This $1.49 million home in East Quogue is a green giant on the East End.

The three-bedroom, 3 1⁄2-bath, 2,500-square-foot home called Fern Grove boasts feng shui-derived design elements and environmentally friendly features.

Owner Gary Jackquemin, a LEED-certified architect through the Green Building Council, says he began planning the home about 15 years ago and decided to incorporate as many green, sustainable features as he could.

“I felt that I should practice what I’ve been trying to get my clients to do,” he says.

The home was built in place of a turn-of-the-century scallop shack that existed previously on the site. Jackquemin says the new home only slightly expands the footprint of the old shack. An adjacent 1954 developer’s spec house was renovated and made into a 600-square-foot attached guest residence, which has a separate entrance. The property is more than three quarters of an acre.

Built in the post-and-frame style, the timber frame is formed of selective-cut, old-growth Douglas fir timbers, sustainably harvested in Oregon. Wood-framing members were hand-cut.

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A heat-recovery system, linked to a floor-duct HVAC system, is designed to prevent indoor air stagnation. The home is hydronically heated with a high-efficiency gas boiler — “the heat comes up through the floor,” Jackquemin explains — and a Kynar 50-year “cool roof” finish caps the “highly insulated” building envelope.

The main floor features a central screened-in porch, as well as an open floor plan with a professional kitchen equipped with recycled glass kitchen counters, master bedroom and handicap-accessible bathroom. Upstairs is an art studio and office with a guest bedroom and bathroom. Floor finishes are of sustainable bamboo, recycled cork and ceramic tile.

The home is listed with Mary Terry of Brown Harris Stevens.