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Radar · Energy Efficiency Tech in Washington

Best Energy Efficiency Tech Companies in Washington, United States

The 45 best Energy Efficiency Tech companies in Washington, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Porch Group.

45companies tracked
$912.3Mdisclosed funding
0unicorns
15have raised
FLIAR INTELLIGENCE · ENERGY EFFICIENCY TECH × WASHINGTON

Our analysis of 50 Energy Efficiency Tech companies

$7.8b in tracked funding; 86% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.

50companies analysed
86%cloud-native stacks
2025funding peak (by rounds)
4unicorns
2014median founding year
51kcombined LinkedIn audience
67%of audience held by top 3
2companies hiring publicly (12 mo)

Ranked: Best Energy Efficiency Tech companies in Washington

#CompanyDisclosed fundingLast roundStageFounderFoundedTech stackPatents & IP focusRecent signals
1Porch Group
Provides software & service to home improvement industries
$718M40 mo agoPublicMatt Ehrlichman
Founder
2013Cart FunctionalitySquarespace CommerceSquarespace+13——
2Deako
Manufacturer of modular smart lighting systems and related accessories
$61M25 mo agoSeries B—2015Cart FunctionalityWordPressMySQL+473 patents
Smart building energy management with networked occupancy prediction and load control
1 launch
3Optimum Energy
SaaS-driven HVAC optimization software for commercial spaces
$41M117 mo agoAcquiredLarry Stapleton
CEO & President
2005WordPressApple iCloud MailMicrosoft 365+2875 patents
Energy-efficient HVAC control, predictive free cooling, and building-grid integration systems.
5 job openings
4Inspectify
Provider of SaaS-driven inspection management services for professionals and homeowners
$33M22 mo agoSeries BJosh Jensen
Co-Founder & CEO
2019Cart FunctionalityRubyTrix+33—1 launch
5Powerit Solutions
Demand response solutions
$26M147 mo agoAcquiredKevin Klustner
CEO & Board Director
2006—4 patents
Smart grid demand response and automated peak load control with mobile charging integration.
—
6Allumia
IoT and AI-driven energy management solutions
$10M53 mo agoSeries AQuintin Barnes
Co-Founder & VP
2013——1 partnership
7Optio3
IoT based web platform to monitor energy consumption in commercial buildings
$6M75 mo agoAcqui-Hired—2016———
8FlexCharging
Provider of electric vehicle charging solutions
$6M46 mo agoSeries ABrian Grunkemeyer
Founder & CEO
2017—18 patents
Real-time EV charging control and demand‑response scheduling for smart grid integration.
—
9Lagotek
Wireless Home Automation
$5M199 mo agoDeadpooledEugene Luskin
Founder & CEO2
2005—10 patents
Wireless distributed electrical automation and networking for residential and commercial power systems
—
10Buildpulse
SaaS-driven analytics solutions for buildings
$3M99 mo agoAcqui-Hired—2013—8 patents
Automated sensor discovery, classification, and airflow control for building HVAC automation systems.
—
11Optimum Energy
Online platform offering HVAC management solutions
$1M190 mo agoSeed—2006—75 patents
Patents concentrated in mechanical & energy engineering
—
12Ario
Healthy lighting solutions mimicking natural light for better health and well-being
$1M118 mo agoSeries A—2015———
13Cielo WiGle
Smart climate control solutions for mini-split and central HVAC systems
$750K111 mo agoAcquired—2014WordPressMySQLPHP+2320 patents
Smart HVAC thermostat control and automated wiring detection for ductless and conventional systems
—
14Octant Innovations
Provider of HVAC automation systems
$315K128 mo agoSeedRobb Andrade
Co-Founder & Managing Partner
2013———
15LumiSands
Develop silicon nano-materials to replace REE phosphors in LEDs
$180K163 mo agoDeadpooledChang Ching Tu
Founder & CEO
2013———

