Interstate Heating
Interstate Heating Co. is a third-generation, family-owned HVAC services company founded in 1962, serving residential and commercial customers across 15 cities in southeastern Wisconsin as a Carrier Factory Authorized Dealer.
- Company typePrivate
- Founded1962
- HeadquartersSussex, United States
- Headcount11–50
- GTM typeB2B and B2C
- OfferingServices
What Interstate Heating does
Interstate Heating Co. is a third-generation, family-owned HVAC services company headquartered in Sussex, Wisconsin, founded in 1962 by Gordy and John Cole. The company provides heating, cooling, indoor air quality, and ductwork services to residential and commercial customers across 15 cities in southeastern Wisconsin, operating as a Carrier Factory Authorized Dealer with access to Carrier's full product portfolio including Infinity, Performance, and Comfort series furnaces, heat pumps, air conditioners, geothermal systems, ductless mini-splits, packaged units, fan coils, evaporator coils, and smart thermostats with integrations across Alexa, Google Assistant, Apple HomeKit, Samsung SmartThings, and IFTTT.
Revenue is generated through five primary streams: one-time HVAC installation (furnaces, ACs, heat pumps, geothermal, ductless), repair and maintenance service calls, recurring annual maintenance agreements, Carrier equipment and accessory sales, and commercial HVAC installation and service work. Pricing is quote-based and not publicly disclosed, with customer financing available and incentive programs including Focus on Energy rebates (up to $700) and federal tax credits (up to $2,000) layered into the offer. Distribution is direct via field service technicians, with customers reached through phone, online service/estimate requests, local SEO across 15 city-specific landing pages, Google reviews (4.9/5 over 1,023 reviews), educational blog content, and community partnerships including a sponsorship with the Milwaukee Brewers.
The company is independently owned with no parent company, no institutional investors, no subsidiaries, and no disclosed funding rounds. It maintains NATE-certified, licensed, bonded, and insured technicians and is a participating Focus on Energy Trade Ally contractor. Operations are concentrated in a single regional market with no public revenue, headcount, or expansion announcements disclosed.
Interstate Heating firmographics
Firmographics- Name
- Interstate Heating
- Legal name
- Interstate Heating Co.
- Website
- https://interstateheating.com
- Company type
- Private
- Founded year
- 1962
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Interstate Heating Co. is a third-generation, family-owned HVAC services company founded in 1962, serving residential and commercial customers across 15 cities in southeastern Wisconsin as a Carrier Factory Authorized Dealer.
- Ownership category
- akta.pro rank
Interstate Heating industry classification
Industry- Product category
- HVAC Services
- NAICS
- Plumbing, Heating, and Air-Conditioning Contractors (238220), Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers (42373)
- SIC
- Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070)
- akta.pro primary industry
- Residential HVAC System Installation (Furnace/AC/Heat Pump) (HSAOAGAA)
- akta.pro secondary industries
- Furnace Repair & Maintenance (HSAOAHAE), Water Heater/Boiler Flue, Venting & Chimney Liner Service (HSAOACAF)
Keywords
Where Interstate Heating is headquartered
LocationHeadquarters
- HQ city
- Sussex
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Interstate Heating business model
Business model- GTM type
- B2B and B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- HVAC Installation Services: Revenue from installing new heating and cooling systems including furnaces, air conditioners, heat pumps, geothermal systems, and ductless mini-splits for residential and commercial customers.
- HVAC Repair and Maintenance Services: Service revenue from repairing and maintaining existing HVAC equipment. Customers can schedule service calls or request repairs online or by phone.
- Maintenance Agreements: Recurring revenue from annual HVAC maintenance memberships that help prevent breakdowns and improve system efficiency.
- Carrier Products: Sales of Carrier HVAC equipment, parts, accessories, thermostats, and indoor air quality products through their product catalog.
- Commercial HVAC Services: Installation, maintenance, repair, and replacement services for commercial building HVAC systems.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Focus on Energy Instant Rebates on Furnaces |
| Other | Multi-year contract | Focus on Energy Instant Rebates on Heat Pumps (Tier 1-4) |
| Other | Multi-year contract | Federal Tax Credits |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels5 records
Interstate Heating product offering
Product offeringCore offering
Interstate Heating Co. installs, repairs, and maintains residential and commercial heating, cooling, and indoor air quality systems across southeastern Wisconsin as a Carrier Factory Authorized Dealer. The company sells and services Carrier furnaces, air conditioners, heat pumps, geothermal systems, ductless mini-splits, boilers, zone controls, smart thermostats, and IAQ products, supported by annual maintenance agreements. Operations are run out of its Sussex, Wisconsin headquarters with field service technicians dispatched across 15 cities in Waukesha and Milwaukee counties.
