Air Comfort Service

What Air Comfort Service does

Air Comfort Service, Inc. is a family-owned HVAC services company founded in 1969 and headquartered in St. Louis, Missouri, serving residential and commercial customers across the greater St. Louis metropolitan area — including St. Charles, Jefferson, Franklin, Lincoln, and Warren Counties in Missouri and three Metro East Illinois counties. The company operates from two offices (Hazelwood and St. Peters), runs 24/7 emergency dispatch, and offers same-day service via online booking, phone (314-819-0028), and quote-request forms. Its core customer base is residential homeowners needing heating, cooling, water heater, insulation, and indoor air quality services, with a secondary commercial segment covering rooftop units, chillers, PTAC units, and custom maintenance plans for offices, retail, schools, and healthcare facilities.

The company's service portfolio spans AC and furnace repair, installation, and replacement; heat pumps; boilers; blown-in attic insulation (fiberglass and cellulose); water heater installation and repair; indoor air quality (whole-house air purifiers, UV germicidal lamps, humidifiers, dehumidifiers); and certified Aeroseal duct sealing — a patented aerosol-based technology that seals ductwork leaks from the inside. Air Comfort Service is a Carrier Factory Authorized Dealer and an 11-time winner of Carrier's President's Award, supported by a 4.9-star Google rating and A+ BBB rating. Technician recruiting is active across apprentice, journeyman, residential, and commercial roles.

The business model mixes three revenue streams: (i) one-time transactional service revenue from diagnostic visits ($99 standard / $199 after-hours), repair calls, and equipment installations (Carrier systems); (ii) recurring subscription revenue from the Preferred Partner Plan, a maintenance membership starting at $19/month that includes two annual system checks, priority scheduling, and material discounts on emergency fees, repairs, and new equipment; and (iii) professional services revenue from insulation and duct-sealing work, priced on flat-rate or per-project terms with free estimates and Wells Fargo-backed financing available for qualified customers. The company markets through its own website (organic search), referral rewards, customer review platforms, and community partnerships. It is privately held with no disclosed outside investors and no parent company identified in source materials. Note that a separately branded "Air Comfort Service Group" (ACSG) operating in New York City with 80+ technicians joined the Astra Service Partners network on March 12, 2026; that entity is distinct from the St. Louis-based Air Comfort Service, Inc. discussed here.

Name

Air Comfort Service

Legal name

Air Comfort Service, Inc.

Website

https://aircomfortservice.com

Company type

Private

Founded year

1969

Operating status

Operating

Headcount range

11–50 employees

Short description

Air Comfort Service is a family-owned HVAC services company founded in 1969, serving residential and commercial customers across the greater St. Louis metro with heating, cooling, insulation, indoor air quality, water heater, and Aeroseal duct-sealing services from offices in Hazelwood and St. Peters, Missouri.

Ownership category

akta.pro rank

Product category

HVAC Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (238220)

akta.pro primary industry

Air Conditioner (AC) Repair & Maintenance (HSAOAHAF)

akta.pro secondary industries

Residential HVAC System Installation (Furnace/AC/Heat Pump) (HSAOAGAA), Emergency HVAC Repair (24/7) (HSAOAHAC), HVAC Installation, Service & Repair (IMAIABAA), Humidifier & Dehumidifier Installation & Service (HSAOAIAJ)

Keywords

• HVAC services
• Heating and cooling
• Residential HVAC
• Commercial HVAC
• Water heater services

Headquarters

HQ city

St Louis

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. HVAC Repair Services: One-time service calls for heating and cooling repair, diagnostic visits, and emergency repairs. Pricing includes diagnostic fees ($99 standard, $199 after-hours) and repair costs.
2. HVAC Maintenance Plans: Monthly or annual subscription-based Preferred Partner Plan providing two annual HVAC system checks, priority scheduling, emergency service discounts (50% off), and repair discounts (15% off). Starts at $19/month.
3. Equipment Installation: One-time sales of new HVAC equipment including furnaces, air conditioners, heat pumps, and water heaters. Carrier systems are installed as a Factory Authorized Dealer.
4. Insulation Services: Blown-in attic insulation installation using fiberglass and cellulose materials. Includes energy efficiency assessments and R-value recommendations.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Air Comfort Service is a family-owned HVAC contractor based in St. Louis, Missouri, founded in 1969, that sells, installs, repairs, and maintains heating, air conditioning, insulation, and water heater systems for residential and commercial customers. The company operates as a Carrier Factory Authorized Dealer and offers 24/7 emergency service along with a Preferred Partner Plan maintenance subscription.

