15 lightyears

15 lightyears We provide builders and owners clean energy solutions, as well as test, verify, and certify new construction projects.

B Corp Certified Company

Licensed Electrical Contractor: EC13005057 | RESNET Energy Rater | Generac & TESLA Authorized Dealer Our Foundation provides workshops and builds outdoor classrooms for Pre-K to 5th grade kids.

Today, we honor and remember the brave men and women who made the ultimate sacrifice for our freedom.Their courage and s...
05/25/2026

Today, we honor and remember the brave men and women who made the ultimate sacrifice for our freedom.

Their courage and service will never be forgotten. 🇺🇸

Energy loss isn’t always visible, but it’s measurable.That’s where we come in.At , we go beyond surface level checks, us...
05/21/2026

Energy loss isn’t always visible, but it’s measurable.
That’s where we come in.

At , we go beyond surface level checks, using industry-aligned testing and in-house expertise to uncover inefficiencies and improve long-term building performance.

Get the data. Improve the performance.

Understanding Safe Harbor now can protect your project later.From key deadlines to qualification requirements, knowing w...
05/18/2026

Understanding Safe Harbor now can protect your project later.
From key deadlines to qualification requirements, knowing what to do and when to act makes all the difference.

👉 Read the full breakdown: 15lightyears.com/safe-harbor-solar-deadlines-2026

Our team can help you navigate Safe Harbor requirements and next steps. Reach out to get started.

❤️ Let’s Walk for a Cause That MattersFundraising for the Greater Orlando Heart Walk officially kicks off this week!We’r...
05/13/2026

❤️ Let’s Walk for a Cause That Matters

Fundraising for the Greater Orlando Heart Walk officially kicks off this week!
We’re proud to be part of a movement that’s saving lives, raising awareness, and supporting heart health in our community. 💓

Whether you’re able to give, walk, or share, every action makes a difference.
👉 Join our team and walk with us this November
👉 Support our fundraising efforts
đź”— Donate or sign up here:
www2.heart.org/site/TR?company_id=556859&pg=company&fr_id=13206

Let’s come together, step by step, to fight heart disease and stroke.

Solar is no longer optional. It’s a strategic move for long-term performance.We help commercial clients reduce operation...
04/22/2026

Solar is no longer optional. It’s a strategic move for long-term performance.

We help commercial clients reduce operational costs and align with sustainability goals through systems designed to deliver real, measurable results.
From municipalities to multifamily and retail, we build solar solutions that work today, and scale for tomorrow.

Ready to future-proof your property? Let’s talk.

The details you don’t see are what make the biggest impact. From field data collection to backend analysis, every step e...
04/14/2026

The details you don’t see are what make the biggest impact. From field data collection to backend analysis, every step ensures your building is performing at its best.

Want to see how your building stacks up? Let’s test it.

Air leakage is one of the biggest hidden sources of energy loss in buildings.Blower door and duct leakage testing help i...
04/14/2026

Air leakage is one of the biggest hidden sources of energy loss in buildings.

Blower door and duct leakage testing help identify exactly where that loss is happening, so you can improve efficiency, reduce operating costs, and ensure your building performs as designed.
Ready to tighten up your building performance? Let’s test and optimize.

“Solar only works for residential homes.” — FALSE.Solar is already powering commercial buildings, warehouses, schools, a...
03/26/2026

“Solar only works for residential homes.” — FALSE.

Solar is already powering commercial buildings, warehouses, schools, and municipal facilities across the country. Yet many organizations still assume it’s too expensive, too complicated, or too difficult to maintain.

In reality, many of the barriers people associate with solar have evolved. Financing options, tax incentives, and power purchase agreements can significantly reduce upfront costs. Modern systems are designed to integrate with existing buildings and operations, making implementation far less complex than many expect.

Solar systems are also highly durable and require relatively minimal maintenance. And because systems can be scaled to match energy demand, they work for a wide range of facilities, from smaller buildings to large campuses.

Solar isn’t just for homes, it’s a practical solution for organizations looking to reduce long-term energy costs and increase energy reliability.

Comfort issues and high utility bills are two of the most common reasons homeowners call builders after move-in. And in ...
03/21/2026

Comfort issues and high utility bills are two of the most common reasons homeowners call builders after move-in. And in many cases, hidden duct leakage is the culprit.

Even when everything looks perfect at closing, leaky ducts can lead to uneven temperatures, higher energy costs, and frustrated homeowners—creating callbacks that impact both time and reputation.

Duct leakage testing gives builders the data to verify HVAC performance before the keys are handed over. By confirming your HVAC subs are meeting targets, you can deliver homes that perform as well as they were designed to.

Fewer surprises. Fewer callbacks. Better-performing homes.

For years, solar has been framed as an “upgrade.”But the reality is, it’s becoming core infrastructure for modern commer...
03/19/2026

For years, solar has been framed as an “upgrade.”

But the reality is, it’s becoming core infrastructure for modern commercial buildings and developments.

Just like HVAC systems, structural systems, and efficient building envelopes, solar now plays a direct role in how buildings perform over time. It helps stabilize long-term energy costs, supports grid resilience, and aligns with the direction energy policy and sustainability goals are moving.

For commercial property owners, municipalities, and developers, energy strategy is no longer just about utility bills. It’s about operational efficiency, long-term asset value, and future-proofing buildings against rising energy costs.

Energy-producing buildings are becoming a strategic advantage—reducing operating expenses while improving overall building performance.

The future of development isn’t just about constructing buildings. It’s about building infrastructure that works smarter from day one.

Address

1404 N Ronald Reagan Boulevard
Longwood, FL
32750

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

Telephone

+18554381515

Website

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