Product overview
Interstate Heating Co. is a third-generation HVAC service company established in 1962, serving southeastern Wisconsin with heating, cooling, and indoor air quality solutions. As a Carrier Factory Authorized Dealer, the company offers a comprehensive portfolio of Carrier-branded HVAC products including gas furnaces (80%-98.5% AFUE), air conditioners (up to 16 SEER2), heat pumps (up to 22 SEER2, 10.5 HSPF2), geothermal heat pumps (up to 37 EER), ductless mini-splits, packaged systems, fan coils, evaporator coils, and smart thermostats with smart home integrations. The company also provides installation, repair, maintenance, and duct cleaning services for both residential and commercial properties, along with indoor air quality products including air purifiers (HEPA, MERV 10-15), humidifiers (12-34 gallons/day), dehumidifiers (up to 95 pints/day), UV lamps, HRVs, ERVs, and zone control systems. Services include furnace, heat pump, boiler, geothermal, air conditioning, air duct, duct cleaning, and commercial HVAC maintenance.
Differentiator
Problem solved
Functional benefit
Products and services
- Carrier Gas Furnaces Residential Carrier gas furnaces across Comfort, Performance, and Infinity series with AFUE ratings from 80% to 98.5%, featuring variable-speed blowers and modulating gas valves for precision comfort control. Sold and installed by Interstate Heating for residential heating customers.
- Carrier Heat Pumps Carrier heat pumps providing combined heating and cooling, including models with SEER2 ratings up to 22 and HSPF2 ratings up to 10.5, featuring variable-speed compressors and hybrid heat compatibility for residential installations.
- Carrier Geothermal Heat Pumps Carrier geothermal heat pump systems utilizing ground-source energy for highly efficient heating and cooling, with EER ratings up to 37 and COP ratings up to 5.2 for residential customers seeking premium efficiency.
- Ductless Mini-Split Systems Ductless heating and cooling systems for residential spaces where traditional ductwork is impractical, including additions, garages, bonus rooms, and home offices.
- Carrier Air Conditioners Carrier central air conditioning units for residential cooling, featuring models with SEER2 ratings up to 16 and ENERGY STAR certification for enhanced energy savings.
- Boilers Residential boiler systems providing consistent warmth throughout winter seasons with energy-efficient replacement options for home heating.
- Zone Control Systems Zone control systems allowing customization of temperatures throughout different areas of the home for enhanced comfort and energy efficiency.
- Carrier Indoor Air Quality Products Complete line of Carrier indoor air quality solutions including air purifiers (HEPA and MERV ratings up to 15), humidifiers (producing 12-34 gallons of water vapor per day), dehumidifiers (removing up to 95 pints daily), UV lamps for coil sterilization, HRVs, ERVs, and carbon monoxide alarms.
- Carrier Packaged HVAC Systems Carrier packaged HVAC systems combining heating and cooling in single units, including air conditioners (up to 16 SEER2), gas/electric units, heat pumps (up to 15.5 SEER, 8.5 HSPF), and hybrid systems with ENERGY STAR options.
- Carrier Smart Thermostats Carrier smart thermostats including Infinity system controls, ecobee for Carrier models, and zoning thermostats with Wi-Fi connectivity, mobile app control, occupancy sensing, energy tracking, and smart home platform integrations (Amazon Alexa, Google Assistant, Apple HomeKit, Samsung SmartThings, IFTTT).
- Air Duct Services Air duct installation, repair, and replacement services to improve airflow, temperature consistency, and energy efficiency in residential homes.
- Duct Cleaning Services Professional residential duct cleaning services to remove dust, debris, and airborne contaminants from ductwork, improving airflow and indoor air quality.
- Commercial HVAC Services Commercial heating, cooling, ventilation, and air conditioning installation, maintenance, repair, and replacement services for businesses throughout Waukesha County and southeastern Wisconsin, including commercial dehumidification systems.
- HVAC Maintenance Agreements Annual HVAC maintenance membership programs to prevent breakdowns, improve efficiency, extend equipment lifespan, and ensure reliable year-round operation for residential and commercial customers.
- Whole-House Humidifiers and Dehumidifiers Whole-home humidity control solutions including humidifiers and dehumidifiers to maintain appropriate indoor humidity levels for residential comfort and health.
Quantifiable outcome
- Efficient systems can cut energy use by up to 30%
- +1 more outcomes
Companies that use Interstate Heating
Customer profileNamed customers4 records
Segments3 records
Ideal customer profiles2 records
Interstate Heating technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration5 records
Feature3 records
Interstate Heating partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core and minor.
- CarriercoreInterstate Heating is a Carrier Factory Authorized Dealer, selling and installing Carrier heating, cooling, and indoor air quality products including furnaces, air conditioners, heat pumps, geothermal systems, thermostats, and accessories. This partnership provides access to Carrier's product line, warranties, and rebate programs.
- Milwaukee BrewersminorCommunity partnership with the Milwaukee Brewers baseball team as a sponsoring partner, building local brand awareness and community connection.
- Focus on EnergycoreParticipating Trade Ally contractor working with Focus on Energy to offer residential customers instant rebates and discounts on qualifying energy-efficient HVAC equipment up to $700.
- Better Business BureauminorBBB accredited business demonstrating commitment to ethical business practices and customer satisfaction.
- Metropolitan Builders AssociationminorMembership in Metropolitan Builders Association, connecting with the building and construction community for new construction opportunities.
