What Flair does

Flair is a US-based private company headquartered in San Francisco/Berkeley, California, founded in 2014, that designs and sells smart vents, wireless thermostats, and a proprietary software platform called hvacOS for residential heating and cooling control. The company serves two distinct customer cohorts: individual homeowners who purchase Flair products directly through flair.co or Amazon for DIY installation (addressing hot/cold spot elimination and per-room zoning for both central HVAC and ductless mini split systems), and certified HVAC professionals enrolled in the Flair Pro Program who install advanced solutions such as staged heating controls and boiler/baseboard integrations for end customers. The product portfolio includes the Smart Vent ($129), Bridge networking gateway ($99), Puck 2 wireless thermostat/sensor ($124), and accessories, with Pro-exclusive variants (Puck 2 Pro, Bridge Pro, Static Pressure Kit) available through the trade channel.

The company's technical differentiation centers on hvacOS, a registered proprietary platform that orchestrates automation across ducted, ductless, and hybrid HVAC systems and is compatible with 200+ mini split brands and ten major smart thermostat platforms (ecobee, Honeywell Home, Google Nest, Sensi, Carrier, Bryant, Daikin, Goodman, Amana) plus voice assistants (Alexa, Google Assistant). Notable capabilities include RoomSense temperature accuracy, Mini Split Mirror Mode, automated heat staging, and Fleet Administration for property managers. The platform currently manages 20,000+ mini split heat pumps across North America.

Flair's business model is hardware-led direct-to-consumer e-commerce (flair.co), supplemented by Amazon marketplace sales, a Pro Program for HVAC contractors with pro-only SKUs and rebate qualification support, and strategic distribution partnerships with HVAC/R industrials including RectorSeal and CSW Industrials (the latter holding a $6.8M cumulative minority stake as of March 2026). Revenue is generated through unit-priced hardware sales and professional channel transactions, with publicly listed pricing and a 2-year warranty / 60-day return policy. The company has raised approximately $15–20M cumulatively across more than a dozen funding rounds since 2014, including a $7.6M Series A in September 2022 co-led by Active Impact Investments and Lowercarbon Capital, while maintaining a lean 1–10 employee headcount.

Name

Flair

Legal name

Flair

Website

https://flair.co

Company type

Private

Founded year

2014

Operating status

Operating

Headcount range

1–10 employees

Short description

Flair designs and sells smart vents, wireless thermostats, and its proprietary hvacOS software platform for residential HVAC control, serving individual homeowners via direct e-commerce and certified HVAC professionals through its Pro Program across the US and Canada.

Ownership category

akta.pro rank

Product category

Smart Home HVAC Controls

NAICS

Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512)

SIC

Auto Controls For Regulating Residential & Comml Environments (3822)

akta.pro primary industry

HVAC Controls & Optimization (Smart Thermostats, VAV, Chillers/Boilers Controls) (BPABAGAB)

akta.pro secondary industries

HVAC Zoning, Smart Dampers & Ventilation Control (HSAOANAB), Smart Thermostats & HVAC Controls Retail (CRAIAMAC), HVAC Parts & Supplies Retail (Thermostats, Filters, Ducting) (CRAIADAI), Heat Pump & Smart HVAC Controller Integration (HSAOANAD)

Keywords

• Smart HVAC controls
• Wireless thermostats
• Smart vents
• HVAC zoning systems
• Home climate automation

Headquarters

HQ city

Berkeley

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hardware Sales: Primary revenue from selling physical products including Smart Vents, Bridges, Pucks, and accessories. Products sold at various price points with both new and refurbished options available.
2. Professional Services: Revenue from Pro Program where certified HVAC professionals purchase and install Flair products. Includes pro-only products with extended warranties and support.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels7 records

Core offering

Flair designs and sells smart vents, wireless thermostats (Puck 2), and networking gateways (Bridge) for residential heating and cooling, unified by its proprietary hvacOS software platform. The products enable room-by-room zoning for central HVAC systems, smart control of ductless mini splits, and automated coordination of staged heating and boiler/baseboard systems. Sales occur primarily through direct e-commerce and a Pro Program serving HVAC installers.

Product overview

Flair offers a modular smart home HVAC control ecosystem built around the hvacOS™ software platform. The portfolio includes hardware products: the Bridge/Bridge Pro (networking gateways), Puck 2/Puck 2 Pro (wireless thermostats and temperature sensors), Smart Vents (motorized vent registers), Smart Vent Covers, and accessories. The platform integrates with major smart thermostats (ecobee, Honeywell Home, Nest, Sensi, Carrier, Bryant, Daikin, Goodman, Amana) and voice assistants (Amazon Alexa, Google Assistant). Solutions include Smart Vent Zoning for central HVAC, Ductless Controls for mini splits, Staged Heating for coordinated multi-stage systems, and Smart Heating for boilers and electric baseboards. The Pro Program provides professional installers exclusive access to advanced products and tools.

