Insights

Stable regional player National Refrigeration is a longstanding Rhode Island HVAC and plumbing contractor with a family-owned culture, broad service scope, and steady revenue in the mid six-figure to low seven-figure range, indicating dependable local relationships and repeat business opportunities.

Diversified service mix Capabilities span commercial, residential, multi-family, and service markets with emphasis on heating, cooling, indoor air quality and plumbing, presenting cross-sell potential to existing clients across sectors and expanded maintenance contracts.

Tech-enabled marketing Active use of digital marketing and analytics tools (Google Ads, The Trade Desk, Microsoft Clarity, WordPress, Google Workspace) suggests openness to data-driven campaigns and targeted outreach to facility managers and property developers.

Regional growth potential Current footprint covers all Rhode Island; growth opportunities may lie in expanding service territory, pursuing larger commercial projects, and leveraging financial strength to win competitively against larger national players.

Operational strengths Relentless attention to cost, schedule, and quality with a 47-year track record and a mid-size team positions National Refrigeration for long-term maintenance agreements, energy efficiency retrofits, and IAQ improvements for commercial portfolios.

Similar companies to National Refrigeration

National Refrigeration Tech Stack

National Refrigeration uses 8 technology products and services including Google Ads, The Trade Desk, Microsoft Clarity, and more. Explore National Refrigeration's tech stack below.

National Refrigeration's Email Address Formats

National Refrigeration uses at least 4 email formats:
National Refrigeration Email FormatsExamplePercentage
First@nhvac.comJohn@nhvac.com
74%
First.Last@nhvac.comJohn.Doe@nhvac.com
17%
FirstL@nhvac.comJohnD@nhvac.com
7%
FLast@nhvac.comJDoe@nhvac.com
2%

Frequently Asked Questions

What is National Refrigeration's phone number?

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You can contact National Refrigeration's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is National Refrigeration's official website and social media links?

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National Refrigeration's official website is nhvac.com and has social profiles on LinkedIn.

How much revenue does National Refrigeration generate?

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As of October 2026, National Refrigeration's annual revenue is estimated to be $25M - $50M.

What is National Refrigeration's SIC code and NAICS code?

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National Refrigeration's SIC code is 7699 - Repair Shops and Related Services, Not Elsewhere Classified and NAICS code is 23 - Construction.

How many employees does National Refrigeration have currently?

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As of October 2026, National Refrigeration has approximately 98 employees across 2 continents, including North America and Asia. Key team members include Chief Financial Officer: J. R., Owner: S. K. and Director Of Sales And Service: G. W. Explore National Refrigeration's employee directory with LeadIQ.

What industry does National Refrigeration belong to?

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National Refrigeration operates in the Construction industry.

What technology does National Refrigeration use?

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National Refrigeration's tech stack includes Google Ads, The Trade Desk, Microsoft Clarity, iCIMS, WordPress, Google Workspace, Piwik PRO Core and DigitalOcean Web Hosting.

What is National Refrigeration's email format?

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National Refrigeration's email format typically follows the pattern of First@nhvac.com. Find more National Refrigeration email formats with LeadIQ.

When was National Refrigeration founded?

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National Refrigeration was founded in 1969.
National Refrigeration logo

National Refrigeration

ConstructionRhode Island, United States51-200 Employees

National Refrigeration is a mid-sized, family-owned HVAC and plumbing contractor based in Warwick, Rhode Island. Founded in 1969 by Jack King, Sr. as a one-person shop, the company has grown to serve all of Rhode Island with a workforce capable of supporting a range of markets. It offers a full spectrum of HVAC mechanical contracting and plumbing services, with emphasis on heating, cooling, indoor air quality, and related systems for commercial properties.

National Refrigeration serves commercial, residential, multi-family residential, and service markets, aiming to deliver timely and cost-conscious solutions that leverage its local presence and attention to detail. The firm emphasizes a collaborative, team-driven culture dedicated to ensuring client comfort as a daily objective.

Section iconCompany Overview

Phone number
Website
nhvac.com
SIC Code
7699 - Repair Shops and Related Services, Not Elsewhere Classified
NAICS Code
23 - Construction
Founded
1969
Employees
51-200

Section iconFunding & Financials

  • $25M - $50M

    National Refrigeration's revenue is estimated to be in the range of $25M - $50M

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