Complete Boiler Systems, LLC

What Complete Boiler Systems, LLC does

Complete Boiler Systems, LLC is a family-owned manufacturer's representative headquartered in Millersville, Maryland that distributes commercial and industrial combustion equipment across Maryland, Virginia, and Washington DC. Founded approximately 50 years ago, the company represents more than 20 manufacturers across the full boiler room stack — including Babcock & Wilcox (water tube boilers up to 250,000 lbs/hr), Hurst, RBI, Smith, Unilux, ATH KN Series, Force Power on the boiler side; Power Flame, TEC, Faber, Limpsfield on burners; Siemens and Hays Cleveland on controls; HeatFab and Ampco on stacks and breechings; and BFS, Boilerroom Equipment (heatSponge), Etter, Fuel Efficiency, e-Instruments, and JJM Alkaline on accessories and water treatment. The company serves engineers, contractors, architects, and building owners specifying equipment for hospitals, schools, government facilities, hospitality, and industrial sites.

The company's business model rests on three revenue streams: (1) equipment sales commissions earned as a manufacturer's representative facilitating sales of boilers, burners, water heaters, and accessories from its manufacturer partners; (2) parts distribution as a regional largest supplier of OEM replacement boiler parts and hard-to-find components (gaskets, controls, valves, nozzles, motors, pumps); and (3) training services, specifically the Power Flame Burner Service School (a factory-conducted full-day session at $285/attendee covering combustion basics, parallel positioning, and burner start-up/service). Go-to-market is enterprise field sales through direct relationships with engineering firms, contractors, architects, and institutional owners; pricing is quote-based and not publicly disclosed.

Operationally, CBS is a 7-employee small business with no disclosed revenue, no public funding, no API or software offering, and no AI/ML capabilities. Competitive positioning rests on the breadth and quality of the manufacturer portfolio, 50+ years of accumulated application expertise, and a recurring parts/service relationship once equipment is installed.

Name

Complete Boiler Systems, LLC

Legal name

Complete Boiler Systems, LLC

Website

https://completeboiler.com

Company type

Private

Founded year

1970

Operating status

Operating

Headcount range

1–10 employees

Short description

Complete Boiler Systems is a family-owned manufacturer's representative in Millersville, Maryland, distributing commercial and industrial boilers, burners, controls, and parts from 20+ manufacturers across Maryland, Virginia, and Washington DC.

Ownership category

akta.pro rank

Product category

Commercial and Industrial Boiler Equipment Distribution

NAICS

Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Steam and Air-Conditioning Supply (221330)

SIC

Steam & Air-Conditioning Supply (4961), Heating Equipment, Except Electric & Warm Air Furnaces (3433)

akta.pro primary industry

Boilers, Furnaces & Process Heating Equipment (IMAHAKAD)

akta.pro secondary industries

Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers) (IMAHAEAC), Chillers, Boilers & Central Plant Operations (BPABACAG), Commercial Water Heater & Boiler Service (HSAOACAJ)

Keywords

• Commercial boiler equipment
• Industrial burner systems
• Boiler parts supply
• Combustion controls
• Manufacturer's representative

Headquarters

HQ city

Millersville

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Equipment Sales Commission: As a manufacturer's representative, CBS earns commission revenue by representing multiple boiler, burner, water heater, and accessory manufacturers to commercial and industrial customers. They facilitate sales of equipment from their manufacturer partners.
2. Parts Sales: CBS operates as an area's largest supplier of boiler parts, providing OEM replacement parts and hard-to-find products for various manufacturers. Revenue generated from selling boiler gaskets, controls, pumps, valves, nozzles, motors, and other boiler room components.
3. Training Services: CBS offers factory-conducted training programs such as the Power Flame Burner Service School, generating revenue from training fees.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Complete Boiler Systems is a family-owned manufacturer's representative that distributes commercial and industrial boiler equipment, burners, water heaters, controls, stacks, breechings, accessories, and OEM replacement parts for customers in Maryland, Virginia, and Washington DC. The company provides engineering and technical support from design through installation and maintenance, and also offers factory-conducted burner service training.