Differentiator

Problem solved

Functional benefit

Products and services

• hvacOS Proprietary software platform that transforms how users manage home heating and cooling, ensuring optimal comfort, energy efficiency, and intelligent control automation for ducted, ductless, and hybrid HVAC systems through a single app interface.
• Bridge Plug-and-play networking gateway for Flair systems that serves as the central networking device for Smart Vents, enabling fully wireless connectivity for all Pucks and Smart Vents via Ethernet or Wi-Fi. Priced at $99 per Bridge.
• Bridge Pro Professional-grade networking gateway that manages the second stage of Staged Heating systems, ensuring seamless activation of secondary heating sources like boilers and electric baseboards; supports up to seven switched heating zones per controller.
• Puck 2 Wireless smart thermostat and temperature sensor that controls Flair Smart Vents or mini splits, featuring a 3X larger e-paper display, haptic scroll wheel, RoomSense technology, and Fleet Administration for hospitality properties. Priced at $124 per Puck 2.
• Puck 2 Pro Professional-grade first-stage controller for Staged Heating systems designed exclusively for certified HVAC professionals, providing accurate real-time temperature control for ductless heat pumps and mini splits with universal compatibility across 200+ brands.
• Flair Smart Vent Intelligent motorized vent registers that replace standard floor, ceiling, or wall vents; they open and close to regulate airflow, eliminate hot and cold spots, and work with central HVAC systems to save up to 30% on energy usage. Priced at $129 per vent; available in sizes from 4x10 to 12x12, with refurbished options.
• Smart Vent Cover 2-Way decorative grills designed for Flair Smart Vents, sold separately; available in 3 sizes (4x10, 4x12, 4x14) and 3 colors (Cast Iron Black, Espresso, Caramel). Priced at $29 per cover.
• Filtrete MPR 1500 Air Filter MERV 12 air filters for home furnaces, central air conditioners, or HVAC systems that attract and capture microscopic particles like allergens, bacteria, and viruses; available in multiple sizes. Priced at $19 per filter.
• Static Pressure Kit Professional accessory for measuring static pressure in HVAC systems; Pro-only product used by certified HVAC installers.

Quantifiable outcome

• Save up to 30% on heating and cooling bills
• +2 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration14 records

Feature6 records

Partnerships

Three partnerships are on record, tiered core.

• ecobeecoreTechnology or IntegrationOfficial integration partner. Flair works with all ecobee thermostat and SmartSensor models. ecobee SmartSensors detect motion and Flair adjusts airflow accordingly. Customers don't need separate Flair Pucks when using ecobee sensors.
• Honeywell HomecoreTechnology or IntegrationOfficial integration partner. Flair is compatible with Honeywell Home Wi-Fi thermostats including X-Series, ElitePRO, T-Series, Lyric, and VisionPRO models. Also supports Honeywell Home Smart Room Sensors.
• Google NestcoreTechnology or IntegrationOfficial integration partner. Flair Pucks and Smart Vents work with all Google Nest thermostat models. Integrates with Nest for unified home climate control.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Keen Home: Keen Home makes Smart Vents, the closest direct competitor to Flair's smart vent product. Both target room-level airflow control and integrate with smart thermostats, serving the same homeowner and pro channels.
• Sensibo: Sensibo makes smart controllers for ductless mini splits, window ACs, and heat pumps — directly overlapping Flair's ductless controls use case for homeowners with mini-split systems.
• Cielo WiGle: Cielo WiGle produces smart mini-split and AC controllers with scheduling and smart-home integration, competing with Flair Puck in the ductless controls category.
• Mysa: Mysa makes smart thermostats for high-voltage electric baseboard and in-floor heating — directly competing with Flair's Smart Heating (Boilers & Electric Baseboards) Pro solution.

Broad incumbents

• ecobee: ecobee is a leading smart thermostat brand owned by Generac; Flair integrates with all ecobee thermostats and SmartSensors and competes for the same homeowner climate-control wallet.
• Google Nest: Nest is the dominant smart thermostat platform and an official Flair integration partner; both compete for the connected HVAC control position in the home, with Nest having vastly larger distribution.
• Honeywell Home (Resideo): Honeywell Home / Resideo offers a broad portfolio of smart thermostats (T-Series, X-Series, Lyric) that Flair integrates with and competes against for whole-home HVAC control.
• Sensi (by Emerson): Sensi is a smart thermostat line from Emerson with which Flair integrates; both compete for the homeowner HVAC control slot, with Sensi leveraging Emerson's HVAC distribution.
• Carrier: Carrier Infinity thermostats are an official Flair integration partner; Carrier is also a global HVAC OEM and could extend its own controls ecosystem to compete with Flair's whole-home platform.
• Daikin: Daikin's Daikin One family of thermostats is an official Flair integration partner; as a global HVAC OEM (especially in mini splits), Daikin represents both a partner and a potential competitor in smart HVAC controls.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/flair
• YouTubeyoutube.com/@FlairSystems
• Facebookfacebook.com/flair.co
• LinkedInlinkedin.com/company/3784910
• Instagraminstagram.com/flair

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds14 records

Investors20 records

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 Flair