Keep the cold outside.
Heating repairs, troubleshooting, and new equipment to keep your space comfortable through winter.
- Furnace repair & replacement
- Heat pumps & mini-splits
- Heating system diagnostics

Heating, cooling, and plumbing for homes and businesses across Central PA. From an unexpected breakdown to a new installation, we are here to help.
Explore maintenance agreements for your home.
Choose a Comfort Club tier to view its benefits. Select Enroll to open Stripe in a new tab and complete your membership signup.
One membership per heating/AC system. If your home has multiple systems, each needs its own Comfort Club membership.
Your first 12 months (one year) are a membership commitment. After that, your membership continues month-to-month until you cancel.
Your monthly rate stays locked in while your membership remains active. If our prices change, your rate stays the same until you cancel. If you cancel and re-enroll, the current membership rate will apply.
Call if you have any questions! 717-480-8662
alecdiehl@alecdiehl.com
Contact us for more information about commercial maintenance programs.
Practical solutions for the systems you rely on every day.
Heating repairs, troubleshooting, and new equipment to keep your space comfortable through winter.
Help with an AC that won’t cool, a system that needs attention, or a new installation.
Plumbing service for everyday repairs, unexpected leaks, and equipment replacement.
Commercial heating and air conditioning service to help you manage breakdowns, comfort problems, and equipment needs.
Discuss your commercial projectFind the cause of equipment and performance problems.
Address uneven temperatures and air distribution.
Talk through the needs of your building and equipment.
Alec Diehl Plumbing, Heating and Air Conditioning serves homeowners and businesses in Central Pennsylvania.
Your comfort is our priority. Whether you need a repair, help understanding a system problem, or a conversation about replacing equipment, we’ll talk through your needs and the next steps.
Yes, 24/7 emergency service is available. Call 717-480-8662 to discuss your issue and current availability. For an immediate danger such as a suspected gas leak, leave the area and contact your utility or emergency services.
We serve Central Pennsylvania and are based in New Cumberland. Call or text with your address so we can confirm service availability for your location.
Yes. We offer commercial HVAC diagnostics, troubleshooting, service, repair, air balancing, and installation. Contact us to discuss your building and equipment.
Your address, a short description of the issue, and any equipment model information or photos you have. For urgent problems, please call.
Tell us what’s happening. We’ll discuss your service needs and availability.
24/7 Emergency Service
Office Hours:
Monday - Friday
8AM - 4:30PM EST