A blue suburban house with warm interior lights at dusk
Work/Maple Grove Residence

Residential · Custom home

Maple Grove Residence

Boulder, Colorado

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LocationBoulder, Colorado
Size3,400 sq ft
Scope620 sq ft addition + 18 kW PV
Completed2024
Design teamHearthline Design

The project

A ranch house, brought into the light.

The house had good bones, low ceilings, and a dark south wall. The family wanted a kitchen that opened to the garden, a brighter entry, and a utility bill that stopped climbing. They stayed in the house through construction.

We added a 620 sq ft glazed kitchen and entry, replaced eight failing windows, and installed an 18 kW solar roof with a 26 kWh battery. The project was sequenced around the family’s routine and finished in nine weeks.

“The kitchen is the room we live in now. The solar bill in August was $11. We should have done this years ago.”

The original ranch had a low, closed south wall and a roof structure that could not carry a conventional solar array without reinforcement. The family wanted more daylight and a direct connection to the garden, but did not want to move out.

The budget was fixed. The scope had to be prioritized: glazing and solar first, cosmetic work second. We phased the work so the kitchen stayed usable except for four days.

Scope

620 sq ft addition + 18 kW PV

Completed

2024

A glazed addition with a real roof

The new kitchen sits under a shallow-pitch roof that matches the existing house. Structural glass corners open the view without a visible frame.

Windows that pay for themselves

Eight original windows were replaced with triple-glazed units. The heating load dropped 42%, and the rooms hold their temperature through the evening.

Solar sized to the roof, not the showroom

An 18 kW array covers the new roof plane and the garage. A 26 kWh battery keeps the house running through the evening peak and short outages.

Nine weeks, one family

A temporary kitchen, dust walls, and a weekly schedule kept the family at home. The final inspection passed on the first walk-through.

03 / The work

Details from the build.

Click any image to open the gallery. Photography is representative of the project type.

81%Annual energy offset
42%Heating load reduction
9 weeksConstruction schedule
“The kitchen is the room we live in now. The solar bill in August was $11. We should have done this years ago.”

Homeowner · Boulder, Colorado

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Representative case study. Names, project figures, and performance values are illustrative and may be updated as verified project records become available. Photography is used for illustration. Published planning rates are indicative and subject to site survey, drawing review, and a signed agreement.