Product overview

Complete Boiler Systems, LLC is a family-owned manufacturer's representative serving the commercial/industrial boiler industry in Maryland, Virginia, and Washington DC since 1974. The company distributes a comprehensive portfolio of combustion equipment from multiple manufacturers, organized into five core product categories: (1) Commercial/Industrial Boilers including Babcock & Wilcox packaged water tube boilers (8,500-250,000 lbs/hr), Hurst Boiler firebox and scotch marine units (6-1,500 HP), RBI finned copper tube and condensing water heaters (100-10,000 MBH), Unilux packaged/field erected boilers (20-2,000 HP), ATH KN Series cast iron condensing boilers (200-4,000 MBH), Smith Boiler cast iron units (9-138 HP), and Force Power factory field erected boilers (60-1,000 HP); (2) Burners from Power Flame (300-92,400 MBH), TEC, Faber Burner, and Limpsfield (1,000-110,000 MBH) supporting gas, oil, and combination fuels with low NOx options; (3) Controls including Hays Cleveland boiler room control systems and Siemens Combustion Controls for linkageless burner management; (4) Stacks and Breechings from HeatFab and Ampco for venting; and (5) Accessories including Fuel Efficiency turbulators, Etter Engineering gas boosters, BFS boiler feed/deaeration systems, and Boilerroom Equipment economizers. The company also provides comprehensive parts supply and burner service training programs. All products are supported by engineering and technical expertise throughout project phases from design to installation and maintenance.

Differentiator

Problem solved

Functional benefit

Products and services

• Babcock & Wilcox Packaged Water Tube Boilers Packaged water tube boilers ranging from 8,500 to 250,000 lbs/hour with superheated steam capabilities up to 800°F, including 'D' and 'O' style configurations and field erected options, for commercial and industrial steam and process applications.
• Hurst Boiler Equipment Vertical, firebox, and scotch marine boilers ranging from 6 to 1,500 horsepower with gas, oil, or solid fuel capabilities, including hybrid configurations for sawdust, hog fuel, hulls, rubber, and sludge.
• RBI Gas Fired Finned Copper Tube Boilers and Water Heaters Gas fired finned copper tube boilers and water heaters with efficiencies up to 99%, available in on/off, two-stage, and modulating firing options with capacities from 100 MBH to 10,000 MBH.
• RBI Condensing Water Heaters Condensing water heaters achieving up to 99% efficiency with slide-out heat exchangers, storage tanks, control systems, and stainless steel condensing options.
• Unilux Boiler Corporation Equipment UL listed field erected and packaged boilers with a 21-year thermal stress warranty, featuring 5-pass flexible steel water tube design rated for hot water to 160 psig and steam to 150 psig, with outdoor models from 20 to 2,000 horsepower.
• ATH KN Series Commercial Cast Iron Condensing Boilers Commercial cast iron condensing boilers with 25-year heat exchanger warranty, 200-4,000 MBH gas input, up to 99% efficiency, and HeatNet on-board package capable of managing up to 16 boilers.
• Smith Boiler Cast Iron Commercial Boilers Cast iron residential and commercial boilers with forced draft gas, oil, and combination fuel options, achieving up to 87% efficiency with 9 to 138 boiler horsepower.
• Force Power Factory Field Erect Boilers Factory field erected 3 and 4 pass wet-back scotch marine boilers rated for 60 to 1,000 boiler horsepower with gas, oil, and combination fuel options.
• Power Flame Gas, Oil, and Combination Burners Burners with capacities ranging from 300 MBH to 92,400 MBH featuring low NOx and standard options, high turndown ratios, parallel positioning systems, and support for air/steam atomized oils through #6.
• TEC Low NOx Windbox Package Burners Low NOx windbox package burners with high turndown ratios, adjustable air zones, and flame safeguard systems supporting natural/propane gas, oil, and waste fuels from 170,000 BTU/hr to 20mm BTU/hr.
• Faber Burner Company Low NOx Package Burners Low NOx windbox package burners with air registers, adjustable air zones, and low excess air operation supporting natural/propane gas, oil, combination, and waste fuels from 170,000 BTU/hr to 20mm BTU/hr.
• Limpsfield Combustion Burners Heavy duty industrial burners with capacities from 1,000 MBH to 110,000 MBH featuring split combustion head, stainless steel diffusers and blast tubes, low NOx, and low O2 continuous operation.
• Hays Cleveland Boiler Room Control Systems Boiler room control systems including custom control panels, lead/lag control, multi-function programmable controllers, O2 trim systems, parallel positioning systems, and opacity controls.
• Siemens Combustion Controls Integrated linkageless burner management systems with UV and IR detectors, variable frequency drives, O2 trim, integrated valve proving, and custom modulating level control systems.
• HeatFab High Performance Chimneys and Vents High performance chimneys and vents using AL29-4C stainless steel with double wall 1-inch air space design for venting commercial and industrial condensing appliances in 4-32 inch diameters.
• Ampco Commercial and Industrial Exhaust Gas Venting Double wall positive pressure venting systems available with 1, 2, 4, or no insulation, UL/ULC listed and tested for use with boilers, heaters, ovens, engines, turbines, and generators in 5-48 inch diameters.
• Fuel Efficiency Combustion Accessories Combustion accessories including Brock turbulators for up to 20% fuel savings, dual set point stack monitors, ultra-spray automatic fire tube boiler cleaners (soot blowers), and boiler tube cleaners.
• Etter Engineering Gas Booster Systems Gas booster system line with volumes exceeding 12,000 icfh and static gains over 41 inches wc, featuring skid mounted packages, cool-flow technology, and sliding tank housing.
• BFS Industries Boiler Feed and Deaeration Systems Boiler feed systems, condensate systems, oil pumping systems, spray/column/tray type deaerators, blow-down systems, and packaged/engineered systems for commercial and industrial applications.
• Boilerroom Equipment heatSponge Economizers Economizers for commercial and industrial boilers including stainless steel coil economizers for boilers to 300HP and rectangular designs for units to over 100,000 pph.
• Boiler Parts Supply Comprehensive boiler parts supply including gaskets, boiler rope, controls, flame safeguard controls, oil pumps, pressure relief valves, gas pressure regulators, oil nozzles, electrodes, blower wheels, gas valves, gauges, ignition transformers, and boiler/condensate pumps sourced from multiple OEM manufacturers.
• Power Flame Burner Service Training Factory-conducted burner service training covering combustion basics, parallel positioning systems, and start-up/service of Power Flame Burners, offered as 1-day sessions with learning materials, breakfast, lunch, and refreshments included at $285 per attendee.