Top 12 Energy Efficiency Tech companies in Washington

#1
Series B · Seattle, Washington · founded 2019 · 34 employees
$32.8Mraised
▾

Provider of SaaS-driven inspection management services for professionals and homeowners. Solutions are provided for inspectors, real estate professionals, and home buyers. Users can book home inspections by providing the address or the location of the house.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 11k LinkedIn followers — 21.8% of this cohort's audience
Activity: 1 product launches announced in 12 mo
Funding rounds
  • Sep 2024Series B$15.5M
  • Jul 2023Series A$5.8M
  • Nov 2021Series A$11.4M
  • Aug 2020Seed$150K
Founders & team
Josh JensenCo-Founder & CEO
Investors
Fundrise, Nine Four Ventures, Foundation Capital, Munich Re, Socially Financed, DivcoWest
Tech stack
Amazon CloudfrontAmazon S3Amazon Web ServicesBootstrapCart FunctionalityCdnjs
#2
Series B · Seattle, Washington · founded 2015 · 21 employees
$60.7Mraised
▾

Manufacturer of modular smart lighting systems and related accessories. The company provides smart switches, dimmers, plugs, and simple switches, including motion sensor, nightlight, timer, and ceiling fan controllers. It also offers whole-home solutions, backplates, and faceplates. The company's lighting systems allow users to personalize lighting based on lifestyle.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 4k LinkedIn followers — 8.2% of this cohort's audience
Activity: 1 product launches announced in 12 mo
Funding rounds
  • Jun 2024Series B$3.4M
  • Oct 2022Series B$13.4M
  • Mar 2021Series B$12.5M
  • May 2020Series B$751.1K
Investors
Kinetic Ventures, Tandem Capital, Y Combinator, Partech Partners, Tekton Ventures, Constellar Ventures
Tech stack
Amazon CloudfrontAmazon S3Amazon Web ServicesApple Icloud MailAtlassian StatuspageBlotout Edgetag
#3
Public · Seattle, Washington · founded 2013 · 1800 employees
$718.3Mraised
▾

Provides software & service to home improvement industries. It provides an inspection support network, home inspection software, an online marketplace to book professional movers to pack, load, and haul their goods, roofing software, concierge service & more.

Funding rounds
  • Apr 2023Post IPO$333.3M
  • Sep 2021Post IPO$385M
Founders & team
Matt EhrlichmanFounder
Tech stack
Amazon Web ServicesAngularCart FunctionalityCore-JsGoogle Font ApiHsts
#4
Series A · Seattle, Washington · founded 2013 · 37 employees
$10Mraised
▾

IoT and AI-driven energy management solutions. Services offered include project funding, design, installation, and maintenance on a pay-as-you-save basis where a part of the savings incurred is to be given as a payment for the system installation and management. Services offered are inclusive of preliminary audits and post-installation metering to measure the savings incurred in real time, which is achieved via the installation of revenue-grade electric meters.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 2k LinkedIn followers — 3.3% of this cohort's audience
Hiring: 1 hiring post in 12 mo (public) · hiring: experienced professional
Activity: 1 partnerships (incl. Duquesne Light Company) announced in 12 mo
Funding rounds
  • Mar 2022Conventional Debt$40M
  • Feb 2022Series A$7.5M
  • Dec 2019Series A$2.4M
  • Feb 2019Grant (prize money)$450K
Founders & team
Quintin BarnesCo-Founder & VPRonny BellCo-Founder
Investors
JW Asset Management, American Electric Power, Uscity, Mitsubishi HC Capital, National Science Foundation, Capital Innovators
Tech stack
Google Font ApiCloudflareOpen Graph
#5
Series A · Redmond, Washington · founded 2017 · 15 employees
$6Mraised
▾

Provider of electric vehicle charging solutions. It provides telematics data and managed charging platform which is ready to help users to manage EVs to save money and reduce carbon emissions.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 3k LinkedIn followers — 5.0% of this cohort's audience
Funding rounds
  • Sep 2022Series A$5.9M
  • Mar 2022Seed$50K
Founders & team
Brian GrunkemeyerFounder & CEO
Investors
Accurant International, VertueLab
#6
Acquired · Seattle, Washington · founded 2005 · 47 employees
$40.9Mraised
▾

