Thermo Control Heating Systems

What Thermo Control Heating Systems does

Thermo Control Heating Systems, doing business as National Stove Works, is a privately held, second-generation family-owned manufacturer of indoor wood-burning heating equipment headquartered at 129 Goodfellow Lane in Howes Cave, New York. Founded in 1976 (with some brand materials referencing 1972), the company designs and builds three core product lines—wood stoves (Models 200/400/500), closed-system boilers (Models 2000/2500/3000), and warm air furnaces (Models 200/400/500/2500/3000)—intended for standalone use or as add-ons to existing oil or gas systems. Its technical differentiation centers on a bi-metallic draft control that automatically regulates fire for up to 10 hours, automatic thermostat control for constant temperature, and a closed pressure-vessel boiler design rated 12–15 PSI; factory-installed options include a domestic water coil, an insulation jacket, and a blower/filter package. Materials are described as "finest and strongest," and a customer testimonial documents a Model 400 purchased in October 1979 still in service, signaling very long product life cycles.

The business model is direct-to-consumer e-commerce: products are sold one-time/perpetual-license at fixed USD prices—stoves $2,680, warm air furnaces $2,480, boilers $6,980—plus a deep aftermarket parts catalog spanning $9.25 to $965 per SKU (dampers, draft boxes, coils, gaskets, fans, control centers, transformers, glass, tool sets). Distribution is single-channel (nationalstoveworks.com with phone support); no dealers, distributors, marketplaces, paid advertising, or institutional investors are disclosed. Geographic reach is concentrated in the Northeastern United States (NY, CT, PA, ME per customer testimonials), and revenue, headcount (11–50), and ownership structure are not publicly disclosed. The company's scale commentary emphasizes 50+ years of continuous operation, multi-generational repeat customers, and individualized order support, positioning the firm as a niche, legacy manufacturer in a slow-moving residential heating segment.

Name

Thermo Control Heating Systems

Legal name

National Stove Works

Website

https://nationalstoveworks.com

Company type

Private

Founded year

1976

Operating status

Operating

Headcount range

11–50 employees

Short description

Thermo Control Heating Systems (dba National Stove Works) is a second-generation, family-owned manufacturer in Howes Cave, NY, producing indoor wood-burning stoves, boilers, and warm air furnaces sold direct-to-consumer via nationalstoveworks.com to residential homeowners across the Northeastern United States.

Ownership category

akta.pro rank

Product category

Wood Heating Equipment

NAICS

Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Power Boiler and Heat Exchanger Manufacturing (33241), Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512)

SIC

Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures (3430), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Auto Controls For Regulating Residential & Comml Environments (3822)

akta.pro primary industry

Boilers, Furnaces & Process Heating Equipment (IMAHAKAD)

akta.pro secondary industry

Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers) (IMAHAEAC)

Keywords

• Wood heating systems
• Wood burning stoves
• Indoor wood boilers
• Warm air furnaces
• Heating replacement parts

Headquarters

HQ city

Howes Cave

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Technology or R&D

Revenue model

1. Primary Heating Equipment Sales: One-time sale of wood heating products including stoves, boilers, and warm air furnaces. Products are sold directly to consumers through e-commerce with prices ranging from approximately $2,480 to $6,980 for main units.
2. Replacement Parts Sales: Extensive catalog of replacement parts for all Thermo-Control products including dampers, controls, coils, gaskets, handles, fans, and installation kits. Parts range from $9.25 to $965.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Thermo Control Heating Systems (operating as National Stove Works) manufactures and sells indoor wood burning heating equipment, including wood stoves, closed-system wood boilers, and warm air furnaces, along with an extensive catalog of replacement parts and accessories. Products feature automatic thermostat control and a proprietary bi-metallic draft system that regulates fire for up to 10 hours per load. The company sells primarily to residential homeowners seeking energy-efficient, cost-effective wood heating solutions, often as standalone systems or add-ons to existing oil/gas systems.