Quantifiable outcome

• Up to 20% fuel savings with Fuel Efficiency turbulators
• +1 more outcomes

Named customers6 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

Partnerships

21 partnerships are on record, tiered core and minor.

• Babcock & WilcoxcoreChannel Partner/ Reseller/ Distributor130-year industry leader in packaged water tube boilers ranging from 8,500 to 250,000 lbs/hour systems with superheated steam capabilities to 800°F. Also provides field erected boilers and waste gas heat recovery systems.
• Hurst BoilercoreChannel Partner/ Reseller/ DistributorManufacturer of four pass vertical boilers, three pass firebox boilers, two and three pass scotch marine boilers from 6 to 1500 horsepower. Also offers solid fuel hybrids and feed water systems.
• RBI (a Mestek Company)coreChannel Partner/ Reseller/ DistributorGas fired finned copper tube boilers and water heaters with efficiencies up to 99%, ranging from 100 MBH to 10,000 MBH. Includes condensing and non-condensing options with slide-out heat exchangers.
• Smith Boiler (a Mestek Company)coreChannel Partner/ Reseller/ DistributorCast iron residential and commercial boilers with 15 pig steam and 80 psig water design, forced draft gas, oil, and combination fuels. Ranges from 9 to 138 boiler horsepower.
• Unilux Boiler CorporationcoreChannel Partner/ Reseller/ DistributorOffers 21-year thermal stress warranty with UL listed field erected and packaged boilers. Outdoor boilers from 20 to 2,000 horsepower with hot water to 160 psig and steam to 150 psig.
• ATH KN SeriescoreChannel Partner/ Reseller/ DistributorCommercial cast iron condensing boilers with 25-year heat exchanger warranty, 200 to 4000 MBH gas input, and efficiencies up to 99%. Includes HeatNet on board package managing up to 16 boilers.
• Force Power (Div. of Unilux)coreChannel Partner/ Reseller/ DistributorFactory field erect boilers including 3 and 4 pass wet-back scotch marine boilers from 15 PSI steam to 160 PSI water, 60 to 1,000 boiler horsepower.
• Power Flame, Inc.coreChannel Partner/ Reseller/ DistributorGas, oil, and combination burners from 300 MBH to 92,400 MBH with low NOx and standard options, high turndown, parallel positioning systems, and instrumentation controls.
• The Engineering Company (TEC)coreChannel Partner/ Reseller/ DistributorLow NOx windbox package burners with high turndown ratios, air registers, adjustable air zones, flame safeguard systems, and oil/gas combustion equipment from 170,000 BTU/hr to 20mm BTU/hr.
• Faber Burner CompanycoreChannel Partner/ Reseller/ DistributorLow NOx windbox package burners with air registers, adjustable air zones, oil atomizers, oil guns, ignitors ranging from 170,000 BTU/hr to 20mm BTU/hr for natural/propane gas, oil, and waste fuels.
• Limpsfield CombustioncoreChannel Partner/ Reseller/ DistributorGas, oil, and combination burners from 1000 MBH to 110,000 MBH with heavy duty industrial design, split combustion head, stainless steel diffusers and blast tubes, and low NOx operation.
• Siemens Combustion ControlscoreChannel Partner/ Reseller/ DistributorIntegrated linkageless burner management systems, burner flame safeguard, variable frequency drives, UV and IR detectors, O2 trim systems, and custom control systems.
• Hays ClevelandcoreChannel Partner/ Reseller/ DistributorBoiler room control systems including custom control panels, lead/lag control, multi-function programmable controllers, O2 trim systems, and parallel positioning systems.
• HeatFab (A Hart & Cooley, Inc. Company)coreChannel Partner/ Reseller/ DistributorHigh performance chimneys and vents using AL29-4C stainless steel, double wall construction with 1 inch air space for venting commercial and industrial condensing appliances. Diameters from 4 to 32 inches.
• Ampco (A Hart & Cooley, Inc. Company)coreChannel Partner/ Reseller/ DistributorCommercial and industrial exhaust gas venting with double wall positive pressure options, 1 to 4 inch insulation, UL/ULC listed for boilers, heaters, ovens, engines, turbines. Diameters from 5 to 48 inches.
• BFS Industries, LLCcoreChannel Partner/ Reseller/ DistributorBoiler feed systems, condensate systems, oil pumping systems, pre-heat systems, spray/column/tray type deaerators, blow down systems, and packaged/engineered systems.
• Boilerroom Equipment, Inc.coreChannel Partner/ Reseller/ DistributorManufactures heatSponge line of economizers for commercial and industrial boilers including stainless steel coil economizers for boilers to 300HP and rectangular economizer design for boilers to over 100,000 pph.
• Etter EngineeringcoreChannel Partner/ Reseller/ Distributor70+ year old manufacturer of high quality gas booster systems with volumes exceeding 12,000 icfh, static gains over 41 inches wc, skid mounted packages, and Cool-Flow technology.
• Fuel EfficiencycoreChannel Partner/ Reseller/ DistributorBrock turbulators offering up to 20% fuel savings, duel set point stack monitors, Ultra-spray automatic fire tube boiler cleaners, and boiler tube cleaners.
• e-Instruments Group, LLCminorChannel Partner/ Reseller/ DistributorCombustion test kits, smoke test kits, and electronic portable analyzers for boiler system testing and maintenance.
• JJM Alkaline TechnologiesminorChannel Partner/ Reseller/ DistributorBoiler room accessories and water treatment technology provider.

