Iron Fireman
Iron Fireman is a privately held, 108-year-old residential HVAC service contractor headquartered in Waukesha, WI, providing 24/7 heating, cooling, air duct sealing, and standby generator installation to homeowners across southeastern Wisconsin under the trade name "Mr. Indoor Comfort."
- Company typePrivate
- Founded1917
- HeadquartersWales, United States
- Headcount51–100
- GTM typeB2C
- OfferingServices
What Iron Fireman does
Iron Fireman is a privately held residential HVAC service contractor operating under the legal name Iron Fireman Heating, Ventilating & Air Conditioning and the trade identity "Mr. Indoor Comfort." Founded in 1917 and headquartered in Wales/Waukesha, Wisconsin (402 Travis Lane, Suite 67, Waukesha, WI 53189), the company provides 24/7/365 heating, cooling, indoor air quality, and standby generator services to homeowners across southeastern Wisconsin, including Milwaukee County, Waukesha County, Lake Country, Racine, Madison, and surrounding communities. Core service lines include emergency and planned repair and replacement of furnaces, boilers, air conditioners, heat pumps, radiant heaters, hybrid systems, and humidification equipment; air duct cleaning and Aeroseal aerosol-based duct sealing delivered in partnership with Clean Living Environments; Briggs & Stratton PowerProtect standby generator sales and installation (10kW-26kW) with electrical work subcontracted to Meyers Electric Inc.; and iWave and PremierOne air purifier installation. Free on-site estimates are standard, with discounted repair rates offered to customers on preventative maintenance and service agreements. Technicians are described as Angie's List A+ rated and the business carries a BBB A+ accreditation.
The company's technical capabilities center on the skilled deployment of third-party HVAC and power equipment rather than proprietary technology development. Iron Fireman is Wisconsin's #1 installer and southeastern Wisconsin's leading distributor of UNICO small-duct high-velocity (SDHV) central air systems, a niche solution for older and historic homes where conventional ductwork is impractical; UNICO also supplies a hydronic Hot Water Coil+ heating line. The company installs Rheem high-efficiency forced-air equipment (15.5-20.5 SEER ACs; up to 96% AFUE furnaces) and Weil-McLain boilers. Aeroseal duct sealing (developed by Dr. Mark Modera in 1993) is delivered via Clean Living Environments and provides before/after efficiency verification.
The business model is direct-to-consumer field service with no e-commerce or self-serve channel. Revenue is generated through (a) professional-service HVAC repair calls and emergency dispatch, (b) one-time equipment installation and replacement sales of furnaces, boilers, ACs, heat pumps, and generators, (c) professional-service air duct cleaning and Aeroseal sealing performed per job, (d) hardware sales of generators and air purifiers inclusive of installation, and (e) recurring subscription-like preventative maintenance agreements. Pricing is unit-based or quote-based on free in-home consultations; national-average reference points cited include $300-$500 for duct cleaning and $1,500-$6,000 for furnace replacement depending on model. Marketing is driven by a service-area-targeted website, Google Business Profile and reviews (4.1/5 stars), customer testimonials, YouTube troubleshooting videos, BBB A+ accreditation, and word-of-mouth referrals — with no paid digital advertising or marketplace presence evident.
Iron Fireman firmographics
Firmographics- Name
- Iron Fireman
- Legal name
- Iron Fireman Heating, Ventilating & Air Conditioning
- Website
- https://iron-fireman.com
- Company type
- Private
- Founded year
- 1917
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Iron Fireman is a privately held, 108-year-old residential HVAC service contractor headquartered in Waukesha, WI, providing 24/7 heating, cooling, air duct sealing, and standby generator installation to homeowners across southeastern Wisconsin under the trade name "Mr. Indoor Comfort."
- Ownership category
- akta.pro rank
Iron Fireman industry classification
Industry- Product category
- Residential HVAC Services
- NAICS
- Plumbing, Heating, and Air-Conditioning Contractors (23822)
- akta.pro primary industry
- Air Conditioner (AC) Repair & Maintenance (HSAOAHAF)
- akta.pro secondary industries
- Dryer Vent Cleaning & Maintenance (HSAOAIAB), Water Heater/Boiler Flue, Venting & Chimney Liner Service (HSAOACAF)
Keywords
Where Iron Fireman is headquartered
LocationHeadquarters
- HQ city
- Wales
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Iron Fireman business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Marketing or Sales, Infrastructure, Technology or R&D
Revenue model
- HVAC Repair Services: Iron Fireman generates revenue through service calls and repair fees for furnaces, boilers, air conditioners, heat pumps, hybrid systems, radiant heaters, air handlers, and humidification systems. The company offers 24/7 emergency repair service and charges for parts and labor. Discounted repair rates are available for customers on preventative maintenance and service agreements.