Product overview

Thermo Control Heating Systems, founded in 1972 and operating as National Stove Works, is a manufacturer of indoor wood burning heating equipment. The company produces three core product lines: Stoves (available in 200, 400, 500 models), Boilers (closed-system pressure vessel units in 2000, 2500, 3000 models), and Warm Air Furnaces (in 200, 400, 500, 2500, 3000 models). These products are designed for standalone use or as add-ons to existing oil or gas heating systems, featuring automatic thermostat controls for consistent temperature maintenance. The company also offers an extensive parts catalog including draft controls, expansion tanks, coils, blowers, control centers, and replacement components. Optional add-ons include domestic water coils, insulation jackets, and installation kits tailored to each model. The product portfolio emphasizes energy efficiency, automatic temperature regulation, and compatibility with existing thermostats for zone control in homes and businesses.

Differentiator

Problem solved

Functional benefit

Brands

• Thermo-Control: Primary product brand for wood heating systems including stoves, boilers, warm air furnaces, and replacement parts

Products and services

• Stoves Indoor wood burning stoves available in multiple sizes (Models 200, 400, 500, 550) for residential home heating. Features automatic thermostat control for constant, even temperature. Listed at $2,680.00 USD.
• Boilers Closed-system (pressure vessel) indoor wood burning boilers designed for stand-alone use or as add-on to existing oil/gas boilers. Available in Models 2000, 2500, and 3000, rated for 12-15 PSI operation. Listed at $6,980.00 USD.
• Warm Air Furnaces Wood-fired warm air furnaces for stand-alone use or as add-on to existing oil/gas furnaces. Available in Models 200, 400, 500, 2500, and 3000. Listed at $2,480.00 USD. (Commercial use limited to USA.)
• Thermo-Control Automatic (Bi-Metallic) Draft Box

Named customers4 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators2 records

Recent moves4 records

Expansion highlights3 records

Direct peers

• Jotul: Jotul is a Norwegian cast-iron wood, gas and pellet stove manufacturer with a strong US presence, offering similar indoor wood heating products in a comparable residential price band.
• Travis Industries: Travis Industries manufactures Lopi, Avalon and FPX wood stoves, gas stoves and fireplaces, overlapping with Thermo Control's indoor wood-burning stove line for residential hearth customers.
• Central Boiler: Central Boiler is one of the largest US manufacturers of outdoor wood and biomass furnaces, closely overlapping with Thermo Control's residential wood-burning boiler line in target customer (rural homeowner seeking whole-home wood heat).
• Blaze King: Blaze King builds high-efficiency catalytic and non-catalytic wood stoves with long burn times, targeting the same off-grid and rural Northeast homeowner interested in overnight or multi-day heat output.
• Vermont Castings: Vermont Castings is a long-standing US wood-stove brand (now part of Hearth & Home Technologies) selling cast-iron wood stoves to the same rural residential heating segment as Thermo Control.
• Harman Stove & Fireplace: Harman manufactures premium pellet, wood and gas stoves and fireplaces. It competes with Thermo Control in the residential wood-heating category, particularly higher-output indoor units.
• US Stove Company: US Stove Company manufactures wood, coal and corn-fired stoves, furnaces and small boilers for residential heating. It directly competes with Thermo Control's stoves and warm air furnaces in the same DIY homeowner segment.
• HeatMaster: HeatMaster manufactures outdoor wood and biomass furnaces with hydronic and forced-air options, directly comparable to Thermo Control's indoor boilers and warm air furnaces in whole-home wood heat use cases.
• HearthStone Stoves: HearthStone makes premium soapstone and cast-iron wood stoves for residential heating. It competes with Thermo Control's higher-end stove models and shares the same New England / Northeast distribution profile.

Broad incumbents

• Burnham Holdings: Burnham Holdings owns multiple legacy hydronic and HVAC brands (Burnham, Weil-McLain, New Yorker) covering cast-iron boilers and warm-air equipment. It is a much larger incumbent in adjacent residential heating categories that overlaps with Thermo Control's boiler business.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Thermo Control Heating Systems