- North American Technician Excellence (NATE)minorTechnicians certified through NATE, the leading certification program for HVAC technicians, ensuring qualified installation and service standards.
Scale indicators3 records
Recent moves6 records
Expansion highlights6 records
Interstate Heating competitors and assessment
Company assessmentBroad incumbents
- Lennox International: Lennox is a leading HVAC manufacturer serving the same residential replacement and new-construction market as Carrier. Its Dave Lennox Signature Collection and elite dealer program mirror the Carrier Factory Authorized Dealer model, making Lennox dealers a direct competitive substitute for carriers like Interstate Heating.
- Rheem Manufacturing: Rheem manufactures residential heating, cooling, and water-heating equipment sold through an independent dealer network similar to Interstate Heating's Carrier affiliation. Its product portfolio and dealer economics are a comparable competitive force in the regional residential HVAC market.
- Goodman Manufacturing: Goodman is a major residential HVAC manufacturer owned by Daikin, selling through independent dealers and competing with Carrier in the value and mid-tier segments. Its distribution model creates alternative dealer affiliations that compete with Interstate Heating for both product positioning and contractor mindshare.
- Carrier Corporation: Carrier is Interstate Heating's primary equipment supplier and the manufacturer behind the Infinity, Performance, and Comfort product lines the company installs. As a global HVAC incumbent with its own dealer network and growing direct channels, Carrier is both a critical partner and a structural counterparty that shapes Interstate Heating's competitive position.
Others
- ServiceTitan: ServiceTitan is a software platform purpose-built for residential and commercial HVAC, plumbing, and electrical service businesses. It does not compete with Interstate Heating for customers but supplies the operating system that comparable contractors rely on to scale dispatch, maintenance agreements, and recurring-revenue workflows.
- Trane Technologies: Trane is a major HVAC equipment manufacturer whose residential and light-commercial product lines compete head-to-head with Carrier in the same southeastern Wisconsin dealer channel. While not a service provider itself, Trane's dealer network and direct-consumer initiatives define the competitive context for Interstate Heating's equipment and installation business.
- Angi: Angi (formerly Angie's List / HomeAdvisor) is a home-services marketplace that routes residential HVAC leads to local contractors. It is not a direct HVAC provider but functions as an alternative customer-acquisition channel that competes with Interstate Heating's Google-review and local-SEO approach for lead share in the same southeastern Wisconsin market.
Direct peers
- One Hour Heating & Air Conditioning: One Hour Heating & Air Conditioning is a national franchise network of residential HVAC service providers offering installation, repair, and maintenance under a unified brand. It is directly comparable to Interstate Heating in business model, customer segment, and service offering, though it competes via national marketing rather than deep local roots.
- Comfort Systems USA: Comfort Systems USA is a national mechanical contractor focused on commercial HVAC installation, service, and retrofit. While larger and commercial-skewed, its model of multi-region mechanical contracting with recurring service revenue is structurally analogous to Interstate Heating's commercial HVAC segment.
Market position
Weaknesses3 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Interstate Heating social profiles
Digital presenceInterstate Heating compliance and trust
Trust signalCompliance3 records
Interstate Heating financial estimates
Financial estimateRevenue estimate
Valuation estimate
Interstate Heating leadership team
Management profileNumber of profiles
Interstate Heating funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Interstate Heating 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 Interstate Heating
What does Interstate Heating do?
Interstate Heating Co. installs, repairs, and maintains residential and commercial heating, cooling, and indoor air quality systems across southeastern Wisconsin as a Carrier Factory Authorized Dealer. The company sells and services Carrier furnaces, air conditioners, heat pumps, geothermal systems, ductless mini-splits, boilers, zone controls, smart thermostats, and IAQ products, supported by annual maintenance agreements. Operations are run out of its Sussex, Wisconsin headquarters with field service technicians dispatched across 15 cities in Waukesha and Milwaukee counties.
Is Interstate Heating a public or private company?
Interstate Heating is a private company. It is classified as family owned and is currently operating.
When was Interstate Heating founded?
Interstate Heating was founded in 1962. It employs 11 to 50 people.
Where is Interstate Heating based?
Interstate Heating is headquartered in Sussex, United States, in the North America region.
How does Interstate Heating make money?
Five revenue lines are on record. HVAC Installation Services are the primary driver. The others are HVAC Repair and Maintenance Services, maintenance Agreements, carrier Products and commercial HVAC Services.
Who are Interstate Heating's main competitors?
Broad incumbents on record are Lennox International, Rheem Manufacturing, Goodman Manufacturing and Carrier Corporation. Others are ServiceTitan, Trane Technologies and Angi. Direct peers are One Hour Heating & Air Conditioning and Comfort Systems USA.
Does Interstate Heating have an API?
No public API is recorded for Interstate Heating.
What industry is Interstate Heating in?
Interstate Heating's product category is HVAC Services. Its primary akta.pro industry code is HSAOAGAA, Residential HVAC System Installation (Furnace/AC/Heat Pump), with a secondary code of HSAOAHAE, Furnace Repair & Maintenance. Its NAICS code is 238220 and its SIC code is 3585.