Full-Time

Senior System Designer

Heat Pumps, Residential

Zero Homes

Zero Homes

11-50 employees

Plans and installs zero-emission home systems

Compensation Overview

$85k - $125k/yr

Denver, CO, USA

In Person

Category
Mechanical Engineering (1)
Required Skills
Python
Requirements
  • Five plus years of system design experience and/or relevant deep technical experience, including load calculations, equipment selection, and/or energy modeling.
  • Deep understanding of residential buildings including Building Science, residential mechanical, electrical, and plumbing (MEP), heat pump technology, and heat pump products.
  • Fluency in data-driven tooling and software, such as spreadsheets, Python, etc.
  • Excellent communication and collaboration skills.
  • Bachelor's degree in Engineering or a related field is preferred but not required.
Responsibilities
  • Complete Manual J/S calculations with HVAC design software.
  • Scope electrical requirements and upgrades to National Electrical Code 220.83 standards.
  • Specify water heater and battery upgrades.
  • Scope weatherization projects.
  • Collaborate with home comfort advisors, sales teams, and installation managers to ensure designs meet customer specifications, building codes, and energy efficiency standards.
  • Support the development of design documents, plans, specifications, and quotes to ensure high-quality solutions are delivered by the Field Operations team.
  • Establish quality control processes to ensure all designs and heat pump solutions delivered to customers meet Zero Homes’ standards.
Desired Qualifications
  • BPI Analyst/Professional preferred.
  • HVAC sales experience or home energy assessment experience preferred.
  • Ability to speak Spanish or other languages to support customers or partners whose native language is not English.

ZeroHomes.io helps homeowners convert houses into zero-emission, eco-friendly homes by planning, designing, and installing energy-efficient systems like heat pumps, solar panels, induction cooking, electrical upgrades, and EV chargers. The app lets homeowners scan their home, upload utility usage, and receive tailored quotes; ZeroHomes.io handles marketing, sales, and administration while vetted contractors perform installations. It differentiates itself with a turnkey service from planning to installation, centralized contractor support, a user-friendly app that generates customized quotes, and contractor vetting. The goal is to reduce residential carbon footprints by delivering practical, scalable zero-emission energy upgrades.

Company Size

11-50

Company Stage

Series A

Total Funding

$19.8M

Headquarters

Denver, Colorado

Founded

2021

Simplify Jobs

Simplify's Take

What believers are saying

  • $16.8M Series A from Prelude Ventures funds 2026 market expansion.
  • Colorado grant accelerates heat pump adoption and national technology growth.
  • DOE-validated methodologies enable high-fidelity electrification upgrades remotely.

What critics are saying

  • Sunrun undercuts pricing with bundled solar-heat pump offerings in Colorado-California.
  • HB25-1047 mandates rebates via state platforms, blocking 30% Denver revenue.
  • Nest Labs integrates heat pump designs into Google Home app for 50M users.

What makes Zero Homes unique

  • Zero Homes uses smartphone scans for digital twin creation with ACCA-certified designs.
  • End-to-end platform handles rebates, financing, and contractor matching seamlessly.
  • Founded by MIT/NASA engineer Grant Gunnison in 2022 for precise remote modeling.

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Your Connections

People at Zero Homes who can refer or advise you

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Unlimited Paid Time Off

Paid Sick Leave

Flexible Work Hours

Home Office Stipend

Relocation Assistance

Company Equity

Growth & Insights and Company News

Headcount

6 month growth

-7%

1 year growth

-7%

2 year growth

14%
DUO Digital
Apr 8th, 2026
The brick #005: too many leads? Your bottleneck might be capacity.

