, Greenoak, Liberty Boro, Sutersville, White Oak, Mckeesport, Port Vue, Finleyville, El Rama & more.

Local Heating and Cooling Services In Elizabeth, PA

We provide expert boiler & furnace installation and advice on how to keep your system maintained and cleaned for optimal efficiency, safety, and comfort. From new furnace installations to emergency boiler repairs, the heating experts at Mark Allen Plumbing Heating & Cooling can help keep your home warm and comfortable. Signs that indicate your heating system may need repair include:
  • No heat
  • Insufficient heat
  • Blowing Cold Air
  • Noisy heating unit
  • Heating unit won’t start