Scale indicators1 record

Recent moves4 records

Expansion highlights4 records

Broad incumbents

• Hurst Boiler & Welding Co., Inc. Manufacturer of vertical, firebox, and scotch marine boilers (6–1,500 HP) and solid-fuel hybrids. A represented principal for CBS, but functions as a peer in the broader boiler market with overlapping customer set.
• Fulton Boiler Works, Inc. Manufacturer of vertical tubeless boilers, steam boilers, and hot water boilers for commercial and industrial customers. Overlaps directly with the boiler product category CBS sells through its rep principals.
• Cleaver-Brooks: Major North American manufacturer of industrial boilers, burners, and boiler room systems. Overlaps with the equipment categories CBS represents (fire tube, water tube, controls) but at the OEM level rather than as a rep.
• WARE Inc. Manufacturer of commercial and industrial fire tube boilers plus service and parts. Comparable to CBS in targeting commercial/industrial boiler rooms with both new equipment and recurring service/parts revenue.
• Babcock & Wilcox: 130-year-old manufacturer of packaged and field-erected water tube boilers up to 250,000 lbs/hr. CBS is a Channel Partner/Reseller of Babcock & Wilcox; the manufacturer relationship makes B&W a directly comparable incumbent in the same product category.
• Burnham Holdings, Inc. Holding company for hydronic and boiler brands serving residential, commercial, and industrial markets. Comparable to CBS's portfolio in product type and customer overlap (engineers, contractors, institutional buyers), though at the manufacturer level.
• Superior Boiler Works, Inc. Manufacturer of fire tube and water tube boilers for commercial and industrial applications. Overlaps with CBS's represented portfolio (firebox/scotch marine, packaged boilers) and serves similar engineering/contractor customers.

Direct peers

• R.F. MacDonald Co. Independent manufacturer's representative for commercial and industrial boiler, burner, and water heater equipment across the Western U.S. Closest peer to Complete Boiler Systems: same business model, similar multi-principal portfolio, regional sales territory with technical/specification focus.
• Powerhouse Equipment & Engineering Co. Manufacturer's representative and distributor of boiler, burner, and combustion equipment serving the Mid-Atlantic and adjacent markets. Closest geographic and operational peer to Complete Boiler Systems — same model, similar regional footprint, overlapping principal relationships.
• John W. Danforth Company: Multi-branch independent manufacturer's representative for HVAC, plumbing, and hydronic/boiler equipment across Upstate New York and Pennsylvania. Directly comparable to CBS in model (commission rep), customer mix (engineers, contractors, building owners), and boiler/hydronic category focus.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/complete-boiler-systems-llc

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

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 Complete Boiler Systems, LLC