The brick #005: too many leads? Your bottleneck might be capacity. Most operators assume their biggest growth problem is lead flow - and at first, more traffic, calls, and booked estimates would seem to solve the problem. But not quite. In home services, the real constraint usually shows up somewhere else: capacity. If your team or schedule can't absorb demand, more leads just create backlog and missed calls - or worse, stressed crews. This week, Goduo is looking at why capacity, not lead flow, is the real bottleneck, and how smart operators fix it before they turn the marketing dial up. Industry spotlight: Zero Homes raises $16.8M to modernize home upgrades. Denver-based Zero Homes recently raised $16.8 million in Series A funding to expand its digital platform that helps homeowners plan and execute major home upgrades like heat pumps, solar installations, and energy-efficient appliances. The company's approach is to streamline the messy process of planning home improvements by letting homeowners scan their house with a smartphone to generate a digital model. The system then produces upgrade plans, estimates, and connects homeowners with vetted local contractors to complete the work. Why this matters to home service operators: * Demand for upgrades and repairs isn't the problem. Coordination is. * Platforms like Zero Homes exist because homeowners want faster timelines, clearer pricing, and predictable scheduling - things that many contractors struggle to deliver consistently. * Investors backing tools like this are betting on a simple idea: the bottleneck in home services isn't interest from homeowners - it's the industry's ability to deliver work efficiently once that demand shows up. Capacity is the real bottleneck, not lead flow. Every operator loves a steady stream of leads - until the phones are ringing off the hook, trucks are backed up, and your team starts looking like extras in a disaster movie. More demand doesn't automatically mean more revenue. If your crew can't actually handle the jobs, all those leads are just chaos dressed up in opportunity. The smart operators know it's about building systems and people that can absorb growth without melting down. Scheduling software and repeatable workflows - even simple checklists - aren't glamorous, but they're the difference between a business that can scale and one that just burns out fast. This isn't a theory, either. Contractors who automate dispatch, streamline customer updates, and make the most of their crew capacity can take the same size team from three jobs a week to seven - without hiring extra hands. Scale without growing your payroll, because the real bottleneck is whether your business has the bandwidth to actually fulfill them. Think of it this way: more leads are useless if your team is flat-out busy, stressed, or missing jobs. Fix the backbone first - people, systems, and structure - and the leads will finally start paying off instead of giving you headaches. Takeaway: Growth stalls because the business isn't structured to absorb the work. The operators who scale past that ceiling focus on expanding capacity first, then increasing demand. Insights from X. Operator takeaway: Many home service businesses stall because they're still running on the same playbook that worked when the owner was doing everything themselves. The operators who break out treat the company less like a trade shop and more like a modern business - building systems, investing in people, and borrowing ideas from industries that already figured out how to scale. Operator takeaway: These businesses sit on recurring demand, fragmented ownership, and plenty of room for operational upgrades. They're perfect for operators who know how to tighten systems, modernize marketing, and run a cleaner business than the shop down the street. Operator takeaway: Market slowdowns don't hit every sector the same way. When construction cools off, trade capacity frees up - better hiring conditions, easier partnerships, and a chance to capture market share while competitors pull back. If your leads are piling up while your team's juggling everything, it's time to fix operations before turning up the dial. Book a strategy call and let's build the capacity to match your demand. Every Tuesday, what matters, what changed, and what to ignore. In 5 minutes - free.

ACHR News
Feb 19th, 2026
Zero Homes Raises $16.8M to Digitize Home Upgrades for Homeowners and Contractors

Zero Homes raises $16.8M to digitize home upgrades for homeowners and contractors. February 19, 2026 Zero Homes announces $16.8 million in Series A funding led by Prelude Ventures with participation from SJF Ventures, Exelon Foundation, and existing investors VoLo Earth Ventures, Overture VC, and FJ Labs. The fundraise supports the expansion of Zero's digital-first approach into new markets, the enablement of broader product offerings, and the continued growth of its contractor network. Zero Homes started by developing a digital-first home assessment and quoting approach with a focus on high-quality analysis that's available anywhere. The company has spent the last two years building the first end-to-end platform for home upgrades that combines remote data collection with a suite of design tools enabling high-quality design, transparent pricing, and trusted installation from a local contractor. With a smartphone, homeowners can create a complete digital twin of their home through a video scan, photos, and utility data, which is transformed into accurate, customized designs backed by ACCA-certified and DOE-validated methodologies. Homeowners then choose between different upgrades, configure incentives and financing options, and pick an install date, all with a single touchpoint. Looking for a reprint of this article? From high-res PDFs to custom plaques, order your copy today! SPONSORED BY Hi there. I'm Ask ACHR NEWS. You can ask me anything about HVACR trends, news, and insights. Go ahead, type something below, and let's get started! JOIN TODAY To unlock your recommendations. Already have an account? Sign In

Benzinga
Feb 17th, 2026
Zero Homes raises $16.8M to digitise home upgrades with digital twin technology

Zero Homes has raised $16.8 million in Series A funding led by Prelude Ventures, with participation from SJF Ventures, Watsco Ventures and existing investors. The Denver-based startup has built an end-to-end digital platform for home upgrades that connects homeowners with local contractors. Founded in 2022 by Grant Gunnison, a former MIT and NASA engineer, Zero Homes allows homeowners to create a digital twin of their property using smartphone video scans and photos. The platform generates customised designs using ACCA-certified methodologies, enabling transparent pricing and streamlined installation scheduling. The funding will support market expansion, broader product offerings and growth of Zero's contractor network. The company currently operates in Colorado, Massachusetts, Minnesota, Illinois and California, with plans to expand further in 2026.

PR Newswire
Jan 2nd, 2026
Zero Homes wins Colorado grant to accelerate heat pump adoption

Zero Homes, a Colorado-based home electrification marketplace, has received a grant from the Colorado Office of Economic Development and International Trade through its Advanced Industries Accelerator Programme. The competitive programme supports early-stage companies driving innovation in advanced industries. The funding will support Zero Homes' mission to transition single-family homes to all-electric systems, aiming to reduce carbon emissions, lower energy costs and improve indoor air quality. The company's digital platform uses remote modelling and design tools to streamline heat pump, electric water heating and whole-home system upgrades. Founded by CEO Grant Gunnison, Zero Homes plans to use the grant to expand its technology and reach more communities across Colorado and nationally. The Advanced Industries Accelerator Programme awards funding to companies whose innovations demonstrate strong commercial potential and economic impact.