SaaS-driven HVAC optimization software for commercial spaces. It provides data-driven cooling and heating optimization solutions for enterprise facilities. It provides three products which are, OptiCx a platform for predictive free cooling, LOOP a system-level optimization of centrifugal chilled water plants, OptiCx for chiller diagnostics.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 6k LinkedIn followers — 12.5% of this cohort's audience
Hiring: 5 hiring posts in 12 mo (public) · momentum +5 · hiring: Project Development Engineer, Industrial Construction Site Manager
Funding rounds
  • Nov 2016Series C$3M
  • Aug 2015Series C$10.2M
  • Aug 2014Series B$385.4K
  • Aug 2013Series B—
Founders & team
Larry StapletonCEO & President
Investors
Edison Energy, Columbia Pacific Advisors, Navitas Capital, Johnson Controls, Columbia Pacific Management
Tech stack
AdrollAdroll Cmp SystemApple Icloud MailCloudflareCloudflare Bot ManagementCore-Js
#7
Acquired · Seattle, Washington · founded 2006 · 22 employees
$26.2Mraised
▾

Powerit solutions provides web interface platform to connect Utility, Distributions with customer for demand management. Their products include Spara DM ,that makes adjustment for demand reduction in connected loads, Spara Hub which send the data into cloud which can be accessed at remote location, Spara Demand Diagnostics, an analytical tool that allows its partners and customers to determine potential demand management savings.

Funding rounds
  • May 2014Series C$1M
  • Jul 2013Series C$7.1M
  • Mar 2011Series B$5M
  • May 2009Series B$6M
Founders & team
Kevin KlustnerCEO & Board Director
Investors
Expansion Capital Partners, Stellar Holdings, Ventures, ArcelorMittal, Next47, Black Coral Capital
#8
Acqui-Hired · Seattle, Washington · founded 2016 · 15 employees
$6.4Mraised
▾

Optio3 helps building managers to monitor and manage connected devices installed in their facilities, including thermostats, light switches and heating and air-conditioning systems. Their IoT based web platform integrates all kind of IoT devices from different manufacturers for intelligent control and monitoring in commercial facilities. Currently, Optio3 is testing its technology in a private beta with colleges, hotels and other buildings in the Greater Seattle and Bay Area. The company hopes to open a wider beta trial in early 2017.

Funding rounds
  • May 2020Series A$570K
  • Jul 2018Series A$3.8M
  • Oct 2016Angel$2M
Investors
McKinstry
#9
Acqui-Hired · Seattle, Washington · founded 2013 · 17 employees
$2.6Mraised
▾

SaaS-driven analytics solutions for buildings. Provides a platform to extract insights out of the data generated by buildings. The company's solutions consist of hardware that is integrated with current automation solutions in a building. The hardware transfer data to the cloud.

Funding rounds
  • May 2018Seed$755.4K
  • Nov 2016Seed$1.8M
  • Aug 2016Seed—
  • Nov 2014Seed$35K
Investors
Alliance of Angels, Seattle Angel Fund, Bellingham Angel Investors, Tappan Hill Ventures, MetaProp NYC, 9Mile Labs
#10
Deadpooled · Bellevue, Washington · founded 2005
$5.1Mraised
▾

Lagotek was a privately held company specializing in home automation that developed home intelligence platform (HIP) technology. It was founded in 2005 by four former Microsoft employees. Lagotek developed patent pending product, a mixture of wireless hardware and software for home automation.

Funding rounds
  • Jan 2010Series A$5.1M
Founders & team
Eugene LuskinFounder & CEO2
Investors
Ecosystem Ventures, RedZone Ventures
#11
Series A · Seattle, Washington · founded 2015 · 3 employees
$1Mraised
▾

Healthy lighting solutions mimicking natural light for better health and well-being. The company focuses on developing and providing advanced lighting technology designed to enhance health and improve daily life. Their core product is an innovative lamp that automatically adjusts its light spectrum to mimic natural sunlight, promoting energy during the day and relaxation in the evening. This technology aims to support the body's natural circadian rhythms, leading to improved sleep, mood, and overall wellness. They are committed to bringing healthy light to the world through research and product development, offering solutions for residential and hospitality environments. The company uses sensors and smart controls to deliver personalized lighting experiences, focusing on energy efficiency and user convenience.

