National Refrigeration

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3600 West Shore Rd, 02886

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National Refrigeration — Warwick, Rhode Island geothermal contractor
ℹ️ This listing has not been claimed by the business owner. Information shown is compiled from public records and may not be current. Claim this listing to update your business information.

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57Years Active

National Refrigeration

3600 West Shore Rd, Warwick, Rhode Island, 02886
(401) 737-2000 Website Request Quote
57+ Years Exp.
Closed Loop Loop Types
Residential / Commercial Projects

Verified Contractor

Reviews are still building. Here's why we list this contractor:

  • 57+ years in business
    Established contractor
  • Carrier Dealer
    Authorized manufacturer partner
  • Verified by GeothermalFinder
    Listing reviewed by our editorial team
Worked with National Refrigeration? Be the first to leave a review.

About the Contractor

National Refrigeration is a family-owned, full-service HVAC, plumbing, and geothermal mechanical contractor headquartered in Warwick, Rhode Island. Founded in 1969 by Jack King Sr. as a one-man shop, the company has grown to more than 100 employees while remaining family-owned and operated. The firm describes itself as the pioneer of geothermal HVAC in Rhode Island and provides design-build installation and repair of closed-loop ground-source heat pump systems for residential, commercial, multi-family, and service-market clients across Rhode Island and bordering Massachusetts communities. National Refrigeration holds ACCA accreditation, NATE certification, and Carrier Factory Authorized Dealer status, and is a Mitsubishi Diamond Dealer. The company provides 24-hour emergency service coverage and offers geothermal consultations as part of its full HVAC mechanical contracting portfolio.

Verified active operator per https://nhvac.com/geothermal/ (Rhode Island import 2026-06-02)

National Refrigeration installs geothermal heat pump systems in Rhode Island. Family-owned since 1969, ACCA accredited, Carrier authorized.

Service Details

Years in Business
57 years
Boring Methods
Vertical, Horizontal
Brands Installed
Carrier, Mitsubishi

Service Area

Serves 10 areas across Rhode Island

Warwick Providence Cranston Pawtucket North Providence East Providence Bristol Barrington East Greenwich and bordering Massachusetts communities

Regulatory Context

Geothermal Permitting in Rhode Island

Geothermal heat pump installations in Rhode Island 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 Warwick, Rhode Island?
Geothermal heat pump installation in Warwick 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 Rhode Island to compare pricing.
Do I need a permit for geothermal drilling in Rhode Island?
Most Rhode Island 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 Warwick building department for specific requirements.
How long does a geothermal system last in Warwick?
Geothermal heat pumps typically last 20–25 years for the indoor unit and 50+ years for the ground loop. In Warwick'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 Warwick suitable for geothermal?
Most properties in Warwick, Rhode Island 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 2, 2026

Regulatory Context

Geothermal Regulations in Rhode Island

Geothermal heat pump installations in Rhode Island 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 Rhode Island →

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Listing data last checked: June 2, 2026

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Tags: Commercial and Residential
Category: Geothermal Contractors
Address: 3600 West Shore Rd
Warwick
Rhode Island
02886
United States
Website

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