Mervin Zimmerman, Inc.

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58Years Active

Mervin Zimmerman, Inc.

Name: Mervin Zimmerman, Inc.
Address: 723 Rothsville Rd, Lititz, Pennsylvania, 17543, US
Telephone: (717) 626-1168

723 Rothsville Rd, Lititz, Pennsylvania, 17543

(717) 626-1168 Website Request Quote

58+ Years Exp.

Residential / Commercial Projects

Verified Contractor

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58+ years in business
Established contractor
Verified by GeothermalFinder
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About the Contractor

Mervin Zimmerman, Inc. is a family-owned HVAC, plumbing, and geothermal contractor serving Lancaster, Berks, and Lebanon counties from its Lititz, Pennsylvania base since 1968. The company installs and services geothermal heat pump systems, handling full turnkey projects from indoor unit placement to complete system commissioning. Its geothermal team recommends the ClimateMaster Tranquility 30 Series for its energy efficiency profile and installs Bryant heating and cooling equipment on conventional projects. In addition to geothermal and HVAC work, Mervin Zimmerman offers plumbing, water heater and water conditioning services, indoor air quality solutions, and remodeling. The company operates The Bath Barn showroom for parts and fixtures and holds Pennsylvania Home Improvement Contractor license PA HIC #PA2120.

Verified active operator per mervinzimmerman.com + mervinzimmerman.com/heating-ac/geothermal (PA import 2026-06-01)

Mervin Zimmerman, Inc. installs geothermal heat pump systems in Lancaster, Berks, and Lebanon counties, PA. ClimateMaster and Bryant dealer since 196

Service Details

Years in Business

58 years

Brands Installed

ClimateMaster, Bryant

Service Area

Serves 20 areas across Pennsylvania

Lititz Lancaster Ephrata Elizabethtown Manheim Mount Joy Leola New Holland Akron Denver East Petersburg Marietta Annville Lebanon Palmyra Bernville Kutztown Fleetwood Hamburg Morgantown +8 more

Browse verified installers in these areas:

Lititz Lancaster Ephrata Elizabethtown Manheim Mount Joy Leola New Holland Akron Denver East Petersburg Marietta Annville Lebanon Palmyra Bernville Kutztown Fleetwood Hamburg Morgantown

Regulatory Context

Geothermal Permitting in Pennsylvania

Geothermal heat pump installations in Pennsylvania require specific permits and compliance with state regulations regarding well drilling, loop installation, and refrigerant handling. Contact your local building department for specific requirements in your area.

See full geothermal regulations →

Frequently Asked Questions

How much does geothermal installation cost in Lititz, Pennsylvania?

Geothermal heat pump installation in Lititz typically costs between $18,000–$45,000 depending on system size, loop type (vertical vs. horizontal), lot conditions, and home square footage. Available state and utility incentives can reduce net cost (federal §25D credit ended Dec 31, 2025 under OBBBA; §48 commercial ITC may still apply). Request quotes from multiple certified installers in Pennsylvania to compare pricing.

Do I need a permit for geothermal drilling in Pennsylvania?

Most Pennsylvania municipalities require permits for geothermal well drilling and ground loop installation. Requirements vary by county — some require driller licensing, environmental impact review, or water well permits. Your geothermal installer should handle the permitting process. Contact your local Lititz building department for specific requirements.

How long does a geothermal system last in Lititz?

Geothermal heat pumps typically last 20–25 years for the indoor unit and 50+ years for the ground loop. In Lititz's climate, a properly maintained system provides reliable heating and cooling with minimal degradation. Annual professional maintenance and filter changes every 3 months help maximize system lifespan.

Is my property in Lititz suitable for geothermal?

Most properties in Lititz, Pennsylvania can support geothermal systems. Vertical loop systems require minimal land area (as little as a standard residential lot), while horizontal loops need more yard space. A qualified installer will conduct a site assessment including soil conductivity testing to determine the best loop configuration for your property.

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Listing data verified as of: June 1, 2026

Regulatory Context

Geothermal Regulations in Pennsylvania

Geothermal heat pump installations in Pennsylvania may require drilling permits, environmental site assessments, and compliance with local well and thermal energy regulations. Requirements vary by jurisdiction and system type (vertical, horizontal, open-loop). Contact your local municipality, state energy office, or a licensed geothermal installer for specific permitting requirements in your area.

→ Geothermal regulations & permit guide

Browse all geothermal contractors in Lititz, Pennsylvania →

Browse Directory

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RSC Heating & Air Conditioning Lancaster, Pennsylvania Brubaker Services LLC Bethel, Pennsylvania Kole Brothers Mechanicsburg, Pennsylvania Gallelli Mechanical Langhorne, Pennsylvania Geo Climate Control Inc Danville, Pennsylvania Fisher Energy LLC Warriors Mark, Pennsylvania

Browse all geothermal contractors in Pennsylvania →

Listing data last checked: June 1, 2026

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Tags: Commercial and Residential

Category: Geothermal Contractors

Address: 723 Rothsville Rd
Lititz
Pennsylvania
17543
United States