Product overview

Air Comfort Service is a family-owned HVAC service company serving the St. Louis metropolitan area since 1969. The company operates as a Carrier Factory Authorized Dealer and offers a comprehensive suite of heating, cooling, and insulation products and services. Core offerings include AC repair and installation, heating/furnace services (including boilers and heat pumps), commercial HVAC, attic insulation, and water heater services. The portfolio includes add-on products such as indoor air quality solutions (air purifiers, UV lamps, humidifiers, dehumidifiers), Aeroseal duct sealing, and a Preferred Partner Plan maintenance membership program. The company primarily serves residential and commercial customers across St. Louis City, St. Louis County, St. Charles County, and parts of Jefferson County in Missouri, and St. Clair, Madison, and Monroe Counties in Illinois.

Differentiator

Problem solved

Functional benefit

Products and services

• Heating Services Installation, repair, and maintenance of heating systems (furnaces, boilers, heat pumps) for residential and commercial customers in the St. Louis metro area.
• Air Conditioning Services Installation, repair, and maintenance of central air conditioning and cooling systems for residential and commercial customers in the St. Louis metro area.
• Insulation Services Installation of insulation products to improve energy efficiency in homes and commercial buildings served by the company.
• Water Heater Services Installation, repair, and replacement of water heater systems (traditional and tankless) for residential and light commercial customers.
• Preferred Partner Plan Subscription-based HVAC maintenance plan providing routine inspections, tune-ups, and priority service for enrolled residential and commercial customers.
• 24/7 Emergency HVAC Service Around-the-clock emergency repair service for heating and cooling system breakdowns, available to residential and commercial customers.

Quantifiable outcome

• Proper attic insulation can reduce heating and cooling costs by up to 30%
• +2 more outcomes

Named customers2 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

One partnership is on record.

• Astra Service PartnerscoreChannel Partner/ Reseller/ Distributor · 12 March 2026Air Comfort Service Group (ACSG) joined the Astra Service Partners network effective March 12, 2026, marking Astra's entry into the New York City metropolitan area. ACSG operates over 80 technicians serving commercial facilities across the five boroughs with HVAC, refrigeration, and kitchen equipment services. Note: This is Air Comfort Service Group (NYC-based), which is a separate entity from the St. Louis-based Air Comfort Service, Inc. discussed in other sources.

Scale indicators3 records

Recent moves5 records

Expansion highlights6 records

Direct peers

• Cool Today: Regional residential HVAC, plumbing, and electrical service company serving the Southeast US with a similar multi-trade service model, subscription maintenance offerings, and direct-to-consumer go-to-market approach comparable to Air Comfort Service.
• One Hour Heating & Air Conditioning: National residential HVAC service franchise with local owner-operators delivering heating, cooling, and indoor air quality services under a unified brand. Comparable business model as a regional service provider competing for the same homeowner customer.
• Aire Serv: Franchise-based residential and light commercial HVAC service brand operating across multiple US markets. Comparable in offering heating/cooling repair, installation, and maintenance services with subscription-style maintenance plans for homeowners.
• John Moore Services: Texas-based residential HVAC, plumbing, and electrical service company with a multi-trade bundle model and decades of brand history. Strongly comparable in business model, target customer (homeowners), and breadth of home services.
• Ragsdale Heating, Air & Plumbing: Atlanta-area residential HVAC and plumbing service company with multi-decade operating history, similar mid-market service bundle, and direct-to-consumer marketing approach comparable to Air Comfort's positioning.

Broad incumbents

• Service Experts: Large multi-market residential HVAC service brand owned by a major OEM (formerly Lennox), providing heating, cooling, and indoor air quality services across many US metros. Comparable offering at greater scale and broader geographic footprint.
• Carrier Corporation: Global HVAC equipment OEM and Air Comfort's primary brand partner (Factory Authorized Dealer program). Relevant incumbent that supplies the equipment Air Comfort installs and shapes the dealer economics the company operates within.
• Trane Technologies: Major HVAC equipment OEM whose products compete with Carrier-installed systems in the same residential replacement market. Adjacent incumbent shaping the equipment ecosystem Air Comfort operates in.

Regional players

• Beyer Mechanical: St. Louis-area HVAC, plumbing, and mechanical services contractor competing in the same geographic market with overlapping residential and commercial service capabilities. Direct local competitor in the St. Louis metro.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/aircomfortinc

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 Air Comfort Service