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Talk to the shop(720) 555-0185Book an energy audit

Boulder County, seven days a week for emergencies. Demo site with sample content.

(720) 555-0185Book an audit

What we install

One crew for the envelope, the mechanicals and the array, so the numbers actually add up.

See all eight solutions
Rooftop solar6 to 12 kW DC arrays sized from your last 12 months of kWh.Home battery storage13.5 kWh usable, 5 kW continuous, wired to a protected loads panel.Whole-home energy auditBlower door, thermal scan and a Manual J load, in one visit.Heat pumpsCold-climate units rated at 5 degrees F, not at 47.EV charger installLevel 2 at 48 A continuous, with a real panel load calculation.

Work out your own numbers

Every tool here runs in your browser on figures you can change. Nothing is emailed to us.

Open the full index
Shading and inverter choiceWatch one shaded module drag a whole string, then switch topology.Tilt and orientation yieldAzimuth by pitch, as a percentage of the Boulder optimum.Time-of-use and batteriesShift kWh out of the 3 to 7 pm peak and price the difference.EV charger load checkNEC 220.83 load calc and the 120 percent busbar rule.Savings calculatorBill to array size to first-year production, step by step.

The people doing the work

Eleven people, one warehouse on Pearl Parkway, and a service radius we can drive in under an hour.

Meet the crew
About GreenLeafWhy we stopped selling panels on their own in 2019.ProjectsSix homes, with the measured kWh a year after commissioning.Reviews4.8 from 236 reviews across Google and EnergySage (sample).Field notesWhat we learned on roofs in Boulder, Longmont and Niwot.CareersThree open roles, pay ranges published (sample).

Sample figures for this demo site

Twelve reviews in full, including the four star one

Anybody can publish their five star reviews. The interesting one here is the customer we told not to buy the thing they were asking for, who bought it anyway with their eyes open and marked us down half a star for the lecture.

A homeowner at their front doorSouthmoor Park, Longmont

The summary

4.8

from 236 reviews across Google and EnergySage (sample)

  • 5 star84%
  • 4 star13%
  • 3 star2%
  • 2 star1%
  • 1 star0%

They cut our proposed array almost in half and spent the difference on the attic. The bills prove they were right.

Dana OchoaMartin Acres, Boulder · Audit and rooftop solar
Dana Ochoa

In their own words

Eleven more

  • The only company that measured the well pump instead of guessing. That measurement saved us a battery module.

    Priya Raghunathan

    Gunbarrel · Battery and backup

  • A real room-by-room load calculation came out a full ton under everyone else's estimate. The house is comfortable and the bill is small.

    Marcus Delacroix

    North End, Louisville · Heat pump and solar

  • Two cottonwoods we were not cutting down. They modelled three inverter options and showed us the numbers for each.

    Rosalind Achebe

    Whittier, Boulder · Rooftop solar

  • They argued against their own quote on payback grounds. We bought it for resilience anyway and have no regrets.

    Hollis Yamamoto

    Southmoor Park, Longmont · Battery storage

  • Roof and array in one week, one contractor, one phone number. After the fire that mattered more than the price.

    Teodora Vasquez

    Original Town, Superior · Reroof and solar

  • 12.1 to 4.9 air changes, written on the invoice. The upstairs is usable in August for the first time in twenty years.

    Gideon Braithwaite

    Table Mesa, Boulder · Insulation and air sealing

  • They ran the load calculation before quoting, found we had headroom, and did not try to sell us a service upgrade.

    Amara Osei

    Indian Peaks, Lafayette · EV charger

  • Production has been within three percent of the model every month for two years. The monthly variance email is oddly satisfying.

    Emiliano Duarte

    Prospect, Longmont · Rooftop solar

  • Report was blunt about what was and was not worth doing. We did the first three items and skipped the rest without any pressure.

    Saoirse Kavanagh

    Newlands, Boulder · Energy audit

  • The wind spec conversation was reassuring. Two seasons of Superior gusts and nothing has moved.

    Nathan Oyelaran

    Rock Creek, Superior · Solar and storage

  • They quoted capacity at five degrees rather than forty-seven, which is the number that actually matters here in January.

    Wen Li Chang

    Heatherwood, Gunbarrel · Heat pump

Reviews shown are sample content for this demonstration website and do not represent real customers of a real business.

Start with the test, not the quote

Three to four hours on site, a written report in five business days, and a recommendation that might well be to spend less than you planned.

Book an energy audit(720) 555-0185

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