- HVAC Installation and Replacement: Revenue is generated from the sale and installation of new HVAC equipment including furnaces, boilers, air conditioners, heat pumps, radiant heaters, split-systems, and hybrid systems. Iron Fireman installs Rheem, UNICO, and Weil-McLain products. Free estimates are offered to drive these sales.
- Generator Installation: Iron Fireman installs Briggs & Stratton PowerProtect standby generators (10kW to 26kW outputs) as an authorized dealer. Revenue includes the equipment sale, installation, permit acquisition, and gas line routing. Partnered with Meyers Electric Inc. for electrical installation.
- Air Duct Cleaning and Sealing: Revenue generated through a partnership with Clean Living Environments using the Aeroseal duct sealing system. Services include air duct cleaning (removal of dust, debris, mold, allergens) and air duct sealing (patching leaks with Aeroseal technology). Pricing is per job, with average national costs ranging from $300-$500 for cleaning. Duct sealing recommended every 5-10 years.
- Preventative Maintenance Agreements: Iron Fireman offers discounted repair rates for customers who sign up for preventative maintenance and service agreements. This creates recurring revenue through annual or ongoing service contracts that cover tune-ups and inspections.
- Air Purifier Installation: Revenue from installing air purifiers including iWave (a/C attachable ion-based purifier requiring no maintenance) and PremierOne UV Germicidal Air Purifiers (kills bacteria/viruses, controls mold, 2-year bulb warranty, lifetime UV unit warranty).
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Air Duct Cleaning |
| Unit Pricing | Pay-as-you-go | Air Conditioner Installation by Unit Size |
| Unit Pricing | Pay-as-you-go | Furnace Replacement |
| Other | Pay-as-you-go | Service Call / Repair Rates |
| Unit Pricing | Pay-as-you-go | Generator Installation (Briggs & Stratton PowerProtect Series) |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels6 records
Iron Fireman product offering
Product offeringCore offering
Iron Fireman sells and installs residential heating, cooling, and indoor air quality solutions, offering 24/7 emergency repair and replacement of furnaces, boilers, air conditioners, heat pumps, and radiant heaters. The company delivers air duct cleaning and Aeroseal-based duct sealing in partnership with Clean Living Environments, and installs Briggs & Stratton standby generators and iWave/PremierOne air purifiers. Revenue is captured through service calls, new equipment installations, and recurring preventative maintenance agreements.
Differentiator
Problem solved
Functional benefit
Products and services
- HVAC Repair Services 24/7 emergency repair service for residential furnaces, boilers, air conditioners, heat pumps, hybrid systems, radiant heaters, air handlers, and humidification systems. Charges apply for parts and labor, with discounted rates offered to preventative maintenance agreement customers and same-day service available.
- HVAC Installation and Replacement Sale and professional installation of new HVAC equipment including Rheem, UNICO, and Weil-McLain furnaces, boilers, central air conditioners, heat pumps, radiant heaters, split-systems, and hybrid systems. Free on-site estimates are provided before installation.
- Air Duct Cleaning Removal of dust, debris, mold, and allergens from residential air duct systems, delivered in partnership with Clean Living Environments using state-of-the-art equipment. Recommended every 2–5 years; averages 25–40% improvement in indoor air quality and 5–15% improvement in energy efficiency.
- Air Duct Sealing (Aeroseal) Aerosol-based internal air duct sealing service using Aeroseal technology, which injects a proprietary sealant mist that adheres only to the edges of gaps and holes, sealing ductwork from the inside without invasive access. Provides before-and-after efficiency ratings; recommended every 5–10 years.
- Standby Generator Installation Sale and installation of Briggs & Stratton PowerProtect series standby generators (10 fuel-efficient models ranging from 10kW to 26kW outputs), including equipment, installation, permit acquisition, gas line routing, and electrical hookup coordinated with Meyers Electric Inc. Free in-home consultation provided.