Funding rounds
  • Sep 2016Series A$1M
Investors
Heuristic Capital Partners, Hella Ventures
#12
Acquired · Redmond, Washington · founded 2014 · 67 employees
$750Kraised
▾

Smart climate control solutions for mini-split and central HVAC systems. The company provides innovative and sustainable smart air conditioning solutions, bringing effortless climate control to everyday life. They are revolutionizing home climate control by creating smarter solutions for a better tomorrow. Their team works cohesively to deliver the best in technology, offering exceptional customer support. They provide smart climate control solutions for ducted and ductless HVAC systems, prioritizing energy savings without compromising comfort. Their products are designed to create a mindful and better home climate, offering features like usage monitoring, scheduling, and geofencing. The company focuses on optimizing energy efficiency through intelligent switching between heating systems and coordinated automation for multiple units. They offer a user-friendly app for easy temperature adjustment, energy monitoring, and scheduling, aiming to provide ultimate home climate control with no subscription fees. They are committed to preserving the planet by providing energy-saving solutions, reducing reliance on fossil fuels.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 11k LinkedIn followers — 21.5% of this cohort's audience
Funding rounds
  • May 2017Series A$250K
  • Apr 2016Series A—
  • 2015Seed$500K
Tech stack
Amazon AlbAmazon CloudfrontAmazon S3Amazon SesAmazon Web ServicesAngular

Funding & investor landscape

$912.3Mtotal disclosed funding
15companies funded
54disclosed rounds
0rounds last 90 days
Most active investors
Columbia Pacific Advisors2 rounds
National Science Foundation2 rounds
Y Combinator2 rounds
9Mile Labs1 rounds
ARKA Ventures1 rounds
Accurant International1 rounds
Alliance of Angels1 rounds
Alumni Ventures1 rounds
American Electric Power1 rounds
ArcelorMittal1 rounds

Notable founders

Josh Jensen
Co-Founder & CEO · Inspectify
Matt Ehrlichman
Founder · Porch Group
Quintin Barnes
Co-Founder & VP · Allumia
Ronny Bell
Co-Founder · Allumia
Brian Grunkemeyer
Founder & CEO · FlexCharging
Larry Stapleton
CEO & President · Optimum Energy
Kevin Klustner
CEO & Board Director · Powerit Solutions
Eugene Luskin
Founder & CEO2 · Lagotek
Robb Andrade
Co-Founder & Managing Partner · Octant Innovations
Maury Costantini Jr
Co-Founder & CEO · Octant Innovations
Chang Ching Tu
Founder & CEO · LumiSands
Prism market signals · United States · country-scoped Prism corpus, 1,608,968 docs

Market landscape — 10 sub-themes by coverage

Share of Energy Efficiency Tech coverage by sub-theme.

Regulatory-risk over time rising

Funding & growth over time

funding rising · growth rising

RESEARCH FROM Washington · institutions

What Washington researches in energy efficiency

34 papersstance +0.5635% breakthrough10% concern
breakthrough · advancement · concern
local research themes
Smart Grid Energy ManagementMicrogrid Control and OptimizationOptimal Power Flow DistributionPower System Optimization and StabilityBuilding Energy and Comfort OptimizationRefrigeration and Air Conditioning Technologies
top institutions
  • Washington State University13
  • George Washington University6
  • University of Washington6
  • Washington University in St. Louis4
  • Washington State University Vancouver3

Common questions

How many Energy Efficiency Tech companies are there in Washington, United States?
Radar tracks 45 indexable Energy Efficiency Tech companies headquartered in Washington, United States that meet our profile-completeness bar.
What is the total funding raised by Energy Efficiency Tech companies in Washington, United States?
The Energy Efficiency Tech companies in Washington, United States on this list have raised a combined $912.3M in disclosed equity funding across 15 funded companies.
Which is the highest-funded Energy Efficiency Tech company in Washington, United States?
Porch Group is the highest-funded Energy Efficiency Tech company in Washington, United States, with $718.3M in disclosed equity funding.
How many Energy Efficiency Tech companies in Washington, United States are funded?
15 of the 45 Energy Efficiency Tech companies in Washington, United States on this list have disclosed at least one equity funding round.
How many Energy Efficiency Tech unicorns are there in Washington, United States?
None of the Energy Efficiency Tech companies in Washington, United States on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in Washington, United States Energy Efficiency Tech companies?
The most active investors in Washington, United States Energy Efficiency Tech companies on this list include Columbia Pacific Advisors, National Science Foundation, Y Combinator, 9Mile Labs, ARKA Ventures.
Rohit KhannaTrends & Stories

Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.

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