JM Lapp Plumbing & Heating

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About JM Lapp Plumbing & Heating
With 240 reviews yielding a 4.8-star average, JM Lapp Plumbing & Heating stands as a relied-upon heating contractor serving New Holland and Manheim. The business operates Monday through Friday from 7 AM to 9 PM, providing HVAC, heating, cooling, plumbing, and water treatment services to homeowners and light commercial clients throughout Lancaster County.
The company holds Mitsubishi Diamond Contractor status, indicating advanced certification in variable-speed heat pump installations. Their equipment portfolio includes units from Rheem, U.S. Boiler Company, and Kohler alongside complementary products from Delta and Moen. They advertise financing options and present repair versus replacement decisions without pressuring customers toward particular solutions.
Reviewers highlight specific team members by name. Esther Deppen described a heat pump installation in an older mobile home where the crew spent the entire day ensuring proper sizing and function. Ismael Baez noted text notification before arrival and observed the technician removing boots before entering. Michael Kelly reported that Kurtis and Kenny arrived within twenty minutes of his call to address a burst water pipe, completing the repair promptly while treating his pets respectfully.
What Customers Say
All five-star reviewers describe professionalism and thorough communication. Multiple reviewers specifically name technicians (Kurtis, Kenny, Matt) and praise same-day response times, boot removal before entry, and willingness to explain repair processes.
Working Hours
| Sunday | Closed |
| Monday | 7 AM–9 PM |
| Tuesday | 7 AM–9 PM |
| Wednesday | 7 AM–9 PM |
| ThursdayToday | 7 AM–9 PM |
| Friday | 7 AM–9 PM |
| Saturday | Closed |
Services
Heat Pump Installation & Repair
Mitsubishi Diamond Contractor offering traditional andDUCTLESS HEAT PUMP SYSTEMS for residential and commercial applications.
Boiler & Radiant Heating
Installation, maintenance, and repair of boiler systems including U.S. Boiler Company products and radiant floor heating.
Air Conditioning
AC installation, maintenance, and repair services covering central andductless cooling systems.
Plumbing Repairs & Repiping
Drain cleaning, pipe repairs, sewer line services, sump pump services, and complete repiping for bathrooms and kitchens.
Water Heater Services
Tank, tankless, heat pump, and hybrid water heater installation and maintenance from leading manufacturers.
Water Treatment
Water filtration systems, water softeners, reverse osmosis, and sediment filtration for drinking water and whole-home treatment.
Indoor Air Quality
Air duct services, smart thermostats, and ventilation solutions to improve home air quality.