- UNICO Small Duct High-Velocity (SDHV) Cooling System Installation Installation of UNICO small-duct high-velocity central air conditioning systems for older and historic homes where conventional ductwork is impractical. Removes up to 30% more humidity than conventional systems and includes air filtration and UV light filtering options.
- Hydronic Heating System Installation (UNICO Hot Water Coil+) Installation of UNICO's Hot Water Coil+ hydronic heating systems using heated water cycled through pipes in floors, baseboards, or radiators from a boiler or hot water heater. Provides per-zone temperature control and consistent heat without hot/cold spots; compatible with most flooring types.
- Air Purifier Installation Installation of residential air purification systems including iWave ion-based purifiers (no maintenance required) and PremierOne UV Germicidal Air Purifiers (kills bacteria/viruses, controls mold, 2-year bulb warranty, lifetime UV unit warranty).
- Preventative Maintenance Agreements Annual/ongoing service contracts covering HVAC tune-ups and inspections for residential customers. Members receive discounted repair rates and same-day service guarantees.
Quantifiable outcome
- 20-30% of air moving through duct systems is lost due to leaks, holes, and poorly installed ducts (EnergyStar)
- +5 more outcomes
Companies that use Iron Fireman
Customer profileNamed customers6 records
Segments2 records
Ideal customer profiles2 records
Iron Fireman technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Iron Fireman partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered core.
- Clean Living EnvironmentscoreClean Living Environments is a key operational partner for Iron Fireman's air duct cleaning and sealing services. Clean Living's certified technicians perform the actual cleaning and Aeroseal sealing work using state-of-the-art equipment, while Iron Fireman serves as the primary customer interface and sales channel. The partnership enables Iron Fireman to offer comprehensive indoor air quality services without maintaining in-house duct cleaning crews.
- Meyers Electric, Inc.coreBill Meyers from Meyers Electric Inc. handles the electrical aspects of generator installation including circuit breakers, wiring, and electrical hookups. The company was started by Bill Meyers' father in Wales, WI in 1962 and has been serving southeastern Wisconsin ever since. Iron Fireman acts as the primary customer contact and coordinates the generator installation process with Meyers Electric for the electrical work component.
- Briggs & StrattoncoreIron Fireman is an authorized dealer of Briggs & Stratton PowerProtect series standby generators (10kW to 26kW outputs, 10 fuel-efficient models). Briggs & Stratton is a Wisconsin-headquartered company with global reach. Iron Fireman purchases generators from Briggs & Stratton and resells/instals them to homeowners as part of a full-service generator installation offering.
- UNICO SystemcoreUNICO is a manufacturer of small duct high-velocity (SDHV) central air conditioning systems founded in 1985. Iron Fireman is Wisconsin's #1 UNICO installer and the leading distributor of UNICO systems in southeastern Wisconsin. Iron Fireman purchases and installs UNICO products including the SDHV air conditioning system and the Hot Water Coil+ hydronic heating system.
- RheemcoreRheem (founded 1925) is a leading North American supplier of heating and air conditioning products including furnaces, air conditioners, and heat pumps. Iron Fireman installs a full line of Rheem products, utilizing Rheem for forced air systems and benefiting from Rheem's high SEER ratings (15.5-20.5) and AFUE ratings (up to 96%).
- Weil-McLaincoreWeil-McLain (founded 1881 in Chicago by Isadora and Benjamin Weil) is a manufacturer of boilers and water heaters for residential and commercial use. Iron Fireman is a trusted installer of Weil-McLain boilers, particularly for hydronic/radiator heating systems in southeastern Wisconsin homes.
- AerosealcoreAeroseal is an aerosol-based duct sealing technology created by Dr. Mark Modera in 1993. The Aeroseal system provides the fastest and most cost-effective approach to sealing leaky air ducts. Clean Living Environments uses the Aeroseal system in partnership with Iron Fireman. The technology injects an aerosol-based sealant into ductwork that adheres only to gap edges, sealing from within without invasive access.
