Design Plans for 18' × 20' Heated Solar Greenhouse in Bedford, New Hampshire

A project is underway to construct a year-round heated solar greenhouse in Bedford, New Hampshire. The greenhouse will be 18' × 20', designed for cold climate performance, and requires a designer to prepare conceptual and permit-level plans. Key features include a frost-protected foundation, insulated slab floor, mini-split heat pump, passive solar roof design, and the use of salvaged materials. The project timeline is 2-4 weeks, and the budget is open to proposals.

Published Mar 26, 2026

A year-round heated solar greenhouse is to be constructed in Bedford, New Hampshire, measuring 18' × 20'. The project seeks an experienced designer to prepare conceptual and permit-level plans focusing on cold climate performance.

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The greenhouse will feature a frost-protected foundation, insulated slab floor, and will be heated by a mini-split heat pump. The design includes a passive solar roof with polycarbonate glazing and salvaged doors and windows.

The designer will also provide framing plans, wall sections, elevations, and 3D concept views. The budget is open to proposals, and completion is expected within 2-4 weeks.