(717) 634-2025



Have a plumbing problem? You can count on us. Our professional service technicians can perform minor repairs or solve major plumbing issues.

Air Conditioners (AC)

When it's hot and sticky outside it should feel cool and comfortable inside. If that old A/C isn't cooling let one of our professionals diagnose the issue.

Heating & Furnaces

When its cold outside it should be warm and toasty inside. If that old furnace is not working properly call Allison's and we will diagnose the issue.

Mini Split (Heating/AC)

Mini splits are a great heating and cooling option for your home addition or area where duct work is not present. Call for your no-obligation quote.

Indoor Air Quality (IAQ)

Indoor air quality (IAQ) is important in every home. Let our experts assess and offer suggestions to reduce in home air allergens and pollution.

Water Heater

No hot water? Let us repair the existing water heater or replace it with a new energy efficient water heater or the super-efficient tankless water heater.

Water Conditioning

Well water Issues? Want to remove the chlorine smell in city water? We can help with Lancaster water conditioning equipment.

Drain Cleaning

Do you have a slow draining sink? Is your toilet not flushing correctly? We have the ability to jett drain lines and perform a visual inspection.

Replacement Parts

Our reliable plumbing and HVAC suppliers are available for all of your replacement part needs. If your aging system needs parts, we will gladly help.


Not all sewer line repairs are simple and sometimes excavation is required. Allison's is equipped with the machinery to perform large and small excavating jobs.

New Construction

Weather it's a rough-in for a new bathroom or installing the HVAC system in your new home, call us for all of your new construction needs.

Commercial Services

We offer a wide range of plumbing and HVAC services for you commercial building including repair, replacement and maintenance. We can customize service contracts for most buildings.