Scale indicators5 records
Recent moves6 records
Expansion highlights4 records
Iron Fireman competitors and assessment
Company assessmentDirect peers
- One Hour Heating & Air Conditioning: Franchised residential HVAC service brand emphasizing on-time guarantees, 24/7 service, and installation of Carrier and allied equipment. Closely matches Iron Fireman's direct-to-homeowner service motion and emergency-driven value proposition.
- ARS / Rescue Rooter: Large multi-brand residential HVAC, plumbing, and generator service provider operating across multiple U.S. regions. Comparable business model of bundled HVAC repair, replacement, and emergency service with a geographic footprint strategy.
- Service Experts: National residential HVAC service, repair, and installation franchise. Direct comparable to Iron Fireman in residential HVAC service model, 24/7 emergency response, and premium-equipment focus, though operating at national rather than regional scale.
Broad incumbents
- Carrier Corporation: Major HVAC equipment manufacturer whose products are installed by contractors like Iron Fireman. Comparable end-market (residential heating/cooling) and brand-led distribution, though operates upstream in manufacturing rather than service delivery.
- HomeServe: National home-services marketplace and warranty provider offering HVAC, plumbing, and electrical repair coverage to homeowners. Comparable end-customer (residential homeowner) and recurring-service orientation, with an aggregator/platform model versus Iron Fireman's direct-contractor model.
- Lennox International: HVAC equipment manufacturer focused on residential and light commercial heating and cooling. Comparable in product category installed by Iron Fireman, but at OEM scale rather than service-contractor scale.
- Trane Technologies: Global HVAC equipment manufacturer and broader climate solutions provider. Highly comparable end-market and product overlap with Iron Fireman's installed base, but operates at manufacturing scale and offers its own residential service brand (Trane) in select markets.
- Roto-Rooter: National plumbing, drain, and HVAC service brand. Comparable in-home service motion and emergency-response value proposition, but with a broader service portfolio and larger scale than Iron Fireman.
Regional players
- Coolray Heating & Cooling: Regional residential HVAC service and installation company in the Southeastern U.S. Comparable operational model of in-home service, equipment installation, and maintenance agreements, though in a different geography.
Others
- Nexstar Network: Business coaching and peer-network organization serving residential HVAC, plumbing, and electrical contractors. Highly comparable customer base of independent residential HVAC service companies, but positioned as an enabling/service provider rather than a competing contractor.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
Iron Fireman social profiles
Digital presenceIron Fireman financial estimates
Financial estimateRevenue estimate
Valuation estimate
Iron Fireman leadership team
Management profileNumber of profiles
Iron Fireman funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Iron Fireman M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Iron Fireman
What does Iron Fireman do?
Iron Fireman sells and installs residential heating, cooling, and indoor air quality solutions, offering 24/7 emergency repair and replacement of furnaces, boilers, air conditioners, heat pumps, and radiant heaters. The company delivers air duct cleaning and Aeroseal-based duct sealing in partnership with Clean Living Environments, and installs Briggs & Stratton standby generators and iWave/PremierOne air purifiers. Revenue is captured through service calls, new equipment installations, and recurring preventative maintenance agreements.
Is Iron Fireman a public or private company?
Iron Fireman is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Iron Fireman founded?
Iron Fireman was founded in 1917. It employs 51 to 100 people.
Where is Iron Fireman based?
Iron Fireman is headquartered in Wales, United States, in the North America region.
How does Iron Fireman make money?
Six revenue lines are on record. HVAC Repair Services are the primary driver. The others are HVAC Installation and Replacement, generator Installation, air Duct Cleaning and Sealing, preventative Maintenance Agreements and air Purifier Installation.
Who are Iron Fireman's main competitors?
Direct peers on record are One Hour Heating & Air Conditioning, ARS / Rescue Rooter and Service Experts. Broad incumbents are Carrier Corporation, HomeServe, Lennox International, Trane Technologies and Roto-Rooter. Coolray Heating & Cooling is listed as a regional player. Nexstar Network is listed as an others.
Does Iron Fireman have an API?
No public API is recorded for Iron Fireman.
What industry is Iron Fireman in?
Iron Fireman's product category is Residential HVAC Services. Its primary akta.pro industry code is HSAOAHAF, Air Conditioner (AC) Repair & Maintenance, with a secondary code of HSAOAIAB, Dryer Vent Cleaning & Maintenance. Its NAICS code is 23822.